Exam (elaborations)
Giant BACE Quizlet Questions and Answers 2024
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Exam of 7 pages for the course BACE at BACE (Giant BACE Quizlet)
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Giant BACE Quizlet"The observable traits of an organism are referred to as the:"
Genotype
Karyotype
Phenotype - answer “Phenotype"
"Why are enzyme solutions always prepared using a buffered solvent at a specific pH?"
A buffered solvent is resistant to fluctuations in pH, because it is made with a
combination of a weak acid and its conjugate base. Enzymes lose function outside of a
narrow pH range.
A buffered solvent is resistant to changes in pH because it is made with 50% sugar.
Enzymes are best able to maintain their pH in a high sugar environment.
A buffered solvent easily changes in pH because it is made with a combination of a
weak acid and its conjugate base. Enzymes perform best in solutions that can vary in
pH. - answer “A buffered solvent is resistant to fluctuations in pH, because it is made
with a combination of a weak acid and its conjugate base. Enzymes lose function
outside of a narrow pH range."
"When performing a bacterial transformation what purpose do antibiotic resistance gene
serve in plasmid?"
Antibiotics increase the transformation efficiency.
Antibiotics ensure the sterility of the transformation.
Antibiotics allow for selection of only transformed bacteria
Antibiotics increase the efficiency of polymerase during PCR. - answer"Antibiotics allow
for selection of only transformed bacteria"
"If a linear piece of DNA has three restriction sites for EcoRI into how many fragments
will EcoRI cut that DNA?"
2
3
4
5 - answer"4"
"During the process of translation:"
tRNA is translated into proteins
DNA is translated into tRNA
mRNA is translated into proteins
DNA is replicated - answer"mRNA is translated into proteins"
, "Regarding the out of conformance water bath select the most appropriate course of
action for the technician."
Report the problem to QA personnel, or individual in charge of equipment repair
No action need to be taken by the technician.
Repeat the experiment using the same water bath to see if it reaches the appropriate
temperature.
Report the problem to QA or individual in charge of repair, and place an "Out of
Service" label on the water bath - answer"Report the problem to QA or individual in
charge of repair, and place an "Out of Service" label on the water bath"
"Which structure regulates the flow of molecules into and out of the cell?"
Endoplasmic Reticulum
Golgi Apparatus
Nucleus
Lysosome
Plasma Membrane
Mitochondria - answer"Plasma Membrane"
"When water is brought up to 100 C what bonds are broken?"
Covalent bond in the water molecule.
H bond in the water molecule
Covalent bond between adhesive water molecule
Hydrogen bonds between adhesive water molecule - answer"Hydrogen bonds between
adhesive water molecule"
"In a closed system the reactant of the system is A and B: A is equal to X grams and B
and equal to Y grams what is the total mass of the product?"
x + y + heat
x*y
x + y - heat
x + y - answer"x + y"
"In a microscope the total magnification power is 100x. Which objective power is used?"
90
100
50
10 - answer"10"
"A cell placed in a solution shrinks is size. What type of solution is the cell placed into?"
Hypertonic Solution
No answer text provided.
Isotonic Solution
Hypotonic Solution - answer"Hypertonic Solution"
"Each human chromosomes has a characteristic length and banding pattern lining them
up and matching them up is called:"
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