Regular moderate endurance exercise : It reduces risk of dementia.
What is endurance exercise?Endurance training is the act of exercising to increase endurance and the term endurance training refers to training aerobic system as opposed to the anaerobic system
Endurance activity keeps heart, lungs and circulatory system healthy and improves overall fitness and people who get recommended regular physical activity can reduce risk of many diseases such as diabetes, heart disease and stroke.
Endurance exercise includes activities that increase breathing and heart rate such as walking, jogging, swimming, biking and jumping rope and endurance activity keeps heart, lungs and circulatory system healthy and improves your overall fitness.
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What is the science behind music ?
sound is produced with something that vibrates and those vibrations are brought to you're ear as sound waves.
What strategies/behaviors could the american desert hares use to survive a period of unusually cold weather?
In order to defend themselves from the cold and wind, desert hares might find refuge in burrows or rocky outcroppings.
How do girls get their periods?If you use the restroom during your period, you can find red or brown blood on your underwear or in the toilet. Before your period stops, you might only notice a few spots since you bleed so little. Alternatively, before it stops, your bleeding can begin light, increase heavy, and then lighten up again.
How come girls have periods?The lining of the uterus thickens as a result of these hormones. The lining has developed to the point where a fertilized egg can adhere and begin to develop. if no egg has been fertilized.
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In noncyclic photophosphorylation, electrons from _______ replenish chlorophyll molecules that have given up electrons.
a. CO2
b. water
c. NADPH + H+
d. O2 gas
e. None of the above
Water. Electrons are taken out of water and transferred through PSII and PSI to NADPH in a process known as non-cyclic photophosphorylation.
This mechanism generates ATP by requiring light to be absorbed twice, once in each photosystem. Because light energy is used to create ATP from ADP, the process is actually known as photophosphorylation (phosphorylation).
Energy is transferred from pigment to pigment inside photosystem II when light is absorbed by one of the many pigments present there. This process continues until the reaction centre is reached. There, energy is transferred to P680, raising an electron's energy level. The high-energy electron is transferred to an acceptor molecule and exchanged for an electron from water. The oxygen we breathe is released as a result of the splitting of water.
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What are epithelial tissues 4 main functions?
Epithelial tissues are one of the four major types of animal tissues, and they perform a range of important functions in the body.
The four main functions of epithelial tissue are Protection: Epithelial tissues protect underlying structures from physical, chemical, and biological damage. For example, the skin is an epithelial tissue that protects the body from environmental damage. Absorption: Some epithelial tissues are specialized for absorbing substances from the environment.
Secretion: Many epithelial tissues produce and secrete substances such as mucus, hormones, and enzymes. For example, the epithelial cells in the pancreas secrete digestive enzymes.
Sensory reception: Some specialized epithelial tissues, such as those in the nose and tongue, contain sensory receptors that respond to stimuli from the environment, allowing us to smell and taste.
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what process ensures that all cells get a complete set of the same genetic information?A) mitosisB) meiosisC) DNA replication
Answer:
The answer is C DNA replication
how many average weight of newborn ?
There is a wide variety of healthy sizes for newborns. Most infants weighing between 5 pounds, 8 ounces (2,500 grams) and 8 pounds, 13 ounces are delivered between 37 and 40 weeks (4,000 grams).
A baby born between 37 and 40 weeks of pregnancy typically weighs between 5 lb 8 oz and 8 lb 13 oz. Between 2.5 and 4 kilograms. Low birth weight is defined by experts as less than 5 lb 8 oz, or 2.5 kg, upon delivery. Immediately following birth, it's normal for newborns to lose about 10% of their body weight.
The 2020 National Vital Statistics Reports show that full-term newborns typically weight between 3,000 and 3,499 grams on average (6 pounds, 9 ounces, and 7 pounds, 11 ounces).
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During the cellular respiration one molecule of Glucose is first broken down into two molecules of?
Cellular respiration is a metabolic process that converts the energy stored in carbohydrates, such as glucose, into a form that can be used by the cells of the body.
During this procedure, glucose is split into two pyruvate molecules.
After a series of subsequent events, the pyruvate molecules are further broken down, releasing energy in the form of ATP (adenosine triphosphate), which is subsequently utilised as an energy source by the cells.
Glycolysis, the first stage of cellular respiration, produces pyruvate as an intermediary. The conversion of glucose into two pyruvate molecules is known as glycolysis. There is no need for oxygen for this action, which takes place in the cytoplasm of the cell.
