A common second messenger molecule is
a. a steroid compound.
b. cyclic AMP.
c. ADP.
d. prostaglandin.
e. intermedin.
B
You might also like to view...
Which of the following is true of typical plant development?
a. Growing tips and zones are present throughout a plant's life, and final plant form is not influenced by the environment. b. Plant bodies have a fixed final size, and final plant form is influenced by the environment. c. Final plant form is not influenced by the environment, and growing tips and zones are present throughout a plant's life. d. Growing tips and zones are present throughout a plant's life, and plant bodies do not have a fixed final size. e. Plant bodies do not have a fixed final size, and final plant form is not influenced by the environment.
Insect growth and metamorphosis is controlled by the steroid hormones ecdysone and juvenile hormone (JH)
In insects like butterflies and moths that have a distinct larval (juvenile) and adult stage, the relative amount of JH determines whether the insect molts to the next juvenile stage or switches to become an adult. Can you think of a way to use this hormonal system to control caterpillar agricultural pests?
The DNA strand that is replicated smoothly and continuously is called the:a
primary strand. b. first strand. c. leading strand. d. alpha strand. e. lagging strand
The type of protection provided by the injection of diphtheria toxoid.
a. innate resistance b. naturally acquired active immunity c. naturally acquired passive immunity d. artificially acquired active immunity e. artificially acquired passive immunity