In order to maintain homeostasis in the bitterly cold climate, polar bears slow down their metabolism in order to conserve heat.
Definition and examples of homeostasisIn reaction to environmental changes, an organism can maintain internal stability through the process of homeostasis. The best illustration of homeostasis is the internal temperature of the human body.
Why does homeostasis matter?The body's homeostasis keeps all cell activities and the activity of its enzymes operating at their optimum levels. Keeping a steady internal environment despite deal with the changing factors is what it means to maintain equilibrium. These include managing blood pressure and blood sugar levels in the human body.
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Along with the nervous system, the ___ system coordinates the various activities of body parts.
Along with the nervous system, the endocrine system coordinates the various activities of body parts.
The endocrine system is a network of glands that produce and release hormones that help regulate many important body functions. These hormones travel through the bloodstream and affect different tissues and organs in the body.
The endocrine system plays a vital role in regulating many important body functions, including:
• Metabolism - the process by which the body converts food into energy
• growth and development
• reproduction
• mood and behavior
Endocrine disorders can occur when the body produces too much or too little of a hormone. For example, diabetes mellitus is a condition that occurs when the body does not produce enough insulin, a hormone that helps regulate blood sugar levels.
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Under a microscope, some cells can appear to be between metaphase and anaphase (Figure 7). Explain this observation.
The observation of cells appearing to be between metaphase and anaphase under a microscope suggests a potential delay or disruption in the normal progression of cell division.
What is cell division?Cell division, also known as cell replication or cell reproduction, is the process by which a parent cell divides into two or more daughter cells. It is a vital process for growth, development, and tissue repair in organisms. The two main types of cell division are mitosis and meiosis.
In mitosis, a parent cell divides into two identical daughter cells, each containing the same number of chromosomes as the parent cell. The process involves several distinct phases, including prophase, metaphase, anaphase, and telophase. During metaphase, the chromosomes align at the equator of the cell.
Anaphase is the stage when the sister chromatids, which are the replicated chromosomes, separate and move towards opposite poles of the cell. This ensures that each daughter cell receives an equal set of chromosomes during cell division.
Observing cells that appear to be between metaphase and anaphase suggests a potential disruption or delay in the normal progression of cell division, possibly due to regulatory or structural abnormalities in the cell or its environment.
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Which period did the sheep numbers in the us stabilize due to 5-6 million due to ewe lab retention programs?.
During the period of 1996-2000 the sheep numbers in the US stabilize due to 5 - 6 million due to ewe lab retention programs.
What is ewe lab retention program and what period did the sheep numbers in the US stabilize due 5-6 million?EWE lab retention was a program initiated in US with the purpose of keeping the sheeps in care unit until they can breed.The lambs were given to people who were funded to keep the lambs in special units until they can breed .The lambs in the time period in the unit are feeded properly by the funding team .The period of 1996-2000, that is four years the sheep numbers in US were stabilized in 5-6 million and the reason was this initiated program named ewe retention program.Hence this program initiated for lambs proved helpful and the funded money to the one who provide units to the lambs .To know more about lambs visit:
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In the somatic cell of a mammalian female, one of the two x chromosomes is randomly inactivated and condensed, resulting in the formation of a.
In the somatic cell of a mammalian female, one of the two x chromosomes is randomly inactivated and condensed, resulting in the formation of a Barr body
What is Barr body?Male mammals are homogametic (XY), while female mammals are heterogametic (XY) (XX). Therefore, it would be reasonable to assume that females have a "double dose" of X chromosome gene products. In females, dosage compensation is accomplished by randomly inactivating one of the two X chromosomes. Females [right] and men [left] lack the darkly stained body connected to the nuclear membrane that is the heterochromosome X chromosome.
The heterochromatin X chromosomes are now known as Barr Bodies after Canadian cytogeneticist Dr. Murray L. Barr, who first saw the phenomena in cats, first characterized it. [The nucleoli, or other dark structures inside the nucleus, stand for repeated rDNA genes]
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a (n)blank inhibitor has a structure that is so similar to the substrate that it can bond to the enzyme just like the substrate.
