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Anatomy 1410 > Cell Cycle Topic 4 > Flashcards

Cell Cycle Topic 4 Flashcards

1
Q

What is a homologous chromosome?

A

a chromosome pair 1 from each parent

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2
Q

What is a gene?

A

unit of herdity

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3
Q

What occurs during interphase?

A

protein synthsis within the cells

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4
Q

What occurs during the G1 phase?

A

Growth and metabolism

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5
Q

What occurs during the s-phase?

A

chromosomes replicate bbut are still present as chromatin

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6
Q

When does S-Phase occur?

A

Always occurs before cell divisoin

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7
Q

When are the kinetochoress produced?

A

During S-phase

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8
Q

What occurs during the G2 phase?

A

Growth and metabolism.

Enzymes and other proteins neeeded for cell divions

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9
Q

What are parts of mitotic phase?

A
  • Prophase
  • Mataphase
  • Anaphase
  • Telophase
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10
Q

What is the division of of cytoplam called?

A

Cytokinesis

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11
Q

What are the similarities from mitosis and meiosis?

A
  • Prophase I II
  • Chomosomes condense
  • Spindle apparatus forms
  • Kinetecore microtubules capture chromosomes
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12
Q

When is the pre embryonic period?

A

first 2 weeks

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13
Q

What undergoes rapid mitotic cell divisions that is diploid?

A

Zygote

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14
Q

What happens in the first 72 hours of implantation?

A

Morula is formed

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15
Q

How many cells does the morula contain?

A

16-32

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16
Q

True or false is the morula the same size as the zygote>

A

true

17
Q

/In early dev what happens within the first 5 days

A

Blastocyst created

18
Q

What does the inner cell mass differentiate to?

A

embryo

19
Q

What does the trophoblast differentiate to?

A

the chlorion

20
Q

when does implantation occur?

A

5-7 days after fertilization

21
Q

What does the epiblast differentaite to?

A

Amion

22
Q

What are the 3 germ layers in the aminion?

A
  • Ectoderm
  • Mesoderm
  • Endoderm

Anatomy 1410 (17 decks)

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