Biology 111 Lab Final
Centi
1 x 10 ^ -2
Milli
1 x 10 ^ -3
Micro
1 x 10 ^ -6
Nano
1 x 10 ^ -9
What are the stages of development?
1) Gamete 2) Zygote 3) Morula 4) Blastula 5) Gastrula
What is true about science?
1) It is an orderly process 2) It proceeds by posing and answering questions 3) Results in scientific experiments are repeatable
What role does NADH play in cellular respiration?
1) It powers proton pumps 2) It transfers electrons 3) It is involved in redox reactions
Given the following data set of frog snout-to-ischium (the ischium is a bone in the hip region) lengths (given in cm), what is the range in cm of the data set: 2.51, 1.10, 5.35, 0.79, 4.95, 1.32, 1.82
4.56
You walk 4.5 meters to reach the sink in lab. What is the equivalent number of centimeters?
450.0
In a typical cell cycle, what amount of time is spent in mitosis?
5-10%
What is the difference between a gene and an allele?
Alleles are specific forms of genes, and may be dominant or recessive.
What are the building blocks (monomers) pf an enzyme?
Amino Aacids
If an archer shoots arrows at a target, and all of his arrows hit very nearly the same spot, but the spot is not the bull's eye he was aiming for, what can be concluded about his efforts?
He was precise but not accurate
What is the name of the type of joint found in the elbow?
Hinge
Isotonic
The concentration of solutions is even in both the inside and outside of the cell.
The study of cell structure is known as
cytology
A destroyed enzyme or protein is called
denatured
During DNA isolation, adding ice-cold _________ will cause the DNA to precipitate.
ethanol
Bone attaches to muscle via
tendons
Parcentered
the specimen will remain in the center of the field of view when the objectives are rotated.
Parfocal
the specimen will stay focused when objective lenses are rotated.
What is true about anaerobic respiration?
1) Lactate may be produced 2) Ethanol may be produced 3) The reactions happen in the cytoplasm 4) CO2 is produced
What are the steps in the scientific method?
1) Observation 2) Pose questions 3) Clarify questions 4) Formulate Hypothesis 5) Experiment 6) Analyze Data 7) Repeat Experiment 8) Form a conclusion
When is CO2 released?
1) Oxidation of pyruvate 2) Krebs Cycle
What variables affect the rate of diffusion?
1) Solubillity of molecules 2) Size of molecules 3) Concentration gradient 4) Polarity of molecules
What should be considered in formulating a hypothesis?
1) The possibility the hypothesis will not be supported by the experimental data 2) Prediction 3) The possibility the hypothesis will be supported by the experimental data
What are the functions of albumin?
1) Water source 2) Food source
What affects the rate of an enzyme-driven reaction?
1) pH 2) Temperature 3) Concentration of enzyme 4) Concentration of substrate
Given the following data set of frog snout-to-ischium (the ischium is a bone in the hip region) lengths (given in cm), what is the median in cm of the data set: 2.51, 1.10, 5.35, 0.79, 4.95, 1.32, 1.82
1.82
Given the following data set of frog snout-to-ischium (the ischium is a bone in the hip region) lengths (given in cm), what is the standard deviation of the data set: 2.51, 1.10, 5.35, 0.79, 4.95, 1.32, 1.82
1.86
If your microscope has a 10x ocular lens, and you are observing a specimen using a 10x objective lens, what is the total magnification of your microscope?
100
What is the best resolving power that can be attained with a light microscope?
100x
Given the following data set of frog snout-to-ischium (the ischium is a bone in the hip region) lengths (given in cm), what is the mean in cm of the data set: 2.51, 1.10, 5.35, 0.79, 4.95, 1.32, 1.82
2.55
Given the following data set of frog snout-to-ischium (the ischium is a bone in the hip region) lengths (given in cm), what is the variance of the data set: 2.51, 1.10, 5.35, 0.79, 4.95, 1.32, 1.82
3.47
What is the correct equation for photosynthesis?
6 CO2 + 12 H2O --> C6H1206 + 6 H2O + 6 O2
What is the name of the type of joint found in the hip/
Ball and socket
Which is a human example of codominance?
Blood type
What color is visible if iodine is in the presence of starch ?
Blue-black
Chlorophyll a
Blue-green
How is the plasmolysis of a plant cell in a hypertonic solution different from what would happen to an animal cell in the same solution?
Both plant and animal cells would shrink in hypertonic solutions, but while the whole animal cell would shrink, plant cells would shrink only within boundary of the cell wall.
If the biochemical reactions in a plant were interrupted so that the light reactions could occur, but nothing after the light reactions, including the dark reactions, could occur, what would be the immediate consequence(s) for the plant?
CO2 would not be converted into glucose.
What are some accessory pigment?
Carotene, Xanthophyll
Temperature
Celsius
Salt solution
Cheek cell collection
What is the primary photosynthetic pigment?
Chlorophyll
What does chlorophyll do when wavelengths of light hit it?
Chlorophyll absorbs some wavelengths and reflects other waverlengths.
