Which of the following is the best example of homeostasis? *
O Heart rate increases when a person exercises
O The chest cavity expands when the diaphragm contracts,
O The biceps muscle relaxes when the triceps muscle contracts,
O Digestive enzymes are secreted when food enters the stomach.

Answers

Answer 1

Answer:

Explanation:

Homeostasis' main job is to keep your body balanced, typically with variable factors such as temperature or enzyme amounts. Your heart rate increases to keep your blood pressure steady while you exercise. This way, you can have a relatively balanced blood pressure as you exhilarate yourself.

Related Questions

Write a three (3) paragragh response to this: "A realistic mutation that would greatly benefit the human
race would be..."
Describe the mutation or change and tell how it could happen and why it would be beneficial. The mutation must
be realistic and your response should be detailed, giving examples of the change(s) and whether it would all be
positive or if there could be negative situations, as well.

Answers

A potential realistic mutation that could greatly benefit the human race is an increased resistance to infectious diseases.

Realistic human mutation

One potential realistic mutation that could greatly benefit the human race is an increased resistance to infectious diseases. Such a mutation could occur through various mechanisms, including natural selection, genetic engineering, or epigenetic modifications.

This mutation would be beneficial because it would improve the health and well-being of individuals, reduce healthcare costs, and potentially prevent pandemics and global health crises. For example, a mutation that enhances the activity of immune cells or increases the expression of antimicrobial peptides could help individuals fight off infections more effectively and reduce the likelihood of spreading infectious diseases to others.

However, it is important to note that there could be potential negative consequences associated with this mutation. For instance, increased resistance to infectious diseases could lead to a reduction in the diversity of the human microbiome, which could have implications for overall health and immune function.

Additionally, it is possible that infectious agents could evolve in response to this mutation, potentially leading to the emergence of new and more virulent strains of pathogens. Therefore, it is important to consider the potential risks and benefits of any mutation carefully and to approach genetic engineering with caution.

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.
Select one of the following concerning Integrins that is not correct:
(a) are cell adhesion molecules that span the cell membrane
(b) serve as a gap junction between the outer membrane surface and its extracellular
Surroundings
(c) connect the inner membrane surface to the intracellular cytoskeletal scaffolding
(d) mechanically link the cell's external environment and intracellular components
(e) Integrins relay regulatory signals through the cell membrane in either direction
of the following is not correct concerning Fick's law of diffusion?

Answers

D I think I’m pretty sure

What are some of the differences between Eukaryotic and Prokaryotic gene expression? I need several answers.

Answers

Answer:

Prokaryotic

Nucleus is absent

Membrane-bound nucleus absent.

One chromosome is present, but not true chromosome plastids

Unicellular

Lysosomes and Peroxisomes absent

Microtubules absent

Endoplasmic reticulum absent

Mitochondria absent

Cytoskeleton absent

Ribosomes smaller

Vesicles present

Golgi apparatus absent

Chloroplasts absent; chlorophyll scattered in the cytoplasm

Submicroscopic in size Flagella is present and made up of only one fiber

Cell wall chemically complexed

Vacuoles absent

Permeability of Nuclear membrane is not present

Sexual reproduction is absent

Endocytosis and exocytosis are absent.

It may have pili and fimbriae.

Eukaryotic

Nucleus is present

Membrane-bound Nucleus is present.

More than one number of chromosomes is present.

Multicellular

Lysosomes and Peroxisomes present

Microtubules present

Endoplasmic reticulum present

Mitochondria present

Cytoskeleton present

Ribosomes larger

Vesicles present

Golgi apparatus present

Chloroplasts present in plants

Microscopic in size, membrane-bound

Cell wall is present in plants and fungi and chemically simpler

Vacuoles present

Permeability of Nuclear membrane is selective

Sexual reproduction is present

Endocytosis and exocytosis occurred

Pili and fimbriae are absent

A student squeezes a clothespin as rapidly as possible for one minute. Without stopping to rest, the student continues to squeeze the clothespin for a second minute. At the end of the second minute, the student’s fingers and hand feel very cramped and tired. The physical tiredness and cramping in the muscles in the student’s hand were most likely due to the increased production of

oxygen

ATP

Waste products

glucose

Answers

Answer: Waste products

Explanation:

Which sentence in the passage describes the benefits of sexual reproduction?
Match each step of the scientific method with its description.

Answers

Answer:

Asexual

Explanation:

Either an animal can be either asexual, or just sexual. Like an iguana theyre asexal which means they can bw bkth female/male.

Natalie's parents keep pushing her to find a job, but she has not had much luck. She spends her time searching the internet for work, but nothing
sounds interesting to her, so she rarely fills out an application. She has heard from friends that jobs are tough to find. When she did manage to get an
interview, she showed up half an hour late. Is a person-blame approach appropriate in this case?
OA. No, her friends are having trouble finding jobs as well.
B. Person-blame approaches rarely account for the full situation.
O
C. Yes, Natalie is not doing much to actually land a job.
O D. There is not enough information to determine the approach.

Answers

The truth is that B. Person-blame approaches rarely account for the full situation.

What is person - blame ?

Attributing all responsibility for Natalie's unemployment to her supposed lack of effort is flawed as it dismisses the existence of structural and systemic influences that could be integral to her present condition.

Therefore, it would not be a reasonable plan to adopt an approach that only fixates on holding Natalie accountable. A broader comprehension of the situation is required which takes into account multiple factors capable of contributing towards findings jobs in order to tackle this issue effectively.

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what is a kitchen garden??

Answers

Answer:

a garden or area where vegetables, fruit, or herbs are grown for domestic use.

Explanation:

please give brainlest

Answer:

well its usually by the window or under the cabinets with special red lights or artificial light spectrum lights to allow the plants to grow as if they were outside, that’s how we can grow plant on mars in a facility.

Explanation:

Help. It is due today

Answers

Answer: B

Explanation: tadpoles lack limbs and possess longtails, adult frogs on the other hand have two hind limbs and two fore limbs

recall the original source of energy for all ecosystems of organism on earth

Answers

Answer:

3.1 The Sun is the major source of energy for organisms and the ecosystems of which they are a part. Producers such as plants, algae, and cyanobacteria use the energy from sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through almost all food webs.

Explanation:

have a nice day.

choose the correct one, please

Answers

Answer:

I believe it is called mitosis

Explanation:

Which factor does not affect the apparent brightness of a star?

how far away the star is
how hot the star is
how big the star is
how old the star is

Answers

Answer:

how old the star is

Explanation:

There are many characteristics that affect the brightness of stars. If two stars are the same temperature, same age, and same distance from the Earth, the larger one will appear brighter. If the temperature, age, or size is different, the one closest to Earth will appear brighter, even if that is the smaller one.

In a prokaryotic cell, most ribosomes are

Answers

Answer:

They are roughly 40 percent protein and 60 percent rRNA.

Explanation:

I hope this helped:)

How can a change in DNA sequence result in a change in phenotype?

Answers

All mutations will result in a change in phenotype, regardless of whether the DNA sequence, amino acid sequence, or mRNA sequence altered.

How does your phenotype result from your DNA sequence?

An organism's hereditary genes determine its phenotype, or physical characteristics and behaviours. Genes are specific DNA sections that encode for the creation of proteins and specify unique features.

How is the phenotypic impacted by a Genetic change?

New phenotypes are rarely created. Mutations may be inherited and hence transmitted from one person to another. If a mutation produces a novel phenotype that makes an organism more suited to a certain environment, it can swiftly change the attributes of the individuals in a species.

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describe how impulse are transmitted across a synapse

Answers

A tiny electric message moves through a long part of a brain cell called the axon. When a message goes to the end of a nerve, it sends chemicals called neurotransmitters. These substances move through a tiny gap and attach to special parts of another nerve cell's outer covering.

What are the impulse?

Messages called impulses are sent from one nerve cell to another through a connection called a synapse. This process is called synaptic transmission. Synapses are connections between nerve cells or between nerve cells and other cells, like muscles or glands.

The neuron sending the signal is called the presynaptic neuron. When a signal travels down a nerve cell, it causes little sacs called vesicles to release chemicals called neurotransmitters.

Answers

The coding segments are called exons; the noncoding ones are called introns.

Thigmitropism is a plant growth response to _ . A. water B. touch C. light D. humidity

Answers

The answer is B touch

the answer is B. Touch

White a paragraph comparing the organices in a to the organs in your body.

Answers

Answer:

An organ is a part of the body of a living organism perform a specific role in the body such as the stomach, the liver and many more. Organelles on other hand are like organs of the cells that are contained in the cytoplasm of cell these also have a certain specialized roles to play for the cell, and they all depend on each other. The example of the organelles are nucleus, mitochondria and many more.

* Organelles are structures inside the cytoplasm of cells

* Organs are amde up of tissues composed of group of specialized cells that, has a particular role in the body

What are statistics?
A. multiple sets of data within an experiment
B. a way to analyze quantitative data with math
and determine if the results are due to chance
C. an opinion about the data of an experiment
D. the qualitative, non-numerical, data from an
experiment

Answers

The correct answer choice about statistics about the statement above is:

way to analyze quantitative data with math and determine if the results are due to chance. Option b is the correct answer choice

In order words, it describes the logical manipulation and analysis of data in a way analyze quantitative data with math and determine if the results are due to chance

What is statistics?

Statistics can simply be defined as the study of the evaluation, collection and manipulation of data

Be well informed that statistics is an interesting and important aspect of mathematics as it helps us in the evaluation, analysis and collection of data

Generally, statistics are characteristized by the following attributes:

They are most of the time numerically expressed. It can be compared to each otherStatistical data can be evaluated

So therefore, the correct answer choice about statistics about the statement above is:

way to analyze quantitative data with math and determine if the results are due to chance. Option b is the correct answer choice

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n
Question 4
1 pts
Cholesterol is made by the liver. It is a precursor to sex hormones and vitamin
D. It is also a part of our cell membranes. Cholesterol is
not an essential nutrient
an essential nutrient
O it depends on your medical conditions
O is essential to only vegans
Next >
< Previous

Answers

Answer: choice B

Explanation:

Cholesterol is an essential nutrient.

Despite many peoples beliefs that cholesterol is harmful, it's actually essential for your body to function. Cholesterol contributes to the membrane structure of every cell in your body. Your body also needs it to make hormones and vitamin D, as well as perform various other important functions. Excess amounts of dietry cholesterol intake can be harmful.

i need help with this please

Answers

Answer:

1st Activity = Cold Front

2nd= High Pressure with a Cold Front

Alligators in wetland regions normally
feed on animals such as shorebirds.
Shorebirds usually feed on small fish
and frogs to survive. Recently, scientists
released a large number of alligators

into a wetland region. Scientists expect
that as a result of this increase in the
alligator population, the population of
small fish and frogs will
A. remain about the same.
B. rapidly decrease.
C. become extinct.
D. notably increase.

Answers

Answer:

Explanation:

Increase

What is the main function of starch in plant?

Answers

Answer:

The main function of starch in a plant would be to store sugar molecules so they can be metabolized later.

Explanation:

I believe this is correct but if it's not then sorry. I tried lol good luck. :)

What is the chemical composition of Glycocalyx?
A) Sugar and protein
B) Lipid and sugar
C) Lipid and protein

Answers

The chemical composition of glycocalyx is sugar and protein.

What is the glycocalyx?

The envelope formed by glycoproteins, glycolipids and hyaluronic acid located in the cell membrane is known as glycocalyx. This component works as a mechanical cell protection thanks to its composition, it also allows cell adhesion and hormonal reception by giving it a suitable environment for this reception.

The glycocalyx is not only seen in eukaryotic cells, but also in prokaryotic cells or in bacterial cells. Each type of cell has its different conformation of the glycocalyx, this depends on its individual need.

Therefore, we can confirm that the chemical composition of glycocalyx is sugar and protein.

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SBI3C Culminating Task Part A (True or False) 10 marks Answer each question "true" or "false" 1. Polymers are made up from monomers /50 2. Both animal cells and plant cells have cell walls and cell membranes 3. Osmosis is the movement of a solution (ex. water) across a non-permeable membrane 4. Gregor Mendel is known as the father of genetics due to his studies using pea plants (pods). 5. In a strand of DNA, "G" always pairs with "C" and "A" always pairs with "T" 6. Meiosis is important for the reproductive process in humans 7. Bacteria can be harmful, but some types of bacteria can be helpful_ 8. Inflammation and fever are part of your body's defense system against infection 9. You have more white blood cells than red blood cells 10. The heart pumps "oxygenated" blood to the lungs through the pulmonary system

Answers

Answer:

1= yes
2= no
3=no
4=yes
5= unsure
6= yes
7=yes
8=yes
9= no
10=yes

Explanation:

Which nutrient provide us instant energy?

Answers

Explanation:

The three main nutrients used for energy are carbohydrates, protein, and fats, with carbohydrates being the most important source. Your body can also use protein and fats for energy when carbs have been depleted. When you eat, your body breaks down nutrients into smaller components and absorbs them to use as fuel.

Intestinal epithelial cells are used as an example of a cell with distinctly localized transmembrane proteins. What strategy/structure prevents Na /Glucose symporters from laterally diffusing from the apical side to the lateral or basal sides of the cell

Answers

Answer:

Explanation:

Glucose/Na symporters cannot diffuse across from the apical side to the lateral or basal sides because of the lipid bilayer (the hydrophobic tail/part will prevent it from crossing). However, a facilitated diffusion approach is "endorsed" here, a specialized carrier protein called glucose or sodium transporter is used to transfer/diffuse the glucose or sodium to the basal side of the cell.

NOTE: These lipid bilayers are present in the cell membrane and are actually responsible for the selective nature of what goes in or out of the cell. The bilayer consists of the hydrophilic head and the hydrophobic tail.

What was one weakness of Darwin's theory?
a. It lacked an explanation for adaptations.
b. It lacked an explanation for competition.
c. It lacked an explanation for how evolution occurs.
d. It lacked an explanation for the genetic inheritance of traits.

Answers

One weakness of Darwin's theory was that it lacked an explanation for how evolution occurs and is therefore denoted as option C.

What is Evolution?

This is referred to as the change in the heritable characteristics of biological populations over successive generations and makes organisms better suited for their ever changing envrironment.

Darwin's theory of evolution on the other hand describes how organisms evolve over generations through the inheritance of physical or behavioral traits but lacked an explanation for how it occurs and it was termed the theory of evolution by natural selection.

It had an explanation about adaptations, competition and genetic inheritance of traits which is the treason why option C was chosen as the correct choice.

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how does grass affect the movement of water?

Answers

Answer:

Even turf grass lawns restrict water flow into the ground and actually become nearly as impervious as paved surfaces because of turf grass’s densely-matted root structure. During and after a rainstorm, water rushing off impervious surfaces can be significant. This water is called runof

How is the sycamore seed suited to its method of dispersal

Answers

Answer:

Sycamore seed is usually light in weight and have wings like feathers that enable them to easily be transported for a long distance by wind

Explanation:

Am l hope it is correct ❤️❤️❤️

matching in the picture please help

Answers

Answer:

Explanation:

nucleus is center of atom

proton is positively charged particle in nucleus

electron is negatively charged particle in nucleus

atoms are tiny things that all matter is made up of.

neutron is a neutral particle

molecule is a group of combined atoms

element is a material that is made up of one kind of atom.

radioactive is giving away particles

shell is a level in which electrons orbit .

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Which of the following is the best example of homeostasis? * O Heart rate increases when a person exercises O The chest cavity expands when the diaphragm contracts, O The biceps muscle relaxes when the triceps muscle contracts, O Digestive enzymes are secreted when food enters the stomach.

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Which of the following is the best example of homeostasis? *
O Heart rate increases when a person exercises
O The chest cavity expands when the diaphragm contracts,
O The biceps muscle relaxes when the triceps muscle contracts,
O Digestive enzymes are secreted when food enters the stomach.