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Biochemistry QUIZ 2

A highly detailed illustration of biochemical processes, featuring enzymes, glucose molecules, and metabolic pathways in a vibrant and educational style.

Ultimate Biochemistry Quiz

Test your knowledge of biochemistry with our comprehensive quiz designed for students and enthusiasts alike. Dive into a variety of topics ranging from enzymatic reactions to carbohydrate structures, and see how well you can apply your understanding of biochemical principles!

Multiple choice questions
Engaging and interactive
Perfect for reviewing key concepts

10 Questions2 MinutesCreated by LearningLounge24

You have a reaction with enthalpy change 15 Kj\mol at 10°c and entropy 50 j\k. mol, after we add an enzyme the activation energy decrease by 2 kj\mol. One of the following is true regarding to these information :

The reaction will be exergonic reaction

The reaction will be in the backward direction

The free gibs energy will decrease, so that the rate of the reaction will increase

The reactant energy is higher than the product energy and the reaction is favorable

We have insufficient information, so we can't determine

Calculate the concentration of reactant when equilibrium concentration if [B] =0.5 and ΔG^0=zero, What the propotinal between ΔG^0 and Keq? A ⇋ B

. [A] >[B], inversely proportional

. [A] =[B], inversely proportional.

[A] <[B], direct proportional.

[A] =[B], direct proportional.

[A] <[B], inversely proportional.

What is the relationship between glucose, mannose and galactose?

They are isomers

They are epimers

They are ketoses

No relationship exists

Which of the following statements is correct pertaining to the general structure of (proteoglycans),, from the ( branch) to the (origin),respectively.

The core protein is attached to the hyaluronic acid (stabilized by link protein) which is attached to the glycosaminoglycans.

Hyaluronic acid is attached to the glycosaminoglycans (stabilized by link protein) which is attached to the core proteins

Glycosaminoglycans is attached to the core proteins which is attached to the hyaluronic acid (stabilized by link proteins)

According to the given table, if you know that (Vmax without inhibitors =8.285, Vmax with inhibitors =4.97). The type of inhibitors that used is:

The UNCOMPETITIVE inhibition.

The NON-COMPETITIVE inhibition.

The competitive inhibition

Another answer

Which one of the following statement is correct?

Ribulose is aldopentoses

The number of stereoisomers possible for dihydroxyacetone are 1

D-glucose and D-mannose are epimers

B+C

The systemic name for the following disaccharides?

O-B-D-glucopyranosyl-(1--4)-D-glucopyranos

O-B-D-galactopyranosl-(1--2)-D-glucopyranos

O-B-D-galactopyranosl-(1--4)-D-glucopyranos

O-a-D-galactopyranosl-(1--4)-D-glucopyranos

O-B-D-glucopyranosyl-(1--2)-D-glucopyranos

Which one of the following describe the specialized function of GLUT2 which is distributed in pancreatic B cells?

Glucose uptakes from blood when blood glucose level is low or glucose releases from these cell when blood glucose are high

Glucose uptake from blood if the glucose level is high or low

Glucose uptakes from blood when blood glucose level is high or glucose releases from these cell when blood glucose is low

Fructose transporter

A+C

In the most important and rate limiting step in Glycolysis,which one of the following is true ?

The step when G6P isomerization to F6P

Catalyzes by enzyme Fructose 1,6-biphosophatase

The net ATP that yield in this step are 1ATP

F6P is converted to Fructose 1,6-biphosophate when FBP II catalyzes by kinase domine

None of the above

) In glycolysis , How many molecules of ATP is used to convert 15 molecules of F6F to Pyruvate ?

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