Quiz 1 Flashcards
1
Q
Homeostasis
A
How an organism maintains balance
2
Q
How do we communicate?
A
Electrically through the brain and chemically through neurotransmitters
3
Q
Why can’t the red blood cell replicate
A
It does not have a nucleus in which it needs DNA for reproduction
4
Q
What does insulin break down?
A
Sugar
5
Q
What are the two negative mechanisms?
A
Childbirth and blood clotting
6
Q
Ionic Bond
A
Uses a transfer of electrons
7
Q
Covalent Bond
A
Share electrons
8
Q
Hydrogen Bond
A
A weak bond between 2 molecules
9
Q
Acids
A
Release hydrogen ions, also called a proton donor
10
Q
What do the separated hydrogen ions determine?
A
The acidity
11
Q
Base
A
Proton acceptor
12
Q
pH Scale
A
Measures the acidity and alkalinity
13
Q
Neutralization Reaction
A
Strong Acid + Strong Base = Salt Water
