The genotypes of Mary's parents are :Either one of her parents or both of her parents were heterozygous for the trait.
What is the genotype of Mary's parents?If Mary has two children with rare, recessive blood disorder, this means that both she and her husband are carriers of gene for the disorder.
Since Mary's parents are both normal and have three normal children, they must both be heterozygous carriers of the gene for disorder.
Mary's parents each carry one copy of the normal gene (N) and one copy of the recessive gene for disorder ( n). Their genotypes would be Nn for both parents.
When they had children, each child had 25% chance of inheriting two copies of the recessive gene (nn) and developing disorder, 50% chance of inheriting one copy of recessive gene (Nn) and being carrier like their parents, and 25% chance of inheriting two copies of normal gene (NN) and not having the disorder or being carrier.
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What happens when the recurrent laryngeal nerve is damaged?
Damage of recurrent laryngeal nerve can result in loss of voice, or can cause difficulty in breathing and swallowing, and it can also leads to cause hoarseness .
The recurrent laryngeal nerve (RLN) is a branch of the vague nerve that innervates the muscles of the larynx, including the vocal cords. Damage to the RLN can result in a variety of symptoms and complications, depending on the extent and location of the damage.
The recurrent laryngeal nerve (RLN) is a nerve that supplies motor function to the muscles of the larynx or voice box. It also provides sensory information to the larynx and trachea. Damage to the RLN can result in a variety of symptoms depending on the extent and location of the injury.
If the RLN is damaged on one side, the symptoms may include:
Hoarseness or loss of voiceWeakness or paralysis of the vocal cord on the affected sideDifficulty speaking, especially when trying to project the voiceDifficulty swallowing, especially liquidsChoking or coughing when trying to swallowShortness of breath or wheezingDecreased sensation in the larynx and tracheaTo know more about laryngeal nerve
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FILL IN THE BLANK. grouping organisms based on their evolutionary relationships is the process of __________, which is part of taxonomy
Grouping organisms based on their evolutionary relationships is the process of Systematics which is part of taxonomy.
The study of biological diversity and the interactions between species is generally termed as sytematics. Taxonomy, the component of systematics that focuses on the theory and practice of classification, is not easily distinguished, and biologists frequently use the terms interchangeably.
What is an example of systematics?Reptiles, for example, are animals that lay eggs and have scales, whereas mammals are animals that have live births and have fur or hair. All humans, more specifically, share the same features and hence belong to a group, or taxon, of the genus Homo and species sapien.
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What are appropriate means for leaving evidence of presence? (Select all that apply)
Fingerprints
notes
DNA
All option are appropriate means for leaving evidence of presence (Fingerprints ,notes ,DNA).
Leaving evidence of your presence helps the US government find, identify, and reclaim you. The Rule of Conduct explains your obligation to flee and assist others in fleeing. Planning for post-escape evasion and recovery is part of that duty.
What exactly are fingerprints?Fingerprints are impressions created by the papillary ridges on the tips of the fingers and thumbs. Because the ridge arrangement on each human finger is unique and does not change with growth or age, fingerprints provide an ironclad form of personal identification.
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Appropriate means of leaving evidence of presence include biological markers such as fingerprints and DNA, as well as intentional signals like leaving a note. These indications of presence can reveal identity and intentions.
Explanation:The question seeks to identify appropriate means for leaving evidence of presence. The means indicated, such as fingerprints, notes, and DNA, are indeed appropriate ways to show physical or personal presence. Fingerprints and DNA are biological markers that each person leaves behind which can reveal identity upon investigation. In the case of fingerprints, patterns are unique to each individual, left on surfaces by the oils and sweat secreted by skin. DNA can be left through bodily fluids or discarded skin cells. Leaving a note is a more direct and intentional way to announce presence, typically used when wanting another person to know of your presence after you've left a location.
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input from the retinas of both eyes is processed in the
Input from the retinas of both eyes is processed in the visual cortex
Where is the visual cortex?
