A substrate fits into the active site of an enzyme like a lock and key. The substrate has a certain shape that matches or is very similar to the shape of the enzyme so it's the perfect fit, like "a lock and key."
Blood overall cannot circulate and the oxygen does not get into your brain resulting in your death
Answer: photophosphorylation is the process where ATP or there is an addition of phosphate group in presence of sunlight
The earth's tilt of 23.5 degrees to it's axis as it revolves around the sun causes seasons; summer, spring, winter and autumn. This is due to the orientation of the earth with respect to the sun that cause variations in how to sun rays 'strike' the earth. Consequently, there are variations in temperatures across the earth, over its complete revolution, causing seasons my brotha, Hope this helps!
