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irga5000 [103]
2 years ago
11

Why is variety in crop plants important for food security?

Biology
1 answer:
aev [14]2 years ago
4 0

Answer:

Disease and Famine

Explanation:

If there is a disease that affects a type of plant, having other types of crops to rely on could save one from starvation. Also, only planting one crop in an area can change the pH and nitrogen levels in negative ways, so that eventually no plants can grow there. Not to mention the obvious balanced diet needed for a healthy body.

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Dynamic regulation is required for maintaining homeostasis.Explain how a cellular mechanism that regulates the quantity of a bio
Troyanec [42]

The homeostasis of the human body works like a machine set at a particular standard. If the factors deviate from the standard values, the homeostatic mechanism come into action.

For example, if a cell requires certain protein, the respective genes get a signal and get activated. The cell start synthesizing the protein and when sufficient amount is made, there is a feedback loop, which allows the same protein to stop the synthesis as well. A lot of organs and cellular systems are involved in regulating the synthesis of this protein.

This is similar to the cooling system. If we set the temperature of the cooling system to certain degree, it will start cooling the room till the required temperature is reached. As soon as the temperature is acquired, the system cut-off automatically and the required temperature is maintained.

8 0
3 years ago
Bacteria do not contain a nucleus. Explain how they can function without it.
STALIN [3.7K]

Answer:

As bactérias não contêm um núcleo. Explique como eles podem funcionar sem ele.

Explanation:

espero ter ajudado boa noite

5 0
3 years ago
Using this passage, fill in the blank with either G1, G2, or G3. (1) All dogs are mammals. (2) All mammals are things with hair.
AleksandrR [38]

Answer:

Given the values for G1, G2, and G3, the blank spaces are filled below.

Explanation:

Assuming that

G1 = dogs

G2 = mammals

G3 = things with hair

Then

(A) All <u>G1</u> are <u>G2</u>

(B) All <u>G2</u> are <u>G3</u>

(C) Therefore, all <u>G1</u> are <u>G3</u>

8 0
3 years ago
Epinephrine acts as a signal molecules that attaches to ____ proteins.
tia_tia [17]

Answer:

G-protein-linked receptor

Explanation:

Epinephrine acts via G-protein-linked receptors. The heterotrimeric G proteins located within the cell are activated by G protein-coupled receptors that span the cell membrane. Signaling molecules bind to a domain on the GPCR located outside the cell, and an intracellular GPCR domain then in turn activates a particular G protein.

7 0
3 years ago
A student was injured in an accident which caused the Renal Artery to fail. A matching organ donor was unavailable, and as their
Vesnalui [34]

Answer:

harvest body

Explanation:

7 0
3 years ago
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