Membranes that surround the heart and lungs would be classified as ____
a. serous
b. cutaneous
c. mucous
d. synovial
e. tissue
ANSWER: a
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Which of the following correctly lists the three forms of nitrogenous waste in order from least energetically expensive to produce to most energetically expensive to produce?
A. uric acid, urea, ammonia B. uric acid, ammonia, urea C. urea, uric acid, ammonia D. ammonia, uric acid, urea E. ammonia, urea, uric acid
As part of your senior thesis, you are to isolate an apoptosis inhibitor from plants. You believe you have found such a molecule. If you treat plant embryos with your putative apoptosis inhibitor, which of the following structures would not be formed correctly?
A. phloem B. tracheids C. sieve tube elements D. companion cells E. epidermis
Which of the following disease symptoms would you expect to see in legumes grown in sterile soil?
a. purplish veins b. chlorosis and mottled or bronzed leaves c. chlorosis in older leaves and stunted growth d. burned leaf edges and curled, mottled, or spotted older leaves e. pale green, rolled, or cupped leaves
When two species cannot form hybrid zygotes, the mechanism that keeps the species separate is known as a(n) ________ isolating mechanism.
A. prezygotic B. hybridization C. differential D. adaptive E. postzygotic