Biology Semester A Review

Front

What are autotrophic organisms?

Back

Autotrophic organisms are those that can create their own food from inorganic substances, typically through processes like photosynthesis or chemosynthesis.

Front

What is the site of protein synthesis in a cell?

Back

The ribosome is the site of protein synthesis in a cell.

Front

In a controlled experiment, how many variables should be tested at one time?

Back

Only one variable should be tested at a time in a controlled experiment.

Front

Why is it important to repeat experiments?

Back

Repeating experiments is important to verify results and ensure they are consistent and reliable.

Front

What is the primary function of carbohydrates in the body?

Back

Carbohydrates provide the body's main source of energy.

Front

What is the difference between autotrophic and heterotrophic organisms?

Back

Autotrophic organisms produce their own food, while heterotrophic organisms obtain food by consuming other organisms.

Front

What role do ribosomes play in the cell?

Back

Ribosomes are responsible for synthesizing proteins by translating messenger RNA.

Front

What is a controlled experiment?

Back

A controlled experiment is one in which all variables are kept constant except for the one being tested.

Front

Why is it necessary to have a control group in an experiment?

Back

A control group is necessary to provide a baseline for comparison against the experimental group.

Front

What are the four main macromolecules essential for life?

Back

The four main macromolecules are carbohydrates, proteins, lipids, and nucleic acids.