Lipid polymers are often created by numerous non-polar fatty acid chains with a polar head lined up. Which is the best explanation of the lipid structure. Question options:

the polar head only lines up and touches the non-polar tail

the polar heads line up touching and the non-polar tails line up

there is no formation of a polymer lipid

the polar heads repel one another

How does the human body lever work?

Which action is a reflex action. a. asking for coffe in a cold climate b. blinking when light is flashed in the eyes c. drinking water when thirsty. d. swallowing food e. taking an exam

Why are carbon dioxide concentrations expected to increase? a carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase b. carbon dioxide concentrations are expected to increase, because of an increase in agriculture. c. carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use. d. all of the above select the best answer from the choices provided mark this and return save and exit next submit submit