Mi

Quiz
•
Biology
•
9th Grade - University
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When a positive + result occurs ELISA, then one could conclude that...
a + result always means illness
it is a false + and no illness
the antibody is present
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a primary antibody?
the second antibody used to detect foreign particle
particle produced by the antigen
the first antibody used to detect foreign particle
second cell produced by the macrophage
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a positive and negative control necessary in the setup of ELISA?
positive controls are equal to negative controls
ELISA is subject to errors; if controls fail the results are untrustworthy
ELISA is a well run test that typically does not need controls
negative and positive controls are needed to exclude all results
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it necessary to wash the samples repeatedly?
it is important to keep the lab wells clean
it is important to wash away all bound and unbound antibodies from the wells
it is important to wash away the unbound antibodies
washing the wells is just solid lab practice
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A serial dilution is
the step wise saturation of a substance in solution
the step wise dilution of a substance in solution
a series of sequential dilutions used to increase a dense culture of cells to a more usable concentration.
a dilution that increase by a factor of 1/10 every step
Tags
NGSS.HS-PS1-5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the symbol μL stand for?
nanoliters
microliters
muliters
milliters
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
From what cells do antibodies originate?
b cells
prison cells
t cells
red blood cells
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