Legumes grown in sterile soil would be expected to have ____
a. purplish veins
b. chlorosis and mottled or bronzed leaves
c. chlorosis in older leaves and stunted growth
d. burned leaf edges and curled, mottled, or spotted older leaves
e. pale green, rolled, or cupped leaves
ANSWER: c
You might also like to view...
Where does the Calvin cycle occur?
A. chloroplast inner membrane B. thylakoid membrane C. thylakoid lumen D. chloroplast stroma E. chloroplast outer membrane
When does pattern formation begin?
a. At the moment of fertilization b. Once the zygote has divided several times. c. As maternal mRNAs are delivered to opposite ends of an unfertilized egg as it forms. d. When the maternal mRNAs are delivered to the opposite ends of the egg. e. Once the zygote has implanted on he uterine lining.
Ringworm is caused by
A) worms infected with fungi invading the skin. B) dermatophytes that have invaded deep into the living tissue. C) dermatophytes growing in the outer dead tissue layers of the skin (epidermis). D) a hypersensitivity caused by superficial contact with dermatophytes. E) toxins produced by dermatophytes.
Eukaryotic cells require oxygen to:
A) start glycolysis. B) perform fermentation. C) serve as an electron acceptor in the electron transport chain. D) breathe. E) enter the Krebs cycle as an intermediate.