True or False: 1. Post-translational modification is usually a quick and reversible way to regulate the activity of proteins. 2. All proteins in any given cell are modified in the presence of the enzyme capable of post-translational modification. 3. Phosphorylation can occur on the side chains of arginine. 4. The enzymes responsible for acetylation are generally called kinases. 5. The most abundant mode of phosphorylation is via two-component systems. 6. There is at least 1 example of a Ser/Thr kinase that is secreted into the host cell from a bacterium during infection. 7. BY kinases phosphorylate threonine residues in the substrate proteins. 8. N-linked glycosylation indicates the attachment of glycan to the hydroxyl group of Ser or Thr.

The “necessary and proper” clause gives flexibility to which part of government?

Which one of the following powers is a check that the president holds over the judicial branch?

Article 1 of the Constitution is primarily concerned with the judicial branch of government.

Choose the three (3) responses that accurately describe sensitometry and sensitometric equipment.

Which of the following changes will have an effect on radiographic contrast?  Choose three (3) responses.

A radiograph of an AP hip is taken that demonstrates insufficient contrast, excessive density, and magnification of the part.  Which of the following changes would be required to correct these issues?

The PTA performed a manual muscle test on the upper trapezius and the levator scapula muscles. What motion of the scapula best describes this muscle test?

The PTA completes the MMT of the lower trapezius muscle and assigned a grade of 2. What definition best describes this grade?

What muscle is being palpated during the active movement by the patient when performing a MMT for knee extension?