RAT #25 - Overview of Mitosis, Meiosis, + the Cell Cycle Flashcards

1
Q

What Type of Cell Division is responsible for the Repair of your Skin following a Sunburn?

(a) . Mitosis
(b) . Meiosis
(c) . Fertilization
(d) . Both Mitosis + Meiosis

A

(a). Mitosis

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2
Q

In a Cell w/ 4 Chromosomes, How many Sister Chromatids are visible during Anaphase?

(a) . 16
(b) . 8
(c) . 4
(d) . 2

A

(d). 2 ??

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3
Q

Mitosis DOES NOT produce which of the following?

(a) . Epithelial cells
(b) . Sex cells
(c) . White Blood cells
(d) . Liver cells

A

(b). Sex cells

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4
Q

IF a Cell is in G1 and has 20 Chromosomes,
How many PAIRS of Homologous Chromosomes are present?

(a) . 10
(b) . 5
(c) . 20
(d) . 80
(e) . 40

A

(a). 10

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5
Q

IF a Cell is in G2 and has 10 Chromosomes, How many PAIRS of Homologous Pairs of Chromosomes are present?

(a) . 10
(b) . 40
(c) . 2.5
(d) . 5
(e) . 20

A

(d). 5

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6
Q

The Cell Cycle Checkpoints in G1 + G2, which are similar, detect?

(a) . Levels of p53
(b) . Damaged DNA
(c) . Chromosome Misalignment
(d) . Levels of Chk 1 / 2
(e) . Levels of Cyclin D

A

(b). Damaged DNA

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7
Q

Which of the following statements about mammalian mitosis is NOT true?

(a) . Homologous Chromosomes PAIR UP at Prophase.
(b) . Onset of Anaphase is inhibited until all Chromosomes are Aligned at the Metaphase plate.
(c) . Daughter Nuclei are genetically identical to the Parent Nucleus
(d) . During Prophase, each Chromosome has 2 Chromatids
(e) . Nuclear Envelope BREAKDOWN coincides w/ onset of Prometaphase

A

INCORRECT

d

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8
Q

The Amount of DNA in a G2 Somatic cell is?

(Assuming the Haploid Cell of this Organism is 3n)?

(a) . 6n
(b) . 12n
(c) . 9n
(d) . 1n
(e) . 3n

A

INCORRECT

a

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9
Q

{True / False}

In Meiosis I vs. Meiosis II, the Nuclear Material is ALIGNED @ the Metaphase Plate EXACTLY the SAME.

A

FALSE !

Explain ⎃

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10
Q

{True / False}

In Meiosis I + Mitosis, the Nuclear Material is ALIGNED @ the Metaphase Plate EXACTLY the SAME.

A

FALSE !

Explain ⎃

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