Input from the retinas of both eyes is processed in the visual cortex, which is located in the occipital lobe at the back of the brain. The visual cortex receives signals from both eyes and integrates this information to produce a single image with depth and perspective.
This process is known as binocular vision, which allows for depth perception and the ability to see the world in three dimensions.
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why are we able to use starch as an energy source but not cellulose?
Answer: we are able to use starch as an energy source but not cellulose because we can digest starch not cellulose
Explanation:
Our body contains enzymes break starch into glucose to fuel body. But we humans don't have enzymes that can break down cellulose.
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Meiosis in animals serves all but which one of the following functions?
A. the formation of gametes
B. the production genetically identical daughter cells
C. the reduction of chromosome number by half
D. the formation of haploid germ cells.
Statement B is the correct option. This statement is true about mitosis, not meiosis because the genetically identical daughter cells are produced during mitosis.
Mitosis is the process that helps to produce two genetically identical daughter cells whereas meiosis is the process that helps to produce genetically distinct daughter cells from the parent cells. In mitosis, the chromosome number remains the same whereas, in meiosis, the chromosome number is reduced to half.
Mitosis occurs in the somatic cells where as meiosis occurs in the gametes. So genetic variation doesn't change during mitosis but genetic variation is increased during meiosis.
All the given statements are true of meiosis except statement B which is true of mitosis.
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What is true of genetic engineering of food crops?
Genetic engineering of food crops involves the manipulation of an organism's DNA to introduce or remove specific genes that are present in Option A, as the process alters the capacity of desirable traits such as increased yield, resistance to pests, etc.
What is the genetic engineering of food?The technique used in genetic engineering is recombinant DNA technology, which involves the insertion of foreign genes into the DNA of an organism and the process of genetic engineering can be done using different methods, such as agrobacterium-mediated transformation, and the main benefit of genetically engineering food crops is the potential to increase crop yield and quality.
Hence, genetic engineering of food crops involves the manipulation of an organism's DNA to introduce or remove specific genes that are present in Option A.
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The question is incomplete, complete question is below
What is true of genetic engineering of food crops?
A) involves the manipulation of an organism's to introduce or remove specific genes
B) doesn't involve the manipulation of an organism's DNA to introduce or remove specific genes
the part of the human microbiome that includes all of the viruses that are associated with the body is called the human_______
The part of the human microbiome that includes all of the viruses that are associated with the body is called the human virome.
What is microbiome?A microbiome is a collection of microbial organisms that live on or in the human body. This includes bacteria, fungi, and viruses. It is estimated that the human body contains over 100 trillion microbial cells, with the majority of them being bacteria. The microbiome plays a vital role in human health, and disruptions to the microbiome have been linked to a variety of health conditions. The microbiome also influences the body's immune system, metabolism, and digestion. It is an essential part of human health and is just beginning to be studied and understood.
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Enzymes accelerate a reaction by making the δg more favorable. True or False?
The given statement that "Enzymes accelerate a reaction by making the δg more favorable" is true because enzymes accelerate a reaction by lowering the activation energy required for the reaction to occur. they achieve this by stabilizing the transition state of the reaction, which reduces the energy needed to reach that state
Enzymes lower the activation energy required for a reaction to proceed, which in turn makes the Gibbs free energy change (ΔG) more negative and therefore the reaction more favorable. By lowering the activation energy, enzymes make it easier for reactants to overcome the energy barrier and form products.
As a result of this lower activation energy, the Gibbs free energy change (ΔG) for the reaction becomes more negative, making the reaction more energetically favorable. This means that the reaction can occur more quickly and with a greater yield of products.
Therefore, enzymes can accelerate reactions by making the ΔG more favorable.
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Ddt is an insecticide that was used extensively in the mid-1900s to kill mosquitoes.
