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
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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
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.
Some codons are recognized by proteins, not by tRNAs.
Answer the following statement(s) true (T) or false (F)
What does the plasma membrane of a phagocyte attach to on a microorganism?
a. Glycoproteins b. Phagosomes c. Pseudopods d. Lysosomes