QUESTION 23 Which of the following statements about RNA structure is FALSE? O A. A sequence in a tRNA that forms one side of a stem region can differ in sequence from one tRNA to another, as long as another sequence elsewhere in the tRNA has been changed accordingly so as to retain complementarity. B. A prediction that RNA to RNA interactions are important for function, e.g. as in spliceosome-mRNA interactions, can be demonstrated by showing that mutations in one strand destroy function, but compensating mutations in the other strand that restore complementarity restore function. O C. RNA structure such as tRNAS, ribosomal RNAS, spliceosomal RNAS, etc. tolerate G-U base pairs, base- sugar interactions, mispairs, bulges, and so forth, the result being that functional objects can be formed. D. RNA strands that form stems in RNA structures are oriented antiparallel, just like the strands of double stranded DNA. O E. The 23and 16S rRNAS are good examples of RNAS that can both carry coding information and carry folding information. Before being assembled into ribosomes they are first translated to produce ribosomal proteins, afterwards they fold into objects--the large and small ribosomal RNA structures.
QUESTION 23 Which of the following statements about RNA structure is FALSE? O A. A sequence in a tRNA that forms one side of a stem region can differ in sequence from one tRNA to another, as long as another sequence elsewhere in the tRNA has been changed accordingly so as to retain complementarity. B. A prediction that RNA to RNA interactions are important for function, e.g. as in spliceosome-mRNA interactions, can be demonstrated by showing that mutations in one strand destroy function, but compensating mutations in the other strand that restore complementarity restore function. O C. RNA structure such as tRNAS, ribosomal RNAS, spliceosomal RNAS, etc. tolerate G-U base pairs, base- sugar interactions, mispairs, bulges, and so forth, the result being that functional objects can be formed. D. RNA strands that form stems in RNA structures are oriented antiparallel, just like the strands of double stranded DNA. O E. The 23and 16S rRNAS are good examples of RNAS that can both carry coding information and carry folding information. Before being assembled into ribosomes they are first translated to produce ribosomal proteins, afterwards they fold into objects--the large and small ribosomal RNA structures.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
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QUESTION 23
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Which of the following statements about RNA structure is FALSE?
O A. A sequence in a tRNA that forms one side of a stem region can differ in sequence from one TRNA to
another, as long as another sequence elsewhere in the TRNA has been changed accordingly so as to
retain complementarity.
O B. A prediction that RNA to RNA interactions are important for function, e.g. as in spliceosome-mRNA
interactions, can be demonstrated by showing that mutations in one strand destroy function, but
compensating mutations in the other strand that restore complementarity restore function.
O C. RNA structure such as TRNAS, ribosomal RNAS, spliceosomal RNAS, etc. tolerate G-U base pairs, base-
sugar interactions, mispairs, bulges, and so forth, the result being that functional objects can be formed.
O D. RNA strands that form stems in RNA structures are oriented antiparallel, just like the strands of double
stranded DNA.
O E. The 23and 16S FRNAS are good examples of RNAS that can both carry coding information and carry
folding information. Before being assembled into ribosomes they are first translated to produce
ribosomal proteins, afterwards they fold into objects--the large and small ribosomal RNA structures.
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