AnswersHSBIO Biology Sem 1 26-27Lab: Diffusion Across a Semi-permeable Membrane

Lab: Diffusion Across a Semi-permeable Membrane — Unit test Answers

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1
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Consider the plant cells in the image below.Which is a function of the cell structure that is labeled X?

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A
It stores lipids.
B
It helps in cell metabolism.
C
It provides support.
D
It transports proteins.
4

Shannon is making a Venn diagram to organize the characteristics of cell walls and cell membranes. Which pair of characteristics both belong in the two areas of the Venn diagram that do not intersect?

A
helps with communication; contains mostly cellulose
B
contains mostly cellulose; forms the outer layer of animal cells
C
is found in plant cells; is found in animal cells
D
is semipermeable; found in animal cells
5

Which organelles are not found in plant cells?

A
vacuoles
B
mitochondria
C
chloroplasts
D
centrioles
8

Which is a function of the cell membrane?

A
performs photosynthesis
B
controls what enters and leaves the cell
C
produces proteins
D
provides energy to the cell
9

Two cells in the same organism differ only in the number of chloroplasts they contain. The first cell has multiple chloroplasts, and the second cell has very few. What would most likely characterize these cells?

A
There would be no difference between the functioning of the cells because the chloroplasts are not essential cell structures.
B
The second cell would become larger because it would have fewer chloroplasts regulating its size and shape.
C
The second cell would shrink because it would not be able to store water and maintain cell shape.
D
The second cell would not be able to produce as much food because it could not capture very much sunlight.

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