Which of the following statements about enzymes is NOT true?

A. Enzymes are proteins.

B. All enzymes have the same shape as their substrates.

C. Enzymes work best at a specified pH.

D. The shape of an enzyme allows it to do its job.

Chemical composition of a star can be found by studying the

A person who studies the chemistry of rocks, minerals, and soil is a

Why is cellular respiration important?

Which cell part contains directions for cell growth and reproduction? a) pores b) cell wall c) plasma membrane d) nucleus

In microbiology lab, you make three different culture plates: one general purpose plate, one selective media plate, and one differential media plate. Unfortunately, you forget to label the different plates, so you do not know which is which.

How does waste move from the kidney to the bladder in the human excretory systems

A plant uses energy from the Sun to make food. What kind of energy transformation is this? a. light energy to chemical energy b. chemical energy to light energy c. mechanical energy to chemical energy d. light energy to mechanical energy

The major body structures and organ systems form during which trimester

What is the main female sex hormone? is it d? testosterone adrenaline insulin estrogen

What kind of a Erosion involves dissolved particles