The pyruvate molecules created in this process are subsequently used in the subsequent oxygen-dependent phases of cellular respiration that take place in the mitochondria. The pyruvate molecules are further broken down during these processes, producing energy in the form of ATP.
Being able to get energy from carbohydrates like glucose thanks to cellular respiration, which is a vital function for life. One glucose molecule is broken down into two pyruvate molecules to start the process.
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Who protect spinal cord
Skin lungs heart. Backbone
The backbone protects the spinal cord.
The central nervous system of the human body is made up of the lengthy, delicate, and crucial spinal cord. It passes through the spinal column, which is made up of separate bones called vertebrae, as it descends from the base of the brain. To move, experience sensations, and regulate bodily processes, messages must travel through the spinal cord from the brain to the rest of the body.
The spinal cord is shielded from harm by the vertebrae of the backbone. They are layered on top of one another and protected by pliable, supple discs that provide flexibility and stress absorption. Together, the vertebrae create a sturdy and adaptable structure that protects the spinal cord and supports it while also enabling optimal movement and function. The spinal cord would be fragile without the support of the backbone, which could have detrimental effects on a person's health and welfare.
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The complete question is-
Who protects the spinal cord?
A) Skin B) lungs C) heart D) Backbone
what is the correct order of leukopoiesis?
The correct order of leukopoiesis is:
1. Myeloblast.
2. Promyelocyte.
3. Neutrophilic myelocyte.
4. Neutrophilic metamyelocyte.
5. Band cell.
6. Neutrophil.
Leukopoiesis is a type of hematopoiesis in which white blood cells (WBC, or leukocytes) are produced in bone marrow in adults and hematopoietic tissues in fetuses.
White blood cells, like all blood cells, are created through the differentiation of pluripotent hematopoietic stem cells, which give birth to a variety of cell types with limitless differentiation potential. These immediate cell lines, or clusters, are the precursors of red blood cells (erythrocytes), platelets (megakaryocytes), and the two major types of white blood cells (WBCs), myelocytes and lymphocytes.
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the primary water conducting tissue that you would see in a stem cross-section is the
The primary water conducting tissue that you would see in a stem cross-section is the xylem.
Xylem is a complex tissue composed of several types of cells including tracheids, vessel elements, fibers, and parenchyma cells. These cells are responsible for transporting water and dissolved minerals from the roots of a plant to its leaves and other parts of the plant.
The xylem tissue is typically located toward the center of the stem, while the phloem, which is responsible for transporting food and nutrients throughout the plant, is usually found towards the outside of the stem. The xylem cells are typically elongated and arranged in a long, cylindrical shape, forming a continuous tube-like structure.
Overall, the xylem tissue in plants plays a crucial role in maintaining water balance and supporting the growth and survival of the plant.
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Procedure: In two to four sentences, explain how you ranked the plants from most desirable to
least desirable. Be sure to cite evidence from the data to support your rankings.
The plants you should rate as most desirable are creeping plants, and the plants you should consider least favorable are plants with large, tuberous roots.
Why are creeping plants the most desirable?Because they support the dunes.Because they prevent dune erosion.Because they allow the dunes to gain volume.As dunes are highly susceptible to erosion, creeping plants are essential to protect them. This is because these plants have massive roots that attach themselves to the dunes, holding their particles and promoting support. Furthermore, by mirroring themselves on the surface of the dune, the undergrowth protects them from the wind and rain.
Your question is incomplete. The complete question is:
"Procedure: In two to four sentences, explain how you ranked the plants from most desirable to least desirable. Be sure to cite evidence from the data to support your rankings.
Objective: protect the dunes."
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what are the components from the photosynthesis equation that are involved in the light dependent reaction?
Answer:
carbon iv oxide
Explanation:
its is responsible for photolisis to take place
what is the double membrane that encloses the nucleus?
The nuclear envelope is seen here. The nuclear membrane is a double membrane that surrounds the nucleus.
The inner and outer membranous layers that make up the nuclear membrane are what surround the nucleus. The inner nucleus, which contains DNA (deoxyribonucleic acid) & chromosomes, is separated from the cell organelles & cytoplasm by the nuclear membrane. Some chemicals can pass through the holes in the nuclear membrane on a selective basis. The cell's nucleus, which houses the chromosomes, is enclosed by the nuclear membrane, which is composed of two layers. The inner & outer nuclear membranes are a system of two circular membranes that enclose the nucleus. The distance between the inner & outside nuclear membranes is caused by the outer nuclear membrane's continuous connection to the endoplasmic reticulum.
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Which two statements explain why nitrogen is important to sustaining a
healthy ecosystem?
A. Nitrogen is part of many of the biomolecules that make up living
things.
