The duck-billed platypus shares which of the following traits with non-mammalian animals?
a. teeth.
b. lack of cloaca.
c. laying eggs.
d. hair.
e. females produce mile.
C
Biology & Microbiology
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The organelle involved in the oxygen-requiring process by which the energy harvested from macromolecules is used to generate ATP is the:
A. chloroplasts. B. ER. C. nucleus. D. lysosome. E. mitochondria.
Biology & Microbiology
Vaccines using inactivated pathogens do not stimulate cell-mediated immunity as effectively as vaccines using attenuated pathogens.
Answer the following statement true (T) or false (F)
Biology & Microbiology
________ used models to deduce the double helical shape of DNA.
A) Linus Pauling B) James Watson and Francis Crick C) Martha Chase D) Maclyn McCarty
Biology & Microbiology
Which group does not belong in the Mollusks?
a. Oligochaetes b. Bivalves c. Gastropods d. Cuttlefish e. Cephalopods
Biology & Microbiology