Basics Review Bio/Env

Front

What is the term for a substance that speeds up a chemical reaction without being consumed?

Back

Catalyst

Front

What is the term for a three-nucleotide sequence that codes for an amino acid?

Back

Codon

Front

What are the characteristics of viruses?

Back

Viruses are non-living entities that require a host to replicate.

Front

What is active transport in cellular processes?

Back

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

Front

Which biomolecule is known for its role as enzymes?

Back

Proteins

Front

What is the primary function of carbohydrates in living organisms?

Back

Carbohydrates provide energy and serve as structural components.

Front

What is the basic unit of life?

Back

Cell

Front

What is the role of nucleic acids in cells?

Back

Nucleic acids store and transmit genetic information.

Front

What is diffusion?

Back

Diffusion is the passive movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is the difference between prokaryotic and eukaryotic cells?

Back

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and organelles.