Biochemistry Quiz 1
Biochemistry Basics Quiz
Test your knowledge of biochemistry with our engaging quiz! Covering topics like glycolysis regulation, enzyme fun
Challenge yourself with questions that include:
- Enzymatic regulation of metabolic processes
- Understanding glycolysis and its significance
- Impact of certain conditions on biochemical pathways
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parallel cellulose chains form sheets with interchain hydrogen bonds
The bonds between monosaccharides that form the glycogen are : alpha(1-4) alpha(1-6)
The bonds between monosaccharides that form chitin are : alpha(1-4)
The type of monosaccharides that form the starch is glucose
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E. Decreases both apparent V max and apparent K m .
Which of the following regulates glycolysis steps?
Phosphofructokinase
Hexose kinase
Pyruvate kinase
All of these
You have the following reaction at standard condition : A~~>B [A] = 0.66M , [B] = 0.33M and you allow it to reach equilibrium, R =1.987 cal\mol.k , regarding to these information all of the following are false except :
ΔG° will be positive and this is forward reaction
ΔG°will be negative and this is forward reaction
ΔG° will be positive and the rate of forward reaction equals the rate of backward
ΔG° will be positive and this is backward reaction
There is no correct answer
According to Aerobic glycolysis, the enzyme that regulate this step in the pancreatic B cells
Hexokinase I-III
Hexokinase IV
G6P
Phosphatases
Adenylylcyclase
How many molecules of ATP(net Atp) that yield when 8 molecules of Glucose converted to Pyruvate from substrate –level phosphorylation ,if the levels of F6P is High ?
8
16
32
24
0
A person with myocardial infarction ,which one of the following the best descriptive this cases ?
PH in the plasma is very high
Deficiency in LDH
Decrease concentration of lactate on the plasma
PH in the plasma is low
Bring adequate amounts of O2 to the tissue
Which is the true sentence ?
The inhibitor is competitive and km is constant
. The inhibitor is uncompetitive
The inhibitor is competitive and Vmax is constant
The inhibitior is noncompetitive and km is constant
According to Metabolism Regulation, all the following is correct except
Allosteric regulation is moment- to moment regulation
Adenylatecyclase is activated when glucagon binds to GPCR
Ga-GTP complex inactivitation when GTP hydrolysis to ADP
CPKA activates PKA by binding to its catalyatic subunits
CAMP hydrolyzed to 5'-AMP by cAMPphosphdiesterase
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