What are the 3 factors of natural selection?

Albinism and Huntington's disease are two instances of human autosomal Mendelian traits. Phenylketonuria is another example of a human mendelian trait: This illness is an illustration of a Mendelian trait since it is passed down from parents to children when both parents have heterozygous (Aa) and homozygous (Aa) circumstances. 

Human characteristics known as Mendelian traits are those that are heavily influenced by Mendelian inheritance. Mendelian inheritance is the term used to describe how qualities that are regulated by a single gene with two alleles, one of which may be dominant to the other, are passed down from parent to child. Even though just a few human features are governed by a single gene with two alleles, they provide a solid foundation for learning about human heredity.

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Their are various adaptation that helps snail to defend from predators that include cryptic coloration , thickened outer shell . They also produces mucous and irritating smells . They have quick hiding and withdrawal behaviors.

In general ,snails have a hard exoskeleton usually formed from crystalline calcium carbonate. these shells helps to protect snails from predators and some time extreme temperature. In addition they can also help with the defence against nematodes. These shells have many different structures like the one with spiral shapes helps for better hiding from predators .

Snails are also capable of regenerating the broken shell which is also an adaptation strategy .

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Following mitosis, each individual cell uses matter to grow. Individual cells produce matter to expand after mitosis.

Six carbon atoms, twelve hydrogen atoms, and eighteen oxygen atoms are reorganized in this process from one configuration in the reactants to another configuration in the products using the energy of the sun. Because the same atoms are present on both sides of the reaction, mass is conserved.

A tree's main component by weight is carbon. Carbon is derived from carbon dioxide, which is used in photosynthesis. Plants use photosynthesis to transform solar energy into chemical energy, which is stored in the bonds of carbon molecules made of water and carbon dioxide from the atmosphere.

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Natural selection is influenced by environmental factors that limit survival and reproduction, such as hard habitats or mate competition. Selective breeding is referred to as "artificial selection."

Breeding is a natural process of mating between two species, but selective breeding is an artificial process where people intervene and choose specific organisms to mate.

There are three differences between natural selection and selective breeding:

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Answer:

an accidental changes the pitch, so that the note is either higher or lower than the original natural note.

Explanation:

I hope this is the symbol you were talking about, hope this helped

Answer: Your answer is option (A).

Explanation:

Carcinoma. Carcinoma refers to a malignant neoplasm of epithelial origin or cancer of the internal or external lining of the body.

Untreated squamous cell carcinoma of the skin can destroy nearby healthy tissue, spread to the lymph nodes or other organs, and may be fatal, although this is uncommon. The risk of aggressive squamous cell carcinoma of the skin may be increased in cases where the cancer: Is particularly large or deep.

Some forms of carcinoma can be cured with early detection and early treatment. For instance, basal cell carcinoma (BCC) has a 100% five-year survival rate. This means that people with BCC are just as likely to be alive five years after diagnosis as someone without a BCC diagnosis.

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Less dense and Darker in color are  two terms apply to continental crust rather than oceanic crust.

The both option are correct A and B.

When compared towards the continental crust, the oceanic lithosphere is thin, relatively young, simpler, and chemically richer in magnesium. The oceanic lithosphere is the chilled and crystallised melt fraction that results from the magmatism of the mantle there at semi ridges.

At subduction zones, the oceanic crust is forced back into the mantle, causing this process to happen. At mid-ocean divides and volcanic hotspots, new crust in the form of volcanic rock is created when old oceanic plate is submerged and melts into magma.

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Water molecules must have moved out of the lettuce by osmosis. The addition of salt and other seasonings must have created a hypertonic ambiance for the cells of the lettuce.

Osmosis refers to the movement of solvent (mostly water) molecules through a selectively (semi) permeable membrane from a region of lower solute concentration to a region of higher solute concentration, in such a way as to equate the solute concentrations on both sides. Water usually moves osmotically from regions of lower solute concentration (high water potential) to regions of high solute concentration (low water potential).

Thus, water will move out of the cells of the lettuce to the surrounding (bottom of the bowl) due to the lower water potential of the surrounding.

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Answer:

Explanation:

the fat insulated the body keeping it warm and the fat stores nutrients to keep the animal sustained

An expected characteristic of a blood vessel designed to withstand a high pulse pressure is elastic tunica media. Histamine is most likely to result in a sharp drop in blood pressure.

Due to their direct connection to the heart's ventricle, the blood pressure is highest in the large arteries (like the aorta). There is a decrease in blood pressure as the blood vessel splits from the small arteries and into the arterioles.

Blood pressure can rise even more as a result of stress-related behaviours like eating more, smoking, or drinking. certain long-term conditions. High blood pressure can result from a number of illnesses, including kidney disease, diabetes, and sleep apnea.

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This is an example of genetic drift mechanism of evolution.

When whales migrate from one pod to another pod, unique alleles found in each gene pool become more similar over time. This phenomenon is known as genetic drift, which is a mechanism of evolution.

Genetic drift is the result of random fluctuations in the frequency of alleles, which can be caused by a variety of factors, including migration, natural disasters, and population size.