Answer:
DDT is an insecticide that was used extensively in the mid-1900s to kill mosquitoes. It was very effective at first, but after a few decades DDT became less effective at killing mosquitoes because many populations had evolved resistance to DDT.
Explanation:
Suppose that titanium and sulfite can be combined to form an ionic compound with the formula unit Ti(SO3)2. A chemical equation then requires 3 such units. How many atoms is that total?
Responses
A 33
B 2727
C 8181
D 9
A formula unit of Ti(SO3)2 contains 9 atoms (2 titanium atoms and 7 sulfur atoms). Multiplying by 3 formula units gives 2727 atoms.
What is formula?A formula is a symbolic representation of a mathematical concept. It is a set of mathematical symbols and operations that can be used to express a specific problem or solution. Formulas are used to represent relationships between different variables, to calculate values, and to predict outcomes. In many mathematical fields, science, and engineering, formulas are employed. They are also used in computer programming and other applications. Formulas are often used to make calculations and predictions easier or faster.
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describe how a protein is made starting with the creation of rna. in your answer be sure to include the following words: DNA, mRNA, tRNA, rRNA, transcription (or transcribe), translation (ot translated), codon, anticodon, amino acid, nucleus, cytoplasm, protein, ribosome.
Protein synthesis involves the transcription of DNA into mRNA and then the translation of the mRNA into a protein. The process begins in the nucleus, where DNA is transcribed into mRNA. This process is catalyzed by RNA polymerase, which reads the DNA sequence and generates a complementary mRNA sequence. The mRNA then leaves the nucleus and travels to the cytoplasm.
In the cytoplasm, the mRNA is read by ribosomes, which consist of rRNA and protein. The ribosome reads the mRNA sequence in groups of three nucleotides called codons. Each codon specifies an amino acid, which is added to the growing protein chain.
tRNA molecules, which are specific to each amino acid, bring the amino acids to the ribosome. The tRNA molecule has an anticodon that is complementary to the codon on the mRNA. This ensures that the correct amino acid is added to the protein chain.
The process of translation continues until the ribosome encounters a stop codon on the mRNA. At this point, the protein is complete and it is released from the ribosome. The protein then folds into its three-dimensional structure, which is essential for its function.
Overall, protein synthesis is a complex process that involves the transcription of DNA into mRNA, the translation of mRNA into protein, and the interaction of tRNA and ribosomes to ensure the correct amino acid sequence. The resulting protein is crucial for the function of the cell and the organism as a whole.
What heterotrophic in biology means?
Heterotrophic organisms in biology are those that rely on other organisms for nutrition and energy.
These creatures must get their energy and nutrition from other sources, like plants or other animals, because they are unable to make their own food.
All branches of the animal world, including humans, contain heterotrophs, which can be either carnivorous or omnivorous. Certain fungi and protists also contain heterotrophs.
Heterotrophs are crucial parts of food webs since they are the main consumers of the nutrients and energy that autotrophs create.
Although they offer energy and nutrition to other creatures in the form of prey, they also serve as the foundation for all higher trophic levels.
All terrestrial and aquatic ecosystems depend on heterotrophic organisms because they serve as the primary conduit between producers and more sophisticated consumers.
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The long, heavy tail of a spider monkey enables the monkey to easily vary its. A) weight. B) momentum. C) inertia. D) center of gravity. E) none of these.
The long, heavy tail of a spider monkey enables the monkey to easily vary its D. center of gravity.
The center of gravity is the point in an object where the force of gravity appears to act. In the case of a spider monkey, the center of gravity is an important factor in determining its balance and stability as it moves through the trees.
Spider monkeys are arboreal primates that spend most of their time in trees, using their long limbs and prehensile tail to move from branch to branch. The tail is able to wrap around branches and provide support, allowing the monkey to shift its weight and maintain its balance. By varying the position of its tail, a spider monkey can adjust its center of gravity and maintain stability as it moves through the trees.
Therefore, the correct answer is D) center of gravity.
