Cells Viruses Plants Evidence of Evolution

Front

What is the structure of a DNA molecule?

Back

A DNA molecule is structured as a double helix.

Front

What type of cell is characterized by the absence of a nucleus?

Back

A prokaryote is characterized by the absence of a nucleus.

Front

What is phototropism?

Back

Phototropism is the response of a plant to light.

Front

What type of mutation is represented by the change from GAC to CAC in a DNA sequence?

Back

This is a substitution mutation.

Front

Which system in the body allows for movement?

Back

The muscular system allows for movement.

Front

What is the primary function of ribosomes in a cell?

Back

Ribosomes are responsible for protein synthesis.

Front

What is the role of chlorophyll in plants?

Back

Chlorophyll is essential for photosynthesis as it captures light energy.

Front

What is a virus?

Back

A virus is a microscopic infectious agent that can only replicate inside a living host cell.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

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

Front

What is natural selection?

Back

Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.