Which is not one of the four atoms that make up the bulk of living organisms?
A. Calcium
B. Carbon
C. Nitrogen
D. Oxygen
Answer: A
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True or False: Plants require a great deal of water because water is consumed in the process of photosynthesis
A. true B. false
Which endocrine gland secretes TRH?
a. thyroid b. parathyroid c. thymus d. hypothalamus e. anterior pituitary
Which kind of enzyme prevents DNA from tangling up by introducing negative supercoils as the replication fork migrates during replication?
A) Helicase B) Ligase C) DNA polymerase I D) DNA polymerase III E) Topoisomerase
You are worried about your friend Mary, a type 1 diabetic. She is nauseated, short of breath, tired, and confused. She says not to worry because she just has a case of the flu. What diagnostic test should you urge her to perform to make sure that there
is nothing more serious going on? A) stress test for the heart B) blood pressure C) urinary ketones D) blood bilirubin