Campbell Biology: Concepts & Connections (9th Edition)
9th Edition
ISBN: 9780134296012
Author: Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 5TYK
A fruit fly somatic cell contains 8 chromosomes. This means that _____ different combinations of chromosomes are possible in its gametes.
a. 8
b. 16
c. 32
d. 64
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. 1 During which phase of the meiotic cell cycle does DNA replication occur? a. interphase b. prophase c. metaphase d. anaphase e. telophase 2. When does crossover take place in meiosis? a. interphase b. prophase c. metaphase d. anaphase e. telophase 3. During which phase of meiosis does the nuclear membrane reform around chromosomes? a. interphase b. prophase I c. metaphase II d. anaphase I e. telophase II 4. A human cell containing 22 autosomes and a Y chromosome is... a. a somatic cell of a male b. a zygote c. a somatic cell of a female d. a sperm cell e. an ovum 5. Homologous chromosomes move towards opposite poles of a dividing cell during... a. mitosis b. meiosis I c. meiosis II d. fertilization e. binary fission 6. Meiosis II is similar to mitosis in that... a. homologous chromosomes synapse b. DNA replicates before the division c. the daughter cells are diploid d. sister chromatids separate during anaphase e. the chromosome number is reduced 7. Metaphase of meiosis I and…
The picture depicts what stage of MEIOSIS?
a. metaphase 1
b. metaphase Il
c. prophase 1
d. prophase II
Select an answer and submit. For keyboard navigation, use the up/down arrow keys
select an answer.
a
b.
appear during various stages of either mitosis or meiosis, and answer the following questions.
45. Refer to the drawings in Figure 13.2 of a single pair of homologous chromosomes as they might
II
II
IV
VI
Figure 13.2
Which diagram represents prophase I of meiosis?
a.
b. v
II
d. IV
e. VI
c.
46. If a cell does not receive a go ahead signal at the Gl checkpoint in the cell cycle
then it will
a. proceed on to the "S" phase
b. go directly to jail
c. proceed to mitosis
d. enter a nondividing state called the Go phase
DO not pass GO. DO not collect $200
47. When T2 phages infect bacteria and make more viruses in the presence of radioactive
phosphorus, what is the result?
The bacterial DNA will be radioactive.
The viral DNA will be radioactive. The boacterial DNA will be radioactive.
The viral DNA will be radioactive. The viral proteins will be radioactive.
b.
c.
The viral DNA will be radioactive.
d.
e. The viral proteins will be radioactive.
48. Each amino acid attaches to its proper tRNA…
Chapter 8 Solutions
Campbell Biology: Concepts & Connections (9th Edition)
Ch. 8 - Complete the following table to compare mitosis...Ch. 8 - If an intestinal cell in a grasshopper contains 24...Ch. 8 - Which of the following is not a function of...Ch. 8 - It is difficult to observe individual chromosomes...Ch. 8 - A fruit fly somatic cell contains 8 chromosomes....Ch. 8 - If a fragment of a chromosome breaks off and then...Ch. 8 - Which of the following phases of mitosis is...Ch. 8 - A biochemist measured the amount of DNA in cells...Ch. 8 - A micrograph of a dividing cell from a mouse...Ch. 8 - Cytochalasin B is a chemical that disrupts...
Ch. 8 - Why are individuals with an extra chromosome 21,...Ch. 8 - In the light micrograph below of dividing cells...Ch. 8 - An organism called a plasmodial slime mold is one...Ch. 8 - Prob. 14TYKCh. 8 - Discuss the factors that control the division of...Ch. 8 - Compare cytokinesis in plant and animal cells. In...Ch. 8 - Sketch a cell with three pairs of chromosomes...Ch. 8 - Suppose you read in the newspaper that a genetic...Ch. 8 - Bacteria are able to divide on a faster schedule...Ch. 8 - Prob. 20TYKCh. 8 - A mule is the offspring of a horse and a donkey. A...Ch. 8 - What you think of as a banana is a Cavendish, one...Ch. 8 - SCIENTIFIC THINKING The study described in Module...
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- How many chromatids are visible in a human cell at the start of anaphase I? a. 23 c. 92 b. 46 d. 184arrow_forwardIf a typical diploid somatic cell has 32 chromosomes, how many chromosomes are expected in each gamete of that organism? A. 32 B. 46. C. 64 D. 16 E. 0arrow_forwardWhich phase of meiosis reduces the chromosomenumber?a. prophase I c. anaphase Ib. prophase II d. anaphase IIarrow_forward
- The picture represent mitotic division. Cells represented in stage 2 are: a. haploid cells b. polyploid cells c. gametes d. somatic cellsarrow_forwardAll of the following is significant application of mitosis except. a. Cloning b. Budding c. Formation of Gametes d. Stem Cell Regeneration If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively? a. 6 and 12 b. 12 and 6 c. 6 and 3 d. 6 and 6 In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is A. doubled B. halved C. tripled D. the same Elongation of the cell undergoing the last phases of mitosis is due to A. movement of the chromosomes to the opposite poles B. increase in the volume of the cytoplasm that should be contained C. depolymerization of the spindle fibers connected to the kinetochore D. polymerization of the spindle fibers not connected to the kinetochorearrow_forwardIf an organism has gametes with 18 chromosomes, we know that each of his somatic cells will have __________chromosomes. a. 36 b. 32 c. 18 d. 9arrow_forward
- At which stage of meiosis are sister chromatids separated from each other? a. prophase I b. prophase II c. anaphase I d. anaphase IIarrow_forwardSister chromatids separate during anaphase of which of thefollowing?a. mitosis c. meiosis IIb. meiosis I d. both a and c.arrow_forwardIn what phase of meiosis would you find no chromatids? Group of answer choices A. telophase 2 B. metaphase 1 C. anaphase 1 D. metaphase 2 E. prophase 1arrow_forward
- A diploid species has 2N=6 total chromosomes. How many chromatids would be present in a somatic cell at Anaphase I of Meiosis? A. 24 B. 3 C. 6 D. 12arrow_forwardCan please these if they are correctarrow_forwardMicroscopic examination of a section of a normal young adult ovary reveals large numbers of unusually large cells surrounded by a single layer of flat epithelial cells. In which phase of the cell cycle are these cells arrested? A. Diplotene stage of the 1st meiotic division B. Diplotene stage of the 2nd meiotic division C. Metaphase stage of mitosis D. Prophase stage of mitosis E. Prophase stage of the 2nd meiotic divisionarrow_forward
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