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vichka [17]
2 years ago
5

Unit 3 Exam

Biology
1 answer:
sergeinik [125]2 years ago
7 0

Answer:

The correct answer to the question is D suboptimal temperatures

Explanation:

I know trust me i took the test and got it right 229 999 0523

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The cells in the meristematic region of the root are undergoing
tangare [24]

The answer is d. mitosis.

The cells in the meristematic region of the root are embryonic cells. Thus, these undifferentiated cells have the capacity to undergo continuous mitotic divisions and divide into new cells. The meristematic region of the root contains meristem cells for the root growth.

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3 years ago
7.Write the structure and function of Endoplasmic Reticulum and golgibodies? pls pls answer it fast ...
Papessa [141]

Answer:

Endoplasmic Reticulum

Structure

It is a large dynamic structure that serves many role in the cell including calcium storage, lipid metabolism, etc.

Function

It's function is to produce protein for the rest of cells to function.

Golgi bodies

Structure

It is made up of series of flattened stacked pouches

Function

It collect and distribute substance made in cell,synthesis and secretion of many material.

4 0
2 years ago
The value of photosynthetically active radiation above which no further increase in photosynthesis occurs is referred to as:
makkiz [27]
The right answer is <span>the light saturation point.

More light usually results in higher photosynthesis levels. However, with the increase of the intensity of the light, the photosynthesis rate eventually reaches a maximum point. This point is called "luminous saturation point".

When this point is reached, the intensity of the light does not increase the rate of photosynthesis and the rate of photosynthesis curve ceases to increase.
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6 0
3 years ago
A scientist performs an experiment in which they create an artificial cell with a selectively permeable membrane through which o
Alborosie

Answer:A. Water moves into the cell

Explanation:water moves into the cell through osmosis.during osmosis water moves from a region of low concentration of solute to a region of high concentration of solute.the glucose introduced into the cell makes it more concentrated.

In this case the cell is hypertonic and water would enter into the cell through the semi permeable membrane.this membrane allows water to pass through but not glucose.this movement of water into the cell causes the cell to become turgid.

3 0
3 years ago
About an hour or so after a sperm enters the ovum, these two cells suddenly fuse, becoming one cell called __________.
raketka [301]

Answer:

A cell that results from the fusion of sperm and ovum is called a zygote. The process of fusion of sperm and ovum is called fertilization.

6 0
2 years ago
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