Phagocytosis is a method of active transport.

Alleles are only found on proteins.

Recessive alleles always express themselves.

A microscope that uses electrons bounced off the surface of a specimen is called (a)

Agar used in microbiological research comes from

Stem cells are essential to medical research and are without controversy.

Proteins can be denatured by temperature, pH, or high salt concentrations.

The number of ATP molecules formed by ethanol or lactic acid fermentation is

Nucleic acids are composed of

Prokaryotic cells have a nuclear membrane.