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, Problem 15MC
The RNA synthesized on one of the DNA strands is (a) mRNA, (b) tRNA, (c) rRNA, (d) all of these.
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Once translated into proteins:
(a) How many nucleotides are there?
(b) How many codons are there?
(c) How many amino acids?
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a) rRNA, b) tRNA c) mRNA
Name an enzyme that acts on each molecule.(a) Lactose (b) Protein (c) RNA
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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- If a protein is made up of 1000 amino acids 1) How many nucleotides will its mRNA contain between (and including) the start and stop codon? _____ 2) How many codons will this mRNA contain? _____ 3) How many tRNA molecules will be needed to make that protein? _____arrow_forwardWhich statement below about mRNA is true? A)A gene's promoter sequence is transcribed into mRNA. B)Translation begins at the 5′ end of a molecule of mRNA C)mRNA is complementary to the coding strand of DNA. D)Some regions of mRNA are not translated into amino acids.arrow_forwardThe base sequence on one strand of DNA is ATGTCTATA(i) Give the base sequence of its complementary strand.(ii) If an RNA strand is transcribed from this strand what would be the base sequence of RNA?(iii) What holds these base pairs together?arrow_forward
- Distinguish between DNA and RNA on the basis of following: a) chemically b) functionally c) by location in the cellarrow_forward16) PROTEIN SYNTHESIS: A) Describe the process of protein synthesis. Be sure to use transcription and translation in your answer (and explain the parts involved in each process) B) Why is RNA transcription a necessary process?arrow_forwardDuring protein synthesis, one amino acid binds to RNA molecules. a) What is this RNA molecule? b) Draw an example of this binding processarrow_forward
- (a) In what important ways do the α helix and β sheet structures differ? (b) How are they similar?arrow_forwardSelect the best answer or answers from the choices given: If DNA has a sequence of AAA, then a segment of mRNA synthesized on it will have a sequence of (a) TTT, (b) UUU, (c) GGG, (d) CCC.arrow_forward(a) Describe the different stages that process of Protein synthesis. (b) using four examples of antibiotic inhibitors of translation, outlinehow the inhibition occurs.arrow_forward
- The sequence of nucleotides found in mRNA is determined by the a) structure of DNA polymerase, b) sequence of amino acids in a protein, c) large complex proteins, d) sequence of nucleotides in a gene, e) fatty acids and glycerol in the cell.arrow_forwardare stacked upon each other to make up strands of DNA. (a)Nucleotides (b)RNA (c)Ribosomes (d)Amino acidsarrow_forwardThe anticodon of a particular tRNA molecule is(A) complementary to the corresponding mRNA codon.(B) complementary to the corresponding triplet in rRNA.(C) the part of tRNA that bonds to a specific amino acid.(D) catalytic, making the tRNA a ribozyme.arrow_forward
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