WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
3rd Edition
ISBN: 9781319103316
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 5, Problem 8MC
Summary Introduction
Introduction:
Amino acids are brought to the ribosomes by transfer RNAs during protein synthesis.
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__________ are composed of a single linear (unbranching) chain of covalently bound amino acids.
Select one or more:
a. peptides
b. triglycerides
c. codons
d. nucleotides
e. glycosides.
Anticodons are found on ____________ and they contain _____________ bases.
a. tRNA, 4
b. mRNA, 3
c. tRNA, 3
d. mRNA, 4
Which of the following exhibit(s) the "quaternary" structure of nucleic acids?
a.ribosome
b.histone
c.tobacco mosaic virus
d.nucleosome
Chapter 5 Solutions
WHAT IS LIFE? A GUIDE TO BIO 3E+LAUNCHPA
Ch. 5 - Prob. 1SACh. 5 - Prob. 2SACh. 5 - Prob. 3SACh. 5 - Prob. 4SACh. 5 - Prob. 5SACh. 5 - Prob. 6SACh. 5 - Prob. 7SACh. 5 - Prob. 8SACh. 5 - Prob. 9SACh. 5 - Prob. 10SA
Ch. 5 - Prob. 11SACh. 5 - Prob. 12SACh. 5 - Prob. 13SACh. 5 - Prob. 14SACh. 5 - Prob. 15SACh. 5 - Prob. 1MCCh. 5 - Prob. 2MCCh. 5 - Prob. 3MCCh. 5 - Prob. 4MCCh. 5 - Prob. 5MCCh. 5 - Prob. 6MCCh. 5 - Prob. 7MCCh. 5 - Prob. 8MCCh. 5 - Prob. 9MCCh. 5 - Prob. 10MCCh. 5 - Prob. 11MCCh. 5 - Prob. 12MCCh. 5 - Prob. 13MCCh. 5 - Prob. 14MCCh. 5 - Prob. 15MCCh. 5 - Prob. 16MCCh. 5 - Prob. 17MC
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- Which of the following is a true statement concerning RNA? Group of answer choices a. mRNA is single stranded; tRNA and rRNA are double stranded b. each tRNA binds to a specific amino acid c. rRNA and mRNA last for only a short time in the cell d. tRNA contains the base thyminearrow_forwardWhich of the following amino acid is acetylated when DNA is unwound from histones? a. Asparagine b. Lysine c. Arginine d. Glycinearrow_forwardWhich of the following steps in protein synthesis does not require a direct supply of energy? a. proofreading step by certain aminoacyl-tRNA synthetases b. translocation of mRNA in a ribosome c. linkage of an amino acid to its cognate tRNA d. alignment of a tRNA anticodon with an mRNA codonarrow_forward
- The structural polarity of a polypeptide chain I. is determined by its N- or C-terminus. II. is determined by the distribution of electrons between atoms. III. determines the chemical properties of the amino acids. IV. determines which end the polypeptide grows during translation.arrow_forwardSome events that take place in proteins synthesis are shown below: A. peptide bonds are formed B. a polypeptide is produced C. TRNAS bond to codons D. An MRNA attaches to the polypeptide synthesis site E. TRNAS enter the ribosome Which if the following shows the correct sequence? ОСDAЕ В ODECА В СED A В O DEACB EDABC D CEA B ОСDEВА O EDCAB АЕBDC EDACBarrow_forwardWhich of the following regions on the tRNA are composed of a sequence of nucleotides? a. anticodon that binds to codon in mRNA b. anticodon that binds to codon in ribosomes c. anticodon that binds to codon in tRNA synthetase d. none of the abovearrow_forward
- tRNAs contain the ________ that interacts with mRNA. a. docking bay b. anticodon c. codonarrow_forwardAn alpha helix is a: O A. secondary structure found in proteins. O B. right-handed twist found in double-stranded DNA. O C. globular structure found in proteins. O D. post-translational modification of certain proteins. O E. helical region found in functional tRNAS.arrow_forwardThe genetic code is defined as a series of _______________ in _______________. (a) anticodons; tRNA (b) codons; DNA (c) anticodons; mRNA (d) codons; mRNA (e) codons and anticodons; rRNAarrow_forward
- Codons are found on __________ and they contain __________ bases. a. tRNA, 4 b. mRNA, 3 c. tRNA, 3 d. mRNA, 4arrow_forwardWhich of the following sequences is most likely to form an unstructured loop in a protein structure? A. GPGGGGGPGGG B. VEELLSKVKQLADA C. KVDFHVNDVEVKMHarrow_forwardChoose the feature of protein synthesis in column 2 that best matches the statement in column 1. A. Eukaryotic protein synthesis B. Both prokaryotic and eukaryotic protein synthesis C. Both prokaryotic and eukaryotic protein synthesis D. Prokaryotic protein synthesis E. Prokaryotic protein synthesis F. Neither prokaryotic nor eukaryotic protein synthesis select 1. AUG is the start codon - 2. The initial amino acid is N-formylated 3. Requires the presence of elFs for translational initiation select -4. Peptide bond formation catalyzed by an RNA molecule select select - 5. Presence of Shine-Dalgarno sequence select 6. MRNA is translated 3' → 5'arrow_forward
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Biomolecules - Protein - Amino acids; Author: Tutorials Point (India) Ltd.;https://www.youtube.com/watch?v=ySNVPDHJ0ek;License: Standard YouTube License, CC-BY