exam 1

Question 1

carbon forms stable bonds with?

Answer 1

C,H,O,N,S

Question 2

Carbon can form ______ bonds with itself and others

Answer 2

single, double, triple bonds

Question 3

anything that is 100% hydrocarbon is?

Answer 3

nonpolar

Question 4

anything that has a charge is polar or nonpolar?

Answer 4

polar

Question 5

what are the 4 classes of macromolecules?

Answer 5

Nucleic acids
proteins
lipids
carbohydrates

Question 6

What composes nucleic acids?

Answer 6

nucleotide+sugar+base+phosphate

Question 7

what are the building blocks of proteins?

Answer 7

amino acids

20 naturally occuring

Question 8

what is amphipathic?

Answer 8

polar and non polar regions

Question 9

what is the building block of carbs?

Answer 9

monosaccharide

Question 10

carbs form what 2 forms?

Answer 10

branched and linear

Question 11

what is a dipole?

Answer 11

a molecule that has a electrical charge distributed asymmetrically

Question 12

oxygen is ___ than hydrogen

Answer 12

electronegative

Question 13

when electronegitivity difference is greater than ___ the bond is considered____

Answer 13

2.0, ionic

Question 14

what is a hydrogen bond?

Answer 14

a H is bound to a more electronegative atom(N,O,F

Question 15

on water oxygen is the hydrogen ____

Answer 15

acceptor

Question 16

H-bond accetptors are any ___ atom (N,O,F) with ___ pair of electrons

Answer 16

electronegative

lone

Question 17

Hbond donors is the ___ atom to which the hydrogen atom is bound to

Answer 17

electronegative

OH and NH

Question 18

common Hbond donors

Answer 18

NH, OH

Question 19

common hbond acceptors

Answer 19

ether, amine, carbonyl and carboxyl groups

Question 20

what is stronger linear or bent?

Answer 20

linear