Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 13.4, Problem 1CS
Non-coding RNAs and Protein Sorting
Core Skill: Connections Refer back to Figure 4.32. Which types of proteins need SRP to reach their proper location, and which do not?
Figure 4.32 Three pathways for protein sorting in a eukaryotic cell. Proteins either remain in the cytosol, are sorted to the ER (cotranslational sorting), or are sorted after they are completely synthesized (post-translational sorting).
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Q4. If you imagine a messenger RNA molecule in the cytoplasm of a cell, which of the following will likely affect how much protein is made by translation of this message?
A. The presence of appropriate snRNPs.
B. The length of the polyA tail.
C. The strength of hydrogen bonds holding the mRNA to ribosomal RNA.
D. The ability of the mRNA to pair with itself to form a helix-turn-helix structure.
Multipass transmembrane proteins synthesized by ribosomes on the rough endoplasmic reticulum generally have which of the following arrangements of start-transfer and stop-transfer signals?
multiple start signals and multiple stop signals (to allow multiple transmembrane regions)
multiple start signals, but only one stop signal (to allow only one transmembrane region)
only one start signal, but multiple stop signals (to allow only one transmembrane region)
only one start signal, and only one stop signal (to allow only one transmembrane region)
only one stop signal, and only one start signal (to allow only one transmembrane region)
Practice HW
make a nucleotide sequence (Template strand and Coding strand) of at least 15 base pairs for each of these steps to show your understanding of how genetic information is stored and used within a cell make sure that there are start and stop positions and note the direction of the sequence--- 5’ to 3’ or 3’ to 5.
Chapter 13 Solutions
Biology
Ch. 13.1 - Prob. 1CCCh. 13.2 - Prob. 1CCCh. 13.3 - Prob. 1EQCh. 13.3 - Prob. 2EQCh. 13.3 - Prob. 3EQCh. 13.3 - Effects of Non-coding RNAs on Translation and mRNA...Ch. 13.4 - Non-coding RNAs and Protein Sorting Core Skill:...Ch. 13.5 - Core Skill: Modeling The goal of this modeling...Ch. 13 - Prob. 1TYCh. 13 - Prob. 2TY
Ch. 13 - Prob. 3TYCh. 13 - Prob. 4TYCh. 13 - Prob. 5TYCh. 13 - Prob. 6TYCh. 13 - With regard to miRNAs and siRNAs, which of the...Ch. 13 - Cas1 and Cas2 proteins play a role during which of...Ch. 13 - Which of the following components bind to...Ch. 13 - Abnormalities in the expression of ncRNAs are...Ch. 13 - An ncRNA may have one or more of the following...Ch. 13 - What is RNA interference (RNAi)? Explain how the...Ch. 13 - Prob. 3CQCh. 13 - Prob. 1COQCh. 13 - Go to the PubMed website and search for non-coding...
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