Question 20      Which statement is not true for a genetic code:   Question 20 options:   deciphered on ribosomes by codon–anticodon recognition   genetic code is degenerate    each amino acid is coded by one specific genetic code   The degeneracy of the genetic code most often involves the third base of the codon   Question 21                 Histone modifications do not include:   Question 21 options:   methylation of lysine   acetylation of lysine   phosphorylation of serine   methylation of asparagine   Question 22          Histone deacetylase (HDAC) enzyme is responsible to:   Question 22 options:   add methyl group on amino acids   add acetyl group on amino acids   remove acetyl group from amino acids   remove methyl group from amino acids

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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Question 20 

 
 

Which statement is not true for a genetic code:

 
Question 20 options:
 

deciphered on ribosomes by codon–anticodon recognition

 

genetic code is degenerate 

 

each amino acid is coded by one specific genetic code

 

The degeneracy of the genetic code most often involves the third base of the codon

 

Question 21

 
 
 
 
 
 
 
 

Histone modifications do not include:

 
Question 21 options:
 

methylation of lysine

 

acetylation of lysine

 

phosphorylation of serine

 

methylation of asparagine

 

Question 22 

 
 
 
 
Histone deacetylase (HDAC) enzyme is responsible to:
 
Question 22 options:
 

add methyl group on amino acids

 

add acetyl group on amino acids

 

remove acetyl group from amino acids

 

remove methyl group from amino acids

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