Quiz 7 Microbiology

The movement of substances from lower to higher concentration across a semipermeable membrane that must have a specific protein carrier and cell expenditure of energy is called

Active transport

The production of antibiotics is a form of antagonism called

Antibiosis

Facilitated diffusion is limited by

carrier proteins in the membrane

Bacteria living in a freshwater stream that are moved to salty seawater would

Become dehydrated due to the loss of water

A barophile would grow best in

Deep oceans

Organisms called _____ live on or in the body of a host, and cause some degree of harm.

Pathogens

Which of the following require the cell to use ATP?

endocytosis

An organic nutrient that cannot be synthesized by the organism and must be provided is called a/n

growth factor

The termite requires the protozoan Trichonympha in its gut to provide the enzyme cellulase for the termite's use of cellulose in wood products. The protozoan uses the end products of the cellulose breakdown. This would be a _____ relationship.

mutualistic

Diffusion of water through a semipermeable membrane is called

osmosis