Water-soluble hormones
a. have to be transported by specific protein carrier molecules in the blood.
b. have no trouble entering the target cells.
c. find and react with the cell lipid bilayer.
d. always elicit the production of a second messenger.
e. are the same as lipid soluble.
A
You might also like to view...
Imagine you genetically engineered a neuron to produce voltage-gated Na+ and K+ channels that had the same opening times in response to a change in voltage. How would that change the recording above?
A. The peak voltage would be higher. B. The peak would occur over a longer period of time. C. The period of hyperpolarization would be longer. D. No action potential would be generated. E. Threshold values would increase.
In vertebrates, external fertilization (select all correct choices):
A. is common among mammals. B. cannot occur in marine (salt water) conditions. C. is found in some fish and amphibians. D. involves releasing gametes directly into a wet environment. E. is a form of asexual reproduction.
The tissue of the vascular plant that conducts water and dissolved minerals from the roots to the leaves is the
A. phloem. B. xylem. C. cuticle. D. root. E. stomata.
Large gut populations of Bifidobacterium are
associated with:a. stomach cancer. b. irritable bowel syndrome. c. gastroesophageal reflux disease. d. improved immune function. e. increased vital capacity