Gen Micro CH23 SG (Altura)

What type of photosynthesis is carried out by protists?

Oxygenic photosynthesis using chlorophyll.

The plasma membranes of protists are referred to as what?

Plasmalemma.

What is a contractile vacuole?

An organelle that pumps excess water out of the cell for osmoregulation.

What structures do some protists have in place of mitochondria?

Hydrogenosomes or mitosomes.

What is a trophozoite?

The active, feeding stage of a protozoan parasite.

What is the motile, infectious stage of apicomplexan parasites called?

Sporozoite.

What are pseudopods?

Temporary cytoplasmic extensions used by amoeboids for movement and feeding.

What is the role of the apical complex in apicomplexans?

It facilitates entry and attachment into host cells.

Binary fission

Asexual reproduction where a cell divides into two identical daughter cells.

Syngamy

The fusion of two gametes during sexual reproduction.

Isogamy

Sexual reproduction involving gametes of equal size and morphology.

Anisogamy

Sexual reproduction involving gametes of unequal size or shape.

Autogamy

Self-fertilization resulting from the fusion of two nuclei within the same cell.

Which group of protists form large macroscopic masses that move together and reproduce via spores?

Slime molds.

Which group of amoeboid protists use secretions to trap prey and have mineralized structures?

Rhizaria (such as foraminiferans and radiolarians).

Which group of protists have heterokont flagella and include macroscopic species like kelp?

Stramenopiles.

What is the name for the group of protists that includes red and green algae?

Archaeplastida.

Which group of protists have flagella and unique structures like kinetoplasts or stigma?

Euglenozoans.

Which group of flagellated protists lack mitochondria and colonize animal guts?

Metamonads (such as diplomonads and parabasalids).