Bio-Lab final
what is 100 uL equivalent close to?
0.1mL
Ocular lenses found in most compound light microscopes a magnification of..?
10X
What volume of liquid would a P200 micropipette at this setting (pictured below) measure out? 115
155Ul
Optimum temperature for most enzymes
20-40 degrees Celsius
How much ATP is generated by the complete oxidization of pyruvate into CO2 and H2O via aerobic respiration?
36-38
You are using a compound microscope and you have the objective lens set to 40x. What is the total magnification you are using to view the specimen?
400x
What is the chemical equation for photosynthesis?
6CO2 + 6H2O ------> C6H12O6 + 6O2
What is the enzyme that will be used in todays lab?
ALP
The linear relationship between the concentration of a colored solution and its light absorbance is known as the ______.
Beer-Lambert Law
CO2 is converted into a stable organic compound through a process known as
Carbon fixation
The process by which organisms chemically oxidize organic compounds as a means of generating ATP is?
Cellular Respiration
What is used to compare observed ratios for a given cross compare with predicted ratios?
Chi-square analysis (X2)
What color-producing chemical will be used in today's lab to determine the concentration of glucose solutions through absorbance readings?
Chromagen
What are autosomes?
Chromsomes 1-22
If you were given a sample of bacteria to analyze, which microscope would be best for quickly identifying the specimen?
Compound
In prokaryotic cells, catabolism of pyruvate takes place in the __________________. Whereas, in eukaryotic cells, it occurs in the _________________________.
Cytoplasm, mitochondria
What will happen in the experiment when light hits the chloroplasts?
DPIP will be reduced, DPIP will change from blue to colorless, there will be an increase in light transmittance
What number do chromosomes of somatic cells contain?
Diploid number (2n)
Which has a smaller wavelength: electrons or visible light?
Electrons
The first offspring produced from a monohybrid cross is called the...
F1 generation
Dissecting microscopes allow higher magnification than compound microscopes. T/F?
False
Enzyme activity typically occurs within a very broad pH range. T/F?
False
If the results of a patient's two "random" glucose readings are 196 mg/dL and 200mg/dL, this person meets the criteria of diabetes mellitus. T/F?
False
Only glucose can be broken down to generate ATP?
False
Plant cells are like red blood cells and can potentially burst when placed in solutions of varying tonicity.
False
Name the two types of peas that we will be working with in the cellular respiration lab.
Format, germinating
Genetic composition of an organism is the?
Genotype
What is the end product of photosynthesis (for the plant)?
Gluclose
What is the substrate for Glycolysis, Krebs, ETC
Glucose, pyruvate, electrons
At which stages of aerobic cellular respiration are ATP produced?
Glycolysis, Krebs cycle, Chemiosmosis
What factors determine how fast water moves across a membrane? Select all that apply.
Hydrostatic pressure, Solute concentration difference
The variable that is manipulated or varied by the researcher in an experiment is the:
Independent variable
There is a(n) __________ relationship between the color of a solution and the wavelength of light it best absorbs.
Inverse
Your resting heart rate is___________
Is when your heart is pumping the least amount of blood When your heart rate is at its slowest
1st and 2nd phase of photosynthesis
Light Reactions, Dark reactions
What will happen when a red blood cell is placed in distilled water?
Lysis
What are the general steps in order of the scientific method?
Making observations, developing hypothesis's, designing experiments, analyzing results, repeat
Is photosynthesis a catabolic process?
No
Tonicity is the measurement of what?
Osmotic pressure
What micropipette(s) could be used to measure out 175μL of liquid?
P200 and P1000
PSI and PSII photosystem
P700 and P680
Appearance of a particular trait is the?
Phenotype
ALP catalyzes the hydrolysis of _______________ attached to proteins or lipids.
Phosphate groups
Large complexes of proteins and pigments (light-absorbing molecules) that are optimized to harvest light are called:
Photosystems
A scanning electron microscope (SEM) does what of the following?
Produce 3-D images of the surfaces of objects
The difference between dialysis tubing and real cell membranes is that
Real membranes are more selective
Blue-colored objects absorb which wavelength of light the most?
Red
When leaf pigments absorb light, electrons are boosted to a higher energy level, providing energy to:
Reduce NADP+ and produce ATP
Two groups being able to reproduce the results of an experiment conducted in the exact same way follows the principles of:
Similarity of Causation
Which of the following molecules can diffuse through a cell membrane? Mark all that apply.
Small molecules
What is the name of the machine we will use in today's lab to measure the amount of light that is absorbed by a solution?
Spectrophotometer
During the dark reactions, atmospheric carbon dioxide (CO2) is brought into the leaf through tiny pores called: ___________
Stomata
What will happen when a red blood cell is placed in a hypertonic solution?
The cell becomes shriveled
What happens if either the enzyme or substrate is limited?
The enzyme reaction rate will remain constant
What is the P generation?
The first set of parents crossed
Aerobic respiration yields more ATP than anaerobic respiration.
True
Fermentation generates energy?
True
When an enzyme's reaction rate doubles for every 10 degree Celsius increase in temperature it's called the Q10 effect. T/F?
True
The cause behind the results of an experiment will stay the same if we repeat the experiment tomorrow follows the principles of:
Uniformity
What determines resolution?
Visual Acuity, Lens Quality, Lens Diameter, Magnification
What does homozygous mean?
When the same pair of alleles compress a trait
What color will the product of todays experiment turn?
Yellow
Accuracy vs. Precision
accuracy: how close experimental value is to accepted value; precision: how closely measured values agree with each other
Objective lens on microscope
enlarges the image of the specimen
Many species are unable to utilize oxygen as a final electron acceptor during cellular respiration due to:
lack of ETC proteins, lack of oxygen in the environment, lack of enzymes needed to inactivate free radicals
No difference in outcome is the ____ hypothesis
null
What is the in vitro substrate for alkaline phosphatase (ALP) that we will be using in lab?
pNPP
Coarse Focus Adjustment Knob
this part moves the stage up and down to help you get the specimen into view