What facilitates passive transport across a cell membrane?

adenosine triphosphate

solute equilibrium

concentration gradient

transport proteins

Why do we have creases on our fingers, and do they have a primary use?

Which organism is involved in vegetative reproduction?

When a system of classification is based on observation of a predetermined set of factors, it is called

If there is a blockage between the av node and the av bundle, how will this affect the appearance of the electrocardiogram?

Animals are also heterotrophic. how do fungi differ from animals in the way that they obtain food

Which statement best compares a multicellular organism to a single-celled organism? A. A multicellular organism has organ systems that interact to carry out life functions, while a single-celled organism carries out life B.

Why do acids or bases dissociate? A. The water molecules push the positive and negative ions closer together B. The polar water molecule pulls apart the charged ions C. An additional bond is formed in an acid or base when it is in water solution D.

During withdrawals alcohol causes the rise of which neurotransmitter?

How are DNA and RNA different in terms of function, # strands, and sugars? Function # Strands Sugar DNA RNA

If you notice files being transferred to or from your computer a.) simply close the window b.) open a new internet window c.) tell the instructor d.) close the internet session and tell the lab instructor