Needed

insulin is a hormone humans have to regulate glucose levels in the blood. this is called internal feedback .individuals that do not have the ability to control their insulin level (diabetes) will:
a. be unable to maintain homeostasis
b. be able to maintain homeostasis
c. be able to eat more sugar
d. migrate to new environment

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Which image shows labeled organelles that are present only in plant cells?