The large, central canal of a poriferan is know as the:

1.Choanocyte
2.Osculum
3.Porocyte
4.Spongocoel
4

Biology & Microbiology

You might also like to view...

The outer part of the enzyme linked receptor has a binding site for a signaling molecule, and the part of

the receptor that extends into the cytosol has a binding site for a specific G protein. __________________ Indicate whether the statement is true or false.

Biology & Microbiology

________ induces dormancy in seeds and buds and causes stomata to close

A) Abscisic acid B) Gibberellin C) Ethylene D) Cytokinin E) Auxin

Biology & Microbiology

Warts are caused by

A) papillomavirus. B) poxvirus. C) herpesvirus. D) parvovirus. E) Staphylococcus aureus.

Biology & Microbiology

Cytochromes and oxygenases require ________ to function; therefore, for cells that use these enzymes in cellular respiration, it must be supplied in a growth medium

a. iron b. lithium c. magnesium d. selenium

Biology & Microbiology