The male reproductive whorl of a flower typically consists of one or more
a. petals.
b. carpels.
c. stamens.
d. receptacles.
e. sepals.
C
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. During DNA replication, the ____ strand is assembled in the ____ direction from helix unwinding and is synthesized
by ____ replication
a. leading; opposite; continuous b. lagging; same; discontinuous c. leading; same; discontinuous d. lagging; opposite; continuous e. leading; same; continuous
Which of the following are sugar-transporting cells in angiosperms?
a) parenchyma cells b) tracheids and vessel elements c) sieve-tube elements d) collenchyma cells e) clerenchyma cells
Antibodies belong to a group of compounds called:
A. self-recognizing compounds B. virulent bases C. anti-steroids D. immunoglobulins
How is ribulose 1,5-bisphospate (RuBP) used in the first step of the Calvin-Benson cycle?
A. Three molecules of RuBP are regenerated from five molecules of G3P. B. Three molecules of RuBP and three molecules of CO2 react to form six molecules of 3-phosphoglyceric acid. C. RuBP reduces six molecules of 3-phosphoglyceric acid to form six molecules of G3P. D. The phosphate group on RuBP is removed and added to ADP to make ATP.