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Biology: The Unity and Diversity of Life

Cecie Starr, Ralph Taggart, Christine Evers

Chapter 11

How Cells Reproduce - all with Video Answers

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Chapter Questions

01:06

Problem 1

Mitosis and cytoplasmic division function in _____.
a. asexual reproduction of single-celled eukaryotes
b. growth and tissue repair in multicelled species
c. asexual reproduction in prokaryotes
d. both a and b
e. all of the above

Aditya Sood
Aditya Sood
Numerade Educator
00:46

Problem 2

A duplicated chromosome has how many chromatids?

Aditya Sood
Aditya Sood
Numerade Educator
01:08

Problem 3

Homologous chromosomes _____.
a. carry the same genes
b. are the same shape
c. are the same length
d. all of the above

Aditya Sood
Aditya Sood
Numerade Educator
00:44

Problem 4

Most cells spend the majority of their lives in _____.
a. prophase
b. metaphase
c. anaphase
d. telophase
$e .$ interphase
f. a and d

Aditya Sood
Aditya Sood
Numerade Educator
01:02

Problem 5

The spindle attaches to chromosomes at the _____.
a. centriole
b. contractile ring
c. centromere
d. centrosome

Aditya Sood
Aditya Sood
Numerade Educator
02:00

Problem 6

Only _____ is not a stage of mitosis.
a. prophase
b. metaphase
c. centromere
d. centrosome

Christy M.
Christy M.
Numerade Educator
00:29

Problem 7

In intervals of interphase, G stands for _____ .
a. gap
b. growth
c. Gey
d. gene

Aditya Sood
Aditya Sood
Numerade Educator
00:39

Problem 8

Interphase is the part of the cell cycle when _____.
a. a cell ceases to function
b. a cell forms its spindle apparatus
c. a cell grows and duplicates its DNA
d. mitosis proceeds

Aditya Sood
Aditya Sood
Numerade Educator
00:43

Problem 9

After mitosis, the chromosome number of a descendant cell is _____ the parent cell's.
a. the same as
b. one-half of
c. rearranged compared to
d. double that of

Aditya Sood
Aditya Sood
Numerade Educator
01:23

Problem 10

A plant cell divides by the process of _____.
a. telekinesis
b. nuclear division
c. fission
d. cytokinesis

Charles Machakwa
Charles Machakwa
Numerade Educator
01:21

Problem 11

$B R C A 1$ and $B R C A 2$ _____.
a. are checkpoint genes
b. are proto-oncogenes
c. encode tumor suppressors
d. all of the above

Charles Machakwa
Charles Machakwa
Numerade Educator
01:34

Problem 12

_____ are characteristic of cancer.
a. Malignant cells
b. Neoplasms
c. Tumors

Charles Machakwa
Charles Machakwa
Numerade Educator
00:36

Problem 13

Match each term with its best description.
a. lump of cells
b. made of microfilaments
c. divides plant cells
d. organize(s) the spindle
e. dangerous metastatic cells
f. made of microtubules
g. indentation
h. shortens with age
cell plate ______
spindle _____
tumor _____
cleavage furrow _____
contractile ring _____
cancer _____
centrosomes _____
telomere _____

Mishal Gul
Mishal Gul
Numerade Educator
01:36

Problem 14

Match each stage with the events listed.
a. sister chromatids move apart
b. chromosomes condense
c. new nuclei form
d. all chromosomes are aligned midway between spindle poles
e. DNA replication
f. cytoplasmic division
metaphase _____
prophase _____
telophase _____
interphase _____
anaphase _____
cytokinesis _____

Aditya Sood
Aditya Sood
Numerade Educator