Important molecules in the body

Question 1

what is a lipid?

Answer 1

fats organic compounds enter the body in eggs, meat, dairy and oils

Question 2

What are the most abundant lipids in the body?

Answer 2

Tryglcerides
Phospho lipids
steriods

Question 3

What atoms are lipids made up of?

Answer 3

carbon, hydrogen and X

Question 4

what are triglycerides composed of (neutral fats)

Answer 4

2 building blocks
attachment of 3 fatty acids to:
a single glycerol molecule

Question 5

Triglycerides are?

Answer 5

non-soluble

Question 6

What does hydropholic mean?

Answer 6

The head of phospholipid = water loving - charge

meaning it attracts and interacts with water and ions

Question 7

what is hydropholic made up of?

Answer 7

2 fatty acids on a phospholipid (TWO BUILDING BLOCKS) and phosphate

Question 8

What are steriods?

Answer 8

Cholesterol - raw material in cell membranes used to make - sex hormone - cortisol

Question 9

What are proteins?

Answer 9

chain of amino acids that bin with polypeptide bonds

Question 10

What do proteins contain?

Answer 10

carbon, oxygen, and hydrogen

Question 11

0-0-0-0-0-0-0-0-0-0- =

Answer 11

0 = amino acids, - = polypeptide bonds

Question 12

The shape of proteins determine?

Answer 12

Function

Question 13

Shape detemines their function ?

Answer 13

Fibrous
goblular
enzymes
mechanical reactions occur if they dont become denatured eg. ph/metals/temp - it stops functioning (homeostasis).

Question 14

What is DNA/RNA?

Answer 14

protein synthesis coding

Question 15

DNA structure is ? and contains?

Answer 15

double helix

sugar phosphate

Question 16

What baes pair together in DNA

Answer 16

A-T

C-G

Question 17

RNA structure is? and contains?

Answer 17

single straded
single of sugar phosphate
no thyamine
but has Uracil

Question 18

What bases pair together in RNA?

Answer 18

A=U

C=G

Question 19

What is ATP?

Answer 19

Energy - to all body cells

o-o-o-o-o-o -=energy bonds o=phosphate

Question 20

WHAT IS pH?

Answer 20

The symbol for hydrogen ion concentration - a measure of the relative acidity or alkalinity of a solution

Question 21

pH scale?

Answer 21

acidic 0-7(neutral)-14 alkaline = lows in H

Question 22

What is duffusion?

Answer 22

Movement of molecule (no energy)

High to low