CP Semester 1 Final Review #3

Front

What is the function of the cell membrane?

Back

The cell membrane regulates what substances can enter and exit the cell and is primarily composed of phospholipids.

Front

What is the optimal temperature for enzyme activity based on a graph?

Back

The optimal temperature for enzyme activity is the temperature at which the enzyme functions best, which in this case is 30°C.

Front

What is the active site of an enzyme?

Back

The active site is the region on the enzyme where the substrate binds and the reaction occurs.

Front

What provides structural support in plant cells?

Back

Cellulose, which forms the rigid cell wall, provides structural support in plant cells.

Front

What are polysaccharides?

Back

Polysaccharides are complex carbohydrates made up of long chains of monosaccharide units, examples include starch and cellulose.

Front

What is the role of enzymes in biological reactions?

Back

Enzymes act as catalysts to speed up chemical reactions without being consumed in the process.

Front

What is a substrate in the context of enzyme activity?

Back

A substrate is the reactant molecule upon which an enzyme acts.

Front

What are products in a chemical reaction?

Back

Products are the substances that are formed as a result of a chemical reaction.

Front

What is the structure of a phospholipid?

Back

A phospholipid consists of a hydrophilic (water-attracting) head and two hydrophobic (water-repelling) tails.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.