sterols

Question 1

sterols play vital roles in a variety of what?

Answer 1

life processes

Question 2

what are sterols?

Answer 2

a class of lipids that contain 4 hydrocarbon rings fused together

Question 3

sterols differ only in what?

Answer 3

the number, type, and position of functional groups and in the carbon side chains linked to the hydrocarbon rings

Question 4

give a few examples of sterols

Answer 4

cholesterol, testosterone, estrogen, and vitamin d

Question 5

cholesterol is a vital component of what and is the starting molecule for what?

Answer 5

vital component of cell membranes, starting molecules for many other sterols and steroid hormones

Question 6

cholesterol can be manufactured where? and ingesting too much can lead to what?

Answer 6

can be manufactured in our liver, and ingesting too much can lead to cardiovascular disease

Question 7

what are hormones?

Answer 7

signaling molecules that are active at low levels and control many processes in plants and animals