Answer:
competitive inhibitor
Explanation:
hope it helps :)
What gametes will this genotype form: AaBbccDDEe
How many gametes will this genotype form: AaBbCCDDeeFfGGHhIIJj
Answer: 1)ABcDE ABcDe AbcDE AbcDe aBcDE aBcDe abcDE abcDe
Explanation:
1)ABcDE ABcDe AbcDE AbcDe aBcDE aBcDe abcDE abcDe
Please help me with this science assignment
Answer:
The answer is Heterozygous and heterozygous
Explanation:
This is because the parent genotypes are both Rr, there are two heterozygous parent genotypes. Homozygous is RR and rr where RR is homozygous dominant(capital letters aka dominant genes) while rr is homozygous recessive(lowercase letters aka recessive genes).
Explain why the area where subduction occurs between two plates is called a zone and not a boundary.
Subduction is when two plates clash along a convergent boundary, and one plate is forced beneath the other and back into the interior of the Earth.
What exactly is subduction zone?
It is a significant geological process that involves the tectonic plates.
Subduction Zones are where the cold oceanic lithosphere fall back into the mantle and get recycled. Meaning, a tectonic plates oceanic lithosphere meets another plate's less dense lithosphere and the heavier plate falls beneath the other plate and into the mantle. A subduction zone is the location where this process takes place.
The subduction zone is the reason for the formation of most of the Earth’s continental crust.
Therefore, they are boundaries of tectonic plates where one plate falls beneath the other. It is called subduction zone because this is where the process of subduction occurs. This process also results in hazards such as volcanic eruptions and earthquakes.
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Investigation Plan:
Students will gather more information on rock formation.
1. Read text below once with teacher.
2. Read it again
3. Take notes on main ideas and supporting details?
Mendel's Life
In 1865, Gregor Mendel published his work on the behavior of genes. Mendel lived in a monastery that was devoted to teaching and science as well as religious matters. Mendel had prepared to be a science teacher and had studied math, botany, and plant breeding for several years. The monastery had an experimental garden for agricultural research. Research then, as now, included cross breeding varieties of plants and animals in order to produce superior food and other products.
The main idea that was illustrated by Mendel is about inheritance.
What's was the excerpt about?In the 1800s, Gregor Mendel was an Austrian scientist, teacher, and Augustinian prelate. He is regarded as the father of modern genetics for his experiments on garden pea hybrids while living in a monastery.
Gregor Mendel published his research on gene behavior. Mendel lived in a monastery dedicated to teaching, science, and religious matters. Mendel had spent years studying math, botany, and plant breeding in order to become a science teacher. For agricultural research, the monastery had an experimental garden. Cross breeding varieties of plants and animals were used then, as it is now, to produce superior food and other products.
Gregor Mendel discovered the fundamental laws of inheritance while working on pea plants. He deduced that genes are inherited in pairs and as distinct units, one from each parent. Mendel studied the segregation of parental genes and how they manifested in offspring as dominant or recessive traits.
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What is DNA? a a type of molecule that performs the main functions of cells b a type of molecule composed mostly of amino acids c a type of molecule that speeds up the rate of a chemical reaction d a type of molecule that determines the traits that an individual inherits
Answer: I think its D, a type of molecule that determines the traits that an individual inherits
I think that's the answer
Hope this helps!
which of the following statements best helps explain the reaction specificity of an enzyme?
The free energy of the reactants is greater than the free energy of the products.
The equilibrium constant of the reaction is much greater than 1.
The shape and charge of the substrates are compatible with the active site of the enzyme.
The concentration of the enzyme inside living cells is greater than the concentration of substrate.
Answer:
C
Explanation:
The shape and charge of the substrates are compatible with the active site of the enzyme best helps explain the reaction specificity of an enzyme (Option C).
What is the active site of the enzyme?The active site of the enzyme is a specific domain in the protein that binds to the substrate in order to catalyze a chemical reaction.
Therefore, with this data, we can see that the active site of the enzyme is fundamental for the specificity of the enzyme since this site binds to the substrate.
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What’s the correct answer answer asap for brainlist
Place the statement in order of how they would occur in nature. Be thinking about natural selection.
Thinking about natural selection, the correct order of how they would occur in nature is:
1. Organisms produce more offspring than the environment can support
2. There is increased competition for resources
3. Some organisms do not survive. Those that survive are better suited to the environment.
5. Organisms that survive reproduce, sending their genes into the next generation.
What is natural selection?Natural selection is a theory presented by Charles Darwin in the book "The Origin of Species" written by himself. This theory tells us that evolution will occur through the individuals in the ecosystem that are more suitable for the conditions to which they are exposed, then these conditions will only favor a certain group and the group that is not adapted to these new conditions will not survive to.
Then the evolution will continue with the individuals who are more fit.
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All plant life cycles consist of an alternation of generations. What is the haploid stage of a plant life cycle called?.
Answer:
gametophyte
Explanation:
Alternation of generations means that plants alternate between two different life stages, or generations, in their life cycle; a haploid stage called gametophyte and a diploid stage called sporophyte.
Lactobacillus acidophilus has one ring-shaped chromosome. What is true for this
genome?
A. Genome is prokaryotic
B. Genome is eukaryotic
C. Genome contains histone proteins and basa
D. Genome has extensive spacer DNA
Lactobacillus acidophilus has one ring-shaped chromosome. Its Genome is prokaryotic.
The bacteria have been correctly remoted from a business yoghurt drink and identified as Lactobacillus acidophilus using gram staining, scanning electron microscope, motility, catalase and carbohydrate fermentation exams.
Lactobacilli are Gram-positive, catalase-poor, non-spore-forming, rod-shaped bacteria that produce lactic acid as the fundamental quit product of fermentation.
Lactobacillus acidophilus is a Gram-positive rod with rounded ends that arise as single cells, as well as in pairs or in short chains. The typical length is 0.6 to 0.9 μm in width and 1.5 to 6 μm in length. it is non flagellated, nonmotile and non spore-forming, and is intolerant to salt.
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Do you think risk assessment would be a better strategy for a prey animal than frequent vigilance? explain your reasoning.
Yes, the risk assessment would be a better strategy for a prey animal than frequent vigilance.
The prey would be aware of their surroundings and search for signs of risk, such as the presence of a predator when doing a risk assessment. When they see a risk, they become more alert so they can react to the threat.
On the other hand, persistent vigilance is when a prey animal is constantly on guard and ready for danger. Although risk assessment may increase an animal's likelihood of being eaten by a predator, it also saves a significant amount of energy by only making the prey aware of the danger when it is actually present.
Overall, prey animals who employ risk assessment will profit in comparison to those that use continual vigilance since the energy they save can be used for other activities like finding food or escaping a predator.
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"A 20-year-old is diagnosed with infectious mononucleosis (IM). Which of the following is one of the classic clinical manifestations?
a. Lymph node enlargement
b. Rash on the trunk and extremities
c. Edema in the area of the eyes
d. Hepatitis"
The following is one of the classic clinical manifestations is, Lymph node enlargement. Some mononucleosis symptoms include swollen lymph nodes, a painful throat, exhaustion, and headaches.
What is the most typical adverse effect of mono?Mono, often known as mono, is a viral infection that most frequently affects the neck and causes fever, sore throat, and enlarged lymph nodes. Some mononucleosis symptoms include swollen lymph nodes, a painful throat, exhaustion, and headaches. The classic clinical signs of infectious mononucleosis include the Indicators and symptoms of mono include:Fatigue.Sore throat that is possibly mistaken as having strep throat and does not improve after receiving antibiotic treatment.Fever.Lymph nodes in your neck and armpits that are swollen.Tonsil swellingHeadache.Skin rashes.Soft and enlarged spleen.To learn more about Mononucleosis refer to:
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Many proteins are used in protein synthesis to help generate the chemical reactions. What is the relationship between enzymes and activation energy?.
When an enzyme catalyzes a reaction it decreases the activation energy of the reaction.
Enzymes are biocatalysts. A catalyst lowers the activation energy of a reaction. The lower the activation energy of a reaction, the faster it will go. Therefore, enzymes speed up reactions by lowering their activation energy. Enzymes bind substrates at key points in their structures called active sites. They are usually very specific, binding only specific substrates for specific reactions.
Without enzymes, most metabolic reactions would take much longer and not be fast enough to sustain life. Enzymes are proteins and biochemical reactions occur by lowering the activation energy of a reaction It increases the possibilities and makes those reactions thousands or millions of times faster than without the catalyst. Enzymes are highly specific for their substrates.
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An unknown liquid sample is tested for chemical composition. You receive the following results: iodine test = purple/black; biuret test = purple; Benedict's test = blue; and paper lipid test = clear. Which of the following are present in this sample? (Select all that apply) Check All That Apply starch protein sugar lipids None of these are present.
The biomolecules that are present in this sample include starch, sugar and lipids.
When iodine test changes from brown to purple?When starch (a complex carbohydrate) is present in a sample, the iodine test changes from brown to purple. When sugar (a simple carbohydrate) is present in a sample, Benedict's test changes to green color.
When lipids (i.e., fat biomolecules) are present in a sample, the paper lipid test generates a greasy spot.In conclusion, the biomolecules that are present in this sample include starch, sugar and lipids.
Therefore, The biomolecules that are present in this sample include starch, sugar and lipids.
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Which statement bestexplains the effect an adaptation has on an organism?
It increases an organism's chance to survive.
It increases an organism's size and weight.
It decreases an organism's chance to reproduce.
It decreases an organism's ability to find food.
A trait that evolved and was selected by natural selection for its current function is known as an adaptation. Any hereditary traits that improve an organism's likelihood of survival benefit from adaptations. Option C is the appropriate response in this case.
In order to survive in their environment and function better under the conditions there, plants and animals have modified their physical characteristics or behaviours. The strongest and most advantageous traits or adaptations are handed on to the following generation, ensuring the survival of the plants or animals. Examples of adaptations include a camel's capacity for water storage, polar bears' use of their white fur to blend into the ice, and chameleons' capacity to change colour to evade predators. The process of change that occurs to animal and plant species over a long period of time, or how plant and animal species have evolved from one another, is known as evolution.
Therefore, we can conclude that adaptations aid any hereditary traits that improve an organism's chances of survival.
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What wavelength of light
radiation do chloroplasts
absorb to make into usable
energy?
A. Gamma rays
B. Visible light
C. X-rays
D. Cosmic rays
Answer:C
Explanation:
Answer: The answer is visible light
Explanation:
If people, on average, are more likely to remember that a male rather than a female is a fire fighter, this would be because.
If, on average, individuals are more likely to recall a male firefighter than a female, this is probably because men tend to reinforce gender preconceptions about firemen.
Why do you use the term "firefighters"?A firefighter is also frequently referred to as a "fireman."
Large organizations, businesses, and fire departments commonly employ their own fire fighters, whether they are paid workers or vetted volunteers.
Firefighters may be needed for HAZMAT search and rescue operations. The majority of firefighters have also been trained in first aid for medical crises. Firefighters with specialized training may deal with wildfires or constructions. A fire fighter is a quickly dispatched or trained somebody who extinguishes the fire using an extinguisher or other instruments.
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why did parasaurolophus become so dominant
Answer:The most distinctive feature of Parasaurolophus was the long, narrow, backward-curving crest that grew out of the back of its skull. Recently, a team of paleontologists computer-modeled this crest from various fossil specimens and fed it with a virtual blast of air.
Explanation:
How is a mature cell different from each new cell that it forms by cell
division?
A. The mature cell has different information in its nucleus.
B. The mature cell has a larger ratio of surface area to volume.
C. The mature cell has a smaller ratio of surface area to volume.
D. The mature cell has fewer chromosomes in its nucleus.
Answer:if i am not mistaking i think that the anwser is A
Explanation:
Can somebody help me answer these two questions
~Hi, So
Answer for 5:
The answer for 5 would be C. Nitrogen oxides and sulfur oxides.
