Intro 2 Bio
Metric System
Metric System
What is Biology? Bio + Ology =
Bio = Life
Ology = the study of
Where would I find the proton and neutron of an atom?
What are some characteristics of the proton and neutron?
Inside the nucleus
proton - positive charge, has mass
neutron - no charge, has mass
Name the so called molecules of life
Carbohydrates
Lipids
Proteins
Nucleic acids
What does the pH scale measure?
Acidity levels
Put these unit of measurement prefixes in order of Largest to smallest.
Micro, Nano, Centi, Kilo, Milli
Kilo-Centi-Milli-Micro-Nano
Name 2 Characteristics of Life
1. Are organized (all are made of cells)
2. Acquire energy
3. Respond
4. Reproduce and develop
5. Adapt
Where would I find electrons in an atom?
Describe its characteristics.
Orbits the nucleus
Has a negative charge, no mass
An example of a monosaccharide is…
a. fructose
b. glucose
c. galactose
d. all the above
all the above
What is the measurement range of the pH scale?
What is considered neutral?
Range 0-14
7 is neutral
The smallest unit of biological structure that meets the functional requirements of “living” is the…
a. organ
b. organelle
c. cell
d. macromolecule
Cell
How many grams in a Kilogram?
1000 grams
A connection of 2 or more atoms is called…
a. ion
b. particle
c. isotope
d. molecule
Molecule
Monosaccharide, Oligosaccharides and Polysaccharides are examples of…
a. Proteins
b. Lipids
c. Carbohydrates
Carbohydrates
If a solution has a pH of 10, is it more acidic or basic/alkaline?
Alkaline
Greater than 7 is alkaline
Less than 7 is acidic
A suggested and testable explanation for an event is called a…
a. variable
b. control
c. theory
d. hypothesis
Hypothesis
Put the following Levels of Organization in Nature in order from Largest to Smallest
Community, Atom, Cell, Organ, Ecosystem, Population, Molecule, Biosphere, Tissue, Population, Organism, Subatomic Particle and Organ System.
Biosphere Ecosystem Community Population Organism Organ System Organ Tissue Cell Molecule Atom Subatomic Particle
Which type of bond represents a weak chemical bond?
a. hydrogen bond
b. ionic bond
c. covalent bond
d. polar covalent bond
Hydrogen bond
Phospholipids are important components of…
a. the ring structure of steroids
b. the double bond in hydrocarbon chains
c. the plasma membrane of cells
d. the waxy covering on leaves
the plasma membrane of cells
What type of microscope do we own?
Hint: light passes through the specimen
Compound light microscope
———— is anything that occupies space AND contains mass
Matter
Name the 5 Kingdoms of Life
Kingdom Monera - Bacteria
Kingdom Protista -
(very diverse group of complex single-celled organisms and simple multi-celled organisms)
Kingdom Fungi
(Molds, mushrooms, yeast)
Kingdom Plantae - Plants
Kingdom Animalia - Animals
An isotope of sodium (Na) has a mass number of 22.
How many neutrons does it have?
11
The monomers that make up proteins are called…
a. nucleotides
b. disaccharides
c. amino acids
d. ATP
Amino acids
What type of microscope has up to 1,000,000x magnification and uses electrons in place of light?
Electron microscope
Enzymes, hormones and antibodies are all examples of…
a. Nucleic acids
b. Lipids
c. Proteins
d. Carbohydrate.
Proteins