Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Textbook Question
Chapter 17, Problem 7TY
Which is likely to be the shortest chain of
a. the DNA of a gene
b. the primary transcript of the gene
c. the mRNA
d. DNA, the primary transcript of the gene, and mRNA all contain the same number ofnucleotides.
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Chapter 17 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
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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- 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_forwardChoose the combination of answers that most accurately completes the statement. Which of these features is found in eukaryotes but not bacteria? a. polygene mRNAs c. stop codon b. intronsarrow_forwardWhat 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_forward
- Which enzyme is responsible for the synthesis of pre-mRNA? A. RNA polymerase I B. RNA polymerase II C. RNA polymerase III D. RNA polymerasearrow_forwardHow many nucleotides are in 12 mRNA codons? a. 12 b. 24 c. 36 d. 48arrow_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
- Mutation occurs in which part of the central dogma process? a. replication b. transcription c. transation d. synthesisarrow_forwardWhat is the genetic code? a. The relationship between a three-base codon sequence and an amino acid or the end of translation b. The entire base sequence of an mRNA molecule c. The entire sequence from the promoter to the terminator of a gene d. The binding of tRNA to mRNAarrow_forwardHow many initiation codons are there? a. 1 b. 3 c. 4 d. 20arrow_forward
- Which statement BEST DESCRIBES the tRNA structure? A. Amino acids bind to the 5′ end of the tRNA molecule. B. When a tRNA has an amino acid attached to it, it is considered to be a charged tRNA C. Synthetases are not important to tRNA D. Amino acids are linked to tRNAs with hydrogen bondsarrow_forwardWhich answer correctly compares the primary transcript in a prokaryotic cell with the functional MRNA? O the primary transcript and the MRNA both contain introns O the primary transcript is smaller than the MRNA O the primary transcript is larger than the MRNA none of these O the primary transcript is the same size as the MRNAarrow_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
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