Mini Midterm Preview

Front

What is the variable that is measured in an experiment?

Back

Dependent variable: The variable that is observed and measured in an experiment to assess the effect of the independent variable.

Front

What is the process called when water diffuses across a selectively permeable membrane?

Back

Osmosis: The movement of water molecules from an area of lower solute concentration to an area of higher solute concentration through a selectively permeable membrane.

Front

Which organelle is responsible for producing ATP through cellular respiration?

Back

Mitochondrion: The powerhouse of the cell that generates ATP, the energy currency of the cell, through the process of cellular respiration.

Front

What does the term 'genotype' refer to?

Back

Genotype: The genetic makeup of an organism, representing the alleles inherited from its parents.

Front

What does the term 'phenotype' refer to?

Back

Phenotype: The observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

Front

What is an independent variable in an experiment?

Back

Independent variable: The variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What is the role of constants in an experiment?

Back

Constants: Factors that are kept the same throughout an experiment to ensure that the results are due to the independent variable.

Front

What is active transport?

Back

Active transport: The movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration, requiring energy.

Front

What is simple diffusion?

Back

Simple diffusion: The passive movement of molecules from an area of higher concentration to an area of lower concentration without the need for energy.

Front

What is facilitated diffusion?

Back

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