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What will most likely be the effect of the change in the DNA molecule? *   A. the change will cause a harmful mutation   B. the DNA molecule will be unable to replicate   C. the organism will be reproduce   D. the DNA molecules will code for a different protein

What will most likely be the effect of the change in the DNA molecule? *   A. the change will cause a harmful mutation   B. the DNA molecule will be unable to replicate   C. the organism will be reproduce   D. the DNA molecules will code for a different protein

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
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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What will most likely be the effect of the change in the DNA molecule? *
 
A. the change will cause a harmful mutation
 
B. the DNA molecule will be unable to replicate
 
C. the organism will be reproduce
 
D. the DNA molecules will code for a different protein
Original strand: T A C G T A T G A A G C, Mutant strand: T A G C T A T G A A G C. what type of mutation? *
 
A. Substitution
 
B. Deletion
 
C. Insertion
 
D. Nonsense
Which mechanism contributes to accuracy during DNA Replication? *
 
A. The mismatch repair system recognizes an incorrect base-pair and corrects the mistake in the non-methylated strand
 
B. Using primers increase accuracy because the first nucleotides is a new nucleic acid chain are more like to be correct.
 
C. all DNA polymerase have a 5'-3' exonuclease activity which can remove incorrect nucleotides during replications
 
D. base-stacking between nucleotides and the template DNA controls insertion of the correct nucleotide
Which of the following statements concerning the transcription phase of protein synthesis is correct? *
 
A. A partial unwinding of the DNA double helix occurs
 
B. the DNA strand used to synthesize RNA is called the informational strand
 
C. mRNA molecules are converted to hnRNA molecules
 
D. no correct response
The number of codon binding sites in an mRNA-ribosome complex that can be occupied at the same time by activated tRNA molecules is; *
 
A. 2
 
B. 3
 
C. 4
 
D. 5
Which is a characteristics of the normal genetic code? *
 
A. one codon can code for only one amino acid
 
B. one amino acid can have only one codon
 
C. one tRNA molecule can bind to only one codon
 
D. one aminoacyl-tRNA synthetase can react with only one tRNA
Which of the following describes the effect of a point mutation on amino acid identity in a protein? *
 
A. The identity of two amino acid must change
 
B. The identity of one amino acid may change
 
C. The identity of one amino acid must change
 
D. The identity of one amino acid never change
Which of the following statements is true regarding introns? *
 
A. introns are the parts of mRNA that are translated
 
B. introns have no function
 
C. In general, human genes have fewer introns than genes of other organism
 
D. Introns may be involved in exon shuffling
The product of the first phase of protein synthesis is; *
 
A. DNA molecules
 
B. RNA molecules
 
C. both DNA and RNA molecules
 
D. no correct response
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