Which of the following statements is true regarding the anterior pituitary gland? Select all correct choices
A. It houses neurosecretory cell axons
B. It is derived from neural tissue
C. It is the target of releasing factors
D. It is derived from epithelial tissue
E. It produces tropic hormones
C,D,E
You might also like to view...
Which feature is unique to echinoderms?
a. Water-vascular system b. Radial symmetry c. Cephalothorax d. Ability to regenerate body parts e. Bilateral symmetry
In pine trees, the male gametophyte is
a. a megaspore. b. the embryonic pine seed. c. a pollen tube. d. a pollen grain. e. a microspore.
Feedback inhibition prevents cells from
A) the harmful effects of enzyme activation by covalent modification of unneeded enzymes. B) making products that are not needed by inhibiting the activity of enzymes in biosynthetic pathways allosterically. C) destroying enzymes by proteolytic cleavage when they are needed in biosynthetic pathways. D) accumulating unnecessary proteins. E) irreversibly inhibiting critical enzymes.
Vertical evolution arises fromSelect all that apply.
A. interspecies exchange of genes. B. gene duplication. C. bacterial conjugation. D. genetic mutations. E. sexual reproduction.