Quiz 1

Question 1

Silicon has an atomic number of 14, therefore it has ___ electrons in its outermost shell

Answer 1

4

Question 2

why is water considered a polar molecule

Answer 2

it’s electrons are closer to oxygen because of oxygens high electro negativity

Question 3

why are antioxidants good to have in your diet

Answer 3

they protect against free radicals

Question 4

properties of water

Answer 4

water is “sticky”, polar and covalent, hydrogen bonded which is the weakest form of bonds

Question 5

which atom is most likely to form a bond with itself

Answer 5

oxygen 8

Question 6

in regard to lipids, which is most likely for the term of unsaturated to refer to

Answer 6

the presence of double bonds between adjacent carbon atoms in a fatty acid

Question 7

proteins are made up of these molecules

Answer 7

amino acids (20 of them)

Question 8

properties of hormones

Answer 8

synthesized by specific tissues secreted into the bloodstream; change activity of target cells that have receptors for the hormone