50. what do researchers believe about the
hypothalamus?
f. it prevents mild depression.
g. it manages emotions.
h. it regulates the temperature of blood.
j. it causes negative emotions, such as fear,
rather than positive emotions.
k. it regulates the flow of blood to the brain.

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

Which statement best explains why cells were observed in more detail using a compound microscope than a simple microscope? a compound microscope has greater magnification ability than a simple microscope. the compound microscope was invented before the simple microscope. a compound microscope is much easier to manufacture than a simple microscope. compound microscopes were more common than simple microscopes.

Hormones that bind to plasma proteins