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julia-pushkina [17]
3 years ago
12

The term chemicals in this diagram represents

Biology
1 answer:
____ [38]3 years ago
7 0

Answer:

C. hormone molecules

Explanation:

hormones are secreted in glands and are transported to the organs where they affect it and cause changes.

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As a population grows past the ecosystem's ______ the size of the population will _____ until the size of the population stabili
ch4aika [34]

Answer:

carrying capacity , increase

Explanation:

Up to the the population carrying capacity the the population will increase to give a perfect balance and when the population will be much then the population will decrease.

6 0
3 years ago
Which of the following statements about plant cell walls is true?
Leya [2.2K]

Answer:

<h2>A </h2>

Explanation:

1. The cell is present in some type of cells. It is found in plants and bacteria and some others. It is present or found outside the plasma membrane.

2. The functions of cell wall are that it provides tensile strength and protection to the cell against many type of stress. It also plays very important role in many others protections for the cell. There are two layer, named as primary cell wall and secondary cell wall.

3. Composition of Plant cell walls is that they are primarily made of cellulose. Cellulose fibers are linear long polymers of around  100 molecules  of glucose. These fibers cluster into bundles, known as  or called microfibrils. In plants the microtubule cytoskeleton are present, and there function is that they directs the orientation of cell wall as  in which orientation cellulose is deposited in the cell wall.

7 0
3 years ago
______ are primary consumers.
Bogdan [553]

None of the above

Consumers by definition produce their own food (from sunlight)
Carnivores feed on other animals, herbivores feed on plants, plants create their own food. whereas scavengers feed on dead animals etc

5 0
3 years ago
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Describe the role of acetylcholinesterase in stimulation of a muscle fiber.
goblinko [34]

Answer:

"It is the enzyme that breaks down acetylcholine in the synaptic cleft, ending stimulation of the muscle fiber. -It is the type of receptor found in the motor end plate that binds acetylcholine, initiating an electrical impulse."

Explanation:

4 0
3 years ago
The angle that the Sun’s rays strike a region of Earth determines the amount of heat transferred.
Bogdan [553]
It is true. The angle that the Sun's rays strike a region of Earth determines the amount of heat transferred. 
7 0
3 years ago
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