In vivo testing is useful for diagnosing ________.
A. HIV
B. whooping cough
C. tuberculosis
D. hepatitis A
E. rubella
Answer: C
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Although Dolly the cloned sheep and her nucleus donor are clones, they do not contain the same ________ DNA.
Fill in the blank(s) with the appropriate word(s).
How is it that people can donate blood plasma twice per week?
A. Plasma only contains fluid and dissolved substances such as proteins that can be rapidly replaced. B. Plasma contains platelets which can be replaced quickly. C. Plasma contains red blood cells which can be replaced quickly. D. Plasma contains only water and can be rapidly replaced. E. Plasma is regenerated from the blood cells injected back into the donor.
Which of the following cannot be determined from the fossil record?
A. diversity has changed through time B. evidence of every species that ever existed C. Evidence of prior natural disaster / catastrophes exist D. Geologic uplift has occurred E. Transitional fossils exist
Which lineage includes living members that are jawless vertebrates called lampreys, which are mostly parasitic as adults?
a. Urochordata b. Cephalochordata c. Petromyzontoidea d. Placodermi