Review 1st semester

Front

What is evidence in scientific research?

Back

Evidence is data or information that supports a claim or hypothesis. For example, 'Football players are 33% more likely to get injured than baseball players.'

Front

What objective lens should you start with when using a microscope?

Back

You should start with the scanning power lens to locate an image.

Front

What is diffusion?

Back

Diffusion is the process by which molecules spread from areas of high concentration to areas of low concentration.

Front

What are the smallest units of life?

Back

Cells are the smallest units of life because they grow, reproduce, respond, and use energy.

Front

What defines a multicellular organism?

Back

A multicellular organism is made of multiple cells.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.

Front

What is facilitated diffusion?

Back

Facilitated diffusion is the process of passive transport of molecules across a cell membrane via specific transmembrane integral proteins.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells do not have a nucleus or membrane-bound organelles, while eukaryotic cells do.

Front

What is the function of the cell membrane?

Back

The cell membrane controls the movement of substances in and out of the cell.

Front

What is a hypothesis?

Back

A hypothesis is a testable prediction about the relationship between two or more variables.