BSC 2093C Quiz: Chemistry BONDS & PH BALANCE Chapter 2 Study Questions

answer all of them

All of the following are true of enzymes except

2-Reverse transcriptase is used to make ______ from an RNA template

3-

Environmental factors that influence microbial growth are (SELECT ALL THE APPELTY )

4- What is the definition of Generation Time

28. Which of the following statements about enzymes is false?

An enzyme changes shape when it binds to a substrate.

Enzymes lower the activation energy.

Enzymes are highly specific.

An enzyme may orient substrates, induce strain, or temporarily add chemical groups.

Most enzymes are much smaller than their substrates.

29. What is a transition state?

The place where a substrate molecule binds to an enzyme

A reactant with high potential energy

The combination of a substrate and an enzyme

The state at which the bonds of reactants are unstable

The active site where reactants are oriented

39. Which of the following statements about enzymes is true?

Enzymes are proteins.

Enzymes have a specific amino acid sequence.

enzymes are highly specific.

Enzymes lower the energy barrier.

All of the above

which of the following statements about enzymes is not true.?
A. enzymes are consumed during chemical reactions
B. Enzymes decreases the free energy of activation of specific reactons
C. Enzymes increase chemical reaction rates
D. Enzymes have unique pH and temperature optima