
Dystrophin Gene and Muscular Dystrophy
Interactive Video
•
Biology
•
11th - 12th Grade
•
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 primary function of the dystrophin protein in muscle fibers?
To store calcium ions
To transport oxygen in the bloodstream
To link actin to a protein complex in the sarcolemma
To provide energy to muscle cells
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to muscle fibers in the absence of dystrophin?
They produce more creatine kinase
They regenerate more quickly
They leak intracellular components and become damaged
They become stronger and more flexible
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many exons does the dystrophin gene consist of?
50
100
150
79
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the result of a frameshift mutation in the dystrophin gene?
Increased production of dystrophin
No effect on the protein
Production of a fully functional dystrophin protein
Production of a truncated, unstable dystrophin protein
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reading frame rule in the context of the dystrophin gene?
It defines the sequence of amino acids in a protein
It describes how exons connect to each other during transcription
It determines the number of exons in a gene
It explains how proteins are transported in muscle cells
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of mutation allows for the production of partially functional dystrophin?
Point mutation
Silent mutation
In-frame mutation
Frameshift mutation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a possible outcome for patients with in-frame mutations?
They may develop Becker Muscular Dystrophy
They never show symptoms of muscular dystrophy
They always develop Duchenne Muscular Dystrophy
They have increased muscle strength
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