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Duchenne Muscular Dystrophy (DMD) Inheritance Pattern

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Duchenne Muscular Dystrophy (DMD) Inheritance Pattern

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Questions and Answers

What is the correct order of events that occur immediately after acetylcholine binds to postsynaptic receptors of a muscle fibre, causing the muscle to contract?

2 - 1 - 3 (correct)

2 - 3 - 1

3 - 2 - 1

1 - 2 - 3

What percentage of the three base codons that can be made using the standard genetic code are stop codons?

9.4%

7.8%

4.7%

14.1% (correct)

What is the characteristic of prokaryotic DNA?

Circular chromosomes located within the cytoplasm (correct)

Associated with histone proteins and undergoes meiotic cell division during replication

Linear, with multiple chromosomes contained within a nuclear membrane

Highly condensed and organized into chromatin fibers

In a DNA molecule with 12 phosphates and 2 adenines, how many purine bases are present?

4 Signup and view all the answers

Which of the following statements accurately describes the surface area-to-volume ratio and cell growth?

The surface area-to-volume ratio decreases as the cell grows Signup and view all the answers

What is the primary function of acetylcholine in muscle contraction?

Binding to postsynaptic receptors Signup and view all the answers

What is the significance of stop codons in protein synthesis?

They terminate translation Signup and view all the answers

What is the characteristic of prokaryotic DNA organization?

Circular chromosomes located within the cytoplasm Signup and view all the answers

In a DNA molecule, what is the relationship between phosphates and deoxyribose sugars?

One phosphate is associated with one deoxyribose sugar Signup and view all the answers

What is the consequence of an increased surface area-to-volume ratio on cell growth?

The cell grows slower Signup and view all the answers