Question 1

Nonsynonymous substitutions

Accepted Answer

A)  do not lead to amino acid change.
B)  lead to amino acid change.
C)  refer to substitutions in unrelated lineages.
D)  affect only certain amino acids.
E)  lead to transversions.F) None of the above
G) C) and D)

Question 2

Which of the following does not provide molecular evidence for evolution?

Accepted Answer

A)  The 1,000-fold differences in nonsynonymous substitutions between some genes
B)  The existence of pseudogenes
C)  The fact that high-expression genes use amino acids that are less energetically costly than those used by low-expression genes
D)  The fact that there is a lower rate of nucleotide substitutions in coding regions than in noncoding regions of genes
E)  All these are molecular evidence for evolutionF) All of the above
G) A) and B)

Question 3

With regards to the sequence alignment 
Which of the following statements is not true?

Accepted Answer

A)  There has been a base deletion.
B)  There has been a base substitution.
C)  There has been a gene conversion.
D)  There has been a transversion.
E)  There is evidence of an indel.F) A) and E)
G) B) and D)

Question 4

In the 1960s and 1970s,organisms were classified into five kingdoms,one of which was prokaryotes.In the 1980s,organisms were reorganized into three domains,with the prokaryotes split into Archaea and Bacteria,and all of the other four kingdoms lumped together into Eukarya.Why did this happen?

Accepted Answer

In the original classification,prokaryot...

Exam 23: Molecular Evolution

Nonsynonymous substitutions

Correct Answer
verified

Which of the following does not provide molecular evidence for evolution?

Correct Answer
verified

With regards to the sequence alignment Which of the following statements is not true?

Correct Answer
verified

In the 1960s and 1970s,organisms were classified into five kingdoms,one of which was prokaryotes.In the 1980s,organisms were reorganized into three domains,with the prokaryotes split into Archaea and Bacteria,and all of the other four kingdoms lumped together into Eukarya.Why did this happen?

Correct Answer
verified
In the original classification,prokaryot...
View Answer

Exam 23: Molecular Evolution

Nonsynonymous substitutions

Correct AnswerverifiedShow Answer

Which of the following does not provide molecular evidence for evolution?

Correct AnswerverifiedShow Answer

With regards to the sequence alignment Which of the following statements is not true?

Correct AnswerverifiedShow Answer

In the 1960s and 1970s,organisms were classified into five kingdoms,one of which was prokaryotes.In the 1980s,organisms were reorganized into three domains,with the prokaryotes split into Archaea and Bacteria,and all of the other four kingdoms lumped together into Eukarya.Why did this happen?

Correct AnswerverifiedIn the original classification,prokaryot...View AnswerShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
In the original classification,prokaryot...
View Answer