Answers:
1) Water
2) NADH
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1) Water donates the initial electron in photosynthesis. The process of photolysis splits the water into H+ and O2 (oxygen, a byproduct of photosynthesis), and releases electrons which are taken up by photosystem II.
2) The electron transport chain is in the last step of cellular respiration, oxidative phosphorylation. NADH donates the electrons, which are used to pump H+ against the gradient into the intermembrane space of the mitrochondria. These H+ flow back across the membrane through ATP synthase to generate ATP.
Answer:
#Genetic variations
#If a trait is advantageous and helps the individual survive and reproduce, the genetic variation is more likely to be passed to the next generation
Explanation:
#That is due to natural selection.
The factor that is responsible for the phenomenon of the blood group B being almost absent in Native Americans whose ancestors arrived in very small numbers about 10,000 years ago would be called the 'founder effect'.
The answer is Climate. Climate limits the species of plants that can grow in an area. Plants can live within only a certain range of temperatures, and they are affected by the length of the growing season. The Climate factors determine which plants can grow in a certain area. The weather conditions are <span>temperature, precipitation, humidity, winds.</span>
