A characteristic that is shared by snakes and birds is ________

A) being ectothermic
B) the presence of only a single ovary in females
C) the amniotic egg
D) being endothermic


C

Biology & Microbiology

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Four of the statements are true of cladistics. Which statement is false?

A. It involves making hypotheses about the evolutionary relationship between clades. B. It is a precise science. C. It can lead to the creation of a cladogram. D. It may involve parsimony analysis. E. It may use outgroups to “root” the tree.

Biology & Microbiology

The organelle involved in the oxygen-requiring process by which the energy harvested from macromolecules is used to generate ATP is the

A. nucleus. B. mitochondria. C. lysosome. D. chloroplasts. E. ER.

Biology & Microbiology

Over-the-counter medications for acid reflux or heartburn block the production of stomach acid. Which of the following cells are directly affected by this medication?

A) goblet cells B) chief cells C) parietal cells D) smooth muscle cells

Biology & Microbiology

The figure above represents analysis of blood from a victim of a crime and from two suspects. Criminologists created this Southern blot using restriction fragments from a VNTR site. Which suspect is definitely innocent?

A. suspect 1 B. suspect 2 C. both D. neither

Biology & Microbiology