Exam Questions and CORRECT Answers
What is the order of classification of organisms from most to least inclusive? (Taxonomy) -
CORRECT ANSWER- Domain- Archaea, Bacteria, and Eukarya
Kingdom
Phylum (division)
Class
Order
Family
Genus
Species
What groups make up the three domain system? - CORRECT ANSWER- Bacteria, Archaea,
and Eukarya
How do you properly identify the scientific name of a species? - CORRECT ANSWER-
Genus (first letter caps) Species (lowercase)
Italicized or underlined
What are the three subatomic particles of an atom? Where are they located? - CORRECT
ANSWER- Protons- Nucleus
Neutrons- Nucleus
Electrons- Outer shell
What makes a solution acidic or basic? (pH and ions) - CORRECT ANSWER- Acidic-
Increased [H+] ions
pH of 0-6
Basic-
Increased [OH-] ions
pH of 8-14
, What are the monomers of the four main groups of organic/biological macromolecules? -
CORRECT ANSWER- Proteins- Amino Acids
Lipids- Fatty Acids
Nucleic Acids- Nucleotide
Carbs- Glucose/monosaccharide
What is the function of protiens? - CORRECT ANSWER- Support, enzymes, transport,
defense, movement
What is the function of nucleic acids? - CORRECT ANSWER- DNA- contains information
that is essential for almost all cell activities including cell division
RNA- Stores and transfers information essential for the manufacturing of proteins
What is the function of carbs? - CORRECT ANSWER- Cell structure, adhesion, and
metabolism
What is the function of lipids? - CORRECT ANSWER- Triglycerides- energy storage
Phospholipid- major cell membrane component
Steroids/membrane lipids- cell membrane component
What is the name of the process in which bacteria reproduce? - CORRECT ANSWER-
Binary fission
What is the function of flagella? - CORRECT ANSWER- Movement of bacteria
What is the function of the glycocalyx? (Slime layer and capsule) - CORRECT ANSWER-
Protects cell from dehydration and nutrient loss.
Capsule- organized and firmly attached to cell wall
Slime layer- unorganized and loosely attached
What is the function of sex pili? - CORRECT ANSWER- Used to transfer DNA from one cell
to another (Bacterial Conjungtion)