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NURSING LIJAN
DONE BY: AYAT HAROUN
NURSING LIJAN
1.
DONE BY: AYAT HAROUN
Fructose is metabolized by
A. fructose 1-phosphate pathway
B. fructose 6-phosphate pathway
C. glyceraldehyde 3-phosphate pathway
D.both (a) and (b)
Answer: Option D
2.
A common way that cells capture the energy released during the breakdown of large molecules is to add electrons to
smaller, specialized molecules that can accept them. This process of electron acceptance is otherwise known as
A.biosynthesis
B. Metabolism
C. reduction
D.Catalysis
Answer: Option C
3.
Humans are unable to digest
A. Starch
B. complex carbohydrates
C. denatured proteins
D.Cellulose
Answer: Option D
4.
How many ATP equivalents per mole of glucose input are required for gluconeogenesis?
A.2
B. 6
C. 8
D.4
Answer: Option B
5.
During vigorous exercise, pyruvate produced by glycolysis is converted to
A. Acetate
B. Lactate
C. monosodium phosphate
D.pyruvic acid
Answer: Option B
6.
Gluconeogenesis uses
A. 3 ATPs and 2 GTPs per glucose
B. 2 ATPs and 1 GTPs per glucose
C. 3 ATPs and 3 GTPs per glucose
D.4 ATPs and 2 GTPs per glucose
Answer: Option D
NURSING LIJAN
7.
Gluconeogenesis is the
A. formation of glycogen
B. breakdown of glucose to pyruvate
C. breakdown of glycogen to glucose
D.synthesis of glucose from non-carbohydrate precursors
Answer: Option D
8.
Hydrolysis of lactose yields
A. galactose and fructose
B. galactose and glucose
C. glucose and fructose
D.fructose and galactose
Answer: Option B
9.
Two major products of pentose phosphate pathway are
A. nicotinamide adenine dinucleotide and ribose 5-phosphate
B. flavine adenine dinuclueotide and glucose 5-phosphate
C. FAD and CoA
D.NADPH and NAD
Answer: Option A
10.
Pyruvate is initially converted to which of the following in the gluconeogenesis?
A.Glycerol
B. Phosphoenol pyruvate
C. Oxaloacetate
D.Acetyl CoA
Answer: Option C
11.
The conversion of pyruvate to lactate is catalysed by
A.pyruvate carboxylase
B. lactate dehydrogenase
C. pyruvate dismutase
D.pyruvate decarboxylase
Answer: Option B
Which of the following can act as precursors for gluconeogenesis?
A.Lactate
B. Glycerol
C. Alanine
D.All of these
Answer: Option D
13.
The sugar which forms major component of nucleic acids is
A.Ribose
B. Galactose
C. mannose
D.Maltose
Answer: Option A
14.
Insulin
A.stimulates gluconeogenesis and glycolysis
DONE BY: AYAT HAROUN
NURSING LIJAN
DONE BY: AYAT HAROUN
B. stimulates gluconeogenesis and inhibits glycolysis
C. inhibits gluconeogenesis and glycolysis
D.inhibits gluconeogenesis and stimulates glycolysis
Answer: Option D
1.
The key enzyme in the regulation of fatty acid synthesis is
A. acetyl CoA carboxylase
B. AMP activated proteinkinase
C. protein phosphatase
D. none of these
Answer: Option A
2.
HDLs are synthesized in
A.Blood
B. Liver
C. intestine
D.Pancreas
Answer: Option B
3.
Triacylglycerols are
A. soluble in water
B. insoluble in water
C. soluble in water at elevated temperature
D. partially soluble in water
Answer: Option B
4.
Animals cannot convert fatty acids into glucose because
A. acetyl CoA can not be converted to pyruvate
B. absence of malate synthase
C. absence of dehydrogenase
D. absence of a-ketoglutarate dehydrogenase
NURSING LIJAN
DONE BY: AYAT HAROUN
Answer: Option A
5.
In eukaryotes fatty acid breakdown occurs in
A. mitochondrial matrix
B. Cytosol
C. cell membrane
D. endoplasmic reticulum
Answer: Option A
6.
Phospholipid contains
A. hydrophilic heads and hydrophobic tails
B. long water-soluble carbon chains
C. positively charged functional groups
D. both (b) and (c)
Answer: Option A
7.
VLDLs are synthesized in
A.blood
B. liver
C. intestine
D.pancreas
Answer: Option B
8.
How many ATPs are formed during complete oxidation of palmitate?
A.35
B. 96
C. 129
Answer: Option C
1.
Beta pleated sheets are examples of protein's
A. primary structure
B. secondary structure
C. tertiary structure
D. quaternary structure
D.131
NURSING LIJAN
Answer: Option B
2.
Sickle cell disease is due to
A. a mutation in the beta chain of Hb
B. a mutation in the alpha chain of Hb
C. infection with a parasite
D. none of the above
Answer: Option A
3.
The four subunits of the hemoglobin (Hb) gene represent protein's
A. primary structure
B. secondary structure
C. tertiary structure
D. quaternary structure
Answer: Option D
4.
On the ribosome, mRNA binds
A. between the subunits
B. to the large subunit
C. to the small subunit
D. none of these
Answer: Option C
5.
Which of the following is not a necessary component of translation?
A. Anticodon
B. mRNA
C. Ligase
D. Amino acid
Answer: Option C
6.
Amino acids are joined together into a protein chain by which of the following?
A. Transfer RNA
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NURSING LIJAN
DONE BY: AYAT HAROUN
B. DNA polymerase
C. Hydrogen bonds
D. Messenger RNA
Answer: Option A
7.
Phosphorus is taken up by the cell during the process of
A. carbohydrate synthesis.
B. protein synthesis,
C. lipid synthesis.
D. ATP synthesis.
Answer: Option D
8.
Which of the following is not necessary for protein synthesis to occur, once transcription is completed?
A.tRNA
B. Ribosomes
C. mRNA
Answer: Option D
9.
Ribosomes select the correct tRNAs
A. then bind to the appropriate mRNA
B. solely on the basis of their anticodons
C. depending on their abundance in the cytosol
D. with the least abundant anticodons
Answer: Option B
10.
The peptidyl transferase reaction occurs
A. on the large subunit
B. on the small subunit
C. between the subunit
D. none of these
D.DNA