How does light intensity and the rate of photosynthesis relate to the position of the sun, both during the day and during the year?

A higher light intensity signifies more packets of light known as photons coming in contact with leaves. As one goes up from low light intensity to higher light intensity, there will be an upsurge in the rate of photosynthesis due to the availability of more light, which drives the process of photosynthesis.  

The rate of photosynthesis depends upon the intensity of light as when sunlight is restricted, the process of photosynthesis also becomes confined. This shows that in winter when there are fewer hours of sunlight and at night when there is no sunlight at all, the process of photosynthesis takes place less.  

hormones in blood stream

image: dtc.ucsf.edu

endocrine glands secrete hormones into the blood stream near them; the hormones then travel in our bloodstream until it reaches its destination, called a target cell, in distance parts of the body. in the target tissue, hormones lock onto the target’s plasma membrane, called the receptor site.

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