Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 14SQ
All mutations ________.
- a. result from radiation
- b. lead to evolution
- c. are caused by DNA damage
- d. change the DNA sequence
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A neutral mutation_____ . a. has a pH of 7.0 b. has no effect on survival c. does not alter the DNA sequence
Evolution______ . a. is change in a line of descent b. is the same as natural selection c. is the goal of natural selection d. explains the origin of life
a mutation in dna that adds +1 ot -1 nucleotide or +2 or -2 nucleotides is called a______? (choose one answer only)
A. frameshift mutation
B. silent mutation
C. nonsense mutation
D. missense mutation
Chapter 8 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. AG, TC...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. 7SQCh. 8 - When DNA replication begins, ______. a. the two...Ch. 8 - Which of the following is/are not required for DNA...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - The phrase "5 prime to 3 prime" refers to the...Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Match the terms appropriately. ______...Ch. 8 - All mutations ________. a. result from radiation...Ch. 8 - Prob. 15SQCh. 8 - Determine the complementary strand of DNA that...Ch. 8 - Review Figures 8.12 and 8.13. In cells, the...Ch. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- The fossil record shows how ________________ a. dead organisms were buried b. organisms have changed over time and when organisms lived on Earth c. parents of the offsprings d. evolution occurredarrow_forwardIn humans, mutations can be the result of _________________. * A. racial discrimination B. political intervention C. exposure to harmful level of radiation D. migration pattern 2. Which of the following causes a decreasing wildlife population in most of the places in our country? * A. loss of limiting factor B. loss of natural disturbances C. loss of habitat D. loss of carrying capacityarrow_forwardOne way to determine how closely related two species are is to analyze _____, which determines the amino acid sequence of proteins.a. DNAb. carbohydratesc. mutationsd. fingerprintsarrow_forward
- Mutations are __________. A. The sole source of variation in a sexually reproducing organisms B. The ultimate source of variation in sexually reproducing organisms C. Both genetic and chromosomal in nature D. All of these are correctarrow_forwardThe addition of methyl groups to DNA by chemicals in tobacco can cause DNA to _____. a. replicate b. hybridize c. fragment d. polymerize e. mutatearrow_forwardStanley Miller’s experiment demonstrated that ________ .a. Earth is more than 4 billion years oldb. under some conditions, amino acids can assemblespontaneously from inorganic materialsc. oxygen is necessary for all lifed. RNA was the first genomearrow_forward
- The process in which environmental pressures result in the differential survival and reproduction of individuals of a population is called_____ . a. catastrophism c. natural selection b. evolution d. geneticsarrow_forwardLife first appeared on Earth ___________ of years ago.Choose one: A. billions B. hundreds of thousands C. thousands D. millionsarrow_forwardThe word “theory” in theory of evolution is best replaced by ________. a. fact b. hypothesis c. idea d. alternate explanationarrow_forward
- The genome of________ can be either RNA or DNA. a. a bacterium c. a virus b. a eukaryote d. an archaeonarrow_forwardA set of cells that host various DNA fragments collectively representing an organism’s entire set of genetic information is a_____ . a. genome c. genomic library b. clone d. GMOarrow_forwardChase and Hershey provided the final evidence that ________. a. nucleic acids exist b. DNA is the genetic material c. hereditary information could be transferred horizontally rather than by descentarrow_forward
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