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 1SQ
Which is not a
- a. adenine
- b. glutamine
- c. guanine
- d. thymine
- e. cytosine
- f. all are in DNA
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Which is not true of RNA?
a. It is usually single-stranded.
b. It functions in the cytoplasm.
c. It contains uracil.
d. It contains ribose.
e. There are 4 functional types.
Which helps prevent errors in DNA replication?
A) Complementary base pairing reduce errors
B) DNA ligase checks the DNA for errors
C) DNA is located in the ribosomes
D) Any base can pair with any other base
Which statement best describes the structure of a DNA molecule
A. DNA is single-stranded and straight molecule
B. DNA is a double-stranded molecule that looks like a spiral staircase
C. DNA is a double stranded molecule that is straight like a ladder
D. DNA is a single-stranded and curly molecule
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 backbone of DNA molecule is made of? a. nucleotides b. alternating phosphates and bases c. alternating bases and sugars d. alternating sugar and phosphate moleculesarrow_forwardLevene made which contribution to our understanding of DNA structure? a. He determined that the nucleus contains DNA. b. He determined that DNA contains four nitrogenous bases c. He determined that DNA consists of nucleotides. d. He determined that the nitrogenous bases of DNA are present in regular ratiosarrow_forwardWhich statement BEST DESCRIBES the genetic code? A. There can only be one codon for multiple amino acids. B. There are only 10 different amino acids in proteins. C. More than one codon for a specific amino acid. D. The genetic is misinterpreted to have U instead of T.arrow_forward
- Which event contradicts the central dogma of molecular biology? a. Poly-A polymerase enzymes process mRNA in the nucleus. b. Endonuclease enzymes splice out and repair damaged DNA. c. Scientists use reverse transcriptase enzymes to make DNA from RNA. d. Codons specifying amino acids are degenerate and universal.arrow_forwardDNA _______________ adds an RNA primer that is complement to the template strand of DNAarrow_forwardWhich is true of the lagging strand in DNA synthesis? a. It is built elongating towards the replication fork b. It is composed entirely of RNA c. It is built in the 3’ to 5’ direction d. It elongates in a series of segments, rather than continuouslyarrow_forward
- What is meant by the term DNA replication? a. synthesis of nucleotides b. cell division c. interpretation of the genetic code d. the exact copying of the DNA code into two new moleculesarrow_forwardI need help with a biology question: The rules for the pairing of nitrogen bases in DNA is Group of answer choices a. A = C and G = T b. A = C and G = T c. A = G and C = T d. A = T and G = Carrow_forwardThe _____ A. Nucleic acid B. Protein C. Carbohydrate D. Lipid DNA is made up of monomers called _____? A. Amino acids B. Nucleotides C. Monosaccharidesarrow_forward
- _____________ is a mechanism that removes and replaces individual nucleotides in DNA when bases have been damaged.arrow_forwardWhich statement best describes the relationship between protein, amino acids, and DNA? DNA codes for proteins. Proteins are made up of amino acids. DNA codes for amino acids. Amino acids are made up of proteins. Amino acids code for DNA. DNA is made up of protein. Amino acids code for protein. Protein is made up of DNA.arrow_forwardWhich statement about DNA is FALSE? A. DNA is present in and essential for all living cells. B. DNA is located in the nucleus of eukaryotic cells. C. DNA is not always perfectly copied during DNA replication D. All DNA molecules in human cells are circular.arrow_forward
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