Which elemnt is most important fkr adding strength to hair, feathers, and outer skin?

This is a macromolecule that holds cell information in a coded form. Made of sugar, phosphate and

Which description best contrasts gross and microscopic anatomy? A.) Gross anatomy refers to parts of an animal that are internal, whereas microscopic anatomy refers to parts outside the body. B.

Typically, roofs on houses in the tropics are white. What advantage does this provide to the inhabitants? A) It would absorb most of the incoming visible light, thus keeping the inside of the house cooler.

Mental illness is the second leading cause of disability in the united states. a. True b. False

2. Which of the following is the best description of the fluid mosaic model? A fluid triglyceride bilayer with embedded proteins. A fluid phospholipid bilayer with embedded proteins. A stationary triglyceride bilayer with fluid proteins.

True or false? Gas particles never touch each other. A. True B. False

A butterfly young shed its skin a lot of time. Why does it needs to undergo the process if moulting?

What are three to nine chain carbohydrates called? A. Polysaccharides B. Monosaccharides C. Trisaccarrhides D. Oligosaccharides

What gas is necessary for the candle to efficiently burn?

Why aren't mineral deposits harvested from deep water?