A process unique to angiosperms is
a. single fertilization
b. double fertilization
c. syngamy
d. alternation of generations
e. seed productions
Ans: b. double fertilization
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The incubation period of rabies is partially determined by
A. age of the patient. B. season of the year that the disease is acquired. C. length of journey from the bite site to the brain. D. the amount of virus introduced into the wound. E. length of journey from the bite site to the brain AND the amount of virus introduced into the wound.
What compound directly provides energy for cellular work?
A) sugar
B) ATP
C) DNA
D) fat
Only proteins can act as cellular catalysts
1.True 2.False
Choose the answer that correctly completes the statement:
In deoxyribonucleotides, the pyrimidines are bound to the 1' carbon of pentose sugar by a ____________¬¬_ to _____________of the base. A. glycosidic bond; N-1 B. glycosidic bond; N-9 C. hydrogen bond; N-1 D. phosphodiester bond; N-3 E. glycosidic bond; N-3