part 2 Bio SD Sem 1 Final Review

Front

What is a claim in scientific terms?

Back

A claim is a statement or assertion that can be supported or refuted by evidence. For example, 'Mrs. LeFever likes Football' is a claim.

Front

What structures are found in every living cell?

Back

Every living cell contains a cell membrane and cytoplasm.

Front

What is true of unicellular organisms?

Back

Unicellular organisms lack cell differentiation, meaning they do not have specialized cells.

Front

In which type of cells does cellular respiration occur?

Back

Cellular respiration occurs in both plant and animal cells.

Front

Which activity does not contribute to CO2 emissions in the atmosphere?

Back

Planting trees does not add CO2 to the atmosphere; it actually helps reduce it.

Front

Define cell membrane.

Back

The cell membrane is a protective barrier that surrounds the cell, controlling what enters and exits.

Front

What is cytoplasm?

Back

Cytoplasm is the jelly-like substance within a cell that contains organelles and is the site of many metabolic processes.

Front

What are chloroplasts?

Back

Chloroplasts are organelles found in plant cells that conduct photosynthesis, converting sunlight into energy.

Front

What is the function of mitochondria?

Back

Mitochondria are known as the powerhouse of the cell, generating ATP through cellular respiration.

Front

What distinguishes eukaryotic cells from prokaryotic cells?

Back

Eukaryotic cells have a nucleus and membrane-bound organelles, while prokaryotic cells do not.