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Histology > Cytoskeleton and Mitosis/Meiosis > Flashcards

Cytoskeleton and Mitosis/Meiosis Flashcards

1
Q

What are the 3 Components of the Cytoskeleton?

A

Microfilaments
Intermediate Filaments
Microtubules

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2
Q

What protein are microfilaments made of?

A

Actin

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3
Q

What protein are microtubules made of?

A

Tubulin

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4
Q

What is the function of the microfilaments?

A

Cell movement support

Process extension

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5
Q

What is the primary function of the microtubules?

A

Formation of the mitotic spindle

Individual tubules help with intracellular transport

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6
Q

What is the job of the intermediate filaments

A

Support

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7
Q

What makes up the core of cilia and flagella?

A

Microtubules

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8
Q

What is the centriole?

A

One half of the diplosome

Made of microtubules

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9
Q

What organelle is the diplosome usually found near?

A

Golgi

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10
Q

What type of filaments are the spindles coming from the diplosomes during cell division?

A

Microtubules

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11
Q

In general, what is the shortest phase of the cell cycle?

A

M Phase

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12
Q

What phase does the cell grow?

A

G1

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13
Q

What phase of the cell cycle does DNA synthesis occur?

A

S Phase

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14
Q

During what phase does the cell division machinery get synthesized?

A

G2

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15
Q

True/False: A cell in mitosis has 23 pairs of chromoses at all times (always diploid)?

A

True. Right before division, the cell has 23 replicated pairs, but it is still diploid because the “twins” are still connected as sister chromatids

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16
Q

During what phase of mitosis does the cleavage furrow form?

A

Anaphase

17
Q

During what phase does the nucleolus and nuclear envelope reform?

A

Telophase

18
Q

What is the point of meiosis?

A

To create haploid gametes (Ovum/Sperm)

19
Q

Which phase of meiosis is called reductional division?

A

I

20
Q

When does the cell become haploid, meiosis I or II?

A

Daughter cells of Meiosis I

Histology (11 decks)

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