In the ABC model of floral determination, a different combination of the three genes specifies each floral organ. Which gene works in combination with the other two?
A. florigen
B. B
C. ethylene
D. A
E. C
Answer: B
You might also like to view...
During radioactive decay, the nucleus of an atom ________
a. disintegrates, releasing particles and energy b. captures an unclaimed proton c. transposes its neutrons and electrons d. converts from a relatively stable to an unstable form
Any product of natural selection that increases the relative fitness of an organism in its environment is
called
a. mutation. b. adaptive trait. c. adaptation. d. speciation. e. variation.
Which is the correct order for the three lines of defense?
1.innate immunity, physical/chemical/mechanical barriers, adaptive immunity 2.physical/chemical/mechanical barriers, adaptive immunity, innate immunity 3.physical/chemical/mechanical barriers, innate immunity, adaptive immunity 4.innate immunity, adaptive immunity, physical/chemical/mechanical barriers
An example of a "seedless vascular plant" is a:
A) pine tree. B) green alga. C) club moss. D) gymnosperm.