What helps to regulate homeostasis?
Cell Membrane
Nucleus
Ribosomes
Cytoplasm

Answer:

1. True

2. True

3. True

4. False

5. False

6. True

7. False

8. False

The correct options for the statements are:

1. True

2. True

3. True

4. False

5. False

6. True

7. False

8. False

Cells are the smallest and basic unit of life. They are made up of carbohydrates, fats, and protein. They form all life forms. Furthermore, they joined together to create an organism. The cells form tissues and tissue forms organs and organs form the organ system.

The many cell types are listed along with their characteristics and roles. Cells of numerous types are found in different kinds of organisms. They are multicellular and single-celled organisms. Eukaryotic cells are completely developed, whereas prokaryotic cells are young or primitive.

Thus, the correct options are:

1. True, 2. True, 3. True, 4. False, 5. False, 6. True, 7. False, and 8. False.

To learn more about cells, refer to the link:

https://brainly.com/question/5763151

#SPJ2

Answer:

D

Explanation:

Genetic recombination can be due to crossing over (which only occurs during meiosis). Genetic recombination is basically combinations of alleles that the parents don't have and because they are different from the parents, it leads to increased genetic variation.

The digestive system of Platyhelminthes is branched and incomplete, with the mouth serving also as an excretory pore.

Cestodes like the tapeworms have tiny projections throughout the body surface known as microvilli which increase the surface area and promote the absorption of nutrients from the host.

Phylum Platyhelminthes includes the flatworms which are acoelomate, i.e. do not have a coelom or body cavity. Most flatworms are parasitic in nature and derive their nutrition from a host. These types of worms (cestodes) possess tiny projections called microvilli that are present all over the body surface since they lack a digestive system.

To learn more about Platyhelminthes here

https://brainly.com/question/4357120

#SPJ4

Lower motor neurons are the primary component of the nervous system that directly control and innervate skeletal muscle.

Lower motor neurons are part of the peripheral nervous system, which is made up of nerve pathways that branch off from the central nervous system and extend to the limbs, organs, and glands of the body.

The lower motor neurons connect to the effector muscles, such as the skeletal muscle, and allow them to receive signals from the brain and spinal cord. These signals are then converted into electrical impulses, which cause the muscles to contract and relax in order to produce movement. The lower motor neurons are essential for the body to respond to external stimuli and maintain proper posture, as they are responsible for transmitting the signals from the brain to the skeletal muscle.

know more about Lower motor neurons here

https://brainly.com/question/29694659#

#SPJ11

Answer:

False

Explanation: I took the test. It is false eelgrass has long leaves.

Answer:

false

Explanation:

Answer:Cells use fat and starch for long term energy storage instead of ATP molecules because it is hard to breakdown fat in a very short time while ATP can be broken down in a very short time. ATP is mainly used while doing short bursts of exercises. Fats have a very strong bond of molecular chains and this makes it hard to breakdown quickly.

Explanation:

Answer:

ATP is used for short-term energy and to build molecules of starch and fat.

Answer:

During metaphase, all of the chromosomes are aligned in a plane called the metaphase plate, or the equatorial plane, midway between the two poles of the cell. The sister chromatids are still tightly attached to each other.

Explanation:

hope this helps :0

None of them: all three conditions / assumptions are necessary. So correct option is B

One-way ANOVA F test is used to compare means of two or more independent groups. This is a hypothesis test in which we are comparing population means for several groups. The null hypothesis for this test is that the means of all the groups are equal. This implies that the differences in the sample means are due to chance or sampling error.

There are three basic assumptions of the ANOVA F test, they are:Independent random samplesNormally distributed data or large enough combined sample size. Populations that have the same standard deviation sigma or similar sample standard deviations.

Option (b) is the answer because all three conditions / assumptions are necessary. It is essential to have all three assumptions/conditions satisfied for the validity of the F test. If any one of these assumptions is not satisfied, then the results of the F test will not be reliable.

Know more about ANOVA F test  here:

https://brainly.com/question/24157862

#SPJ11

Answer:

there would be more food for the foxes so their population would increase

So it's the first one

Some people may believe in the fixity of life and the fixity of Earth for a variety of reasons, including religious or philosophical beliefs, lack of exposure to scientific evidence, or a mistrust of scientific explanations.

Many religious beliefs hold that life and the Earth were created by a higher power and that they remain unchanging, thus making the fixity of life and the Earth an integral part of those beliefs.

Some people may be resistant to accepting the idea of evolution because it challenges their existing beliefs or understanding of the world.

Some people may have had little exposure to scientific evidence and theories, and they may not have been exposed to the evidence that supports the idea of evolution.

Some people may have mistrust of science, and they may be skeptical of scientific explanations, particularly those that challenge their existing beliefs or understanding of the world.

People may also believe in the fixity of life and the fixity of Earth because of lack of understanding of the scientific concepts and evidence behind the idea of evolution and the processes that shape the Earth and life.

The answer is A

The cell with the greatest surface area-to-volume ratio would be the smallest cell because as the size of the cell increases, its volume grows faster than its surface area.

Bacterium since bacteria are unicellular organisms and are typically much smaller than the other options listed.

Bacteria have a high surface area-to-volume ratio, which allows for efficient exchange of nutrients and wastes across their cell membranes despite their small size.

Frog and ostrich eggs are both much larger than a bacterium, and human red blood cells, while small, are larger than most bacteria.

To know more about area-to-volume refer here

https://brainly.com/question/7071992#

#SPJ11

Answer:

c. The regulation of genes is directly controlled by the nervous system.

Explanation:

C.The regulation of genes is directly controlled by the nervous system.

Thus, the correct answer is C.

Learn more :

https://brainly.com/question/18549453?referrer=searchResults

Slash and burn agriculture, also known as swidden farming, is an ancient practice of clearing land for cultivation. In this method, land is cleared of vegetation by burning or cutting down trees and shrubs before planting crops.

This technique is used primarily in tropical and sub-tropical areas and by people living in subsistence economies. Slash and burn farming is considered a primitive, primitive form of farming as it is labor intensive and inefficient. It can also cause significant soil depletion over time. The lack of proper nutrients, pest problems, and weeds make it difficult to produce adequate yields of high-quality crops.

On the flip side, this technique of farming can reduce the amount of labor needed to prepare land for cultivation, as small patches can be cleared in a few hours or even minutes.

Also, it improves soil fertility for a few years which is beneficial in tropical regions, where nutrients are scarce. In summary, slash and burn farming is an ancient practice that is used primarily in tropical and sub-tropical areas, but its drawbacks are the difficulty of producing adequate crops and soil depletion over time.

know more about Slash and burn agriculture here

https://brainly.com/question/13207643#

#SPJ11

Correct question is :

a practice of clearing land for cultivation; also called swidden farming. explain.

The splint will burst into flame would be expected to happen to the glowing wooden splint inserted into the test tube with gas from the Cobomba plant.

When exposed to sufficient light, the pond weed Cobomba will start to create bubbles of oxygen-containing gas when submerged in a solution of sodium hydrogen carbonate.

Gas is created when layers of rotting plants and animals are exposed to extremely high temperatures from the Earth and pressure from rocks. The natural material was transformed into coal, petroleum, and natural gas by all this pressure, heat, and time over millions of years.

In the electrolytic breakdown of water, oxygen, and hydrogen build up on the anode and cathode, respectively. To check for each, use a wooden splint.

To learn more about Splint visit: https://brainly.com/question/28059066

#SPJ1

Answer:

homie got dirt

Explanation:

The correct sequence that lists the density of voltage gated sodium channels from lowest to highest is option B, that is, Axon terminal, hillock, internode.

The density of voltage-gated ion channels in different regions of a neuron's axon depends on the function of that area. Voltage-gated channels are proteins that form ion channels that open or close in response to changes in the electric potential of the membrane in which they are embedded. Sodium and potassium ion channels, for example, are two forms of voltage-gated ion channels. They regulate the membrane potential of neurons by allowing these ions to enter or leave the cell, causing a depolarization or repolarization of the membrane.

To learn more about sodium channels

https://brainly.com/question/30617555

#SPJ11

Answer:

Description: through a series of reactions, into the secondary pollutants nitric acid and sulfuric acid.

The charged, phosphate end of a membrane phospholipid is hydrophilic.

This means that it is attracted to water and will orient itself in the cell membrane so that it is facing the aqueous environment. The phosphate group is negatively charged, which makes it polar and hydrophilic.

The other end of the phospholipid molecule, the fatty acid tails, are hydrophobic. This means that they are repelled by water and will orient themselves in the cell membrane so that they are facing away from the aqueous environment. The fatty acid tails are nonpolar and hydrophobic because they are made up of long chains of carbon atoms that are not bonded to any oxygen atoms.

The hydrophilic and hydrophobic ends of the phospholipid molecule are what allow cell membranes to form. The hydrophilic ends of the phospholipid molecules are attracted to each other, and the hydrophobic ends of the phospholipid molecules are attracted to each other. This creates a bilayer structure, with the hydrophilic ends facing the aqueous environment and the hydrophobic ends facing each other.

The cell membrane is a very important part of the cell. It protects the cell from its environment, and it allows the cell to transport nutrients and waste products. The phospholipid bilayer is essential for the formation of the cell membrane.

To learn more about phospholipids, here

https://brainly.com/question/30414447

#SPJ4

The three waves of evolution are key concepts in understanding the process of evolution. The first wave, known as the Darwinian wave, was sparked by the work of Charles Darwin and his theory of natural selection.

Darwinian wave is focused on the concept of survival of the fittest, where individuals with the most advantageous traits are more likely to survive and pass on their genes to future generations. The second wave, the civilization wave, is focused on the cultural and technological evolution of human societies. This wave began with the development of agriculture and has continued through the Industrial Revolution and beyond. It is marked by the development of tools, machines, and other innovations that have allowed us to improve our quality of life and expand our influence on the planet.The third wave, known as the directed wave, is focused on the idea of conscious evolution, where humans are no longer subject to the forces of natural selection and can instead direct their own evolution through genetic engineering and other technologies. This wave has yet to fully manifest, but it represents a significant shift in our understanding of the evolution of life on Earth.

learn more about evolution refer: https://brainly.com/question/30893161

#SPJ11

Answer:

2.  Compound

3. Compound-complex

4. Simple

5.Compound

6. Simple

7. Compound-complex

8.Complex

9.Simple

10.Compound-complex

11. Simple

12. Compound

Explanation:

Answer:

i dont understand

Explanation:

please elaborate on the question..........

Answer:

2.carbon nanotubes for stain resistant clothes

Explanation:

Answer:

carbon nanotubes for stain resistant clothes

Explanation:

Nanotubes are fibers created at the nano scale and can be designed to have special properties of stain resistance.

Answer:

1.LONG LEGS TO KEEP AWAY FROM THE LAND BECAUSE ITS REALLY HOT

2. SHORT FUR OR FEATHERS

3. LIGHT COLORED COATS TO KEEP THE SUN FROM REFLECTING OFF OF YOU SO THAT YOU AREN'T HOT

Scientists have effectively utilized biotechnology to enhance the production of insulin for diabetics. By inserting the human gene of insulin into bacteria.

The correct answer is option D.

Insulin is a hormone produced by the pancreas that regulates glucose levels in the body. Individuals with diabetes either do not produce enough insulin or cannot effectively utilize it. Biotechnology has revolutionized the production of insulin by introducing recombinant DNA technology.

The process involves inserting the human gene responsible for producing insulin into bacteria, such as Escherichia coli. These bacteria act as "factories" for insulin production. The human insulin gene is inserted into the bacterial DNA, allowing the bacteria to synthesize insulin that is identical to human insulin.

The procedure begins by isolating the human gene for insulin and inserting it into a plasmid, a small circular DNA molecule. The plasmid is then transferred into the bacteria, which replicate and express the insulin gene, resulting in the production of insulin molecules. The bacteria can be cultured on a large scale, providing a continuous supply of insulin.

This biotechnological approach has several advantages. First, it allows for the production of large quantities of insulin in a cost-effective manner. Second, the recombinant insulin produced is identical to human insulin, reducing the risk of adverse reactions in diabetic patients. Third, the process can be optimized and controlled, ensuring consistent and reliable insulin production.

This breakthrough in biotechnology has significantly improved the availability and accessibility of insulin for diabetics worldwide. It has reduced dependence on animal sources for insulin production, eliminated shortages, and provided a safer and more efficient means of insulin supply.

In summary, scientists have utilized biotechnology by inserting the human insulin gene into bacteria, enabling them to produce large quantities of identical insulin molecules. This approach has revolutionized insulin production, ensuring a steady supply of insulin for diabetics and improving their overall management of the condition.

For more such information on: biotechnology

https://brainly.com/question/29703343

#SPJ8

The statement "Nutritional genomics helps us understand the differences in the immune response of nonidentical twins" is true.

Nutritional genomics, also known as nutrigenomics, is a field of study that investigates the interactions between genetics, nutrition, and health. It examines how individual genetic variations can influence an individual's response to nutrients and how these interactions can impact health outcomes.

Nonidentical twins, also known as fraternal twins, share approximately 50% of their genetic material, just like any siblings. However, they can still have distinct genetic differences that may influence their immune response.

Nutritional genomics can help in understanding these genetic variations and how they may contribute to differences in immune responses between nonidentical twins. By studying the genetic profiles and analyzing how specific nutrients affect gene expression and immune function, researchers can gain insights into the role of genetics in immune response variability.

To know more about the Nutritional genomics refer here :

https://brainly.com/question/9132106#

#SPJ11

Bread mold tends to grow on the top layer of bread rather than the lower layer due to the following factors:

1) Exposure to air: The top layer of the bread is exposed to the surrounding air, providing a suitable environment for mold spores to settle and germinate. Mold spores are ubiquitous in the environment and can easily land on the bread's surface. The presence of oxygen in the air further supports the growth of mold.

2) Moisture and humidity: Moisture plays a crucial role in mold growth. The top layer of the bread is more exposed to air circulation, which allows moisture to evaporate faster compared to the lower layer. This relatively drier environment on the lower layer creates unfavorable conditions for mold spores to germinate and thrive.

3) Nutrient availability: Mold requires nutrients to grow, and bread provides a suitable source of carbohydrates. As the bread's moisture evaporates from the top layer, it concentrates the nutrients in that region, making it more favorable for mold growth.

4) Temperature: Mold thrives in temperatures that are within a certain range. The top layer of bread, being closer to the air, is more likely to experience temperature fluctuations, which can promote mold growth.

Learn more about Bread mould here

https://brainly.com/question/1048984

#SPJ11

Answer:

Lipids

Explanation:

Lipids include fats, waxes, oils, steroids, and more.