Friday
April 18, 2014

Homework Help: Biology

Posted by Jim on Friday, October 28, 2011 at 11:38am.

1) What is the minimum number of single nucleotide substitutions that would be necessary for each of the following amino acid replacements?
a. trp -> lys
b. met -> his
c. tyr -> gly
d. ala -> asp
 
2) A mutation is isolated that can not be induced to revert. What type of molecular alteration might be responsible?
 
3) Which of the following amino acid  replacements would be expected with the highest frequency among mutations induced with 5BU: met -> leu, met -> lys, leu -> pro, pro -> thr,          thr -> arg

Can you help me with these? I dont get them at all. Thank You

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Biology - 17. When errors in nucleotide sequencing occur, a. DNA polymerase ...
Biology - 17. When errors in nucleotide sequencing occur, a. DNA polymerase ...
biology - I have codone AUG. Which one of amino acids will be involved in ...
biology - a DNA chip contain set of random hexanucleotide probes.out of 4096 ...
biology - a DNA chip contain set of random hexanucleotide probes.out of 4096 ...
Biology - You are given the following protein sequence: NH2-Met-Trp-Trp-Met-Trp-...
biology - DNA codes for mRNA, which is then translated into polypeptides,which ...
Biology - Produce a nucleotide sequence with a single base-pair substitution ...
biology - what is nucleotide?
Biology - 14. The major components of a DNA molecular subunit are a. a ...

Search
Members