MC - Biochemistry Quiz - L8-L11
Biochemistry Fundamentals Quiz
Test your knowledge of biochemistry with our engaging multiple-choice quiz! Covering key topics such as glycolysis, transport mechanisms, and metabolic pathways, this quiz is designed for students and enthusiasts alike.
Challenge yourself with questions on:
- Glycolytic pathway dynamics
- Erythrocyte glucose transport
- Hormones and signaling pathways
- Metabolites in starvation
- Enzyme kinetics
Why does the glycolytic pathway continue in the direction of glucose catabolism?
There are essentially three irreversible reactions that act as the driving force for the pathway
High levels of ATP keep the pathway going in a forward direction
The enzymes of glycolysis only function in one direction
Glycolysis occurs in either direction
Erythrocyte glucose transporter is an example of
Ion driven active transport
Facilitated diffusion
Active transport
Simple diffusion
A hormone or ligand can be considered as
First messenger
Second messenger
Third messenger
Fourth messenger
Which of the following type of metabolite is used for generating glucose under severe starvation conditions?
Fats
Glycogen
Amino acids
Starch
Glycosidic bond between galactose and glucose in lactose is____.
α 1 – 4
β 1 – 4
α 1 – 2 d
β 1 – 2
For a reaction if ∆G° is positive, then
The products will be favored
The concentration of the reactants and products will be equal
All of the reactant will be converted to products
The reactants will be favored
In the redox reaction: pyruvate + NADH + H+ ⇋ lactate + NAD+, which reactant is oxidized, and which is reduced?
NADH is reduced and pyruvate is oxidized
Pyruvate is reduced and NADH is oxidized
Lactate is reduced and pyruvate is oxidized
Lactate is reduced and NAD+ is oxidized
ΔH value in an endothermic reaction is a positive number
True
False
In a Lineweaver-Burk plot of enzyme activity, the highest values of [S] and Km are found
Near the origin
At the top of the vertical axis
At the right end of the horizontal axis
At the left end of the horizontal axis
At the horizontal intercept of the curve
A keto pentose will have _____ sterioisomers
4
6
8
10
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