Oxygen gas is an important byproduct of photosynthesis for animals and other organisms. What is true about how oxygen gas is produced during photosynthesis?
O A. Water is split apart during the Calvin cycle and results in oxygen gas
O B. Carbon dioxide is split apart during the Calvin cycle and results in oxygen gas
O C. Carbon dioxide is split apart during the Light reactions and results in oxygen gas
O D. Water is split apart during the Light reactions and results in the oxygen gas

Agene with the original sequence of atgtt—tact underwent substitution mutation to form atatt—tact after a few generations. tact is a part of a muscle protein encoding region, and atgtt codes for a digestive enzyme. what will be the effect of this mutation? a. the production of muscle protein will be affected. b. the production of digestive enzymes will be affected. c. the production of both the protein and the enzyme will be affected. d. the production of neither the protein nor the enzyme will be affected.

What is a group of organisms that are closely related and share similar characteristics

The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind