
Understanding Health and Biology Concepts
Interactive Video
•
Chemistry, Biology, Science
•
10th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What structural feature makes fibrous proteins like keratin insoluble?
Presence of hydrophilic groups
Lack of amino acid sequences
Presence of hydrophobic groups
Short polypeptide chains
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an increase in temperature affect the secondary structure of a polypeptide?
It decreases the length of the structure
It strengthens hydrogen bonds
It forms new peptide bonds
It breaks hydrogen bonds
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which risk factor was perceived more accurately by individuals in the study?
High blood pressure
High cholesterol
Overweight
Inactivity
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key factor in designing a study to ensure valid conclusions about CVD risk?
Educating participants about CVD
Using a small sample size
Focusing only on smokers
Ignoring underlying health conditions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What lifestyle change can reduce the 10-year risk of CVD for a smoker with high cholesterol?
Increase salt intake
Reduce saturated fat consumption
Avoid exercise
Increase sugar intake
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which factor increases the fluidity of a cell membrane?
Decrease in temperature
Increase in cholesterol
Shorter fatty acid chains
Saturated fatty acids
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do fish adapt their cell membranes when moved to colder water?
Increase in saturated fatty acids
Decrease in unsaturated fatty acids
Shortening of fatty acid chains
Increase in cholesterol content
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