Mitochondrion
Chloroplast
Organelle of photosynthesis
Chloroplast
Mesoderm
Circulatory system
A Neuron
Compound Microscope
A Think Slice of Bone
Compound Microscope
A White Blood Cell
Compound Microscope
An Amoeba
Compound Microscope
Bacteria
Compound Microscope
Hypotonic
Concentration is less on the outside of the cell; flow of solution is INTO the cell thus causing it to swell and burst.
Hypertonic
Concentration is more on the outside of the cell; flow of solution is OUT of the cell thus causing it to shrivel and shrink.
________ is defined as mass divided by volume.
Density
The material used in this lab to stimulate the permeability of a cell membrane is ________ tubing.
Dialysis
A Pine Cone
Dissecting Scope
A Snail Shell
Dissecting Scope
An Intact Bone
Dissecting Scope
Presidential Lincoln in his Monument on the Back of a Penny
Dissecting Scope
For a reaction to happen, an energy hill that normally prevents the reaction from occuring must be overcome. What is the effect of an enzyme on that energy hill?
Enzymes decrease the energy hill.
During which season might we see accessory pigments?
Fall
ATP is formed during the oxidation of pyruvate.
False
Biotechnology is a new science.
False
Bones are held together by tendons.
False
Brownian movement moves molecules from low to high concentration.
False
Individual chromosomes are visible with a light microscope during interphase.
False
Individual genes are visible with a light microscope during mitosis.
False
Scientists are the only individuals who use the scientific method.
False
The active site is located on the substrate.
False
The blastula is 64 times larger than a fertilized egg.
False
The cells produced in oogenesis are equal in size.
False
The formula for Rf = distance from pigment origin to the solvent front divided by the distance that the pigment moved
False
The terms magnification and resolution can be used interchangeably.
False
To flex a muscle is to straighten the muscle.
False
When focusing a slide, one should begin with the high power objective and work down to the scanning objective.
False
When are the germ layers established?
Gastrulation
The manipulation of genes is known as ___________.
Genetic Engineering
_______ is the molecule that is the starting point for aerobic and anaerobic respiration.
Glucose
Mass
Grams
If you swim too many laps at once. your _____ muscle in your arm might be sore.
Latissimus
What is the only material that should be used to clean the lenses of a microscope?
Lens paper
Endoderm
Lining of the digestive tract
Volume
Liter
What would make it clear that a recessive trait is carried on the X chromosome in humans?
Many more males would show the trait compared to females.
Length
Meter
Ectoderm
Nervous system
Do organisms directly use the energy stored in food (without converting it)?
No
What do the cells of the vegetal pole give rise to?
Nutrient source
What is the difference between osmosis and diffusion?
Osmosis involves the movement of water; diffusion involves the movement of a solute.
Which does not represent a grouping of cyanobacteria?
Paramecium
Do most enzymes consist of carbohydrate, protein, or lipid?
Protein
Meat tenderizer
Protein digestion
Dishwashing detergent
Release DNA into solution
What will chromatography do to the pigments in the plant extract?
Seperate the pigments
The process of _______ enhances the visibility of a specimen under microscopic examination.
Staining
Allow gas diffusion
Stomata
Matrix
Stroma
Semiliquid with enzymes for light dependent reactions
Stroma
What is the name of the type of joint that holds the bones of the skul together?
Suture
What does it mean if a microscope is parfocal and parcentered?
The image will stay focused and centered if the objective lens is rotated.
How will the distributin of molecules occur when diffusion is complete in a solution?
The molecules will be distributed evenly in a solution.
How can fermentation aid food preservation?
The process acidifies the pH, which prevents microbes from growing.
Would a reaction that is normally enzyme-driven ever occur if enzyme was removed?
The reaction would occur much more slowly.
Why does the expression of cellular respiration as one summary equation not tell the whole story?
There are many steps in cellular respiration.
What is the role of an accessory pigment?
They transfer energy to primary pigments and absorb wavelengths beyond chlorophyll's range.
Cristae
Thylakoid
Membrane with enzyme complexes
Thylakoid
Phenolphthalein turns red in a basic solution.
True
When is meiosis 2 completed in an egg?
When the egg is fertilized
Xanthophyll
Yellow
Chlorophyll b
Yellow-green
Carotene
Yellow-orange
What would contain lactobacilli
Yogurt
What is the energy hill called that reactants must overcome to become products?
activation energy
An alternate form of a gene is an
allele
Which suffix usually makes up the end of an enzyme's name?
ase
When you do a pull-up, you are promarily using your ________ muscle.
biceps
Earl cleavage results in the formation of a hollow ball of cells known as the _______.
blastula
An intermediate phenotype indicates that a trait has ______ dominance.
incomplete
The _______ hypothesis states there will be no difference between the control and experimental groups in an experiment.
null
In a well-designed experiment, only ______ treatment variable that differs between the control and experimental group is tested.
one
If a membrane allows some molecules to pass, it is called semi or differentially _________
permeable
Cold ethanol
precipitate DNA
Meiosis in flowering plants occur in the ovary in the female plant and in the ______ of the male plant.
stamen