Which of the following most closely resemble the earliest ancestor of all animals?

a. colonial, flagellated protists
b. unicellular protozoa
c. colonial algae
d. gram-negative bacteria


Ans: a. colonial, flagellated protists

Biology & Microbiology

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Comparing DNA and protein sequences to find evidence of a shared evolutionary history is called ________.

A) genomics B) proteomics C) differential relatedness D) bioinformatics

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The highest magnification generally used to study

cells is provided by the a. transmission electron microscope. b. compound light microscope. c. phase contrast microscope. d. scanning electron microscope. e. Nomarski process light microscope.

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Some codons are recognized by proteins, not by tRNAs.

Answer the following statement(s) true (T) or false (F)

Biology & Microbiology

What does the plasma membrane of a phagocyte attach to on a microorganism?

a. Glycoproteins b. Phagosomes c. Pseudopods d. Lysosomes

Biology & Microbiology