Cells - Genetics
Showing posts with label Cells - Genetics. Show all posts
Showing posts with label Cells - Genetics. Show all posts

The cell membrane of the red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. because other substances are blocked from entering, this membrane is called:

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The cell membrane of the red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. because other substances are blocked from entering, this membrane is called:




a. perforated
b. semi-permeable
c. non- conductive
d. permeable


Answer: b. semi- permeable

A researchers is studying a particular disease-causing agent. the agent has a capsid (protein coat), lacks a organelles, and can reproduce only when it is inside an animal cell. Which answer choice below should the researcher classify the agent?

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A researchers is studying a particular disease-causing agent. the agent has a capsid (protein coat), lacks a organelles, and can reproduce only when it is inside an animal cell. Which answer choice below should the researcher classify the agent?




a. bacterium
b. fungus
c. virus
d. protist


Answer: c. virus

Which event occurs during the G1 phase?

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Which event occurs during the G1 phase?




a. DNA replication
b. breakdown of the nuclear membrane
c. formation of the mitomic spindle
d. growth of the cell.


Answer: growth of the cell

Which set of characteristics below describes a carbohydrate?

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1. inorganic

2. supplies energy and fiber

3. component of plant cell walls

4. part of DNA

5. made of nucleotides


Which set of characteristics below describes a carbohydrate? 



a. 1,3 and 5
b. 2,3 and 4
c. 2,4 and 5
d. 1,3 and 4


Answer: b. 2,3 and 4

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