Murphy Biochem Rutgers Exam 2 QUESTIONS WITH CORRECT ANSWERS SOLVED

Murphy Biochem Rutgers Exam 2 QUESTIONS WITH
CORRECT ANSWERS SOLVED.

_____ is a protooncogene that codes for platelet-driven growth factor
a. sis
b. src
c. jun
d. myc
e. none of the above - CORRECT ANSWER✅✅a. sis

_____ is a translation factor that possesses a unique modification of a specific histidine
resiude called diphthamide
a. IF-2
b. EF-Tu
c. EF-Ts
d. eEF-1
e. eEF-2 - CORRECT ANSWER✅✅e. eEF-2

______ are a group of molecules that mediate protein folding
a. Hsp 70s
b. Chaparonins
c. Docking protein
d. Both A and B are correct
e. A, B, and C are correct - CORRECT ANSWER✅✅d. Both A and B are correct

______ is an enzyme that catalyzes a crucial step in replicative transposition -
CORRECT ANSWER✅✅resolvase

______ provides the energy needed to move the ribosome along the mRNA -
CORRECT ANSWER✅✅GTP

_______ is a metal cofactor of the cytochromes - CORRECT ANSWER✅✅Fe

__________ is an enzymatic activity that hydrolyzes the bond linking the completed
polypeptide chain and the P site tRNA - CORRECT ANSWER✅✅peptidyl transferase

___________ catalyzes the transcription of the precursor of the tRNAs and 5s rRNA -
CORRECT ANSWER✅✅RNA polymerase III

_____________ allows photosystems to reemit photons in a protective overflow
mechanism - CORRECT ANSWER✅✅fluorescence

,_____________ is used to transport fatty acids into the mitochondria - CORRECT
ANSWER✅✅carnitine

_______________ is a product of delayed response gene - CORRECT
ANSWER✅✅cyclin

_______________ is a technique used to investigate lateral diffusion of membrane
components - CORRECT ANSWER✅✅fluorescence recovery after photobleaching

________________ are hydrophobic molecules that dissipate ion gradients -
CORRECT ANSWER✅✅ionophores

________________ derive a substantial amount of energy from the oxidation of odd-
chain fatty acids - CORRECT ANSWER✅✅ruminants

_____________, a product of the oxidation of odd-chain fatty acids, is converted to
succinyl-CoA - CORRECT ANSWER✅✅propionyl-CoA

A DNA segment that binds a hormone-receptor complex is called a _____ - CORRECT
ANSWER✅✅HRE

A membrane's fluidity is largely determined by the percentage of - CORRECT
ANSWER✅✅unsaturated fatty acids

a-Ketoadipate is an intermediate in the degradation of - CORRECT ANSWER✅✅lysine

a-Ketoisovalerate is an intermediate formed during the synthesis of - CORRECT
ANSWER✅✅leucine

Acetyl CoA that is consumed by the CAC is produced from which of the following
biochemical pathways?
a. glycolysis
b. fatty acid oxidation
c. purine catabolism
d. urea cycle
e. both A and B are correct - CORRECT ANSWER✅✅both A and B are correct

Albinism is caused by the absence of - CORRECT ANSWER✅✅tyrosinase

Alkaptonuria is caused by a deficiency of - CORRECT ANSWER✅✅homogentisate
oxidase

All of the following are components of the electron transport chain except
____________ - CORRECT ANSWER✅✅Coenzyme A

, All of the following are enzymatic activities found in fatty acid synthase except?
a. b-ketoacyl-ACP reductase
b. acetyl transacylase
c. thioesterase
d. lipoxygenase
e. b-hydroxyacyl-ACP dehydrase - CORRECT ANSWER✅✅d. lipoxygenase

All of the following are glycolipids except ____________
a. sulfatides
c. cerebrosides
c. gangliosides
d. Both A and B are correct
e. none of the above - CORRECT ANSWER✅✅e. none of the above

All of the following are involved in signal peptide metabolism except
a. ribosomal polypeptide translocation
b. SRP receptor protein
c. docking protein
d. translocon
e. stop transfer signal - CORRECT ANSWER✅✅a. ribosomal polypeptide translocation

All of the following are involved in the synthesis of deoxyribonucleotides except?
a. thioredoxin
b. NADPH
c. ribonucleotide reductase
d. thioredoxin reductase
e. HGPRT - CORRECT ANSWER✅✅e. HGPRT

All of the following are referred to collectively as the branched chain amino acids
except?
a. valine
b. glycine
c. leucine
d. isoleucine
e. none of the above - CORRECT ANSWER✅✅b. glycine

All of the following enzymes are involved in plant starch and metabolism except...
a. b-amylase
b. a-glucosidase
c. debranching enzyme
d. phosphoribulokinase
e. branching enzyme - CORRECT ANSWER✅✅d. phosphoribulokinase

All of the following gene products are coded for by constitutive genes except...
a. histone