MC - Biochemistry Quiz - L8-L11
Biochemistry Challenge Quiz
Put your biochemistry knowledge to the test with our engaging quiz! Dive into topics like enzyme kinetics, glucose transporters, and metabolic pathways to see how well you understand the biochemical processes that are vital for life.
Get ready to explore:
- Enzyme inhibition
- Monosaccharide absorption
- Energy metabolism
- Structural polysaccharides
Vmax ( ), Km ( ) for Inhibited Reaction are:
2,20
0.5,50
1,50
1,500
A non-competitive inhibitor of an enzyme catalyzed reaction (select one or more)
Binds to the Michaelis complex (ES)
Decreases Vmax
Is without effect at saturating substrate concentrations
Can actually increase reaction velocity in rare cases
Which of the following glucose transporter (GLUT) is present in beta cells of the pancreas?
GLUT1
GLUT2
GLUT3
GLUT5
Fructose-2,6-bisphosphate
Activates fructose-1,6-bisphosphatase
Activates phosphofructokinase
Inhibits fructose-1,6-bisphosphatase
Both (b) and (c)
About absorption of monosaccharides into the bloodstream which sentence is true (Select one or more)
Glucose and galactose will enter via Na+/glucose, need ATP
Glucose + galactose will enter via Na+/glucose, no need of ATP
Fructose will be entering via GLUT 5 carrier proteins via simple diffusion
After entering the enterocytes, they will be transferred toward the blood vessels through GLUT 2 via facilitated diffusion
Chitin is a_______
Heteropolysaccharide of N acetyl glucosamine and N acetyl muramic acid
A complex polymer of many sugars
Homopolysaccharide of N acetyl glucosamine
A branched homopolysaccharide of N acetyl glucosamine
Which of the following are components of adenosine triphospate (ATP)?
Ribose, a cytosine base, and a triphosphate group
Deoxyribose, an adenine base, and a triphosphate group
Deoxyribose, a cytosine base, and a triphosphate group
Ribose, an adenine base, and a triphosphate group
Sugars that differ only by the configuration around one C atom, such as glucose and fructose is called epimer
True
False
Which of the following enzyme catalyzes the first step of glycolysis?
Hexokinase
Pyruvate kinase
Glucokinase
Phosphofructokinase-1
Which of the following is an analogous to starch?
Cellulose
Glycogen
Sucrose
Chitin
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