B. Nitrogen is a nutrient that plants need for healthy growth.
C. All living things produce energy through cellular respiration by
breaking down nitrogen.
D. All organisms can use nitrogen directly from the atmosphere.
Two statements explain why nitrogen is important to sustaining a healthy ecosystem: Nitrogen is part of many of the biomolecules that make up living things, and nitrogen is a nutrient that plants need for healthy growth and is present in options A and B.
What is nitrogen?Nitrogen is an essential element for the growth and development of living organisms which is a crucial component of many biomolecules, including proteins, nucleic acids, and chlorophyll, this nitrogen is also a key nutrient that plants need for healthy growth, as it is a critical component of chlorophyll, which is responsible for photosynthesis.
Hence, the correct answers are that nitrogen is part of many of the biomolecules that make up living things, and nitrogen is a nutrient that plants need for healthy growth and is present in options A and B.
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An organism that is multicellular, non-vascular, and reproduces using spores would be classified in which kingdom?
Answer:
Fungi
Explanation:
Fungi are eukaryotic, non-vascular, non-motile and heterotrophic organisms. They may be unicellular or filamentous. They reproduce by means of spores.
What are the 3 major muscles of the hip?
The three major muscles of the hip are: Gluteus maximus, Gluteus medius, and Iliopsoas.
The hip joint is surrounded by a number of muscles that help to control movement and provide stability to the joint.
Gluteus maximus: The gluteus maximus is the largest and most superficial of the three major hip muscles. It forms the buttocks and is responsible for hip extension, which involves moving the thigh behind the body.
Gluteus medius: The gluteus medius is a broad, thick muscle that is located on the lateral surface of the hip. It is responsible for hip abduction, which involves moving the thigh away from the body.
Iliopsoas: The iliopsoas is a combination of two muscles, the iliacus and the psoas, that work together to flex the hip joint. The iliacus originates on the iliac crest of the pelvis and the psoas originates on the lumbar vertebrae. The two muscles join together and insert on the femur, or thigh bone.
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c 1. what notation would you use to characterize patient c's karyotype?
The total number of chromosomes, sex chromosomes, and any extra or missing autosomal chromosomes are included in the notation.
The term "chronological aging" refers to the process of aging. A laboratory-produced image of a person's chromosomes separated from an individual cell and placed in numerical order is also referred to as a chromosomal image. A karyotype can be used to look for chromosomal number or structural problems.
In genetics, what is karyotyping?Karyotyping is a technique that examines chromosomes in a cell sample. This test can assist in identifying genetic issues as the source of an illness or disease.
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what is another name for a pathogenic microorganism that causes infection
Answer:
infectious agent, or a germ.
Explanation:
Monohybrid and dihybrid worksheet
Punnett squares are used to get probabilities of getting the genotypes and phenotypes of the offspring of a cross. 1) Genotype 1/2 YY: 1/2 Yy.
2) Phenotype: 4/4 Yellow seeds. 3) 100% probabilities of having yellow seeds. 4) 50% probabilities of being homozygous dominant
To answer this question, we will use a punnett square.
What is a Punnett square?The Punnett square is a graphic representation that shows the different types of gamete combinations according to the alleles involved in a cross.
Punnett square shows the probabilities of getting offspring with different genotypes and their consequent phenotypes.
In the exposed example, we need to cross an individual who is heterozygous for seed color with another individual who is homozygous for yellow seeds.
Cross: heterozygous with homozygous dominant individuals
Parentals) Yy x YY
Gametes) Y y Y Y
Punnett square) Y y
Y YY Yy
Y YY Yy
F1)
Genotype
50% of the progeny is expected to be homozygous dominant YY
50% of the progeny is expected to be heterozygous Yy
100% of the progeny is expected to express yellow seeds.
1) Genotype 1/2 YY: 1/2 Yy.
2) Phenotype: 4/4 Yellow seeds
3) 100% probabilities of having yellow seeds
4) 50% probabilities of being homozygous dominant
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Inorganic elements needed in small amounts to help regulate body functions, aid in grown and maintenance of body tissues and help release energy.17 essential minerals. Anemia - Iron deficiency Osteoporosis - calcium deficiency
Calcium is one of the 17 essential minerals required by the body in small amounts to help regulate body functions, aid in the growth and maintenance of body tissues, and help release energy. Here option D is the correct answer.
Calcium is primarily known for its role in bone health, but it is also essential for muscle contraction, nerve function, blood clotting, and enzyme activity.
