Bio lab
What is the standard metric unit for volume
Celsius
Gram
Liter
Meter
What is the standard metric unit for length
Celsius
Gram
Liter
Meter
What is the standard metric unit for weight
Celsius
Gram
Liter
Meter
65 cm = ___ mm
65
650
6500
0.65
Water boils at what temperature in C?
0
32
100
212
How many milliliters are in a liter
1
10
100
1000
How many milliliters are in a centimeter
1
10
100
1000
What is the name of the part of the microscope you adjust for proper light intensity or contrast
Objective lens
Iris diaphragm
Ocular lens
Coarse focus knob
Which objective lens should be used first in order to find the object
4x
10x
43x
None of the above
The ____ gives the greatest field of view
Longest objective lens
Shortest lens
The ___ gives the greatest magnification
Longest objective lens
Shortest lens
As your magnification increases, your field of view...
Increases
Decreases
Stays the same
What was the most visible organelle of the human cheek cell
Cell wall
Nucleus
Chloroplast
What are the green organelles called in the cells of the Elodea plant
Cell wall
Nucleus
Chloroplast
Do the cells of the red onion bulb produce their own food
Yes
No
The green pigment of the elodea plant was found in the
Plastids
Water of the central vacuole
The red pigment of the red onion skin was found in the
Plastids
Water of the central vacuole
Which organelles do the guard cells of the stomata have that are absent from the skin cells of the zabrina leaf
Cell wall
Nucleus
Chloroplast
In the "heating properties of water" experiment, which substance retained heat longer
Steel
Water
What do the letters "pH" literally mean
Potential hydroxide
Potential hydrogen
Probable hydroxide
Probable hydrogen
How much more acidic is a pH of 3 than 6
10 times more
10 x 10 more
10 x 10 x 10 more
3 times more
What takes more energy
To heat 10 ml of water
To boil away 10ml of water
Which moved the fastest in the agar
Potassium permanganate
Methylene blue
According to osmosis, water will diffuse from where it is in the high concentration to where it is low in concentration
True
False
What happened to the water in the elodea leaf cells when you added one drop of salt water to the slide
Water moved out of the cell
Water moved into the cell
Cell remained unchanged
When you add heat energy to a chemical system, what happens to the speed of molecular reactions
Speeds up
Slows down
There is no change
Enzymes ___ the energy of activation required to get a reaction started.
Increase
Decrease
Create no change
What are the starting reactants in the photosynthesis equation
ATP and Oxygen
Glucose and oxygen
Glucose and water
Carbon dioxide and water
What compound was the elodea plant removing from the phenol solution in the light
Oxygen
Water
Carbon dioxide
Glucose
Is light required by the plant during photosynthesis
Yes
No
What color of light did the chlorophyll extract emit when we shined blue light on it
Green
Red
Blue
What color did the phenol solution become when you blew into it
Yellow/brown
Red/pink
Green
In the chromatography experiment, which pigments are found near the top of the paper
The lighter molecules
The heavier molecules
Weight doesnt matter; it has to do with the color only
When elodea was under a funnel with light shining on it, it produced a what gas that displaced the water in the tube
Oxygen
Water
Carbon dioxide
Glucose
_____ is the process by which plants use sunlight energy to make a new plant tissue
Cellular respiration
Photosynthesis
Glycolysis
Aerobic respiration
What is the technique of using an electrical charge to separate DNA fragments based on their size called?
PCR
Restriction enzymes
Gel electrophoresis
Radioactive probes
What is used to "cut" the DNA into fragments
PCR
Restriction enzymes
Gel electrophoresis
Radioactive probes
What technique is used to artificially "amplify" a small sample of dna
PCR
Restriction enzymes
Gel electrophoresis
Radioactive probes
What was the purpose of using SDS in your dna extraction
Makes dna less soluble in water
Breaks open the cheek cells releasing dna
Makes dna visible
Dna fragments natually have a ____ charge
Negative
Positive
Dna of identical twins is identical but their fingerprints are not
True
False
What is the purpose of the buffer
Separates different sized pieces of dna
Stabilize the pH and conducts electricity
Makes dna visible
If an original strand of dna has the sequence ACTGAGT, what is the complimentary strand
CAGTCTG
GTCAGAC
TGACTCA
To which domain do the common bacteria or "new" bacteria belong
Archaebacteria
Eubacteria
Eukarya
To which domain do the protozoans belong
Archaebacteria
Eubacteria
Eukarya
Your inoculated agar plates were placed in the dark for a week to grow. What kind of organisms are they
Phototrophic
Heterotrophic
Of the two type of organisms in your agar, which one looked "fuzzy" or hair
Bacteria
Fungi
Which cell type lacks a nucleus
Prokaryotic
Eukaryotic
Which cell type are the cyanobacteria
Prokaryotic
Eukaryotic
Which combination of cell type and cell arrangement does not exist in nature
Prokaryotic and unicellular
Prokaryotic and multicellular
Eukaryotic and unicellular
Eukaryotic and multicellular
The ____ generation is ___ and produces gametes
Sporophyte; diploid
Sporophyte; haploid
Gametophyte; diploid
Gametophyte; haploid
What was the dominant generation in moss
Gametophyte
Sporophyte
What is the dominant generation in ferns
Gametophyte
Sporophyte
The small "dots" found on the underside of the fern leaves
Gametes
Spores
Moss
Fungus
Which gender of organs was found on "fern prothallium" slide
Female sex organs only
Both female and male sex organs
Male sex organs only
No sex organs
A flat worm has what type of body plan
No symmetry
Radial symmetry
Bilateral symmetry
A hydra has what type of body plan
No symmetry
Radial symmetry
Bilateral symmetry
Which of the following has a complete gut
Hydra
Flatworm
Roundworm
Sponge
Which animal has an exoskeleton
Hydra
Mammal
Bird
Insect
What two features allowed the frog to leave the water
Dry skin and reproduction without water
Feathers and hair
Lungs and legs
What two features allowed reptiles to be so successful in dry environments
Dry skin and reproduction
Feathers and hair
Lungs and legs
____ is the process of identifying genetic traits with the goal of naming animals or plants
Phylogeny
Taxonomy
Under which condition did the mouse respire more
Room temperature
Packed in ice
What process was it that allowed the elodea plant to turn red phenol solution to a yellow color in the dark
Respiration
Photosynthesis
Glycolysis
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