Rio Salado College BIO 156: exam 2 || Faultless Answers 100%.
Cell division correct answers Lesson 7: Chapters 7 (Sections 7.1 - 7.4) and 8 (Sections 8.1 - 8.4)
During the G2 phase of the cell cycle, cells make proteins needed for cell division correct
answers
Division by mitosis produces two cellular descendants, each with half the chromosome number
of the parent. correct answers false Each descendant has the same number of chromosomes as the
parent.
Sister chromatids are identical. correct answers true
Which of the following body processes requires mitosis?
a. Sexual reproduction
b. Metabolism
c. Wound repair
d. Protein synthesis correct answers c. Wound repair
Which of the following is not a purpose of cell cycle checkpoints?
a. Ensure that the cell's DNA has been copied completely
b. Ensure that the cell's DNA has not been damaged
c. Ensure that enough nutrients are available to support division
d. Ensure that cells have enough RNA for protein synthesis correct answers d. Ensure that cells
have enough RNA for protein synthesis
Which of the following is the correct order for the stages of mitosis?
a. Prophase, anaphase, metaphase, telophase
, b. Prophase, metaphase, anaphase, telophase
c. Telophase, anaphase, metaphase, prophase
d. Anaphase, prophase, metaphase, telophase correct answers b. Prophase, metaphase, anaphase,
telophase
connect the centrosomes to the chromosomes. correct answers microtubules
During anaphase, chromosomes arrive at opposite spindle poles, decondense, and become
enclosed by a new nuclear envelope. correct answers false
The mechanism of cytoplasmic division is called correct answers cytokinesis
Which of the following forms the cleavage furrow?
a. Contractile ring
b. Sister chromatids
c. Fusion of nuclear membranes
d. Vesicles along the plane of division correct answers a. Contractile ring
During telophase in plant cells, vesicles at the plane of division start to fuse into a flat cell plate.
correct answers true
DNA replication occurs during which stage? correct answers interphase
Mitosis is the mechanism of nuclear division, whereas cytokinesis involves the division of the
cytoplasm. correct answers
What is the role of proto-oncogenes? correct answers a. Proto-oncogenes encode proteins that
promote mitosis.
Cell division correct answers Lesson 7: Chapters 7 (Sections 7.1 - 7.4) and 8 (Sections 8.1 - 8.4)
During the G2 phase of the cell cycle, cells make proteins needed for cell division correct
answers
Division by mitosis produces two cellular descendants, each with half the chromosome number
of the parent. correct answers false Each descendant has the same number of chromosomes as the
parent.
Sister chromatids are identical. correct answers true
Which of the following body processes requires mitosis?
a. Sexual reproduction
b. Metabolism
c. Wound repair
d. Protein synthesis correct answers c. Wound repair
Which of the following is not a purpose of cell cycle checkpoints?
a. Ensure that the cell's DNA has been copied completely
b. Ensure that the cell's DNA has not been damaged
c. Ensure that enough nutrients are available to support division
d. Ensure that cells have enough RNA for protein synthesis correct answers d. Ensure that cells
have enough RNA for protein synthesis
Which of the following is the correct order for the stages of mitosis?
a. Prophase, anaphase, metaphase, telophase
, b. Prophase, metaphase, anaphase, telophase
c. Telophase, anaphase, metaphase, prophase
d. Anaphase, prophase, metaphase, telophase correct answers b. Prophase, metaphase, anaphase,
telophase
connect the centrosomes to the chromosomes. correct answers microtubules
During anaphase, chromosomes arrive at opposite spindle poles, decondense, and become
enclosed by a new nuclear envelope. correct answers false
The mechanism of cytoplasmic division is called correct answers cytokinesis
Which of the following forms the cleavage furrow?
a. Contractile ring
b. Sister chromatids
c. Fusion of nuclear membranes
d. Vesicles along the plane of division correct answers a. Contractile ring
During telophase in plant cells, vesicles at the plane of division start to fuse into a flat cell plate.
correct answers true
DNA replication occurs during which stage? correct answers interphase
Mitosis is the mechanism of nuclear division, whereas cytokinesis involves the division of the
cytoplasm. correct answers
What is the role of proto-oncogenes? correct answers a. Proto-oncogenes encode proteins that
promote mitosis.