Explanation:
Acid rain becomes the result when sulfur dioxide (SO2) and nitrogen oxides (NOX) are emitted into the atmosphere and transported by wind and air currents.
Answer for 6:
Precipitation that is more acidic than normal because of air pollution; caused by the emissions from power plant and factories that burn coal and oil. So then basically, precipitation collects the acidic particles and gases and becomes acidic.
Some effects:
Acid rain can land on statues, buildings, and other manmade structures, and damage their surfaces. Acid rain leaches aluminum from the soil. In result, the aluminum then may be harmful to plants and animals both. Acid rain removes minerals and nutrients from the soil that trees need to grow and this thereby lowers their fertility.I hope this helps!^^Answer:
For question 5.
C. Nitrogen oxides and sulfur oxides.
Explanation:
Give the other person brainliest!!!
Which action would have the greatest positive effect on the environment? A. Convincing many large companies to reduce their use of fossil fuels B. Using reusable plates instead of disposable foam plates C. Donating used clothes and home items to charitable organizations D. Organizing a beach cleanup day with friends and family
What is meant by a
mutualistic type of
symbiotic relationship?
A. One organism is unaffected.
B. Both organisms benefit. This
C. One organism is harmed.
B. Both organisms benefit.
Explanation:Symbiotic relationships are interactions between different species within an environment.
Mutualistic Relationships
Mutualistic relationships are interactions where both organisms are benefitted. One example is bees and flowers. In this relationship, the bees get food in the form of nectar and the flowers are pollinated by the bees. Both organisms are benefitted mutually; the bees can make honey and the flowers can reproduce.
Other Symbiotic Relationships
There are 2 other forms of symbiotic relationships. The first is commensalism: where one organism benefits but the other is unaffected. The other is parasitism: where one organism benefits and the other is harmed.
Which part of the brain contains the epithalamus, hypothalamus, and the thalamus?.
Diencephalon the brain contains the epithalamus, hypothalamus, and thalamus.
The diencephalon connects the midbrain to the forebrain. it's far placed deep in the mind and contains the epithalamus, thalamus, subthalamus, and hypothalamus. The diencephalon has also been known as the 'tweenbrain in older literature. It consists of structures that are on both aspects of the third ventricle, which include the thalamus, the hypothalamus, the epithalamus, and the subthalamus.
One of the thalamus' obligations is regulating the frame through sleep and wake cycles. The hypothalamus secretes hormones that control more than one features, which include body temperature, sleep, and thirst/starvation. One feature of the epithalamus is the law of melatonin secretion.
The most important vicinity of your mind is the forebrain (derived from the developmental prosencephalon), which incorporates the whole cerebrum and several systems at once nestled inside it - the thalamus, hypothalamus, pineal gland, and the limbic gadget.
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In the combined processes of glycolysis and cellular respiration, what is consumed and what is produced?.
Carbon dioxide is created and glucose is consumed during the combined processes of glycolysis and cellular respiration.
What does cellular respiration consume and produce?The metabolic process known as cellular respiration uses glucose to create adenosine triphosphate (ATP), an organic chemical the body can use as fuel. A single glucose molecule can generate a net of 30-32 ATP.
What byproducts of cellular respiration are produced?Cellular respiration creates carbon dioxide and water as byproducts. From your mitochondria, carbon dioxide is transferred out of your cell, to your red blood cells, and then back to your lungs for exhalation. During the process, ATP is produced.
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What is a food which contains one nutrient?
Food Science and Nutrition
Human milk is the only food that has all the nutrients people require.
Explain about the Nutrition?Eating a balanced, healthy diet is important for nutrition. You can get the energy and nutrients you need from food and beverages. You might find it simpler to choose healthier foods if you understand these nutrition concepts.
Healthy eating habits extend life and reduce the risk of significant health issues like heart disease, type 2 diabetes, and obesity. Healthy diet can aid in managing chronic diseases and preventing complications for those who have them.
A nutritious diet supports normal growth, development, and ageing, aids in maintaining a healthy body weight, lowers the chance of developing chronic diseases, and promotes healthy pregnancy outcomes, all of which contribute to overall health and wellbeing.
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