The spores of a fern are
(a) produced by mitosis within the sporangium.
(b) diploid cells.
(c) the first cells of the gametophyte generation.
(d) both a and b.
(c) the first cells of the gametophyte generation.
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Work by Charles Darwin and Francis Darwin was instrumental in the discovery of ____
a. auxins b. brassinosteroids c. jasmonates d. cytokinins e. gibberellins
A blood test cannot determine if a person is a carrier of Tay-Sachs disease because the mutant allele is undetectable
a. True b. False
Which plants do not have roots?
A) Bryophytes B) Ferns C) Angiosperms D) Gymnosperms
Compare the primary and secondary antibody titre responses during immunization by drawing a graph of "Plasma Antibody Concentration" vs. "Time." Indicate on the graph the time of first and second exposure. The y-axis may be quantified as low to high and need not report specific number quantities.
What will be an ideal response?