uhhhhh I think that its A
The answer is gliding. Abduction, rotation (external and internal) and extension all occur in most joints including the ball-and-socket , saddle and condyloid joints. The shoulder joint is a ball-socket joint. Gliding occurs in intercarpal joints of the hands.
Answer: NADPH and ATP.
The Calvin cycle is a set of reactions that happens as part of photosyntesis, after the energy of the light has been taken. That is whay it is said that the Calvin cycle is independent of light or that it is the dark phase of photosynthesis.
The energy of NADPH and ATP molecules is used during Calvin cycle to fixate the CO2.
Explanation:
purines-Double carbon-nitrogen ring with four nitrogen atoms
pyrimidines-Single carbon-nitrogen ring with two nitrogen atoms