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Bio 11.1 (Botany) > Exercise 6: Mitosis > Flashcards

Exercise 6: Mitosis Flashcards

1
Q

It refers to the type of cell division that produces two genetically identical cells.

A

mitosis

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2
Q

TRUE or FALSE:
In multicellular eukaryotes, mitosis enables development, growth, and repair.

A

True

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3
Q

TRUE or FALSE:
The number of chromosomes each daughter cell receives in mitosis is similar to that of the parent.

A

True

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4
Q

TRUE or FALSE:
Cell division occurs only in certain parts of organisms.

A

True

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5
Q

Which plant cells are active in cell division?

A

cells in the tips of shoots and roots

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6
Q

TRUE or FALSE:
Cell division in animals is best observed during embryonic development.

A

True

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7
Q

It refers to the non-dividing phase of the cell cycle.

A

interphase

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8
Q

Give the 3 parts of interphase.

A
  • G1-phase
  • S-phase
  • G2-phase
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9
Q

TRUE or FALSE:
The nuclear genetic material doubles during the S-phase but the number of chromosomes remains the same.

A

True

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10
Q

It refers to the dividing phase of the cell cycle.

A

M-phase

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11
Q

Which processes are under the M-phase?

A

mitosis and cytokinesis

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12
Q

It refers to the nuclear division in which equal number of monad chromosomes are distributed to the daughter nuclei.

A

mitosis

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13
Q

It refers to the process of partitioning the cytoplasm to form two daughter cells.

A

cytokinesis

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14
Q

Which stage of cell division is characterized by an apparent nucleus?

A

interphase

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15
Q

Which stage of cell division is characterized by uncoiled and indistinguishable chromosomes?

A

interphase

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16
Q

Which stage of mitosis is characterized by disappearing nucleoli and nuclear membrane?

A

prophase

17
Q

Which stage of mitosis is characterized by condensing chromatin fibers of chromosomes?

A

prophase

18
Q

Which stage of mitosis is characterized by the attachment of chromosomes into spindle fibers and alignment at the middle of the cell?

A

metaphase

19
Q

Which stage of mitosis is characterized by the complete disintegration of the nuclear envelope?

A

metaphase

20
Q

Which stage of mitosis is characterized by completely condensed dyad chromosomes?

A

metaphase

21
Q

Which stage of mitosis is characterized by the separation of sister chromatids towards the opposite poles of the cell.

A

anaphase

22
Q

Which fibers facilitate the movement of chromosomes in mitosis?

A

spindle fibers

23
Q

Which stage of mitosis is characterized by the uncoiling of chromosomes into chromatic and the reformation of the nuclear envelope.

A

telophase

24
Q

TRUE or FALSE:
By the time the nuclei have formed in telophase, cytokinesis has already started.

A

True

25
Q

In plant cell division, it refers to the structure which later becomes the middle lamella.

A

cell plate

26
Q

It refers to the constriction formed in the plasma membrane during cytokinesis.

A

cleavage furrow

27
Q

Give the formula for mitotic index.

A

mitotic index = (number of mitotic cells) / (number of cells examined)

Bio 11.1 (Botany) (9 decks)

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