As whales migrate and the gene pools of different pods become more similar, the genetic diversity of the overall population decreases. This process can have a lasting impact on the survival of a species.

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In photosynthesis, matter components are chlorophyll, water, carbon dioxide and glucose. Energy components are light energy, chemical energy, thermal energy.

Chlorophyll: a pigment found in the chloroplasts that absorbs light energy

Water: a molecule that is oxidized during the light-dependent reactions

Carbon dioxide: a molecule that is used as a source of carbon for the synthesis of organic compounds

Glucose: a simple sugar produced as a result of the light-independent reactions.

Light energy: energy from the sun that is absorbed by the chlorophyll to drive the reactions of photosynthesis

Chemical energy: energy stored in the bonds of glucose and other organic compounds produced during photosynthesis

Thermal energy: energy in the form of heat that is released as a byproduct of the reactions of photosynthesis.

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Bacteria are able to survive in wide range or environments like mountains, springs, guts of organisms etc.

Bacteria are unicellular or single-celled organisms which have the ability to survive in a wide variety of conditions. They can be found almost everywhere in the environment.

Bacteria which can withstand very high temperatures are found in hot springs. They can also be found frozen in the ice of Antarctica and other cold places. Bacteria are also found on top of cold mountains and are found to thrive in the aquatic environment of seas and oceans. Although most bacteria thrive in neutral environment, a lot of them are able to survive in highly acidic environments.

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ΔG for the two reactions is the same, but the energy of activation for the reaction catalyzed by the mollusk enzyme is lower than the energy of activation for the reaction catalyzed by the bacterial enzyme.

Enzymes are proteins that act as biological catalysts by hastening chemical reactions. Substrates are molecules that enzymes may interact with, and the enzyme converts the substrates into other compounds known as products.

An enzyme is a substance that works as a catalyst in living organisms, controlling the pace at which chemical reactions occur while remaining unaffected. Enzymes play a vital role in decreasing a reaction's activation energy—the amount of energy required for the reaction to begin. Enzymes function by attaching to reactant molecules and keeping them in place so that chemical bond-breaking and bond-formation activities may occur more easily.

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Blocks of genetic material that do not recombine and are passed on for generations are called haplotypes.

A haplotype is a set of DNA variants along a single chromosome that tend to be inherited together. Because they are close together on the chromosome and recombination between these variants is rare, they are usually inherited together.

The haplotypes represent sequences along the chromosome that are either conserved intact or separated over time by recombination. This basic concept has led to the development of methods to extract information about recombination to help researchers identify disease-causing genes and loci.

In the genome, alleles of closely spaced variants on the same chromosome tend to occur together more frequently than would be expected at random. These allelic blocks are called haplotypes.

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STEMI that converts to a NSTEMI in the course of thrombolytic therapy is coded as an NSTEMI using the I21.x code. If thrombolytic therapy was administered, this should be documented separately using an appropriate code.

If an ST elevation myocardial infarction (STEMI) converts to a non-ST elevation myocardial infarction (NSTEMI) during thrombolytic therapy, it is coded as an NSTEMI. The code used to identify myocardial infarction is I21.x, and the fourth and fifth digits indicate the type of myocardial infarction. For STEMI, the fourth and fifth digits are 0, indicating a STEMI. For NSTEMI, the fourth and fifth digits are 1, indicating a NSTEMI.

The conversion of a STEMI to a NSTEMI can occur when thrombolytic therapy is successful in opening a blocked artery. When this occurs, the patient’s condition improves and the ST elevation disappears from the electrocardiogram (ECG), indicating that the myocardial infarction is now a NSTEMI.

When coding for a NSTEMI, it is important to note that the NSTEMI code does not indicate the presence of thrombolytic therapy. The code is simply used to indicate that the patient has experienced an NSTEMI. If the patient received thrombolytic therapy, this should be documented separately using an appropriate code, such as ICD-10-CM code Z94.30 (thrombolytic therapy).

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Bones and cerebrospinal fluid make up the layers that protect the brain and spinal cord. The brain is the body's primary processing organ. It either directly or indirectly controls how the body functions.

Along with the spinal cord, the brain is a component of the CNS. The brain is divided into three sections: the forebrain, the midbrain, and the hindbrain.

Bones: The skull and vertebral column bones form a hard protective shell around the brain and spinal cord.

The meninges are located directly beneath the skull and vertebral column bones. The meninges are three layers of connective tissue that surround and protect the brain and spinal cord.

Cerebrospinal fluid (CSF): Inside the brain and spinal cord is a watery cushion. The Blood Brain Barrier is a filtering barrier that protects neurons from toxins in the bloodstream.

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In DNA sequencing, a ddNTP is frequently used. It lacks a hydroxyl (OH) group at the 2' and 3' carbons.

Dideoxynucleotides triphosphates are referred to as ddNTP. Four kinds of nucleotides are included in it: ddATP, ddTTP, ddCTP, and ddGTP. Sanger sequencing, also known as chain-termination sequencing, employs ddNTP.