A deficiency in calcium can lead to a variety of health problems, including osteoporosis, a condition characterized by weakened bones that are more prone to fractures. Other symptoms of calcium deficiency may include muscle cramps, tingling in the fingers and toes, and irregular heartbeat.
It is important to consume adequate amounts of calcium through diet or supplements, especially during periods of growth, pregnancy, and lactation. Good dietary sources of calcium include dairy products, leafy green vegetables, fortified cereals, and some types of fish.
Complete question:
Inorganic elements are needed in small amounts to help regulate body functions, aid in the growth and maintenance of body tissues, and help release energy.17 essential minerals.
A - Anemia
B - Iron deficiency
C - Osteoporosis
D - Calcium deficiency
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Hello can someone please help me with this please
Write a paragraph that describes what happens to a red blood cell as it moves from the right atria of the heart through the body. What structures will it pass through? How will it interact with oxygen? Include the word hemoglobin in your response. Highlight these in your description.
The blood moves from the right atria to the right ventricle and then to the lungs, and then from the left atria to the left ventricle and finally to the body. There, blood gets oxygenated at the lungs, and hemoglobin gets oxygen.
What is the blood oxygenation level?Generally, blood enters the right atrium and travels through the atrioventricular valve to the ventricles, then to the lungs via the pulmonary artery, where hemoglobin absorbs oxygen and excretes carbon dioxide. Through the pulmonary veins, oxygenated blood enters the left atrium, travels to the left ventricles, and then reaches the body via the systemic artery.
Hence, blood moves from the right atria to the right ventricle and then to the lungs, where it gets oxygenated as hemoglobin gets oxygen, and then from the left atria to the left ventricle.
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Which of the following organs are involved in the general adaptation syndrome (GAS)? Select all that apply.
a) Thyroid gland
b) Adrenal gland
c) Pancreas
d) Hypothalamus
e) Pituitary gland
The correct options for the given question are: (b)Adrenal gland, (d)Hypothalamus, (e)Pituitary gland.
The general adaptation syndrome (GAS) is a stress response model that describes how the body responds to and copes with stress. The organs involved in the GAS are primarily those of the endocrine system, which are responsible for regulating the body's response to stress. Therefore, the correct options are:
Adrenal glandHypothalamusPituitary glandThe adrenal gland plays a key role in the GAS, producing hormones such as cortisol and adrenaline that help the body to mobilize its resources and respond to stress. The hypothalamus and pituitary gland work together to regulate the adrenal gland's production of these hormones, by releasing hormones such as CRH and ACTH.
While the thyroid gland and pancreas are also part of the endocrine system, they are not directly involved in the GAS and do not play a primary role in the body's stress response.
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lichens are symbiotic associations of fungi and ____i. mosses. ii. cyanobacteria. iii. green algae. iv. gymnosperms
Lichens are symbiotic associations of fungi and photosynthetic partners, which can include both algae and/or ii) cyanobacteria.
The fungi in lichens provide a protective structure for the photosynthetic partner and help to absorb and retain water and nutrients, while the photosynthetic partner provides energy-rich organic compounds through photosynthesis.
The photosynthetic partner in lichens can be either green algae or cyanobacteria, or sometimes both. Green algae are a common photosynthetic partner in lichens, and they can be found in a wide range of lichen species. Cyanobacteria are also common photosynthetic partners, especially in lichens found in harsh or extreme environments, such as deserts or polar regions.
Overall, the relationship between fungi and their photosynthetic partners in lichens is mutually beneficial, as the fungi provide protection and access to nutrients for the photosynthetic partner, while the photosynthetic partner provides a source of energy-rich organic compounds for the fungi.
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What is considered old for a German Shepherd?
A German shepherd has a lifetime of 7 to 10 years, according to the American Kennel Club. Fortunately for us, many live past that age and live to be around 12 - 13 years old.
There's no disputing that their lives are far too brief. While a German Shepherd's typical lifespan is 9-13 years, you can still extend your dog's life by exercising good dog habits and prioritising their physical and psychological well-being. Some German Shepherds, like all canines, can outlive their expected lifespan.
There have been reports of German Shepherds living into their late teens (perhaps 18 to 20 years old), but these claims are mostly unsubstantiated. In 2017, a German Shepherd mix attained the age of 15 in Scotland.
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what are the advantages of recombination during meiosis?
Enhanced genetic diversity, segregation of sister chromatids into different daughter cells during meiosis II and meiosis I, segregation of homologous chromosomes into separate daughter cells.
What is meiosis and its types?A single two cells twice during the meiotic process to produce four daughter cells that are haploid. The gametes—eggs in females and sperm in males—are these cells. Meiosis is broken down into two phases. Many stages are split into each step.
