1. Normal blood glucose concentration (BGC) is:
- 100mg per 100cm^3 blood
- 10mg per 100cm^3 blood
- 90mg per 100cm^3 blood
- 9mg per 100cm^3 blood
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Other questions in this quiz
2. Depolaristion only occurs in cells part of the nervous system. True or false?
3. During striated muscular contraction:
- The sarcomere, I band and H zone become narrower, the A band maintains its width
- The sarcomere and H zone become narrower, the A and I bands maintain their
- The sarcomere lengthens, the H zone remains the same size, the A and I bands both shorten
4. When using stem cells to repair damaged tissues, the patient's own stem cells are often used. Why is this?
- Using stem cells from another individual is illegal
- To prevent the rejection of the treatment due to the presence of foreign antigens
- To prevent rejection of the treatment based on the nocebo effect
5. Describe the role of ATP in the sliding filament theory.
- ATP binds to myosin head, releasing it from actin, then it is hydrolysed to ADP, 'recocking' the head.
- ATP binds to the myosin head, altering the myosin tail's angle, pulling the actin along
- ATP binds to troponin molecules on the actin, releasing the myosin head
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