Which is NOT true about protein kinases?
A. They perform the opposite function as phosphatases.
B. They add phosphate groups to proteins.
C. They remove phosphate groups from proteins.
D. They produce effects similar to allosteric modulation.
E. They use ATP to carry out their reactions.
Answer: C
You might also like to view...
The anterior lobe of the pituitary gland can be divided into three parts: the pars distalis, the pars intermedia, and the pars
A) tuberalis. B) nervosa. C) pinea. D) intermedia. E) magnus.
Answer the following statements true (T) or false (F)
1. A passive process wherein carrier molecules transport materials down concentration gradients across a membrane is called osmosis. 2. Endocytosis is an energy-requiring process where vesicles containing fluid or solid materials from the extracellular environment are formed. 3. Active transport is an energy-requiring process whereby ions and possibly other materials are moved across a membrane by carrier molecules, which work regardless of any concentration gradients. 4. Vesicles that contain oxidases and catalase are called peroxisomes. 5. Structures responsible for essential cleanup and recycling functions inside the cell are called lysosomes.
The highest level of exercise that can be performed without causing a significant change in blood pH is called the ________.
A. aerobic threshold B. Hering-Breuer reflex C. lactate tolerance level D. anaerobic threshold
A slightly movable joint is a(n)
A) synarthrosis. B) diarthrosis. C) amphiarthrosis. D) gomphosis. E) synostosis.