BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 2FTB
The subunits of DNA are assembled by linking the_________ of one
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DNA contains _________ polynucleotide strands, each composed of _________ kinds of nucleotides. (Provide two numbers.)
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 molecules
DNA is a polymer, which means it is made of repeating subunits called monomers. What are the monomers of DNA called?
Chapter 12 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 12 - 1. If a parental DNA strand has the base sequence...Ch. 12 - 2. What happens at the conclusion of DNA...Ch. 12 - An insertion mutation occurs when a nucleotide is...Ch. 12 - The rungs of the DNA double helix consist of any...Ch. 12 - The “rungs” of the DNA double helix are held...Ch. 12 - 1. DNA consists of subunits called_________. Each...Ch. 12 - The subunits of DNA are assembled by linking...Ch. 12 - The “base pairing rule” in DNA is that adenine...Ch. 12 - 4. When DNA is replicated, two new DNA double...Ch. 12 - The DNA double helix is unwound by an enzyme...
Ch. 12 - 6. Sometimes mistakes are made during DNA...Ch. 12 - Describe the experimental evidence that DNA is the...Ch. 12 - 2. Draw the general structure of a nucleotide....Ch. 12 - Describe the structure of DNA. Where are the...Ch. 12 - How is information encoded in the DNA molecule?Ch. 12 - 5. Describe the process of DNA replication.
Ch. 12 - How do mutations occur? Describe the principal...Ch. 12 - 1. In an alternate universe, although proteins are...Ch. 12 - Prob. 2AC
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- Which is not a nucleotide base in DNA? a. adenine c. glutamine e. cytosine b. guanine d. thymine f. All are in DNA.arrow_forwardDNA consists of ___________ polymers of DNA which are joined together by ___________________ bonds between the nitrogenous bases. Because there are two strands in DNA, and because they spiral around each other, we call DNA a ________________ helix molecule.arrow_forwardThe structure of DNA is aarrow_forward
- DNA ________ Depends on Differences in Length of Simple-Sequence DNAs.arrow_forwardWhat is the smallest unit of DNA is called ________?arrow_forwardDNA nucleotides are joined together by blank bonds between the sugar and phosphate groups to make a single dna strand while the two strands of dna that make up the double helix are held to one another by blank bondsarrow_forward
- Whole DNA chromosomes are kept in the nucleus while small nucleotide monomers move into and out of the nucleus through the ____arrow_forwardThe two strands in DNA are not identical but complementary. Explain.arrow_forwardThe relationship between the sequence of DNA bases and amino acids in protein is best stated as ____ The DNA sequence is determined by the amino acid sequence of DNA polymerase The DNA sequence is determined by the amino acids in proteins. The sequence of amino acids is determined by the DNA sequence of a genearrow_forward
- Describe the structure of DNAarrow_forwardIf four bases in one DNA strand are A (adenine), G (guanine), C (cytosine), and T (thymine), the complementary bases in the RNA strand made from this region are a.T,C,G,A. b.C,G,A,U. c.A,G,C,U. d.U,C,G,A.arrow_forwardWhich statement about DNA bases is true? A. Adenine and guanine are purines. B. Thymine and adenine are pyrimidines. C. Guanine and cytosine are pyrimidines. D. Guanine and cytosine are purines. E. None are correctarrow_forward
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