EP HUMAN BIOLOGY-MODIFIED MASTERING
8th Edition
ISBN: 9780134326436
Author: Johnson
Publisher: PEARSON CO
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Textbook Question
Chapter 17, Problem 8TY
How many different amino acids could be encoded if the genetic code was a doublet code (two bases) instead of a triplet code?
a. 2
b. 4
c. 8
d. 16
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Check out a sample textbook solutionStudents have asked these similar questions
What is a reasonable length for an RNA primer in E.coli?
A.
1000 nucleotides
B.
100 nucleotides
C.
50 nucleotides
D.
a few nucleotides
How many base pairs are there in a 6.8 nanometer DNA sequence?
A. 5
B. 10
C. 15
D. 20
What defines one end of a DNA molecule as the 5’ end?
a. What defines the other end at the 3’ end?
b. When two strands of DNA are paired together to form a functional molecule, what is interesting to note about their 5’ and 3’ ends?
Chapter 17 Solutions
EP HUMAN BIOLOGY-MODIFIED MASTERING
Ch. 17 - How do you feel about the creation and then...Ch. 17 - How far should we go–to what lengths and at what...Ch. 17 - Describe how DNA is replicated before cell...Ch. 17 -
2. Compare and contrast the processes of...Ch. 17 - Explain what mutations are and the role of DNA...Ch. 17 - Name the four phases of mitosis and describe...Ch. 17 -
5. Explain why only one large egg is formed...Ch. 17 - Describe what is meant by selective gene...Ch. 17 - Explain how factors present in the environment can...Ch. 17 - Describe how ribosomes contribute to the formation...
Ch. 17 - Prob. 9CRCh. 17 - Prob. 10CRCh. 17 - What would be the outcome if a cell completed...Ch. 17 - Prob. 2TYCh. 17 - Prob. 3TYCh. 17 - Prob. 4TYCh. 17 - Which of the following are listed in order from...Ch. 17 - Prob. 6TYCh. 17 - Which is likely to be the shortest chain of...Ch. 17 - How many different amino acids could be encoded if...Ch. 17 - Prob. 9TYCh. 17 - Why do cells within an organism differentiate,...Ch. 17 - Which method of cloning is most similar to the way...Ch. 17 - Prob. 12TYCh. 17 - Prob. 13TYCh. 17 - Prob. 14TYCh. 17 -
15. How does the production of sperm differ from...Ch. 17 - Prob. 1AWKCh. 17 - Prob. 2AWKCh. 17 - Prob. 3AWKCh. 17 - Prob. 4AWKCh. 17 - Mitochondria contain their own DNA that is...Ch. 17 - Bacteria can reproduce by simple cell division....
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- Which type of mutation produces the same protein despite a change in the DNA? A. nonsense B. missense C. silent D. frameshiftarrow_forwardWhat term is used to describe the fact that the 5' end of one strand lines up with the 3' end of the complimentary strand? a. Antiverted b. Cross listed c. Reverse d. Antiparallelarrow_forwardIn the sequences below, which is the coding strand and which is the template strand? A. 5 - ATTATGCCGTAGCTCC - 3 B. 3 - TAATACGGCATCGAGG - 5'arrow_forward
- With regard to transcriptional termination in eukaryotes, which model suggests that RNA polymerase is physically removed from the DNA? a. Allosteric model b. Torpedo model c. Both models d. Neither modelarrow_forwardWhat is the invariant region of nucleic acids? A. Sugar group B. Nitrogenous base C. Methylation D. Phosphate grouparrow_forwardChoose the combination of answers that most accurately completes the statement. Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easierarrow_forward
- Choose the combination of answers that most accurately completes the statement.Why must the lagging strand of DNA be replicated in short pieces? a. because of limited space b. otherwise, the helix will become distorted c. the DNA polymerase can synthesize in only one direction d. to make proofreading of code easierarrow_forwardA primer is laid down complementary to the DNA sequence TAGCAATCGCA to prime synthesis of a daughter strand. What will the sequence of the primer be? A. ATCGTTAGCGT B. ATGGTTAGGGT C. AUCGUUAGCGU D. AUCGTUAGCGTarrow_forwardA mutation in which of these proteins will lead to increased mutations in all daughter cells? A. helicase B. topoisomerase C. ligase D. DNA polymerasearrow_forward
- What feature of a DNA fragment causes it to move through a gel during electrophoresis? a. the electrical charges of its phosphate groups b. its nucleotide sequence c. the hydrogen bonds between its base pairs d. its double helix shapearrow_forwardBase analogs are mutagenic because of which characteristic? a. They produce changes in DNA polymerase that cause it to malfunction. b. They distort the structure of DNA. c. They are similar in structure to the normal bases. d. They chemically modify the normal bases.arrow_forwardHow are nucleotides connected to each other in a single strand of DNA? A. The nitrogenous bases and acids link the separate nucleotides into a chain. B. The phosphate group of one nucleotide binds to the sugar on the next nucleotide. C. The hydroxy group of one nucleotide stabilizes the phosphate group of the adjacent nucleotide. D. The sugar of one nucleotide binds directly to the sugar of the adjacent nucleotide.arrow_forward
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