BIOLOGY
12th Edition
ISBN: 9781264839698
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 1, Problem 6U
The molecule DNA is important to biological systems because
a. it can be replicated.
b. it encodes the information for making a new individual.
c. it forms a complex, double-helical structure.
d.
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Which of the following describes sequencing by synthesis?
A. Large sections of DNA are inserted into a plasmid.
B. DNA sequence is recorded as the complementary strand is built.
C. Many copies of the DNA are made, each terminating at a specific nucleotide.
D. A DNA strand is forced through a pore and its sequence synthesized as it passes through.
Genetic information flows in one direction. Which of the following exceptions can actually occur?
a.
DNA to Protein
b.
RNA to DNA
c.
Protein to DNA
d.
Protein to RNA
Which of the following statements accurately describes the process of DNA
replication?
A. The two strands of DNA separate, and a single new strand is synthesized using
the existing strand as a template.
B. The two strands of DNA separate and serves as a template, and the daughter
molecule will have a mix of an old and new strand.
C. The two strands of DNA separate and serves as a template, and the daughter
molecule will have one old strand and one new strand.
D. The two strands of DNA separate, and each strand serves as a template for the
synthesis of multiple new complementary strands.
Chapter 1 Solutions
BIOLOGY
Ch. 1.1 - Compare biology to other natural sciences.Ch. 1.1 - Prob. 2LOCh. 1.1 - Prob. 3LOCh. 1.2 - Compare the different types of reasoning used by...Ch. 1.2 - Demonstrate how to formulate and test a...Ch. 1.3 - Examine Darwins theory of evolution by natural...Ch. 1.3 - Describe the evidence that supports the theory of...Ch. 1.4 - Discuss the core concepts that underlie the study...Ch. 1 - Data analysis What is the effect of reducing the...Ch. 1 - Inquiry question Might this effect be achieved...
Ch. 1 - Prob. 2IQCh. 1 - Prob. 1UCh. 1 - Prob. 2UCh. 1 - A hypothesis in biology is best described as a. a...Ch. 1 - Prob. 4UCh. 1 - The cell theory states that a. cells are small. b....Ch. 1 - The molecule DNA is important to biological...Ch. 1 - The organization of living systems is a. linear...Ch. 1 - The idea of evolution a. was original to Darwin....Ch. 1 - What is the significance of Pasteurs experiment to...Ch. 1 - Which of the following is NOT an example of...Ch. 1 - How is the process of natural selection different...Ch. 1 - If you found a fossil for a modem organism next to...Ch. 1 - The theory of evolution by natural selection is a...Ch. 1 - In which domain of life would you find only...Ch. 1 - Evolutionary conservation occurs when a...Ch. 1 - Exobiology is the study of life on other planets....Ch. 1 - The classic experiment by Pasteur (figure 1.4)...
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- Which of the following statements best describes DNA and RNA? a. Both are found in chromosomes b. DNA is found in chromosomes, RNA is not. c. RNA is found in chromosomes, DNA is not. d. neither is found in chromosomesarrow_forwardThe information a cell needs to function is found on the DNA molecule in the form of a. multiple combinations of unknown chemicals. b. RNA subgroups. c. a spiral helix. d. four bases and the order in which they appear.arrow_forwardA promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA nucleotides c. a protein that binds to DNA d. an enzyme that synthesizes RNAarrow_forward
- Which of the following statements about nucleic acids is not correct? Select one: A. In DNA the distance between the strands of the double helix is relatively constant. B. The growing DNA polymer is synthesized in the 5' to 3' direction. C. The enzymes that catalyze DNA synthesis are known as DNA polymerases. D. RNA strands are synthesized in the 3' to 5' direction. E. Unlike DNA, RNA is easily cleaved because the 2'-OH group of the ribose is a nucleophile that catalyzes hydrolysis of the strand.arrow_forwardWhich of the following schemes for molecular information flow never occurs in cellular life forms? a. DNA to rRNA b. mRNA to protein c. DNA to tRNA d. DNA to mRNA e. RNA to DNAarrow_forwardThe antiparallel nature of DNA refers to a. its charged phosphate groups. b. the pairing of bases on one strand with bases on the other strand. c. the formation of hydrogen bonds between bases from opposite strands. d. the opposite direction of the two strands of nucleotides.arrow_forward
- Which of the following sequences is correct? a. Nucleotides → gene →DNA → Chromosome b. DNA → Chromosomes → Gene → genome c.Nucleotide → DNA → gene → Chromosome d. Genome → gene → DNA → nucleotidearrow_forwardWhich of the following is NOT true of the structure of DNA? Select one: a. The backbone is made up of alternating sugars and phosphates. b. Nitrogenous bases A and C bond together, and bases T and G bond together. c. It contains all of the genetic information for an individual. d. The molecule has the shape of a coiled ladder.arrow_forwardWhich of the following is NOT true of the structure of DNA? a. Nitrogenous bases A and C bond together, and bases T and G bond together. b. It contains all of the genetic information for an individual. c. The backbone is made up of alternating sugars and phosphates. d. The molecule has the shape of a coiled ladder.arrow_forward
- The phosphodiester bond in DNA links: a. The 2’ carbon of the ribose to the 3’ carbon of the subsequent ribose. b. The 3’ carbon of the ribose to the 5’ carbon of the subsequent ribose. c. The 3’ carbon of the ribose to the 2’ carbon of the subsequent ribose. d. The 2’ carbon of the ribose to the 5’ carbon of the subsequent ribose. e. The 1’ carbon of the ribose to the 5’ carbon of the subsequent ribose.arrow_forwardWhich of the following is not true with respect to DNA? a. A nucleic acid that contains the genetic instructions used in the development and functioning of all modern living organisms. b. The helix geometry of DNA is of B-Form. DNA is completely protected by the body, i.e., the body destroys enzymes that cleave DNA. DNA can be damaged by exposure to Ultra-violet rays. c. The pairing of bases: A-T (Adenine-Thymine), G-C (Guanine-Cytosine) d. Consists of a deoxyribose sugar, a phosphate backbone, four bases: adenine, guanine, cytosine and uracil. e. None of the abovearrow_forwardExplain why scientists preferred proteins as the source of genetic material over DNA. A. DNA seemed too simple of a molecule compared to proteins B. Proteins are made up of combinations of 20 different amino acids compared to DNA's 4 bases. The larger number seemed more likely to account for all the variety and diversity in organisms. C. Scientists knew more about proteins than they did DNA. D. All of the answers are correct explanations.arrow_forward
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