Which proteins are correctly identified? A cytoskeletal elements are movement proteins.
B Antibodies are defense proteins.
CHemoglobin is a transport protein.
D Muscle fibers are structural proteins.
Hormones are regulations of cell function proteins.
Hair is a movement protein.

During the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite

Which direction does the energy flow in this energy pyramid ?