Question

1. Enzymes facilitate a reaction, they do not allow a reaction to occur alter the ΔG...

1. Enzymes facilitate a reaction, they do not

allow a reaction to occur

alter the ΔG

both 1 and 2

none of the above

2. Specificity of enzymes for a reaction is determined by

the concentration of the enzyme

shape of the enzyme

temperature

pH
Science   Biology   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1.   Which of the following is true of enzyme catalyzed reactions? a.   Reaction rates are temperature dependent b.   Reaction...
1.   Which of the following is true of enzyme catalyzed reactions? a.   Reaction rates are temperature dependent b.   Reaction rates are pH dependent c.   Reaction rates depend on substrate concentration d.   Reaction rates depend on enzyme structure e.   All of the above f.    a, b, and c 2.   Which of the following is NOT true of enzymes? a.   Enzyme activity depends on reaction conditions. b.   Enzymes are catalysts that decrease the rate of reaction. c.   Enzymes can be inhibited by other proteins d.   Enzymes do not alter the change in free energy...
Enzymes A(aq) ----->B(aq) <----- The ΔG°\' of the reaction is -7.510 kJ ·mol–1. Calculate the equilibrium...
Enzymes A(aq) ----->B(aq) <----- The ΔG°\' of the reaction is -7.510 kJ ·mol–1. Calculate the equilibrium constant for the reaction. (Assume a temperature of 25° C.) What is ΔG at body temperature (37.0° C) if the concentration of A is 1.8 M and the concentration of B is 0.75 M?
1. Enzymes have an optimal activity under specific physiological conditions because pH and temperature affect A....
1. Enzymes have an optimal activity under specific physiological conditions because pH and temperature affect A. enzyme concentration B. enzyme specificity C. enzyme shape D. enzyme composition 2. In coupled reactions exergonic reactions drive endergonic reactions endergonic reactions inhibit exergonic reactions exergonic reactions inhibit endergonic reactions endergonic reactions drive exergonic reactions
Which of the following will NOT increase enzymatic activity? A. Increase the concentration of cofactors B....
Which of the following will NOT increase enzymatic activity? A. Increase the concentration of cofactors B. Increase substrate concetration C. Increase Product Concentration D. Gradually increase the temperature E.Increase Enzyme Concentration Part 2: Which of the following statements about enzymes is FALSE? A. Their activity varies with pH and Temperature B. They can be reused multiple times C. The speed of the reaction increases with both enzyme and substrate concentration D. They provide energy for the reaction to occur E....
Questions about biochem: 1.) If the ΔG'° of the reaction A --> B is +1000 kJ/mol,...
Questions about biochem: 1.) If the ΔG'° of the reaction A --> B is +1000 kJ/mol, under standard conditions the reaction will never reach equilibrium. True or False ? 2.) An enzyme catalyzes the reaction A↔B. The enzyme is present at a concentration of 4 nm, and the Vmax is 1.5 µM s-1. The Km for substrate A is 10 µM. Which of the following is the initial velocity of the reaction Vo when the substrate concentration is 10 µM?...
1. Enzymes lower activation energy which allows a reaction to occur at a faster rate. Why...
1. Enzymes lower activation energy which allows a reaction to occur at a faster rate. Why is it important, in terms of functionality, for enzymes to lower this activation energy? What happens when the physical environment in which the enzyme exists within is altered? 2.From a human perspective, cellular respiration is of an absolute importance in terms of how our bodies converts energy stored in glucose into ATP which our cells can use efficiently. What happens (to humans) when this...
Two different enzymes are able to catalyze the same reaction, A → B. They both have...
Two different enzymes are able to catalyze the same reaction, A → B. They both have the same Vmax but differ in their KM for the substrate A. For enzyme 1, the KM is 1.0 mM; for enzyme 2, the KM is 10 mM. When enzyme 1 was incubated with 0.1 mM A, it was observed that B was produced at a rate of 0.0020 mmoles/minute. a) What is the value of the Vmax of these enzymes? B) What will...
Question 1: The reaction for the cleavage of fructose 1,6-bisphosphate to dihydroxyacetone phosphate and glyceraldehyde 3-phosphate...
Question 1: The reaction for the cleavage of fructose 1,6-bisphosphate to dihydroxyacetone phosphate and glyceraldehyde 3-phosphate is catalyzed by the enzyme fructose 1,6-bisphosphate aldolase and has a standard free energy change of ΔG°′ = +23.8 kJ/mol. A. What is the Keq of the reaction at 37 oC? (R = 8.314 J/°mol)? B. If the intracellular concentration of fructose 1,6-bisphosphate at equilibrium (ΔG = 0) was 10 mM, what would be the predicted concentration of the products? C. In cells, the...
The enzyme phosphofructokinase-1 catalyzes the reaction Fructose-6-P + ATP  Fructose-1,6-bisphosphate + ADP. The ΔG’0 of...
The enzyme phosphofructokinase-1 catalyzes the reaction Fructose-6-P + ATP  Fructose-1,6-bisphosphate + ADP. The ΔG’0 of this reaction is -14.2 kJ/mol. Assume the following concentrations of substrates and products: Fructose-6-P, 1 mM. ATP, 2 mM. Fructose-1,6-bisphosphate, 0.5 mM. ADP, 0.5 mM. Assume the reaction takes place at 37 ºC. Calculate ΔG for this reaction
The zero order rate is seen in an enzyme catalyzed reaction when: A. There is too...
The zero order rate is seen in an enzyme catalyzed reaction when: A. There is too much enzyme and too little substrate B. Enzyme reactions are always first order C. The Michaelis constant is very high D. The Vmax of the reaction is twice that which is observed E. The enzyme substrate comples is at its maximum concentration What happens when you add more enzyme to a catalyzed reaction that already is proceeding at Vmax? A. The reaction is inhibited...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT