Biology - Chapter 9 - Enzymes

A metabolism helps to maintain a stable internal environment which is known as?

• transpiration

• photosynthesis

• respiration

• homeostasis

What is the name of the molecule in which an enzyme acts on?

• catalyst

• product

• substrate

• protein

The building block of a protein is?

• amino acid

• monosaccharide

• keratin

• mineral

The name for a chemical which speeds up a chemical reaction?

• substrate

• protein

• amino acid

• catalyst

The word used to describe the loss of shape and function of an enzymes active site?

• dissolved

• destructed

• denatured

• broken

Which two factors have a big influence on the rate a which most enzymes work?

• pH and temperature

• pH and light

• temperature and soil depth

• pH and time of the day

During the enzyme experiment testing pH activity, which enzyme was used?

• lipase

• sucrase

• protease

• catalase

An advantage of using an immobilised enzyme is?

• it can be consumed at the end

• it can be reused

• it can be only used once

In the immobllised enzyme experiment, what type of test strips were used at the end?

• glucose

• protein

• starch

What chemical is used to immobillise sucrase?

• sodium hydroxide

• sodium chloride

• sodium alginate

• sodium dioxide