In scyphozoans, the ____ is the dominant body form
a. polyp
b. hydra
c. medusa
d. larvae
e. juvenile
c
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Which of the following is an example of sexual reproduction?
A) parthenogenesis in lizards B) budding in sponges C) binary fission in Amoeba D) fertilization in Daphnia
14 homologous genes encoding globins (hemoglobin, myoglobin) in the human genome were originally derived from a single ancestor that duplicated 500–600 million years ago. Which term most adequately describes the relationship between these genes?
A. sister chromatids B. gene family C. gene cluster D. moderately repetitive sequences E. highly repetitive sequences
If a plant is bending towards the light, one would expect which enzymes to have increased in activity?
A. auxins B. gibberellins C. wall-loosening enzymes D. ethylene E. None of these is correct
Part of the reason that bacterial and eukaryotic cell
membranes are fluid stems from the composition of the ________ in the _________. Fill in the blank(s) with the appropriate word(s).