Biochem Quiz 1
Biochem class taken in FTM
- 1.All of the following atoms are nucleophillic (eletron rich) except for
- A.
F
- B.
O
- C.
N
- D.
C
- 2.Which bond is the strongest?
- A.
H-Bonds
- B.
Ionic Bonds
- C.
Van der Waals
- D.
Covalent Bonds
- E.
Hydrophobic interactions
- 3.A nucleoside is made up of a
- A.
Base
- B.
Base and phosphate
- C.
Base and ribose
- D.
Ribose and phosphate
- 4.________ are a fused ring with a 5-member imidazole while _________ are 6-member rings
- A.
Pyrimidines; Purines
- B.
Purines; Pyrimidines
- C.
Adenine; Guanine
- D.
Uracil; Cytosine
- 5.What kind of bond is between the C1 of the pentose and N1 of pyrimidines or N9 of purines?
- A.
Ionic
- B.
Linoleic
- C.
Phsophodiester
- D.
Hydrogen
- E.
Beta-N-glycosidic
- 6.All the following are true about nucleoside triphosphate functions except
- A.
ATP - universal chemical energy in cells
- B.
GTP - protein biosynthesis and signaling
- C.
UTP - Activation in protein biosynthesis
- D.
CTP - activation of P-lipid biosynthesis
- E.
Coenzeymes - nucleotide derivatives
- 7.All of the following are true about DNA double helix except
- A.
Right hand coil
- B.
Held together by H-bonds
- C.
2 non-complementary anti-parallel strands
- D.
Bases are interior of helix
- E.
Phosphate and sugar groups cause negative charge on the outside
- 8.What is Chargaff's Rules?
- A.
4 bases are equal
- B.
Base composition is the same from species to species
- C.
Purines equal pyrimidines
- D.
Purines equal purines
Back to top