Fall Semester Review

Front

What is a prokaryotic cell?

Back

A prokaryotic cell is a type of cell that does not have a nucleus or other membrane-bound organelles. Examples include bacteria.

Front

What is an enzyme?

Back

An enzyme is a biological catalyst that speeds up chemical reactions in living organisms without being consumed in the process.

Front

What is a primary consumer?

Back

A primary consumer is an organism that eats producers (plants) in a food chain. Examples include herbivores like rabbits.

Front

What happens to atmospheric carbon dioxide when trees are removed from a forest?

Back

The removal of trees leads to an increase in atmospheric carbon dioxide due to reduced photosynthesis and increased decomposition.

Front

What is a carbohydrate?

Back

A carbohydrate is a macromolecule made up of sugar molecules, which serve as a primary energy source for living organisms.

Front

What is the role of the active site in an enzyme?

Back

The active site is the region on an enzyme where substrate molecules bind and undergo a chemical reaction.

Front

What is the difference between a eukaryotic and prokaryotic cell?

Back

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

Front

What is the carbon cycle?

Back

The carbon cycle is the process by which carbon is exchanged among the atmosphere, land, water, and living organisms.

Front

What is a substrate in the context of enzymes?

Back

A substrate is the reactant molecule upon which an enzyme acts.

Front

What is a phospholipid?

Back

A phospholipid is a type of lipid molecule that forms the bilayer of cell membranes, consisting of a hydrophilic head and hydrophobic tails.