Cells Flashcards

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1
Q

Why are cells small?

A

Greater surface area to volume ratio. Makes transportation of materials in and out of the cell more efficient.

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2
Q

Why do cells divide?

A

asexual reproduction, growth of an organism, repair of an organism

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3
Q

chromatin

A

the form DNA is in during normal cell activity; not condensed

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4
Q

chromosomes

A

the form DNA is in during cell division; condensed

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5
Q

centromere

A

the structure that connects two sister chromatids

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6
Q

sister chromatids

A

identical chromosomes that are duplicated/replicated

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7
Q

Why is the cell’s surface area to volume ratio important?

A

The amount of surface area can affect the rate at which nutrients go in and waste goes out.

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8
Q

What must happen before cell division occurs?

A

DNA replication because without it each cell wouldn’t get a complete set of chromosomes

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9
Q

What is the purpose of centrioles?

A

to organize spindle fibers

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