Genetic variation is accomplished by all but one of the following. Choose the exception
A) the events of meiosis I
B) crossing over
C) independent assortment
D) the events of meiosis II
D
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A system at chemical equilibrium _____
A) consumes energy at a steady rate B) releases energy at a steady rate C) consumes or releases energy, depending on whether it is exergonic or endergonic D) has zero kinetic energy E) can do no work
The letter “A” in the above figure represents
a. ground tissue. b. dermal tissue. c. vascular tissue. d. apical meristem. e. shoot root combination.
Temperate viruses:a
always destroy their host immediately. b. are considered virulent. c. do not always destroy their host. d. do not undergo a lysogenic cycle. e. undergo a lytic cycle.
Which algal group contains individuals that are typically unicellular and form siliceous shells?
a. green algae b. red algae c. brown algae d. dinoflagellates e. diatoms