AnswersGA-GSE Biology AElements of Living Organisms

Animal and Plant Cells Answers

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3

What does it mean for a membrane to be selectively permeable?

A
Only certain molecules are allowed to pass through.
B
The membrane is rigid and only allows water to pass through.
C
All types of molecules are able to pass into the cell.
D
The membrane is rigid and nothing can enter or leave the cell.
4

Consider this animal cell.What is the function of the small, dark organelles labeled E?

Question illustration
A
They contain enzymes for the digestion of old cell parts.
B
They regulate what enters and leaves the cell.
C
They produce proteins for the cell.
D
They store water and other materials.
5

Which organelle captures the energy from sunlight and converts it to chemical energy, and in which cells could it be found?

A
the Golgi apparatus, which can be found in lung cells of animals
B
lysosomes, which can be found in all cells of grasses
C
ribosomes, which can be found in muscle cells of humans
D
chloroplasts, which can be found in leaf cells of trees
6

Which statement is true about a cell wall but not a cell membrane?

A
It forms the outer layer of a cell.
B
It gives an animal cell its shape.
C
It is selectively permeable.
D
It is made mostly of cellulose.
8

Which statement about the cell membrane is true?

A
It contains cellulose and sugars that are involved in communication.
B
It is present in animal cells only.
C
It is rigid and elastic for supporting the cell’s shape.
D
It prevents harmful substances from entering a cell.
9

Which is a structure that directs the cell's activities?

A
nucleus
B
Golgi apparatus
C
ribosome
D
mitochondrion

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