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VARVARA [1.3K]
3 years ago
9

* Homologous chromosomes are pairs of chromosomes with

Biology
1 answer:
Alisiya [41]3 years ago
5 0

Answer:

Identical genes

Explanation:

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The age of the universe is measured in 10 to 20
melamori03 [73]
4.6 or 4.7 billion years
6 0
3 years ago
When glucose levels in the blood increase after eating a meal, the pancreas secretes insulin to lower blood glucose levels back
Vladimir79 [104]

Answer:

This hormonal control of blood glucose levels is an examples of negative feedback response.

Explanation:

The blood glucose concentration maintain their concentration through negative feedback mechanisms.Alpha and beta cell present in pancreas. Alpha and beta cell  produced insulin and glucagon which act as a antagonistic hormones and control blood glucose level.

Insulin is secreted by beta cell.Beta cell secreted insulin when glucose level increased in the blood.Insulin helps to stimulate  liver to absorb glucose.Liver convert glucose to glycogen and adipose cells convert the glucose to the fat.In response, glucose concentration decreases in the blood, and insulin secretion discontinues (through negative feedback from declining levels of glucose)

Glucagon is secreted by alpha cells. when the concentration of blood glucose level drops then alpha cells secrete glucagon into the blood.Glucagon stimulates the liver for release of glucose. When blood glucose levels return to normal then glucagon secretion stopped.Its a negative feedback response.

4 0
3 years ago
The most important factor(s) which limit(s) the number of animals that can live in a biome is/are:
Molodets [167]

The most important factor(s) which limit the number of animals that can live in a biome is/are:

A. types of plants

B. quantity of plants

C. number of small animals

D. type of predators

7 0
2 years ago
Read 2 more answers
The diagram represents part of a plant cell. Identify the name of the location in the plant cell
konstantin123 [22]

Answer:

The <u>stroma</u> within the chloroplast

<u />

Explanation:

Chloroplasts are membrane-bound organelles  in plants. They comprise many invaginations of a plasma membrane called a thykaloid membrane. This includes chlorophyll pigments in layers called granum, whereas the internal spaces of the organelle are called lumens. Fluid surrounds the granum, and forms the stroma; here, all metabolic reactions within the chloroplast occur- <u>including CO2 fixation.</u>

Photosynthesis, involves the conversion of energy from photons or light particles and water, starting in the thykaloids; here, the pigments like chlorophyll, which is essential to photosynthesis, reside.

6CO2 + 6H20 + (energy) → C6H12O6 + 6O2

Carbon dioxide + water + energy= glucose + oxygen

4 0
3 years ago
Which pair of scientists put their ideas together to create the initial Cell Theory?
Jlenok [28]
Shleiden and Theodor Schwann were the first to recognize that all plants and animals are composed of cells.

Hope this helped :)
6 0
3 years ago
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