What is the one difference between the head and tails of a phospholipid in the cell membrane? The head is repelled by water and the tails are attracted to water.

The head transports waste material and the tails transport ions.

The head transports ions and the tails transport waste material.

The head is attracted to water and the tails are repelled by water.

Which element is used in photosynthesis found in atmosphere and fixed by bacteria?

Which excerpt from the land, part 4 best supports the claim that paul is a talented horseback rider? a/“figure that says more than anything else! now, i want to ride that stallion! " b/my daddy shook his head. "paul only rides horses he knows. ” c/? i glanced over at the other rider. the fellow was older than i, and had the weight of a man on him. d/a man out of alabama, man name of ray sutcliffe, told my daddy i was such a good rider, he wanted me to ride some races for him.

Which of the following best describes the relationship between glucose and complex molecules such as hormones?