This ddNTP lacks a free hydroxyl (OH) group necessary for DNA replication, it is employed to prevent DNA synthesis. They are also known as 2' 3' because they lack hydroxyl groups on the ribose at either the 2' or 3' locations. As a result, they stop the chain from elongating because no phosphodiester bond is formed with the subsequent carbon.

Therefore, the blanks can be filled with hydroxyl (OH) group, 2' and 3'.

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The four factors that leads to habitat degradation are,

1. Farming, first the agriculture sector is the one that receives the greatest criticism.

2. Business Numerous habitats are destroyed by powerful firms and corporations.

3. Noxious species Another significant factor in the loss of native species is the introduction of invasive species into areas.

4. Growing Population and Needs Human population and requirements are both rising quickly.

As a result of the extensive use of land for industrial farming, runoff is another problem that adds to pollution and habitat deterioration. A lot of fertilisers, insecticides, and other items with toxic compounds are frequently needed for farming. These compounds were once used to safeguard and encourage the growth of crops.

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Yes, whales need oxygen to survive. Like us, whales are mammals that breathe air into their lungs. Because they lack gills, they can't breathe underwater like a fish can.

A blowhole, or nostril, on top of their heads, allows them to breathe. While swimming or resting beneath the water, this enables them to take deep breaths by only exposing the tops of their heads to the air. The strong muscles that surround the blowhole close it tightly after each breath to prevent water from entering the lungs of the whale or dolphin.

Dolphins only have one blowhole, whereas large whales, with the exception of the sperm whale, have two blowholes.

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Gravity holds the sun, earth, and moon together, and these three bodies engage in a variety of interactions. Due to the earth's gravitational attraction, the moon revolves the planet. And because of the sun's gravitational attraction, the earth orbits the star.

The Moon travels in tandem with Earth's orbit around the Sun. Despite the Earth's continued motion, the Moon must travel two additional days during its orbit, which lasts 27 1/2 days.

The Moon is 384,403 kilometres away from Earth on average. Additionally, there are 149,597,887 kilometres between the Earth and the Sun on average.

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This section discusses a phenomenon called social synchronization, which is the propensity for people to mimic the actions and bodily reactions of those in their social group.

Running, laughing, sobbing, and yawning is only a few of the activities stated in the chapter that displays social synchrony.

According to research, social synchronization may take place in a wide range of contexts, such as sports teams, schools, and even online communities. It can also have a number of advantages, including enhancing group cohesion, lowering stress levels, and fostering happy feelings.

Social synchronization can be explained by the concept of social contagion, which is the spread of emotions and behaviors through a group, and the idea of mirror neurons, which are brain cells that respond to observed actions as if they were performed by the observer.

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The findings described are most suggestive of chronic kidney disease (CKD). This is a condition where the kidneys become unable to filter blood as efficiently as they normally would, leading to a buildup of waste products in the body.

CKD can be caused by a variety of different factors, including long-term exposure to toxins, certain medications, and certain medical conditions such as diabetes and hypertension. Chronic kidney illness can cause atrophic tubules filled with eosinophilic proteinaceous casts, asymmetric corticomedullary scarring, distortion of the renal pelvis and calyces, and interstitial fibrosis in the kidney.

These findings suggest that the kidney is not functioning properly, and that there has been long-term damage to the organ. The specific cause of the CKD can only be determined after further testing. Treatment options vary depending on the cause and the severity, but may include medications, lifestyle changes, and dialysis.

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Food coloring molecules in both the hue yellow and the color blue are tiny.

The small piece that defines the external perimeter of a live colony or a interior cell compartment is known in biology as a membrane. The organelles are the spaces surrounded by internal membranes and have the plasma membrane as their external border.

Therefore, the cell membrane serves two purposes: first, as a barrier preserving the components in and undesired things out, and second, as a gate permitting the passage of vital nutrients into the cell and the movement of waste products out of the cell.

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The probability that a child born to two carriers of a recessive disorder allele will have the disorder is 25% can be calculated by the pedigree analysis.

When two carriers of a recessive disorder allele have a child, each parent will pass on one of their two copies of the allele to the child. Since each parent is a carrier, there is a 50% chance that the child will inherit one copy of the allele from each parent. When both copies of the allele are inherited, the child will have the disorder because the disorder only occurs when both copies of the allele are present.

The probability that the child will inherit one copy of the allele from each parent is (1/2) x (1/2) = 1/4 = 25%. Therefore, the probability that a child born to two carriers of a recessive disorder allele will have the disorder is 25%.

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The relationship between the III-1 and III-2 is husband and wife as it is consanguineous marriage.

Pedigree analysis was created to comprehend how genes are passed from parents to their offspring.

It was created as a diagram that can illustrate a family tree, the family members, and their individual genetic characteristics.

Getting married to someone you are closely related to is known as consanguine marriage. Despite the possibility of incest, it indicates more than just incest's intimate component.

Marriage between two relatives who are second cousins or closer is considered a consanguineous union in a clinical sense.

Thus, due to consanguine marriage, they are husband and wife.

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The tail of the comet always points away from the sun no matter what direction the comet travels. Because the solar wind always blows out from the sun!