chapter 8 test

why do cells need to divide?

• grow, reproduce, repair damage

• to make more cells

• so an organism can live

• it doesn't have to, only when it needs company

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NGSS.HS-LS1-4

asexual reproduction creates

• identical off-spring

• similar but have variations in traits

Tags

NGSS.MS-LS3-2

sexual reproduction produces

• identical

• similar but have variations in traits

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NGSS.MS-LS3-2

Eukaryotic chromosome structure includes:

• stores most of their many genes on multiple chromosomes within the nucleus.

• small chromosomes

• large centrosomes

• many chromatids

prokaryotic chromosome structure includes:

• single cellular DNA molecule

• proteins

• smaller than eukaryotes

• larger than eukaryotes

Two sister chromatids are attached together along their lengths by proteins are cinched at the centromere. This is the structure of a...

• DNA

• chromatid

• chromosome

• RNA

Tags

NGSS.HS-LS1-4

what is the fate of sister chromatids?

• coil around eachother

• dissolve during cell division

• become best friends

• to separate during cell division

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NGSS.HS-LS1-4

what are the phases of the cell cycle?

• prophase, anaphase, telophase, metaphase, cytokinesis

• interphase, mitosis, cytokinesis

• G1, S, G2, G0

when is DNA replicated?

• metaphase

• interphase

• mitosis

• G2

when are chromosomes sorted?

• meiosis

• telophase

• anaphase

• S