Chemical Level Of Organization

Question 1

What elements make up 96% of the body?

Answer 1

• Oxygen
• Carbon
• Hydrogen
• Nitrogen

Question 2

How many types of chemical reactions are there and what are they?

Answer 2

• Systhesis reaction
• Decomposition reaction
• Exchange Readtion
• Reversible reaction

Question 3

What is the normal blood pH level?

Answer 3

7.35

Question 4

What do buffer systems do?

Answer 4

Remove or add protons to help maintain pH balance

Question 5

Describe a synthesis reaction

Answer 5

Involves a combination of reactants to produce larger molecules, anabolic and usually endergonic.
* A and B = AB

Question 6

Describe a decomposition reaction

Answer 6

A substance is broken down into smaller molecules, reaction is catabolic and usually exergonic.
AB= A&B

Question 7

What is an exchange reaction?

Answer 7

Involves the replacement of one atom or atoms by another atom or atoms.
AB & CD -> AD & CB

Question 8

What is a reverse reaction?

Answer 8

When end products can revert to the original reactants.

Question 9

What are the different types of bonds?

Answer 9

Chemical
Ionic
Covalent
Hydrogen

Question 10

What is the range of the pH scale?

Answer 10

0 to 14
Lower numbers being acidic
Higher numbers being more alkaline
7 is neutral