Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Textbook Question
Chapter 3.11, Problem 2CYU
How do the A, P, and E ribosomal sites differ functionally during protein synthesis?
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How do the A, P, and E ribosomal sites differ functionally during protein synthesis?
If DNA codes for mRNA and mRNA codes for protein, then how can the same DNA sequence generate different proteins?
What are the 3 tRNA sites on the small ribosomal subunit (just abbreviations)? What is the order of tRNA entrance and exit through the ribosome?
How does the transcribed mRNA convert into a functional protein?
Chapter 3 Solutions
Anatomy & Physiology (6th Edition)
Ch. 3.1 - Summarize the four key points of the cell theory.Ch. 3.1 - How would you explain the meaning of a generalized...Ch. 3.2 - What basic structure do all cellular membranes...Ch. 3.2 - What is the importance of the glycocalyx in cell...Ch. 3.2 - Prob. 3CYUCh. 3.2 - Phospholipid tails can be saturated or unsaturated...Ch. 3.3 - What is the energy source for all types of...Ch. 3.3 - What determines the direction of any diffusion...Ch. 3.3 - What are the two types of facilitated diffusion...Ch. 3.4 - What happens when the Na+-K+ pump is...
Ch. 3.4 - As a cell grows, its plasma membrane expands. Does...Ch. 3.4 - Prob. 3CYUCh. 3.4 - Which vesicular transport process allows a cell to...Ch. 3.5 - What process establishes the resting membrane...Ch. 3.5 - Is the inside of the plasma membrane negative or...Ch. 3.6 - What term is used to indicate signaling chemicals...Ch. 3.7 - Which organelle is the major site of ATP...Ch. 3.7 - What are three organelles involved in protein...Ch. 3.7 - Compare the functions of lysosomes and...Ch. 3.7 - How are microtubules and microfilaments related...Ch. 3.7 - Prob. 21CYUCh. 3.8 - Prob. 22CYUCh. 3.9 - If a cell ejects or loses its nucleus, what is its...Ch. 3.9 - What is the role of nucleoli?Ch. 3.9 - What is the role of nucleoli?Ch. 3.10 - If one of the DNA strands being replicated reads...Ch. 3.10 - During what phase of the cell cycle is DNA...Ch. 3.10 - What are three events occurring in prophase that...Ch. 3.11 - Codons and anticodons are both three-base...Ch. 3.11 - How do the A, P, and E ribosomal sites differ...Ch. 3.11 - What is the role of DNA in transcription?Ch. 3.12 - What is the importance of ubiquitin in the life of...Ch. 3.12 - Prob. 2CYUCh. 3 - The smallest unit capable of life by itself is (a)...Ch. 3 - Prob. 2MCCh. 3 - Prob. 3MCCh. 3 - The term used to describe the type of solution in...Ch. 3 - Osmosis always involves (a) a selectively...Ch. 3 - Prob. 6MCCh. 3 - Prob. 7MCCh. 3 - The endocytotic process in which a sampling of...Ch. 3 - Prob. 9MCCh. 3 - The nuclear substance composed of histone proteins...Ch. 3 - The information sequence that determines the...Ch. 3 - Mutations may be caused by (a) X rays, (b) certain...Ch. 3 - The phase of mitosis during which centrioles each...Ch. 3 - Final preparations for cell division are made...Ch. 3 - The RNA synthesized on one of the DNA strands is...Ch. 3 - The RNA species that travels from the nucleus to...Ch. 3 - If DNA has a sequence of AAA, then a segment of...Ch. 3 - A nerve cell and a lymphocyte are presumed to...Ch. 3 - Prob. 19MCCh. 3 - Explain why mitosis can be thought of as cellular...Ch. 3 - Contrast the roles of ER-bound ribosomes with...Ch. 3 - Cells lining the trachea have whiplike motile...Ch. 3 - Name the three phases of interphase and describe...Ch. 3 - Comment on the role of the sodium-potassium pump...Ch. 3 - Differentiate between primary and secondary active...Ch. 3 - Cell division typically yields two daughter cells,...
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- Does mRNA bind to one or to both ribosomal subunits in the course of protein synthesis?arrow_forwardWhat are the two main steps to protein synthesis and where do they take place? What are the different types of RNA used and what are their roles? How important is nucleotide order to the process?arrow_forwardWhere are tRNA and their corresponding amino acids found in the cell prior to attachment to make a protein?arrow_forward
- A segment of DNA has the followimg sequence of bases.. 5'-ATGCAATGATATTGAAGCTTA-3' a) What sequence of bases would appear in mRNA transcribed from this segment? b) Assume the first base in this mRNA is the beginning of a codon. What order of amino acid would be translated into a polypeptide synthesized along this segment? c) Give anticodons for each tRNA associated with the translation in part (b)arrow_forwardSuppose that a DNA segment has the following nucleotide sequence: CTC ATA CGA TTC AAG TTA. Which of the following nucleotide sequences would be found in a complementary mRNA strand? (a) GAG UAU GAU AAC UUG AAU. (b) GAG TAT GCT AAG TTC AAT. (c) GAG UAU GCU AAG UUC AAU. (d) GUG UAU GGA UUG AAC GGU.arrow_forwardWhere are subunits of ribosomes synthesized and assembled?arrow_forward
- Where is the site of ribosomal rna produced?arrow_forwardWhat are the components of the initiation complex in protein synthesis? How do they interact with one another?arrow_forwardHow does it improve the efficiency of protein synthesis to have several binding sites for tRNA close to each other on the ribosome?arrow_forward
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