In conifers, meiosis of diploid cells in an ovule produces ____

a. microspores
b. pollen sacs
c. pollination droplets
d. pollen grains
e. megaspores


ANSWER: e

Biology & Microbiology

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A. radiation B. conduction C. convection D. evaporation E. transpiration

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DNA sequences comprising open reading frames (ORFs) correspond to the coding regions of genes called ____________________

Fill in the blank(s) with correct word

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What do gametes, spores, and the gametophyte generation have in common?

a. They are all diploid. b. They are all haploid. c. They are present in vascular plants only. d. They are all produced by meiosis. e. They are all triploid.

Biology & Microbiology

As many as one-third of all pregnancies end in miscarriage

Indicate whether the statement is true or false

Biology & Microbiology