Biochemistry Chapter 3 Notes-AP Bio

Question 0

What is another name for a proton floating by itself

Answer 0

A hydrogen ion

Question 1

What does pH stand for and mean

Answer 1

The power of hydrogen, measure of ion concentration in water

Question 2

What does 6.02 x 10^23 stand for

Answer 2

How many protons (or neutrons) in 1g. It equals one mole

Question 3

There are isotopes of how many elements.

Answer 3

All of them

Question 4

What does M equal

Answer 4

Moles of solute
–––—————–
Liters of solution
(Molarity)

Question 5

The more concentrated ___________________

Answer 5

The higher number of molar solution

Question 6

How many grams of glucose = 1 mole

Answer 6

180 grams

Question 7

1 x 10^-7 M

Answer 7

Neutral pH

Question 8

What is the dissociation of water

Answer 8

The breaking apart of water molecules into H+ and OH- ions

Question 9

Why can water break apart easily

Answer 9

Because it is so polar

Question 10

Acids

Answer 10

Donate protons

Question 11

Bases

Answer 11

Accept protons

Question 12

Ph is the measure of what

Answer 12

Acidity

Question 13

Biological systems can tolerate how much changes in pH

Answer 13

Only small

Question 14

Extreme pH variations have bad effects on what

Answer 14

All levels of organization

Question 15

Biology is __________

Answer 15

Carbon based

Question 16

Name 3 properties of carbon relating to bonding

Answer 16

Tetravalent, has 4 available bonds
Shares electrons, not usually ionic
Can form 2 double bonds, a triple bond and a single bond, a double and 2 singles, but not a quadruple.

Question 17

Why does carbon have infinite varieties

Answer 17

Abundant, versatile, makes 4 bonds to get stable

Question 18

What represent carbon in pictures

Answer 18

Corners