Unit 1- Chemistry of Life

Question 1

Organic Compounds

Answer 1

contain carbon
- lipids, proteins, carbs

Question 2

Saturated fat

Answer 2

bad for you, animals and some plants hae it, solidifies at rm temp

Question 3

Unsaturated fat

Answer 3

better for you, plants have it, liquifies at rm temp

Question 4

Steroids

Answer 4

lipids whoses structrues looks likes chicken ware fence( vovo’s house)
-cholesterol and sex hormones

Question 5

Phospholipids

Answer 5

glycerol + 2 fatty acids + 1 phosphate group
- membrance bilayers of cells
- hydrophobic interiors
-hydrophilic exteriors

Question 6

Carbohydrates

Answer 6

used by cells for energy and structure
- monosaccharides (glucose)
- disaccarides (sucrose, maltose, lactose)
-storage polysaccarides (starch-plants, glycogen-animals)
- structural polysaccarides( chitin-fungi, cellulose- arthropods)

Question 7

pH increases by how many times

Answer 7

10
-pH 4 is 10 times more acidic than pH 5

Question 8

Breaks down compunds by adding water

Answer 8

hydrolysis reaction

Question 9

Two components brought together, producing H2O

Answer 9

dehyrdration reaction

Question 10

Endergonic reaction

Answer 10

reaction that requries input of energy

Question 11

Exergonic

Answer 11

reaction that gives off energy

Question 12

Redox reation

Answer 12

electron transer reactions

Question 13

All of the follow are carbohydrates except
A. starch
B. glycogen
C. chitin
D. glycerol

Answer 13

D. glycerol

Question 14

An amino acid contains which of the followinig functional groups?

Answer 14

A. Carboxul group and amino group

Question 15

The sequence for peptide bonds order is in the ___________ structure of a protein

Answer 15

primary

Question 16

The secondary structure is held by ______ bonds which are esstential

Answer 16

hydrogen
alpha helix and beta cheet

Question 17

The folding from R groups is located in the _______ structure and controls basic functions

Answer 17

tertiary

Question 18

2 or more polypeptide chains(subunits) are locted in the _______ structure

Answer 18

quaternary

Question 19

Lipids are ________ and ___________ in water

Answer 19

hydrophobic and nonpolar