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in cross ii, the genotype of the dark, short-haired parent is a. CcBb b. ccbb c. CCBB d. CCbb e. CCBB
In cross ii, the genotype of the dark, short-haired parent is a. CcBb .
What is genotype?A genotype is a term used to describe an organism's genetic composition, typically in reference to a particular quality or attribute. It is governed by the fusion of both parents' inherited alleles (gene variations). For a specific gene, a genotype can be homozygous (both alleles are the same) or heterozygous (both alleles are different). The physical or perceptible characteristics that emerge through the interaction of the genotype and environment are referred to as the phenotype, on the other hand.
Each individual's genotype is made up of the alleles they carry for a specific gene, and each allele might have a variety of variations. The genotype of the dark, short-haired parent is indicated in the inquiry as "a.CcBb" and it is dependent on the particular qualities being investigated as well as the genotype of the other parent in the cross.
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climate systems quick check which of these is one of the milankovitch cycles?
One of the Milankovitch cycles is the change in the Earth's axial tilt. The angle between the Earth's rotating axis and its orbital plane around the sun is referred to as the axial tilt.
The axial tilt of the Earth fluctuates throughout time as a result of a variety of reasons, including the gravitational pull of other celestial bodies such as the moon and planets. These changes occur on a 41,000-year cycle and can have significant influence on the Earth's climate.
The seasonal changes between summer and winter can be more intense when the Earth's axial tilt is greater (i.e. the angle of tilt is greater). This can lead to more intense and long-lasting glacial, as well as greater temperature disparities between the poles and the equator.
When the Earth's axial tilt is lower, the seasonal changes between summer and winter are less severe. This may result in milder glacial episodes and more consistent temperature patterns over the world.
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The probable question may be:
Which of these is one of the Milankovitch cycles?
a. changes in the length of Earth's orbit
b. changes in the distance between Earth and the sun
c. changes in the time between Earth's seasons
d. changes in Earth's tilt
whatis example of bio 150 exam 3 questions?
We can provide you a few samples of subjects that might be examined on a Bio 150 exam 3, which can help you prepare:
DNA replication, genetic mutations, transcription, and translation are all aspects of genetics.Natural selection, population genetics, speciation, and the development of life on Earth are all examples of evolution.Population ecology, community ecology, ecosystem ecology, and conservation biology are all subfields of ecology.Cell biology includes cellular respiration, photosynthesis, and cell structure and function.Physiology includes homeostasis, organ systems, and physiological processes like nerve and digestive system activity.It's crucial to keep in mind that the precise subjects covered on an exam can change based on the instructor and the course syllabus. In order to properly prepare for a test, it's always a good idea to speak with your instructor or examine the course curriculum.
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What is the biological molecule composed of nucleotide monomers; examples include dna and rna.
The biological molecule composed of nucleotide monomers is nucleic acid. Examples of nucleic acids include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleotides are the building blocks of nucleic acids, and they consist of a nitrogenous base, a five-carbon sugar (ribose in RNA, and deoxyribose in DNA), and a phosphate group. The nitrogenous bases in DNA are Adenine (A), guanine (G), cytosine (C), and thymine (T), while in RNA, the Nitrogenous bases are adenine (A), guanine (G), cytosine (C), and uracil (U).
The sequence of nucleotides in DNA and RNA determines the genetic Information that is used to synthesize proteins and perform other cellular Functions.
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francis crick proposed the genetic code hypothesis, which states that ______.
Francis Crick recommended that the nucleotide succession of DNA is a code, DNA is just a data-stockpiling particle. Various blends of bases determine every one of the 20 amino acids.
The amino corrosive succession of a chemical is coded for by a particular stretch of DNA grouping.
The GNC speculation or GNC-SNS primitive hereditary code speculation alludes to speculation about the beginning of qualities. It recommends the all-inclusive hereditary code started not from a three-amino corrosive framework, but rather from a four-amino corrosive framework. It is this GNC code encoding [GADV]-proteins that are the crudest hereditary code.
