(Lab) Midterm Review Flashcards
What is the name of this class?
BIOL 1408 06
What are the teachers’ names?
Lori Rose (professor) Mary Flores (TA)
What is the Q-drop date?
March 25
Who do you contact about technical difficulties?
Blackboard or SAM IT (not the TA)
What files does Blackboard accept?
pdf and Word docs
What is an independent variable?
A variable that can be controlled/manipulated
What is a dependent variable?
A variable that can be measured, but not controlled/manipulated
What makes a good, testable hypothesis?
The result is consistent over multiple experiments
What were your independent and dependent variables for the handwashing experiment?
IV: amount of time washing hands, type of soap used
DV: amount of bacteria growth
What is the most exclusive category in Linnaean hierarchy?
Species
What is the most inclusive category in Linnaean hierarchy?
Domain
What is the correct way to format a specific name?
Genus and Species must be italiziced
What is a scientific theory?
A statement that’s been supported by experimental evidence and holds true through time
What is used to recide microorganisms on living tissue?
Antiseptics
What is used to inhibit fungal growth?
Fungalstatic
What lens do you use the coarse adjustment knob with?
Scanning lens (4x)
What lens do you use the fine focus adjustment knob with?
Low objective (10x) and High objective (40x) lenses
What is the relationship between working distance and magnification?
They are inversely related, meaning that when working distance decreases, magnigication increases
How do you obtain total magnification?
Multiply the lens number by 10
What lens has the greatest working distance?
Scanning objective (4x)
What is parfocal?
When the scope requires little to no adjustment between objective lenses
What is inversion on the microscope?
Which way the image in the ocular moved
What lens has the smallest working distance?
High objective (40x)
What is are basic units of life?
Cells
What structures are found in all cells?
Ribosomes, cytoplasm, DNA, and plasma membrane
What is the difference between Prokaryotes and Eukaryotes?
Prokaryotes don’t have a nucleus whereas Eukaryotes do
What structures arose from primitive prokaryotes?
Mitochondria and chloroplasts
What is multicellular, photosynthetic, and nonmoving?
Plant
What Kingdom never has cell walls?
Animalia
What term describes “self-feeding” organisms?
Autotroph
What term describes organisms that have to eat other living things?
Heterotroph
What are the advantages of membrane enclosed compartments?
Everything is neatly packaged together and organized
Why are cells so small?
(Water balloon analogy) If they’re too big, the organism will explode
What are the three parts of cell theory?
- All living things are made up of cells
- All cells come from preexisting cells
- All biochemical reactions occur eithin cells
What is phagocytosis?
Can be defined as “cellular eating”