Lab Prac. 1 Flashcards

1
Q

The vast majority of the cell’s life is spent in ________. This is the phase in which the cell carries out its primary functions

A

Interphase

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2
Q

Interphase subdivision where the cell carriesout its specialized function

A

G0 Phase

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3
Q

Interphase subdivision where the cell is preparing for cell division.
manufacture of organelles outside the nucleus is increased to provide enough for two cells.

A

G1 Phase

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4
Q

Interphase subdivision where the chromosomes within thenucleus are duplicated

A

S Phase

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5
Q

Interphase subdivision that finishes up the preparations for cell division, being devoted to last-minute protein synthesis and the completion of centriole replication.

A

G2 Phase

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6
Q
Nuclear membrane disappears.
Duplicated chromosomes (CENTRIOLES) condense out of the chromatin and START to move towards opposite poles on the cell.
A

Prophase

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7
Q

Mitosis (phases)

A
Interphase
Prophase
Metaphase
Anaphase
Telophase
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8
Q

The two copied chromosomes are referred to as ______ in prophase.

A

Chromatid

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9
Q

What phase ends with the nuclear membrane disappearing and the chromosomes becoming attached to the spindle fibers, via thecentromere?

A

Prophase

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10
Q

Duplicated chromosomes line up individually along theequatorial zone of the cell.

A

Metaphase

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11
Q

The centromere of each chromosome splits and the individual

chromatids separate, each one migrating toward one pole of the cell along the spindlefibers.

A

Anaphase

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12
Q

A nuclear membrane forms around each new group of chromosomes; the chromosomes begin to unwind and become less distinct.

A

Telophase

Also starts to form a cell membrane along the equator

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13
Q

During sexual reproduction, chromosomes in the nucleus come in pairs called ________.

A

Homologues or Homologous Chromosomes

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14
Q

Homologous chromosomes come together, an event known as _____.

A

Synapsis

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15
Q

Homologous chromosomes come together, an event known as synapsis, to form a four-stranded chromosome pair, called a ______.
Which phase does this take place in?

A

Tetrad

Prophase I

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16
Q

Tetrads line up at the ________ plate.

A

Metaphase I

17
Q

tetrads break up, with one chromosome from each homologous pair pulled to the opposite pole of the cell.

A

Anaphase I

18
Q

Ends up with two daughter cells, each with the haploid number of double-stranded chromosomes.

A

Telophase I

19
Q

The process of cytoplasmic division.

A

Cytokinesis

20
Q

Cytokinesis occurs in which phase.

A

Prophase (of Mitosis, Meiosis I and Meiosis II)