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Cell Cycle

Categories Cell Cycle

Essay, Pages 3 (573 words)

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Essay, Pages 3 (573 words)

cell growth, normal functions
What occurs in G1 in the cell cycle?

Cell cycle
What is the series of events that cells go through as they grow and divide?

G1
What is the longest stage of the cell cycle called?

interphase
During what stage does the G1,S,and G2 phases happen?

Mitosis
During what phase of the cell cycle does mitosis and cytokinesis occur?

Mitosis
During what phase of the cell cycle does cell division occur?

S (synthesis)
During what phase of the cell cycle is DNA replicated?

G1
During what phase of the cell cycle does the cell grow?

G2
During what phase of the cell cycle does the cell prepare for mitosis?

4
How many stages are there in mitosis?

Prophase, metaphase, anaphase, telophase
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase

G1, S, G2, M
Put the following stages of the cell cycle in order: G2, S, G1, M

Cell grows, DNA replication, cell prepares for mitosis, cell division
Put the following actions in order: DNA replication, cell grows, cell division, cell prepares for mitosis.

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For efficiency, the process would take too long if it was bigger
Explain why cells don’t just continue to grow larger as organisms grow larger.

Why do cell divide? (Write in complete sentences)

DNA replication
What occurs in S phase of the cell cycle?

cell prepares for mitosis
What occurs in G2 phase of the cell cycle?

cell division
What occurs in M phase of the cell cycle?

nuclear membrane disapears, spindle fibers form chromosomes condense
What occurs in prophase phase of the cell cycle?

chromosomes line up at equater
What occurs in metaphase phase of the cell cycle?

sister chromatids pull apart
What occurs in anaphase phase of the cell cycle?

chromosomes have separated/ ribosomes begin to form
What occurs in telophase phase of the cell cycle?

Interphase- G, S, G2 normal cell growth/prep for division
Missing from this are Interphase and Cytokinesis.

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What are they, and when do they occur? (Interphase)

physical splitting of the cell
Missing from this are Interphase and Cytokinesis. What are they, and when do they occur? (Cytokinesis)

D
Identify whether they are haploid (H) or diploid (D): cells at end of mitosis

H
Identify whether they are haploid (H) or diploid (D): cells at end of meiosis

D
Identify whether they are haploid (H) or diploid (D): liver cell

H
Identify whether they are haploid (H) or diploid (D): sperm

H
Identify whether they are haploid (H) or diploid (D): egg

D
Identify whether they are haploid (H) or diploid (D): skin cell

H
Identify whether they are haploid (H) or diploid (D): gamete

D
Identify whether they are haploid (H) or diploid (D): somatic (body) cell

1 copy of every cell
What is a haploid?

2 copies of every cell
What is a diploid?

46, 23
Human cells: diploid # ____ haploid #_____

1. crossing over/ mixing DNA from parents 2. produce gamets
Explain how meiosis increases genetic diversity in 2 different ways:

2
# cells produced in Mitosis

4
# cells produced in Meiosis

replace cells+get bigger
Reasons for occurrence in Mitosis

making gametes for sexual reproduction
Reasons for occurrence in Meiosis

1
# of divisions in Mitosis

2
# of divisions in Meiosis

no
Includes crossing over (Y/ N) Mitosis

yes
Includes crossing over (Y/ N) Meiosis

somatic
Kind of cells using it (Mitosis)

gamets
Kind of cells using it (Meiosis)

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