#1.Thymidine dimers cannot be repaired by: a. nucleotide excision repair b.misma

Question

#1.Thymidine dimers cannot be repaired by:

a. nucleotide excision repair

b.mismatch repair

c.photolyase

d.base excision repair

#2.How many ligand molecules are required to activate an EGFR/HER2 heterodimer?

0

1

2

3

#3.All of the following are TRUE about proteins that bind to the phosphorylated tyrosine kinase domain of EGFR-family members EXCEPT:

a they must contain SH3 domains

b.they bind to specific tyrosine-containing sequences

c.they must contain an SH2 domain

d.they are involved in activating Ras

Explanation / Answer

1.Thymidine dimers cannot be repaired by:

d.base excision repair

2.How many ligand molecules are required to activate an EGFR/HER2 heterodimer?

1

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