The only endocrine gland whose secretory function is under direct control by sympathetic nerves is the
a. pancreas.
b. thyroid.
c. adrenal medulla.
d. thymus.
e. testis.
C
You might also like to view...
Fructose and galactose both have six carbon atoms, twelve hydrogen atoms and six oxygen atoms, just like glucose. A friend of yours says: "Since those sugars have the same number of atoms, they should have the same name." You Answer: "While they do have the same number and type of atoms,
A. they are all polysaccharides and have slightly different functions within organisms and therefore have different names." B. they are named differently because of their quaternary structures, which is very important in carbohydrates, especially glucose." C. they are named differently because when heated above their optimal temperature they become denatured and will not react with their substrates." D. they are named differently because they are involved in different DNA nucleotide formation." E. they are named differently because they are alternate forms of the monosaccharide, glucose."
When reproductive interests between males and females of the same species differ, as in the case of fruit flies, sexual selection may actually favor adaptations arising in one sex but that are detrimental in the other sex
This, in turn, leads to subsequent "counter-measure" adaptations in the sex that are subject to harm or detriment. This kind of antagonistic sexual adaptation has been termed ________ sexual selection. Fill in the blank(s) with correct word
Some organisms obtain their energy from preexisting chemical compounds and get their carbon from the atmosphere. Which of the following terms describes these organisms?
a. photoheterotrophs b. chemoautotrophs c. photoautotrophs d. chemoheterotrophs
The process involving microspore division and a tough wall to protect the gametophyte leads to the production of what end product?
A. anthers B. pollen C. eggs D. stamens E. ovules