BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 8, Problem 12SA
After
| a. consists of two sister chromatids |
| b. has a characteristic X shape |
| c. is constricted at the centromere |
| d. all of the above |
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One difference between cancer cells and normal cells is that cancer cells
a.
are always in the M phase
b.
are arrested at the S phase of the cell cycle
c.
are unable to synthesize DNA
d.
continue to divide even when they are tightly packed together
The metaphase to anaphase transition involves
a. new force being generated to pull the chromatids apart.
b. an increase in force on sister chromatids to pull them apart.
c. completing DNA replication of centromeres allowing chromosomes to be pulled apart.
d. loss of cohesion between sister chromatids.
When DNA synthesis occurs in a cell, it results in the formation of _____.
A. homologs
B. duplicated centrosomes
C. more microtubules
D. sister chromatids
23.
Chapter 8 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. A-G,...Ch. 8 - Similarities in ___________ are the basis of...Ch. 8 - One species DNA differs from others in its...Ch. 8 - In eukaryotic chromosomes, DNA wraps around...Ch. 8 - The chromosome number ________ . a. refers to a...Ch. 8 - Prob. 7SACh. 8 - DNA replication requires ________ . a. DNA...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - When DNA replication begins, _______ . a. the two...
Ch. 8 - The phrase 5to3 refers to the _________ . a....Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Prob. 13SACh. 8 - _________ is an example of reproductive cloning....Ch. 8 - Match the terms appropriately. ___ nucleotide ___...Ch. 8 - Determine the complementary strand of DNA that...Ch. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- Human body cells are diploid, which mean they______ . a. divide to form two cells b. have two full sets of chromosomes c. contain two chromosomesarrow_forwardIn eukaryotic chromosomes, DNA wraps around _________. a. histone proteins c. centromeres b. sister chromatids d. nucleosomesarrow_forwardDNA plus associated proteins equal? a. chromatin b. chromosome c. chromatid d. nucleosomearrow_forward
- In eukaryotic chromosomes, DNA wraps around_____ . a. histone proteins d. centromeres b. sister chromatids e. nucleosomes c. the double helix f. mutationsarrow_forwardThe _____ is the physical location that sister chromatids are held together and where microtubules physically attach during mitosis. a. centriole b. centrosome c. centromere d. chromatinarrow_forwardTwo genetically identical strands of a metaphase chromosome, joined at thecentromere, are itsa. kinetochores.b. centrioles.c. sister chromatids.d. homologous chromatids.e. nucleosomes.arrow_forward
- DNA doubles ___. A. before mitosis B. during metaphase of mitosis C. at any time during cell division D. during prophase of mitosis E. immediately before prophase of mitosisarrow_forwardWhich of the following events happen during interphase? CHOOSE ALL THAT ARE CORRECT. A) DNA replication b) centriole duplication c)increase in cell size d) separate of sister chromatids e) assembly of the mitotic spindle f) formation of the nuclear envelopearrow_forwardWhich of the following events does not occur during some stages of interphase? a. DNA duplication b. organelle duplication c. increase in cell size d. separation of sister chromatidsarrow_forward
- What is a main difference between onion root tip (plant cell) mitosis and whitefish blastula (animal cell) mitosis? A. The DNA is animal cells is inside of a nucleus but there is no nucleus in plant cells. B. A cleavage furrow is not formed in plant cells due to the rigid cell wall. C. Plant cells do not have DNA and animal cells do. D. Plant cells have undergo prophase where they condense their chromosomes but animal cells skip this step.arrow_forwardThe chromosomes of a cell are lined up along the equatorduringa. prophase.b. metaphase.c. anaphase.d. telophase.arrow_forwardWhich 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_forward
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