Biology Concepts and Cell Functions

Front

What is a model in the context of biology?

Back

A simplified representation of reality that describes or explains something in the world in a workable and usable way.

Front

Which of the following best describes a theory? A random observation, A model that explains a set of observations, A law that predicts future events, A hypothesis that cannot be tested

Back

A model that explains a set of observations

Front

What is the main difference between eukaryotes and prokaryotes?

Back

Eukaryotes have membrane-surrounded organelles, prokaryotes do not.

Front

What happens to a cell in a hypertonic solution?

Back

The cell shrinks.

Front

Which process involves the movement of molecules from an area of high concentration to an area of low concentration without energy?

Back

Simple diffusion

Front

What is the role of ribosomes in a cell?

Back

They make proteins

Front

What is the function of the Golgi apparatus?

Back

It packages substances into vesicles for export.

Front

Which of the following describes the process of transcription?

Back

DNA is converted into RNA

Front

What is the primary function of mitochondria in the cell?

Back

To generate energy through cellular respiration

Front

Which of the following is true about passive transport? It requires energy, It moves molecules from low to high concentration, It includes osmosis and facilitated diffusion, It only occurs in prokaryotic cells

Back

It includes osmosis and facilitated diffusion