What is the thick fluid, rich in proteins and lipids, which is deposited in an animal's egg during its formation?
a. germ layer
b. placenta
c. yolk
d. corpus luteum
e. gastrula
c
Biology & Microbiology
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In the figure above, this group of plants was given treatment II
a. 1 b. 2 c. 3 d. 4 e. 5
Biology & Microbiology
Carbohydrates contain all the following elements except:
a. carbon. b. nitrogen. c. hydrogen. d. oxygen.
Biology & Microbiology
Select the following phylum that includes protostome animals that are segmented, bilaterally symmetric, and have a chitinous exoskeleton.
A. Platyhelminthes B. Annelida C. Mollusca D. Arthropoda E. Brachiopoda
Biology & Microbiology
Jim adds an acid to a solution, but finds the pH has not changed afterward. This suggests the solution contains a(n) (anion/buffer/salt)
What will be an ideal response?
Biology & Microbiology