Marshall Nirenberg found the hereditary code. He won the Nobel prize in 1968 alongside Robert W. Holley and Har Gobind Khorana for interpreting the hereditary code.
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Use the following table to answer the question:
This table shows the codons found in messenger RNA. Using this information, what sequence of nucleotides in the template strand of DNA could code for the polypeptide sequence Phe-Ser-Gln?
3' UUC-UCU-CAA 5'
3' AAG-AGA-GTT 5'
3' TTC-TCT-CAA 5'
3' AAG-AGA-GUU 5'
the answer is 3' AAG-AGA-GTT 5' :)
The polypeptide Phe-Ser-Gln could be encoded for by the nucleotide sequence UUC-UCU-CAA in the template strand of DNA.
What is the genetic code?
The triplets of nucleotides that code for a specific amino acid in the developing polypeptide are indicated by the genetic code. These triplets, or codons, serve to identify the protein sequence during transcription and subsequent translation .In conclusion, the polypeptide sequence Phe-Ser-Gln could be encoded for by the nucleotide sequence UUC-UCU-CAA in the template strand of DNA.
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how much do enzymes speed up reactions but can only be used once
An enzyme speeds up a chemical reaction in the cell and can be used more than once. The correct option is false.
Enzymes generally speed up chemical reactions in biological systems by providing an alternate but shorter pathway for reactants to reach products. In other words, enzymes lower the activation energy needed to be summoned by reactants in order to get to products.
While enzymes work by speeding up reactions, they are not themselves consumed in reactions. Thus, they can be recycled and reused all over again.
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Full Question: An enzyme speeds up a chemical reaction in the cell, but can only be used once.
a. True
b. False
What is the building blocks of matter called
Answer:
Atoms
Explanation:
From a chemist's point of view, the building blocks of matter are atoms. The types of atoms that make up a particular bit of matter, and the way those atoms are arranged, affect the properties and the behaviour of that matter.
Which phrase is not an example of intercellular communication?A. ribosomes make proteinB. intercellularC. a vesicle encloses over a nutrient moleculeD. plasmodesmata
Ribosomes make proteins within each cell. Along these lines, no cell collaborations are expected for making protein. the correct answer is (A).
Correspondence between two cells within an organic entity is called intercellular correspondence. Some normal illustration of intercellular correspondence is - chemical discharge, signal transmission through vesicular exocytosis, and so forth.
Ribosomes make proteins within each cell. Along these lines, no cell collaborations are expected for making protein. While microscopic organisms moving data about supplements will collaborate with other bacterial cells.
The best illustration of this kind of flagging is chemicals, chemicals from different organs are filled the circulation system and travel alongside it. At the point when they arrive at the objective cell, they tie to receptors producing the suitable reaction.
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another term for bone tissue is ______ connective tissue.
Another term for bone tissue is osseous connective tissue.
in general , Osseous connective tissue, is also bone tissue which is connective tissue that makes skeletal system of the vertebrates. They are composed of cells, fibers and extracellular matrix that makes bone hard.
Bone tissue has various important functions, that includes giving support and protection to the body, they are also muscle attachment junction, and mediate mineral homeostasis. The cells of bone tissue also contains osteoblasts, that helps in production and secretion of organic matrix of bone, and osteoclasts helps to reabsorb bone tissue .
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Which option identifies the method that could be applied in the following scenario?
A portion of a field has drained, more rapidly than the rest, leading to drought conditions in the area several days before the water has needed in the rest of the field.
A. Selective application technology
B. Variable-rate technology
C. Precise nutrient application
D. Variable-rate irrigation
Answer:
hi my answer is D
hope this helping <3
The nereus is simply an unmanned deep-sea remote operated vehicle (rov). please select the best answer from the choices provided
true
false
False. The statement that the Nereus is simply an unmanned deep-sea remote-operated vehicle (ROV) is not entirely accurate.
