The embryonic shoot and root are separated by a tiny section of embryonic stem, called the ____
a. plumule
b. hypocotyl
c. radicle
d. cotyledon
e. coleoptile
ANSWER: b
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What site does the initiator tRNA bind to on the ribosome?
A. A B. E C. P
Which statement describes the fern life cycle?
a. Gametophytes originate within, and are dependent upon, sporophytes b. Sporophytes originate within, and are dependent upon, gametophytes c. Both gametophytes and sporophytes are totally independent from each other and are equally dominant d. Gametophytes are free-living and photosynthetic, but are replaced by a dominant sporophyte generation e. Gametophytes are photosynthetic and partially independent from the sporophytes
The jumping of a nerve impulse from one node of Ranvier to the next is known as ________
Fill in the blank(s) with correct word
What did R. H. Whittaker base his five kingdom classification upon?
a. DNA sequencing analysis b. The size and color of cells c. The biochemical make-up of an organism d. Cell structure and how an organism derived its nutrition e. The ability to for an organism to reproduce and develop