Molecules & Proteins

Question 0

Do inorganic molecules contain carbon?

Answer 0

No, inorganic molecules do not contain carbon

Question 1

True or False:

All organic molecules contain Carbon

Answer 1

True

Question 2

What is Biochemistry?

Answer 2

Chemistry of living things

Question 3

What is Carbon?

Answer 3

Central atom in ALL organic molecules

Question 4

What determines the properties of an organic molecule?

Answer 4

• type of atoms in the molecule

- 3-d arrangements of atoms within the molecule

Question 5

Isomers

Same but different

Answer 5

Same # and composition of atoms but diff. Arrangements

Question 6

Macro molecules

Macro=big

Answer 6

Very large organic molecules

Question 7

What are the most important organic compounds found in living things?

Answer 7

– carbohydrates (corn/starch)

– proteins (muscle tissue)

– nucleic acids ( DNA & RNA)

–lipids (oil)

Question 8

What do ALL organic molecules have? What does it determine.

Skeleton

Answer 8

–Carbon skeleton

– overall shape of molecule

Question 9

Name 3 ways organic molecules differ.

Answer 9

• • length &arrangement
• -kinds & locations of atoms attached to it
• -attached atoms are combined together

Question 10

Functional Groups

Answer 10

Attached atoms are combined together

Question 11

How are polymers built?

Howard polymers broken apart?

Answer 11

–Dehydration synthesis

–Hydrolysis

Question 12

What is a carbohydrate?

Answer 12

Organic molecule composed of carbon, hydrogen, and oxygen

Question 13

What serves as primary living source for most living things?

Answer 13

Carbohydrates

Question 14

What is it called when two or more simple sugars combined, by dehydration synthesis?

Answer 14

Complex carbohydrates

Question 15

Name 4 macromolecules, give an example of each?

Answer 15

1) carbohydrates
(Starch)

2) proteins
(Muscle tissue)

3) nucleic acid
(DNA & RNA)

4)lipids
(Fats, oil & waxes)

Question 16

What does the carbon skeleton do?

Answer 16

Determines overall shape of molecules

Question 17

How d organic molecules differ?

Answer 17

1) length and arrangement of carbon skeleton

2) kinds & locations of atoms attached to it

Question 18

Attached atoms combined together are called?

Answer 18

Functional Groups

Question 19

Organic molecules composed of carbon, hydrogen, & oxygen are called?

Answer 19

Carbohydrates

Question 20

What are complex carbohydrates?

Answer 20

2 or more simple sugars combined, formed by dehydration synthesis

Question 21

What is,
A) disaccharides
B) trisaccharides
C)polysaccharides

Answer 21

A) 2 simple sugars
B)3 simple sugars
C) many simple sugars

Question 22

When heat or another environmental condition break bonds that stabilize the Tertiary (3rd) structure, is called?

Answer 22

Denaturation

Question 23

Name the 5 types of protein, define them.

Answer 23

1) structural protein-maintain shape of cells & organisms(collagen)
2) regulatory proteins- regulate things in the body (enzymes & hormones)

3) carrier proteins- carry molecules from one place to another( lipoproteins)
4) nucleic acid- store & transfer info in cell, made up of nucleotides. (DNA & RNA)
5) DNA- each DNA molecule is made up of 2 strands

Question 24

2 DNA strands twisted together on each other to form a,?

Answer 24

Double helix

Question 25

DNA strand is divided into ______.

Answer 25

Segments

Question 26

4 functions of DNA are:

Answer 26

1) replicate itself
2) store info & transmit to offspring
3) direct synthesis (make) proteins
4) mutate (change chemically)

Question 27

Difference between DNA & RNA?

Answer 27

DNA. RNA
2 strands. 1 strand
Bases: GC, AT. Bases: GC, AUracil
DEOXYIRIBOSE SUGAR. RIBOSE SUGAR