Molecular genetics UE Past Papers Questions.

When DNA is being made, the RNA base ____ always pairs with the base ___ in DNA.

1. U….A
2. C….G
3. A….U
4. a and b
5. all of the above

Answer / Solution

UNSOLVED

Which of the following is not associated with DNA?

1. deoxyribose
2. thymine
3. uracil
4. phosphates
5. a and b

Answer / Solution

UNSOLVED

The number of nucleotide bases “read” together on the tRNA to designate each amino acid is ___ ; this unit called a(n) _____.

1. 2…...dipeptide
2. 3…..triose
3. 3…..anticodon
4. 3…...codon
5. 1…...amino acid

Answer / Solution

UNSOLVED

How many nucleotides are needed to code for a protein with 450 amino acids if it excludes equivalent of stop codon on mRNA?

1. At least 1,347
2. at least 1,353
3. at least 450
4. at least 1,356
5. at least 1,350

Answer / Solution

UNSOLVED

DNA replication results in

1. 2 completely new DNA molecules
2. 2 DNA molecules that each contains a strand of the original
3. 1 new DNA molecule , 1 old molecule is conserved
4. 1 new molecule of RNA
5. b and c

Answer / Solution

UNSOLVED