Molecular Weight Calculation Techniques
Interactive Video
•
Mathematics, Science, Computers
•
10th - 12th Grade
•
Practice Problem
•
Hard
Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in creating a molecular weight standard curve?
Entering data into a word processor
Calculating the molecular weight directly
Measuring the migration distance of bands
Drawing a line at the bottom of the gel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What unit is used for measuring migration distance in this tutorial?
Centimeters
Meters
Inches
Millimeters
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is consistency important when measuring migration distances?
To use different units for each measurement
To ensure accurate plotting and comparison
To make the process faster
To avoid using Excel
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Excel function is used to calculate the log of molecular weight?
SUM
AVERAGE
LOG
EXP
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of plot is used to visualize the relationship between migration distance and log molecular weight?
Pie chart
Line graph
Scatter plot
Bar chart
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of adding a trend line to the scatter plot?
To make the plot look more colorful
To highlight the largest data point
To estimate the relationship between variables
To change the plot type
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you estimate the molecular weight of a protein using the trend line equation?
By using the color of the band
By counting the number of bands
By using the migration distance in the equation
By measuring the width of the band
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