1.  Which of the following statements is true:

 

a.     Amino acids are attached to the 3' ends of rRNAs

b.    The amino acid Methionine is encoded by more than one codon

a.     Both a and b are correct

a.     Both a and b are false

 

 

2.     Sites of protein synthesis in a plant cell include:

 

a.  the nucleus

b.  the cytoplasm

c.  the chloroplast

d.    all of the above

d.    only b and c

 

 

3.  Which of the following statements is true:

 

a.     Homologous recombination is a common occurrence in most eukaryotic cells

b.    DNA helicases are constituents of the Primosome

c.     Both a and b are correct

d.    Both a and b are incorrect

 

 

4.  Which of the following statements is true:

 

a.  DNA replication is faster in procaryotes than in eucaryotes

b.  Okazaki fragments are associated with the leading strand of DNA

c.  Both a and b are true

d. Both a and b are not true

 

5.  Which of the following statements is/are true:

 

a. Histones contain many aspartic acid and glutamic acid amino-acid residues

b.  Mitotic chromosomes are readily visualized in eucaryotic cells.

a.     Statements a and b are false

b.    Statements a and b are true.

 

 

 

Give VERY BRIEF answers to the following questions

 

  1. Give two examples of how DNA differs from RNA

 

 

 

 

 

 

 

 

 

  1. Give the nucleotide sequence corresponding to Methionine Codon on template strand of DNA.  Include the polarity (5 and 3 ends).

 

 

 

 

 

 

 

 

  1. What differentiates the primary structure of a protein from its secondary structure?

 

 

 

 

 

  1. What types of transcripts are produced by the different classes of eukaryotic RNA polymerases?

 

 

 

 

 

 

 

  1.  What is a ribonucleoprotein?  Provide two examples.

 

 

 

 

 

 

 

  1.