Exam 5: Unicellular Eukaryotes

Gametic meiosis occurs just after zygote formation.

The best fossils of protists have been left by the tests of the radiolarians (Actinopodans)and the foraminiferans (Granuloreticulosans). Multiple Choice Questions

Which of the following represents the arrangement of microtubules in an axoneme of a cilium?

Characteristics of unicellular eukaryotes include:

The genus of the organism causing malaria is _______________.

A complex life cycle including merozoites and sporozoites is found in the parasitic apicomplexans.

Osmoregulation in unicellular eukaryotes is carried out chiefly by structures called ______________________.

Reproduction in most unicellular eukaryotes is primarily by

______________ are dormant forms of unicellular eukaryotes that have resistant external coverings.

The movement of cilia and flagella is based on the energy in the molecule _________________.

Red tides may be best described by

Multiple fission or schizogony is a type of asexual reproduction characteristic of all protozoa belonging to the taxon called ______________.

Sexual reproduction involves production of gametes that fuse to form a _______________.

A holozoic protozoan ingests food particles by the process of ________________.

Malaria is transmitted by __________,which inject (name the stage)_____________ when they bite.

The protozoan Trypanosoma causes human

At the base of each cilium is found a kinetosome,which has exactly the same structure as a ___________________,a structure important in cell division.

_________________ have specialized structures such as rhoptries and micronemes for penetrating a host cells tissues.

The process of endosymbiosis may have resulted in eukaryotic cells by bacteria engulfing aerobic bacteria with enzymes that processed oxygen for energy transformations.

Most of the nitrogenous wastes in unicellular eukaryotes are eliminated by diffusion through the cell membrane.