Muscles that bend at a joint are called:

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.

What processes take place before the mature mrna exits the nucleus?

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these