Why is ATP an important molecule?
A) It links major pathways that release energy with those that require energy.
B) It is an energy source that is found in high concentrations in cells.
C) It is an energy source that is always available in large quantities.
D) All of the above
Answer: A
You might also like to view...
If the papilla of a hair follicle is destroyed,
A) the hair produced by the follicle will change from terminal to vellus. B) the color of the hair will become lighter. C) the texture of the hair will become coarser. D) the hair matrix will lose its blood supply. E) hair production will not be affected.
The prefrontal cortex changes very little after age 10. Therefore, in its structure and maturity this brain region in a teenager is similar to that of an adult
Indicate whether this statement is true or false.
This receptor detects continuous deep pressure and distortion of the skin
A. Krause bulbs B. Lamellated corpuscles C. Arrector pili corpuscles D. Ruffini corpuscles E. Tactile corpuscles
Genes produce their products ________
A) only when the appropriate hormone is present B) when the transcription activator is inhibited by an extracellular signal C) as their products are needed or not D) at a steady rate all the time