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Biotechnology Skills Test Review #1
Test Description: This review is intended to help you prepare for the certification test in biotechnology.
Instructions: Answer all questions to get your test result.
1) When performing electrophoresis on a gel, which electrode should the wells in the gel be closest to?
A
neutral
B
positive
C
polar
D
negative
2) What color is the negative electrode in the electrophoresis chamber?
A
White
B
Black
C
Blue
D
Red
3) What is the purpose of Polymerase Chain Reaction, or PCR?
A
To replicate protein.
B
To transform a gene.
C
To produce DNA nucleotides.
D
To amplify DNA or portions of DNA.
4) For a step in a lab protocol, you need to pipette 19 uL of a liquid into a tube. Which piece of equipment would do this most accurately?
A
20 uL - 200 uL pipette
B
2 uL - 20 uL pipette
C
10 uL - 100 uL pipette
D
0.1 uL - 10 uL pipette
5) Which of the following items would not be found on an MSDS (Materials Safety Data Sheet) for a chemical?
A
Chemical characteristics of the product
B
Substance Name
C
Health hazards
D
Cost of the Product
6) Which of the choices below shows the correct sequence of substances in protein synthesis?
A
mRNA DNA rRNA tRNA amino acid protein.
B
mRNA DNA rRNA amino acid tRNA protein.
C
DNA mRNA rRNA tRNA amino acid protein.
D
mRNA DNA rRNA tRNA protein amino acid.
7) Which of the measurements below is equal to 0.5 mL?
A
500 uL
B
50 uL
C
5000 uL
D
5 uL
8) The regions within the DNA that do not code for the production of a protein are called:
A
Introns
B
Transposons
C
Exons
D
Nucleons
9) Gram Formula Weight (GFW) is a term that means the same as Molar Mass. So, if the GFW of Carbon is 12.01 and the GFW of Oxygen is 16.00, what is the GFW of CO2?
A
28.01
B
32.01
C
44.01
D
4.401
10) What is it about a bacterium that allows it to be gram stained?
A
The amount and type of DNA it has.
B
The structure of the cell wall.
C
The composition of its cytoplasm.
D
Its shape.
*select an answer for all questions
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