Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 13, Problem 3TYU
Meiosis II is similar to mitosis in that
(A) sister chromatids separate during anaphase.
(B)
(C) the daughter cells are diploid.
(D) homologous chromosomes synapse.
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20. Which of the following occurs during mitosis but not during meiosis I?
(A) The chromosomes are pulled to opposite poles of the spindle apparatus.
(B) The chromatids of each chromosome are separated.
(C) The nuclear envelope breaks down.
(D) Both synapsis and crossingover take place.
(E) The diploid number of chromosomes is reduced to the haploid number.
21. Oxygen consumption can be used as a measure of metabolic rate because oxygen is
(A) necessary for ATP synthesis by oxidative phosphorylation
(B) necessary to replenish glycogen levels
(C) necessary for fermentation to take place
(D) required by all living organisms
(E) required to break down the ethanol that is produced in muscles
22. Membranes are components of all of the following EXCEPT a
(A) microtubule
(В) nu
(C) Golgi apparatus
(D) mitochondrion
(E) lysosome
23. In a mesophyll cell of a leaf, the synthesis of ATP occurs in which of the following?
I.
Ribosomes
II.
Mitochondria
III.
Chloroplasts
(A) I only
(В) II only
(C)…
Mitosis differs from meiosis in the following ways EXCEPT:(a) Mitosis results in a full complement of chromosomesin two cells, whereas meiosis results in four cells havinghalf the number of chromosomes.(b) In mitosis, all chromosomes are replicated, whereas inmeiosis, only half are replicated.(c) Mitosis only occurs in somatic or body cells, whereasmeiosis occurs in production of gametes or sex cells.(d) None of the above.(e) a and c only
What is the major difference between mitosis and meiosis I in a diploid organism?
A) Sister chromatids separate in mitosis; homologous pairs of chromosomes separate in meiosis I.
B) Sister chromatids separate in mitosis; homologous pairs of chromosomes separate in meiosis II.
C) DNA replication takes place prior to mitosis, but not before meiosis I.
D) Only meiosis I results in daughter cells that contain identical genetic information.
Chapter 13 Solutions
Campbell Biology
Ch. 13.1 - MAKE CONNECTIONS Using what you know of gene...Ch. 13.1 - Prob. 2CCCh. 13.1 - WHATIF? A horticulturalist breeds orchids, trying...Ch. 13.2 - MAKE CONNECTIONS In Figure 13.4. how many DNA...Ch. 13.2 - VISUAL SKILLS In The karyotype shown in Figuro...Ch. 13.2 - Prob. 3CCCh. 13.2 - WHAT IF? A certain eukaryote lives as a...Ch. 13.3 - MAKE CONNECTIONS Comparc tho chromosomes in a...Ch. 13.3 - WHAT IF? After the synaptonemal complex...Ch. 13.4 - What is the original source of Variation among the...
Ch. 13.4 - The diploid number for fruit flies is 8, and the...Ch. 13.4 - Prob. 3CCCh. 13 - Explain why human offifuing resemble their parents...Ch. 13 - Prob. 13.2CRCh. 13 - Prob. 13.3CRCh. 13 - Prob. 13.4CRCh. 13 - A human cell containing 22 autosomes.and a Y...Ch. 13 - The two homologs of a pair move toward opposite...Ch. 13 - Meiosis II is similar to mitosis in that (A)...Ch. 13 - Prob. 4TYUCh. 13 - If we continue to follow the cell lineage from...Ch. 13 - DRAW IT The diagram shows a cell in meiosis. (a)...Ch. 13 - Explain how you can tell that the cell in question...Ch. 13 - EVOLUTION CONNECTION Many species can reproduce...Ch. 13 - SCIENTIFIC INQUIRY The diagram in quest ion 6...Ch. 13 - Prob. 10TYUCh. 13 - SYNTHESIZE YOUR KNOWLEDGE For selected answers,...
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- The formation of _______ during ______ occurs in meiosis, and is different from what occurs in mitosis. A) tetrad; prophase I B) metaphase plate; metaphase I C) centrosomes; prophase I D) spindle fibers; prophasearrow_forwardPhases of meiosis Prophase I a) DNA coils tightly to form visible chromosomes which appear rod-shaped. Each chromosome is made up of two strands of DNA. One strand of a double-stranded chromosome is known as a chromatid. The sister chromatids are held together by a region called the centromere. b) Nuclear membrane dissolves. c) In animal cells, a pair of centrioles (not visible on these slides) separate and with their newly formed asters (visible) move to each pole. d) Homologous chromosomes pair up. These pairs are called tetrads because there are two chromosomes, but four DNA molecules. Crossing-over occurs.arrow_forwardwhich of the following is not true about mitosis? a.) chromosomes line up in metaphase by connecting to kinetechore proteins b.) the process starts out as a diploid cell c.) dna replicates in M phase d.) cells can be 4n if cytokenisis does not occur at the endarrow_forward
- Homologous chromosomes are (a) the same thing as sister chromatids. (b) a pair of chromosomes of the same kind. (c) identical copies of the same chromosome. (d) always haploid.arrow_forward1. The somatic cells of cabbage contain 14 chromosomes. How many are present in each cell at the stage of mitosis or meiosis indicated? (Assume cytokenesis to occur at mid- telophase). (a) chromatids at Anaphase-l (b) chromatids at Anaphase (c) chromosomes at Metaphase-l (d) chromosomes at the close of Telophase-I (e) chromosomes at Telophase II.arrow_forward10) At what point during meiosis is the ploidy of the cell reduced by half? A) During Metaphase I B) During Metaphase II C) By the end of Telophase I D) By the end of Telophase IIarrow_forward
- a) In which stage of mitosis do chromosomes condense? (b) If a eukaryotic organism has a total of 34 chromosomes, how many pairs will the chromosomes be arranged in? (c) Define homologous chromosomes.arrow_forwardPhases of meiosis Anaphase I a) Homologous pairs separate. b ) Chromosomes are still double.arrow_forwardA diploid cell has 4C genetic material and 16 chromosomes at the start of cell division. Identify the: (1) no. of chromosome per cell at S phase (2) no. of pairs of homologous chromosomes per cell at Metaphase 1 (3) no. of chromosomes per cell at Anaphase 1 (4) amount of genetic material per cell after Meiosis 2 (5) amount of genetic material per cell after Meiosis 1arrow_forward
- Which of the following is a correct statement regarding mitosis and meiosis? A.)mitosis involves the generation of haploid cells B.)meiosis is used primarily for asexual reproduction C.)chromosomes are duplicated before mitosis but not meiosis D.)meiosis involves two sequential nuclear divisionsarrow_forwardThis form of cell division requires the doubling of DNA molecules prior to onset. (Choose one answer.) O A) mitosis only O B) meiosis only C) both mitosis and meiosis D) neither mitosis or or meiosis CS Scanned with CamScannerarrow_forwardIn prophase II of meiosis, each daughter cell is _____. A) diploid, and the chromosomes are each composed of a single chromatid B) diploid, and the chromosomes are each composed of two chromatids C) haploid, and the chromosomes are each composed of a single chromatid D) haploid, and the chromosomes are each composed of two chromatidsarrow_forward
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