Characteristics of Life
True or False, all living organisms have cells.
True
The periodic table is composed of _____
elements
What numbers are on the pH scale?
0-14
"Macro" means ___
large
Sugars end in ____
-ose
Unicellular organisms have ___
one cell
What is hydrogen's atomic number?
1
Is a solution with a pH of 9 an acid or a base?
Base
Macromolecules are formed through
dehydration synthesis
Carbohydrates are mainly used for...
short-term energy
metabolism
How do you find electrons in an atom?
Electrons are equal to the amount of protons
pH is the measure of ____ in a solution
H+ ions
Why is carbon a special part of macromolecules?
It can make four bonds
Cellulose is...
Structural support for the plant cell walls
Homeostasis is a stable _____
internal enviornment
How do you find protons in an atom?
Is a solution with a pH of 4 an acid or a base?
Acid
Formula for monosaccharides...
C6 H12 O6
Carbohydrates include ____, ______, ______.
Sugar, starch, glycogen
List the seven characteristics of life
- Made of cells
- Metabolism
- Homeostasis
- Reproduction
- Growth and Development
- Respond to Environment
- Evolution
How do you find the number of neutrons in an atom?
Subtract the number of protons from mass number
Is a solution with a pH of 7 an acid or a base?
Neutral
Four major types of macromolecules...
Carbohydrates, lipids, proteins, nucleic acid
Monomer's of carbohydrates....
monosaccharide, one sugar molecule