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 2TYK
If an intestinal cell in a grasshopper contains 24 chromosomes, then a grasshopper sperm cell contains _____ chromosomes.
a. 6
b. 12
c. 24
d. 48
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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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- Identify the human cells that would be diploid. a. egg b. muscle Cc. spermarrow_forwardThe 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.arrow_forwardWhich of these things happens in meiosis but Not mitosis? A. sister chromatids separate from each other B. diploid daughter cells are formed C. homologous chromosomes pair uparrow_forward
- 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…arrow_forwardhow many chromosomes are present in a human cell during anaphase of mitosis? A. 23 B. 92 C. 22 D. 0 E. 46arrow_forwardA cell in metaphase of mitosis has 20 chromosomes. Therefore, this cell has 40 chromatids. The same cell will have how many chromosomes at anaphase of mitosis? A. 10 B. 40 C. 60 D. 20arrow_forward
- In which stage of meiosis is crossing over initiated?a. prophase I c. metaphase IIb. anaphase I d. interphasearrow_forwardA Which picture is a picture of mitotic cell division in animal cells? O A. Picture A O B. Picture B B.arrow_forward. 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…arrow_forward
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