Why is meiosis so important?The process of meiosis is essential for ensuring that all organisms produced through reproduction have the right number of chromosomes. Meiosis also produces genetic diversity through the process of recombination.
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An inoculated thioglycolate medium culture tube shows dense growth at the surface and turbidity throughout the rest of the tube. What is your conclusion?
A. The organisms die in the presence of oxygen
B. The organisms are facultative anaerobes.
C. The organisms should be grown in an anaerobic chamber.
D. The organisms are obligate aerobes.
The most likely inference from the observation is that the organisms are facultative anaerobes.
What is Facultative anaerobes?Anaerobes that can grow and survive both with and without oxygen are referred to as facultative anaerobes. Facultative anaerobes in a thioglycolate medium growth tube will consume the oxygen at the surface of the tube before switching to fermentation or anaerobic respiration to continue growing inside the tube. As a result, the surface develops thick growth, while the remainder of the tube becomes muddy.
Given the appearance of development near the tube's surface, Option A that the organisms perish in oxygen seems doubtful. If the organisms were obligate anaerobes, Option C that they should be grown in an anaerobic chamber might be accurate, but there is no evidence to support this claim. Given the discovery of development in the lower oxygen areas of the tube, Option D that the organisms are obligate aerobes is likewise doubtful.
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With a limited amount of land and an increasing human population to feed from this land, each human's piece of land to produce their food is becoming smaller and smaller. Protecting the land is very important and can be done in a variety of ways. Which one does not describe a way to conserve farmable land?
One way that does not describe a way to conserve farmable land is by clearing forests for agricultural purposes.
Clearing forests for agricultural purposes does not describe a way to conserve farmable land because it can lead to soil erosion, loss of biodiversity, and contributes to climate change. Therefore, it is not a sustainable way to conserve farmable land for the increasing human population. Other ways to conserve farmable land include practising sustainable farming methods, reducing food waste, and promoting urban agriculture. These methods help to protect the land and ensure that there is enough farmable land to produce food for the growing human population.
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what are the four vessels in your body that are attached to the top of your heart?
The four vessels attached to the top of the heart are the superior and inferior vena cava, the pulmonary trunk, and the aorta.
The superior and inferior vena cava are large veins that carry deoxygenated blood from the body to the heart. The superior vena cava carries blood from the upper part of the body, including the head, neck, and arms, while the inferior vena cava carries blood from the lower part of the body, including the abdomen, pelvis, and legs.
The pulmonary trunk is a large artery that carries deoxygenated blood from the right ventricle of the heart to the lungs. In the lungs, the blood is oxygenated and returns to the heart through the pulmonary veins. The aorta is the largest artery in the body and carries oxygenated blood from the left ventricle of the heart to the rest of the body.
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the process of erythropoiesis normally takes how many days?
Erythropoiesis is the process of producing new erythrocytes, which takes roughly seven days. In a healthy adult, erythrocytes are continuously produced at a rate of around 2 million cells per second in the red bone marrow of big bones.
Erythropoiesis is the process through which red blood cells (erythrocytes) evolve from erythropoietic stem cells to mature red blood cells.
It is triggered by low O2 levels in the blood, which are sensed by the kidneys, which subsequently generate the hormone erythropoietin.
This hormone promotes the proliferation and differentiation of red cell precursors, resulting in enhanced erythropoiesis in hemopoietic tissues and the production of red blood cells (erythrocytes).
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Which change does NOT occur as a result of cortisol and epinephrine being released in response to stress? A) The liver releases sugar into the blood. B) Hearing and vision become more acute. C) The pancreas increases secretion of insulin
D) Perspiration increases
The change that does NOT occur as a result of cortisol and epinephrine being released in response to stress is:
C) The pancreas increases secretion of insulin.
The stress hormones cortisol and epinephrine are released by the body in response to stress. These hormones have a variety of effects on the body that are intended to assist the body in responding to stress.
A) Sugar is released into the bloodstream by the liver: Cortisol and epinephrine raise blood sugar levels by promoting the release of glucose from the liver into the bloodstream.
B) Hearing and vision become more acute: Cortisol and epinephrine increase sense sensitivity, allowing the body to respond to potential threats more effectively.
D) Increased perspiration: Cortisol and epinephrine cause increased perspiration, which helps regulate body temperature and prepares the body for physical activity.
Cortisol and epinephrine, on the other hand, decrease rather than increase insulin secretion. This helps to ensure that the body has adequate glucose available to fuel the stress response. Therefore, option C is the correct answer.
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