Which of the following statements below is incorrect? * A. the genetic code is overlapping B. the genetic code is universal C. degenerate codon specify the same amino acids D. the genetic code is triplet
Which of the following statements below is incorrect? * A. the genetic code is overlapping B. the genetic code is universal C. degenerate codon specify the same amino acids D. the genetic code is triplet
Concepts of Biology
1st Edition
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:Samantha Fowler, Rebecca Roush, James Wise
Chapter9: Molecular Biology
Section: Chapter Questions
Problem 6RQ: A promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA...
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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
Which of the following statements below is incorrect? *
A. the genetic code is overlapping
B. the genetic code is universal
C. degenerate codon specify the same amino acids
D. the genetic code is triplet
Which protein can break covalent bond? *
A. Helicase
B. Primase
C. SSB
D. DNA gyrase
What is the complementary hnRNA base sequence produced from the DNA base sequence 5' C-T-A-T-A-C 3'? *
A. 3' C-A-T-A-T-C 5'
B. 3' G-A-T-A-T-G 5'
C. 3' G-A-U-A- U-G 5'
D. 3' C-U-A-U-A-G 5'
Which of the following statements concerning the " cloverleaf" shape of tRNA molecules is correct? *
A. four hairpin loops are present
B. three hairpin loops and one open end are present
C. two hairpin loops and two open ends are present
D. no correct response
Consider the following DNA base sequence 3' TTA ATA 5'. what dipeptide is formed from the transcription and translation of this DNA segment? *
A. Asn-Tyr
B. Tyr-Ser
C. Trp-Leu
D. Tyr-Asn
In DNA replication the unwinding of the DNA double helix; *
A. begins at the 5' end and continues to the 3' end
B. begins at the 3' end and continues to the 5' end
C. occurs at many locations within the double helix
D. no correct response
Original strand: T T C C G T A T C G G A T C , Mutant strand: T T C C G A A T C G G A T C , what type of mutation? *
A. Substitution
B. Nonsense
C. Missense
D. Insertion
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