Nitrogen is needed in plants to manufacture
A. amino acids.
B. proteins.
C. nucleic acids.
D. chlorophyll.
E. All of the answer choices are correct.
E. All of the answer choices are correct.
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___________ immunity develops over time and results from exposure to an antigen.
a. Acquired b. Natural c. Innate d. Primary
Where are the light-capturing pigments located in a chloroplast?
A. outer membrane B. inner membrane C. transitional membrane D. thylakoid membrane
Lysozyme is most effective against ________.
A. gram-negative organisms B. archaea C. gram-positive organisms D. mycoplasmas E. cyanobacteria
Four of the five objects listed below are parts of an
electron microscope. Select the exception. a. projective lens b. mirror c. objective lens d. condenser lens e. phosphor screen