Practice Test - For 1st Semester Final

Front

What vessel in the stem transports water from the roots to the leaves?

Back

Xylem

Front

What type of macromolecule is composed of nucleotides?

Back

Nucleic Acid

Front

How does an enzyme speed up a reaction?

Back

By lowering the activation energy.

Front

What are waxes, oils, and fats examples of?

Back

Lipids

Front

If a grasshopper is removed from a food web, which organism is most directly affected?

Back

The shrew

Front

What is the primary function of xylem in plants?

Back

To transport water and minerals from roots to leaves.

Front

What are the building blocks of proteins?

Back

Amino acids.

Front

What type of macromolecule provides quick energy?

Back

Carbohydrates.

Front

What is the role of lipids in the body?

Back

To store energy and form cell membranes.

Front

What is the function of nucleic acids?

Back

To store and transmit genetic information.