Which protist would most likely be phytoplankton?

A. Kelp (a brown seaweed)
B. Plasmodium falciparum (the pathogen that causes malaria)
C. Polysiphonia (a red seaweed)
D. Euglena (a unicellular alga)
E. Phytophthora infestans (the pathogen that causes late-blight)


D. Euglena (a unicellular alga)

Biology & Microbiology

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The presence of the disease sickle cell anemia illustrates that natural selection does not always eliminate _________ alleles.  

A.  polymorphic B.  dominant C.  neutral D.  recessive

Biology & Microbiology

A sediment being analyzed is determined to be composed of mostly granite. What kind of sediment is it?

a. Cosmogenous sediment b. Terrigenous sediment c. Hydrogenous sediment d. Biogenous sediment

Biology & Microbiology

Given the following gel, which protein is more likely to have a globular shape?

What will be an ideal response?

Biology & Microbiology

Which of the following is a mismatch?

A. thermoacidophiles - live in high temperatures and acidic environments B. methanogens - prefer anaerobic environments C. thermophiles - live in extremely cold temperatures D. halophiles - live in high salt environments

Biology & Microbiology