The Nereus is a type of unmanned deep-sea vehicle, but it is not just any ROV. It is actually a hybrid remotely-operated vehicle (HROV), which means it is capable of both autonomous and tethered operations. This means that the Nereus can be programmed to operate on its own, without the need for human intervention, but it can also be controlled remotely by operators on a ship or on shore.
The Nereus is also equipped with a unique design that allows it to explore the deepest parts of the ocean. It is built to withstand the immense pressure found in the deep sea, and it is equipped with a series of high-tech sensors and cameras that allow it to capture images and collect data in real-time.
Overall, the Nereus is an advanced deep-sea vehicle that is capable of a wide range of scientific and exploratory missions. While it can be classified as an ROV, it is more accurately described as a hybrid remotely-operated vehicle due to its unique capabilities and design.
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what is the most important indicator of human behavior, according to scientists?
According to scientists, the most crucial sign of human conduct is the capacity for planning.
The social sciences, which encompass psychology, sociology, ethology, as well as their different subfields and schools of thought, study human behaviour.Genetics alone does not fully explain human behaviour. Environmental circumstances and genetic predispositions are the main determinants of personality in humans. Genes can have a significant impact on human behaviour in some situations, while the environment can have a significant impact in other situations. Their behaviour is influenced by four main factors: biological factors, such as age and sex; biosocial factors, which refer to how humans communicate with one another; cultural factors, which concern the culture to which they belong; and situational factors, which refer to the environmental difficulties they face.
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when atp is produced are blood glucose levels high or low
The blood Glucose levels lower down when the ATP is produced. As glucose is the predominant substrate in glycolysis, it serves as the principal source of energy for cellular activity.
Our blood plasma's primary source of free circulating sugar is this tiny, soluble molecule. In some cells, like those in the human brain, the first metabolic stage in cellular respiration is glycolysis, which is essential for cellular metabolism and the production of energy (ATP).These cells are particularly prone to damage from low glucose levels (hypoglycaemia), as they are unable to carry out respiration, which deprives them of energy and prevents them from carrying out their function. Low glucose levels have the potential to cause cell death or severe damage in brain cells, both of which are extremely harmful.
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a virus causing the infected organism to sneeze, which helps get the virus passed on, is an example of an extended phenotype. group of answer choices true false
True. A virus causing the infected organism to sneeze, which helps get the virus passed on, is an example of an extended phenotype.
What is an extended phenotype?An extended phenotype refers to any trait that influences the environment of an organism and can thereby affect the behavior or survival of other organisms. It can be a trait that is under direct genetic control of an organism or it can be an indirect effect of the organism's genes.
For example, a beaver's dam is considered an extended phenotype because it is a structure that is constructed by the beaver but influences the environment in which it lives. Similarly, a bird's nest can be considered an extended phenotype as it provides shelter for the bird and its offspring. The concept of extended phenotype helps to understand how genes can influence the behavior of organisms and shape their interactions with the environment.
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what are the three meninges of the brain
The three meninges of the brain, listed from outermost to innermost: Dura mater, Arachnoid mater and Pia mater.
The meninges are the protective layers of the tissue that surround the brain as well as spinal cord.
Dura mater: The dura mater is the tough, outermost layer of the meninges. It is a thick, fibrous layer that lines the inside of the skull and vertebral column, providing protection for the brain and spinal cord.
Arachnoid mater: The arachnoid mater is the middle layer of meninges. It is a thin, web-like layer that lies beneath the dura mater and is filled with cerebrospinal fluid (CSF), which provides cushioning and helps to regulate pressure within the brain.
Pia mater: It is the innermost layer of meninges. It is a thin, delicate layer that adheres to the surface of the brain and spinal cord, following the contours of their convolutions.
The three meninges provide protection, cushioning, and support for the brain and spinal cord.
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