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WorksheetsGenetics DMD Review
Total questions: 10
Worksheet time: 20mins
When you stand up from your chair at the end of class, you decide to stretch the muscles in your legs. These muscles are
smooth muscle
mid-twitch muscle
cardiac
skeletal
Which of the following statements about DMD is most accurate?
Patients lose muscle mass due to dystrophy.
Patients lose muscle mass due to atrophy.
Patients lose muscle mass due to hypertrophy.
Patients lose muscle mass due to hypotrophy.
Which of the following is INCORRECT about DMD?
Exercises like weight lifting can irreversibly damage muscles of people with DMD.
People with DMD can regain muscle mass by taking creatine supplements.
People with DMD have muscles that get weaker when used instead of getting stronger.
People with DMD get micro-tears in their muscles, which do not heal like typical muscles.
What is the role of dystrophin in muscle cells?
Dystrophin is a regulatory protein in muscles that controls the levels of creatine kinase.
Dystrophin is an enzyme in muscles that connects the myofibrils to the fascicles.
Dystrophin is an enzyme in muscles that helps break sugars down into glucose.
Dystrophin is a protein in muscles that anchors the muscle fibers to the cell membrane.
Which of the following are contractile proteins directly involved in moving muscles?
Dystrophin and tropomyosin.
Actin and myosin.
Sarcolemma and myocyte.
Creatine kinase and actin.
Which of the following statements below are actual differences between RNA and DNA?
RNA is a double stranded molecule, while DNA is a single stranded molecule.
DNA can leave the nucleus, while RNA cannot leave the nucleus.
The backbones of RNA and DNA are different because they contain different sugars.
RNA strands are generally much longer than strands of DNA.
What is special about the mRNA codon AUG?
Met is special because it is the only start codon.
Met is special because it is the only stop codon.
Met is special because it is similar to Tryptophan.
Met is special because it is one of three start codons.
Which of the following is a FALSE statement about enzymes?
Enzymes are a type of protein.
Changes in temperature or pH can denature enzymes
A single enzyme can bind to many substrates
Enzymes make chemical reactions go faster.
Which of these is a female with a homozygous genotype?
XHXh
XHY
XhXh
XhY
To follow a trait through generations in a family, one would us a ...
karyotype
punnett square
gene map
pedigree
