Unit Test — Unit test

Question 1

Male gametes are called _____, and female gametes are called _____.

Revolt · Accepted Answer

sperm; ovum

Question 2

When a bacterium damages human lung cells and causes tuberculosis, the human cells that are affected in the lungs are

Revolt · Accepted Answer

eukaryotic somatic cells.

Question 3

Bacteria reproduce through binary fission. Binary fission is a simpler process than mitosis in plants and animals because bacteria

Revolt · Accepted Answer

do not have a nucleus.

Question 4

How do meiosis and fertilization account for the diversity of human traits?

Revolt · Accepted Answer

They allow for traits to be present in many different combinations.

Question 5

Which list describes the proper order for protein synthesis?

Revolt · Accepted Answer

DNA is copied RNA is made ribosome makes protein

Question 6

Fructose is a sugar molecule that is similar to glucose. It moves from a high concentration outside the cell to a low concentration inside the cell. How would fructose enter a cell?

Revolt · Accepted Answer

facilitated diffusion

Question 7

Which organic compound aids in keeping heat in the body?

Revolt · Accepted Answer

fat

Question 8

Cells may become dehydrated when water leaves the cell and enters the surrounding environment, leaving the cell limp and shriveled. When this happens, what type of solution is the cell in, and how would taking in water help the cell?

Revolt · Accepted Answer

hypertonic; the concentration outside the cell would become less concentrated, and the water would reenter the cell

Question 9

best

Revolt · Accepted Answer

Dr. Lee is using an electron microscope; Dr. Murphy is using a light microscope.

Question 10

best

Revolt · Accepted Answer

from the tips of the root

Unit Test — Unit test Answers

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