Engaging Enzymes
Biological Systems
100

The enzyme that is responsible for breaking milk sugar into its component monosaccharides is called this.

What is lactase?

100

Found within all cells, this little (Italian) parts each have an important job to do in cell funtion.

What are organelles?

200

In the lock and key model, the enzyme is this?

What is the lock?

200

Epidermis, nerves and muscles are examples of this part of the human body.

What is tissue?

300

Two important environmental factors that can seriously impact an enzyme's ability to perform its function are these.

What are temperature and pH?

300

A group of organs working together to carry out a particular job, such as digestion is called this.

What is a system?

400

An enzyme functions as this, in nature....something that speeds up a chemical reaction.

What is a catalyst?

400

The unit of structure and function in living things is called this.

What is a cell?

500

Due to the specificity of enzymes, they will not accept a different, one of these, the molecule on which the enzyme acts (or the 'key').

What is a substrate?

500

The entity containing cells, tissues, organs and systems is called this.

What is an organism?