6 CO2 + 6 H2O = C6H12O6 + O2 cuando procede hacia la derecha corresponde a la fotosíntesis y cuando lo hace hacia la izquierda representa a la respiración. Explica razonadamente cómo en el citoplasma de una célula vegetal, en un momento dado, pueden estar ocurriendo ambas reacciones simultáneamente.

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

Waianapanapa beach in hawaii is a black-sand beach that was formed by waves crashing against volcanic rock. the sand can be very hot on sunny days. which statement best explains why? o a. the black sand has no heat capacity. b. the black sand absorbs no radiation. o c. the black sand is immune to insolation. d. the black sand has a low albedo.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm