Which of the following are forms of cell regulation?

Answer:

Explanation:

Answer:

the sodium concentration is higher outside the cell than inside the cell and the potassium concentration is higher inside the cell than outside the cell.

Explanation:

In a neuron, sodium and potassium concentrations are maintained by the sodium-potassium exchange pump such that the sodium concentration is higher outside the cell than inside the cell and the potassium concentration is higher inside the cell than outside the cell.

The sodium potassium pump contributes to the maintenance of osmotic equilibrium and membrane potential in cells. Sodium and potassium move in the contrast way of the concentration gradients.

The Na+ K+-ATPase pump establish and maintain a gradient of higher sodium concentrations extracellularly and higher potassium levels intracellularly.

The sodium-potassium pump is critical to the proper functioning of neurons. It aids in the maintenance of ionic concentrations both inside and outside the cell, allowing neurons to fire action potentials, which is the basis for electrical signaling within neurons.

The sodium-potassium exchange pump maintains sodium and potassium concentrations in neurons so that the sodium concentration is higher outside the cell than inside the cell and the potassium concentration is higher inside the cell than outside the cell.

Thus, this way, sodium and potassium concentrations are maintained by the sodium-potassium exchange pump in a neuron.

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Answer:

- cell wall -

Explanation:

The answer is a cell wall because the cell wall in a plant acts as a 'skeletal system'.

So tell yourself does, an animal that already has a skeleton, need the cell wall?!

NO! It dan't! That's why animals don't have the cell walls and plants do.

!!! Hoped that helped !!!

When comparing plant cells to animal cells, cell wall is only present in plant cells. The correct option is D.

A cell wall is a structural layer found just outside the cell membrane that surrounds some types of cells.

It can be tough, flexible, and rigid at times. It provides structural support and protection to the cell, as well as acting as a filtering mechanism.

The cell wall is made up of a network of cellulose microfibrils and cross-linking glycans embedded in a matrix of pectin polysaccharides that is highly cross-linked. Lignin can be found in secondary cell walls.

It provides a structural framework for plant growth and serves as the plant's first line of defense against pathogens.

The cell wall must also retain some flexibility so that it can be rapidly remodeled in response to developmental, biotic, or abiotic stimuli.

Thus, the correct option is D.

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Answer:

Ependymal cells

Explanation:

Ependymal cells line the spinal cord and ventricles of the brain. They are involved in creating cerebrospinal fluid

Answer:

Chemical digestion is a vital part of the digestive process. Without it, your body wouldn't be able to absorb nutrients from the foods you eat. While mechanical digestion involves physical movements, such as chewing and muscle contractions, chemical digestion uses enzymes to break down food.

Answer:

Root,stem,Leaf and flower

Answer:

Plants are made up of organs, including roots, leaves, the stem and reproductive organs.

Each organ has its own functions.

Together, the organs of a plant allow it to carry out the seven processes of life.

Explanation:

The group of similar cells which work together to perform a particular function is called a tissue....

You may take help from the attachment....

Answer:

water then carbon diaxide  and oxygen

Explanation:

Answer:

Light energy + Water + Carbon Dioxide to leaf to sugar + Oxygen

Explanation:

This is called photosynthesis. Hope it helps

Answer:

c. Bronchioles

Explanation: is correct. post protected

Answer: 3 Sub classes wingless insects known as apterygota and winged insects known as pterygota

Explanation:

Answer:

Bioindicators are species, groups of species or biological communities whose presence, abundance and biological conditions, in real ecosystems or through the use of laboratory toxicity tests, to make inferences about the quality of the environment.

DNA replication is a process where the polymerase enzyme adds complementary nucleotide bases in the parent DNA strand, hence option h polymerase matches adenine to thymine is correct.

The process by which a double-stranded DNA molecule is duplicated to form two identical DNA molecules is known as DNA replication.

Replication is necessary because when a cell splits, the two new daughter cells must have the same genetic information, or DNA, as the parent cell. In vitro DNA replication (DNA amplification) is also possible (artificially, outside a cell).

To begin DNA synthesis at known sequences in a template DNA molecule, DNA polymerases isolated from cells and artificial DNA primers can be utilized.

Therefore complementary base pairing of nucleotide base pairing, hence option h is correct.

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Answer:

in the explanation

Explanation:

The independent variable would be us humans polutling the ocean with oil and other plastics destroying the coral reefs. The dependant variable is an abbrasive species of fish becoming overpopulated and killing all the fish that help the coral grow causing the coral to die. (independant variable basically means humans tampering with it causing the problem. dependent is naturally occuring humans cant control whether a fish overpopluates or not thats natural)

Answer:

Because molecules are moving from an area of low concentration to an area of higher concentration and thats require energy

Answer:

Metastases most commonly develop when cancer cells break away from the main tumor and enter the bloodstream or lymphatic system. These systems carry fluids around the body.

Explanation:

In metastasis, cancer cells break away from where they first formed, travel through the blood or lymph system, and form new tumors in other parts of the body.

Answer: A

Explanation:

It varies but "A" is the most legitimate answer.

Answer:

(A) Birds are endothermic and have four-chambered hearts, while reptiles are ectothermic and have three-chambered hearts.

Explanation:

got it right on the test

Birds and reptiles both belong to the animal kingdom. Reptiles are ectothermic and have three-chambered hearts, whereas birds are endothermic and have four-chambered hearts. Thus, option A is correct.

Birds and reptiles both belong to the kingdom Animalia and are chordates. They both have vertebral columns and the presence of the backbone. They share many similarities and differences in their physical appearances.

The birds are endothermic and can maintain constant body tempearture regardless of the external environment. While reptiles are ectothermic (cold-blooded) and regulate their temperature based on the external environment.

The birds have four-chambered hearts like mammals that separate the oxygenated from the de-oxygenated blood, whereas the reptiles have three-chambered hearts with one ventricle and two atria.

Therefore, the birds are endothermic, and reptiles are ectothermic.

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Answer:

El 14 de agosto de 2021, un terremoto de magnitud 7,2 sacudió Haití. El terremoto más grande en la región desde 2010, el desastre dejó al menos 2,000 personas muertas, 12,000 personas heridas y casi 53,000 casas destruidas.

Answer:

Many of the millions of organisms that live in the soil, including bacteria, fungi, insects, and earthworms, are known as decomposers. They live on the remains of dead plants and animals and break down these organic remains into simple chemicals that are released into the soil.

Explanation:

Answer:

Scientists did not know how traits were inherited.

Explanation:

I think the answer to this is true, but I'm not really for sure

Answer:

we called them capilary

Answer:

Capillaries

Explanation:

Capillaries are tiny blood vessels which transport absorbed nutrients, blood, and oxygen to all cells in the human body. They also connect arteries and veins together.

Answer: Sam is correct

Explanation:

Ponds use microrganisms

So pretty much that’s why it isn’t safe to drink since it has germs

Answer:

Amino acids are the basic building blocks of proteins, and they serve as the nitrogenous backbones for compounds like neurotransmitters and hormones. In chemistry, an amino acid is an organic compound that contains both an amino (-NH2) and carboxylic acid (-COOH) functional group, hence the name amino acid. Proteins are long chains or polymers of a specific type of amino acid known as an alpha-amino acid. Alpha-amino acids are unique because the amino and carboxylic acid functional groups are separated by only one carbon atom, which is usually a chiral carbon. In this article, we will solely focus on the alpha-amino acids that make up proteins

Explanation:

I hope i helped

Answer:

jumana leave her country to Canada for a better life

Jumana came to Canada for better life and buy new house for herself.

Situation is defined as the circumstances and collection of events that are present at a specific time and location. Situation can be used to refer to what is happening to you personally or broadly to what is happening at a specific location and time. Briefly describe the issue or task you managed, providing pertinent information as necessary. Action: Describe the steps you took to finish your assignment or find a solution.

Many immigrants from throughout the world live in Canada. Canada continues to draw a lot of immigrants due to its stunning natural surroundings, vast open areas, mountains, trees, and lakes. a free society with a Charter of Rights and Freedoms that outlines fundamental human rights.

Thus, Jumana came to Canada for better life and buy new house for herself.

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Answer:

allele is the best answer there

Answer:

I understand you probaly don't need this answer anymore but the correct answer is Karyotype.

Explanation: