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48 Cards in this Set

  • Front
  • Back

Interphase G1 has how man chromosomes?

18

Interphase M has how man chromosomes?

18

Interphase G2 has how man chromosomes?

18

Prophase has how man chromosomes?

18

Metaphase has how man chromosomes?

18

Anaphase has how man chromosomes?

36

Telophase has how man chromosomes?

18 in each nuclei

G0 has how man chromosomes?

18

What do the chromosomes look like for Interphase G1

I

What do the chromosomes look like for Interphase M

Transition from I to X

What do the chromosomes look like for Interphase G2

X

What do the chromosomes look like for Prophase

X

What do the chromosomes look like for Metaphase

X

What do the chromosomes look like for Anaphase

I

What do the chromosomes look like for Telophase

I

What do the chromosomes look like for G0

I

Interphase G1 has how many numbers of chromatids

18

Interphase M has how many numbers of chromatids

Between 18 and 26

Interphase G2 has how many numbers of chromatids

36

Prophase has how many numbers of chromatids

36

Metaphase has how many numbers of chromatids

36

Anaphase has how many numbers of chromatids

36

Telophase has how many numbers of chromatids

18 in each nuclei

G0 has how many numbers of chromatids

18

Which checkpoint is responsible for assessing is the kinetochores attached to spindles

M

Which checkpoint is responsible for assessing if there genomic DNA damage?

G1

Which checkpoint is responsible for assessing if the chromosomes have all been replicated?

G2

Which checkpoint is responsible for assessing if the cell obtained a suitable size?

G1 and G2

Which checkpoint is responsible for assessing if there is adequate supplies for the cell division process?

G1 and G2

Which checkpoint is responsible for assessing if the replicated DNA correct?

G2

Is Cyclin a positive or negative regulator?

Positive

Is Cyclin-dependent kinase (cdk) a positive or negative regulator?

Positive

Is Retinoblastoma protein (Rb) a positive or negative regulator?

Negative

Is p53 a positive or negative regulator?

Negative

Is p21 a positive or negative regulator?

Negative

Is E2F a positive or negative regulator?

Positive

When does the Cyclin regulator function?

Produced in response to internal/external triggers.

When does the Cdk regulator function?

When it binds to a cyclin

When does the Rb regulator function?

Primarily G1 checkpoint

When does the p53 regulator function?

Primarily G1 checkpoint; acts when DNA damage is detected.

When does the p21 regulator function?

Primarily G1 checkpoint

When does the E2F regulator function?

Primarily G1 checkpoint; in the transition from G1 to S

What does the Cyclin regulator do?

Binds to Cdks; helps to activate the Cdk/cyclin complex

What does the Cdk regulator do?

Phosphorylate other proteins, causing the cell cycle to advance

What does the Rb regulator do?

Monitors cell size; binds and inhibits transcription factors (such as E2F)

What does the p53 regulator do?

Stops the cell cycle and recruits DNA repair enzumes; can trigger apoptosis; triggers production of p21

What does the p21 regulator do?

Enforces a p53-induced cell cycle stop; inhibits Cdk/cyclin complexes

What does the E2F regulator do?

Transcription factor that activates/promotes production of specific proteins.