BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 8, Problem 6MCQ
What would happen to an animal cell if interphase and mitosis occurred in the absence of cytokinesis?
a. | The number of nuclei in the cell would increase over time. |
b. | The amount of DNA in the cell would decrease over time. |
c. | The cell would enter S phase. |
d. | The cell would become smaller over time. |
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What occurs during the anaphase stage of mitosis?
a.Chromosomes arrive at opposite spindle poles and become enclosed by a new nuclear envelope.
b.Chromosomes pack tightly and become attached to a newly forming spindle.
c.Sister chromatids separate and move toward opposite spindle poles.
d.All chromosomes are aligned midway between spindle poles.
What occurs during the prophase stage of mitosis?
a.Chromosomes pack tightly and become attached to a newly forming spindle
b.Chromosomes align midway between the spindle poles
c.Chromosomes arrive at opposite spindle poles and become enclosed by a new nuclear envelope
d.Sister chromatids separate and move toward opposite spindle poles
A drug inhibits the formation of microtubules. This drug is added to a culture of cells during G2. How might this drug affect the cell division?
A.
Cytokinesis could not occur.
B.
The nuclear envelope would be unable to break down.
C.
DNA synthesis would not occur.
D.
The spindle apparatus would be unable to form.
Chapter 8 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 8.1 - Explain the roles of mitotic cell division,...Ch. 8.1 - Prob. 2MCCh. 8.2 - Prob. 1MCCh. 8.2 - What are the steps of DNA replication?Ch. 8.2 - Prob. 3MCCh. 8.2 - Prob. 4MCCh. 8.3 - Prob. 1MCCh. 8.3 - Prob. 2MCCh. 8.4 - Prob. 1MCCh. 8.4 - Prob. 2MC
Ch. 8.5 - What are the three main events of the cell cycle?Ch. 8.5 - Prob. 2MCCh. 8.5 - Prob. 3MCCh. 8.5 - What happens during each stage of mitosis?Ch. 8.5 - Prob. 5MCCh. 8.6 - Prob. 1MCCh. 8.6 - Prob. 2MCCh. 8.6 - Prob. 3MCCh. 8 - A DNA is placed in a test tube containing...Ch. 8 - A chromosome is made of a. DNA. b. chromatin. c....Ch. 8 - Which of the following explains why binary fission...Ch. 8 - If you were to look at a sample of actively...Ch. 8 - Which stage of the cell cycle occurs immediately...Ch. 8 - What would happen to an animal cell if interphase...Ch. 8 - Why are cell cycle control checkpoints so...Ch. 8 - Prob. 1WIOCh. 8 - Prob. 2WIOCh. 8 - Prob. 3WIOCh. 8 - Sketch and describe the evenst that occur when a...Ch. 8 - List the ways that binary fission is similar to...Ch. 8 - Prob. 6WIOCh. 8 - Prob. 7WIOCh. 8 - Label the arrows connecting the chromosome images...Ch. 8 - Prob. 9WIOCh. 8 - Prob. 10WIOCh. 8 - Prob. 11WIOCh. 8 - Prob. 12WIOCh. 8 - Prob. 1SLCh. 8 - Add DNA polymerase, nucleotides, and complementary...Ch. 8 - Add cell growth and tissue repair to the concept...Ch. 8 - Review the Survey the Landscape figure in the...
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- Which statement about eukaryotic chromosomes entering mitosis is NOT true?a. They enter as two chromatids.b. They enter with a single centromere.c. They are soon visible under the light microscope.d. Their DNA is not yet replicated.arrow_forwardWhat occurs during the S phase of the cell cycle? a. The cytoskeleton is dismantled. b. The cell accumulates the building blocks of chromosomal DNA. c. Chromosomes are duplicated.arrow_forwardWhat is a critical event that occurs during S phase of the cell cycle?a. Cells decide whether or not to divide.b. DNA replication produces pairs of sister chromatids.c. The chromosomes condense.d. The single nucleus is divided into two nuclei.arrow_forward
- What happens during anaphase? A. Chromosomes line up in the middle, microtubules attach themselves to chromosomes B. Sister chromatids are pulled apart, daughter cells begin to from C. Chromosomes are visible, nuclear envelope disappears, spindle fibers become visible D. Sister chromatids reach opposite ends of the cell, nucelar envelopes begin to formarrow_forwardWhat happens during metaphase? A. Chromosomes line up in the middle, microtubules attach themselves to chromosomes B. Sister chromatids are pulled apart, daughter cells begin to from C. Sister chromatids reach opposite ends of the cell, nucelar envelopes begin to form D. Chromosomes are visible, nuclear envelope disappears, spindle fibers become visiblearrow_forwardwhich of the following describes how RNA and DNA are used in mitosis? a. leads to the synthesis of proteins that assist in cell replication b. produce energy for cell division c. moves vesicles to the middle of the cell to form the cell plate d. forms spindle fibers that attach to chromosomesarrow_forward
- What happens during telophase? A. Chromosomes are visible, nuclear envelope disappears, spindle fibers become visible B. Sister chromatids are pulled apart, daughter cells begin to from C. Chromosomes line up in the middle, microtubules attach themselves to chromosomes D. Sister chromatids reach opposite ends of the cell, nucelar envelopes begin to formarrow_forwardPlant and animal cells are similar in many ways, but there are some ways they are different. What are ways that plant and different? a a. Plant cells have chloroplast by b. Animal cells have a vacuole and plant cells do not. C. Animal Cells have a cell wall. d. Plant cells do not have lysosomesarrow_forwardIf you were to look at a sample of actively dividing leaf cells, in what stage of the cell cycle would you find most of the cells? a. Interphase c. Metaphase b. Prophase d. Telophasearrow_forward
- During which phase of mitosis do the chromatids become chromosomes? A. Prophase B. Telophase C. Cytokinesis D. Metaphasearrow_forwardIn mitosis, chromosomes separate by which specific mechanism? A. chromosomes sprout flagella and begin to swim towards the ends of the cell B. molecular motors in the kinetochore move the chromosome toward the centrioles C. centrioles attract the chromosomes by electromagnetic attraction D. centrioles begin to shorten microtubules by degrading themarrow_forwardWhich organelle works to pack cellular secretions? a. endoplasmic reticulum b. Golgi apparatus c. ribosome d. vacuolearrow_forward
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