When Troponin Binds Calcium

question 49

Multiple Choice

When troponin binds calcium,

• A) it changes conformation,twisting tropomyosin and exposing the actin-myosin binding site.
• B) ion channels open and sodium rushes into the muscle cells.
• C) it allows tropomyosin to bind actin.
• D) it changes conformation,exposing the ATP binding site and allowing the actin-myosin bond to break.
• E) ATP binds to the myosin head,allowing myosin to attach to actin.

Explore the role of diversity and inclusivity in the IT workplace.

Understand the impact of geographical information on IT jobs and the necessity of being on-call or available outside standard working hours.

Understand the demographics and diversity in the IT workforce.

Comprehend the roles and responsibilities of IT managers in the systems development process.

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Definitions:

Cancer Cells

Abnormal cells that divide uncontrollably and can invade nearby tissues or spread to other parts of the body.

Nondisplaced Fracture

A break in a bone that has not led to a misalignment of the bone fragments; the broken pieces remain in place.

Radius

One of the two large bones in the forearm, extending from the elbow to the wrist on the side of the thumb.

Ulna

One of the two long bones in the forearm, running from the elbow to the smallest finger, and located on the side opposite the thumb.