You have found a new prokaryote. What line of evidence would support your hypothesis that the organism is a cyanobacterium?

You have found a new prokaryote. What line of evidence would support your hypothesis that the organism is a cyanobacterium?

A) It is able to form colonies and produce oxygen.

B) It is an endosymbiont

C) It forms chains called mycelia

D) It lacks cell walls

Plantlike photosynthesis that releases O2 occurs in

A) Cyanobacteria.

B) Gram-positive bacteria.

C) Archaea.

D) Chemoautotrophic bacteria

According to the endosymbiotic theory, why was it keep the engulfed cell alive, rather than digesting it as food?

A) The engulfed cell provided the host cell with adenosine triphosphate (ATP).

B) The engulfed cell provided the host cell with carbon dioxide.

C) The engulfed cell allowed the host cell to metabolize glucose.

D) The host cell was able to survive anaerobic conditions with the engulfed celL

The chloroplasts of land plants are thought to have been derived from which sequence?

A)  Cyanobacteria → green algae → land plants

B) Cyanobacteria →green algae → fungi → land plants

C) Red algae → brown algae → green algae → land plants

D) Cyanobacteria → red algae-green algae → land plants D)

Al protists are

A) Unicellular

B) Eukaryotic

C) Symbionts

D) Mixotrophic

All of the following are Supergroups of Eukaryotes EXCEPT

A) Excavata


E) Unikonta

All of the following are within the Supergroup Excavata EXCEPT:

A) Euglenozoa

B) Archaea

C) Protists

D) Fungi

Which of the following has pigments as its key characteristic feature?

D) Archaea

E) Helminths

C) Algae

Which of the following moves by way of pseudopods?

Amoeba E)


Plasmodial slime molds

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