AP Bio Unit 4 Review; Questions & Answers 100%
Solved
In what form is DNA loose non-condensed and condense and organized? Correct answer-
non-condensed=chromatin; condensed=chromosome
2 gametes combine to form a _____. What are the 2 gametes? Correct answer-zygote;
sperm and egg
What occurs during anaphase? Correct answer-sister chromatids separate
What happens when a cell undergoes mitosis but not cytokinesis? Correct answer-the
cell has 2 nuclei
Following (but not including) which phase of the cell cycle do we have 2 sister chromatids?
Correct answer-S phase
This protein is involved in passing cell cycle checkpoints and its concentration will cycle up and
down depending on what stage of the cell cycle the cell is in Correct answer-cyclin
What occurs during the S phase? Correct answer-DNA synthesis
Mitosis produces what kinds of daughter cells? Correct answer-2 genetically identical
cells with 46 chromosomes
, AP Bio Unit 4 Review; Questions & Answers 100%
Solved
Which checkpoint in the cell cycle is considered the restriction point? Correct answer-G1
checkpoint
When do chromosomes first become visible in mitosis? Correct answer-prophase
In both mitosis and meiosis, sister chromatids separate during anaphase, but there are ___
haploid daughter nuclei produced by meiosis compared to ____ diploid nuclei by mitosis
Correct answer-4; 2
What is the period in the cell cycle between divisions? Correct answer-interphase
When does the nuclear envelope disappear in mitosis? Correct answer-prophase
Meiosis reduces _____. Fertilization restores _____. Correct answer-chromosome
number
Once mitosis is complete what is the next step? Correct answer-cytokinesis
When does crossing over occur in Meiosis? Correct answer-Prophase I
What is a protein that aids in adding a phosphate? Correct answer-protein kinase
Solved
In what form is DNA loose non-condensed and condense and organized? Correct answer-
non-condensed=chromatin; condensed=chromosome
2 gametes combine to form a _____. What are the 2 gametes? Correct answer-zygote;
sperm and egg
What occurs during anaphase? Correct answer-sister chromatids separate
What happens when a cell undergoes mitosis but not cytokinesis? Correct answer-the
cell has 2 nuclei
Following (but not including) which phase of the cell cycle do we have 2 sister chromatids?
Correct answer-S phase
This protein is involved in passing cell cycle checkpoints and its concentration will cycle up and
down depending on what stage of the cell cycle the cell is in Correct answer-cyclin
What occurs during the S phase? Correct answer-DNA synthesis
Mitosis produces what kinds of daughter cells? Correct answer-2 genetically identical
cells with 46 chromosomes
, AP Bio Unit 4 Review; Questions & Answers 100%
Solved
Which checkpoint in the cell cycle is considered the restriction point? Correct answer-G1
checkpoint
When do chromosomes first become visible in mitosis? Correct answer-prophase
In both mitosis and meiosis, sister chromatids separate during anaphase, but there are ___
haploid daughter nuclei produced by meiosis compared to ____ diploid nuclei by mitosis
Correct answer-4; 2
What is the period in the cell cycle between divisions? Correct answer-interphase
When does the nuclear envelope disappear in mitosis? Correct answer-prophase
Meiosis reduces _____. Fertilization restores _____. Correct answer-chromosome
number
Once mitosis is complete what is the next step? Correct answer-cytokinesis
When does crossing over occur in Meiosis? Correct answer-Prophase I
What is a protein that aids in adding a phosphate? Correct answer-protein kinase
