CHAPTER 3 MITOSIS

Question 1

Prophase: This disappeared during the replication of chromatin that condenses into a _____________.

Answer 1

Nucleolus; chromosome

Question 2

Prophase: The two centrosomes are dragged by the _________ to separate and migrate them into the end poles of the cell. The one who drags these are___________.

Answer 2

mitotic spindle

Question 3

Prophase: In the late part, the nuclear _______ and nuclear ___________ are disassembled and dispersed in the cytoplasmic membrane vesicles

Answer 3

lamina; pore complexes

Question 4

Prophase: What causes the nuclear lamina and nuclear pore complexes to dissamble and disperse?

Answer 4

phosphorylation of lamins and inner nuclear membrane

Question 5

Metaphase: located at a centromere; attaches to the mitotic spindle

Answer 5

Kinetochore

Question 6

Metaphase: microtubules move the chromosomes into alignment at a

Answer 6

equitorial plate

Question 7

Metaphase: Number of chromosome and chromatids

Answer 7

chromosome = 46
chromatid = 92

Question 8

Anaphase: number of chromosome and chromatids

Answer 8

chromosome = 92
chromatid = 92

Question 9

Telophase: the two set of chromosome, each located at the spindle poles, begins to revert back to their what state?

Answer 9

uncondensed/euchromatin

Question 10

Telophase: they depolymerize in this phase

Answer 10

microtubles

Question 11

Telophase: ______ begins to reassemble around each set of daughter chromosomes.

Answer 11

nuclear envelope

Question 12

Telophase: a belt-like contractile ring of _______ filaments associated with _______ develops in the ________ cytoplasm in the cell’s equator

Answer 12

actin; myosin; cortical

Question 13

Cytokinesis: the ring produces a _________ furrow and progresses until the cytoplasm and its organelles are divided into two daughter cells each with one nucleus

Answer 13

cleavage