Ferns, pines, and flowering plants all
A. produce pollen.
B. have vascular tissue.
C. produce seeds.
D. All of the above are correct.
B. have vascular tissue.
Biology & Microbiology
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Nitrogenous wastes are produced through the breakdown of which of the following?
A. proteins B. glucose C. lipids D. carbohydrates E. All of the answer options are correct.
Biology & Microbiology
For the amino acid glutamine, the three-letter abbreviation is ________ and the one-letter is ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
A goiter is an enlarged form of which gland?
a. adrenal b. pancreas c. thyroid d. parathyroid e. thymus
Biology & Microbiology
Most of the carbon on Earth is held in ____
a. sediments and rocks b. oceans c. soil d. atmosphere e. land biomass
Biology & Microbiology