Photosynthesis and cellular respiration differ in which of the following ways?
O The main source of chemical energy in cellular respiration is water.
The energy conversion in cellular respiration takes place in the chloroplast.
O The main source of energy in cellular respiration is glucose.
The final product of cellular respiration is electromagnetic radiation.

the main source of energy in cellular respiration is glucose.

Explanation:

photosynthesis creates glucose out of co2 h2o and sunlight. while cellular respiration is almost exactly the opposite.

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.

the scientific method.