Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 19, Problem 2TYK
How do pseudogenes differ from genes?
a. They are not transcribed.
b. They contain longer open reading frames (ORFs).
c. They do not have introns.
d. They use a different genetic code.
e. Their protein-coding sequence contains more than one startcodon.
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Why do cells have proto-oncogenes? What is their function? Use specific examples in your explanation.
What is a proteome?
a. The collection of all genes encoding proteins
b. The collection of all proteins encoded by the genome
c. The collection of all proteins present in a cell
d. The amino acid sequence of a protein
Why is regulating transcription the main way that cells control gene expression?
A.
Because transcription is the last step in gene expression, stopping here ensures that the cell has a stockpile of proteins to prepare them from all unexpected environmental changes.
B.
Because transcription involves interactions with DNA, preventing transcription reduces the changes of mutation in the cell’s genome.
C.
Because transcription is the first step in gene expression, stopping at transcription reduces the amount of energy and resources used by producing unnecessary gene products.
D.
Because transcription is the shortest step in gene expression, preventing transcription has little effect on the rate of protein production.
Chapter 19 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 19.1 - What additional biological questions can be...Ch. 19.2 - What is the principle behind whole-genome shotgun...Ch. 19.2 - Prob. 2SBCh. 19.2 - Prob. 3SBCh. 19.2 - Prob. 4SBCh. 19.3 - Prob. 1SBCh. 19.3 - Prob. 2SBCh. 19.3 - Prob. 3SBCh. 19.4 - Prob. 1SBCh. 19.4 - Prob. 2SB
Ch. 19 - Prob. 1TYKCh. 19 - How do pseudogenes differ from genes? a. They are...Ch. 19 - Prob. 3TYKCh. 19 - Prob. 4TYKCh. 19 - Prob. 5TYKCh. 19 - Prob. 6TYKCh. 19 - About 95% of the average human transcription unit...Ch. 19 - Prob. 8TYKCh. 19 - Prob. 9TYKCh. 19 - When two protein-coding genes have very similar...Ch. 19 - Prob. 11TYKCh. 19 - Prob. 12TYKCh. 19 - Prob. 13TYKCh. 19 - Discuss Concepts The genome of the yeast...Ch. 19 - Prob. 15TYKCh. 19 - Prob. 16TYKCh. 19 - Prob. 17TYKCh. 19 - Below is a sequence of 540 bases from a genome....
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