the skin covering the human body consists of 2 layers.
Answer:
The light-dependent reactions convert light energy into chemical energy, producing ATP and NADPH. 5. The light-dependent reactions can be summarized as follows: 12 H2O + 12 NADP+ + 18 ADP + 18 Pi + light and chlorophyll yields 6 O2 + 12 NADPH + 18 ATP.
they combine the DNA of two different organims.
Explanation:
they join together genetic material especially the DNA from different biological species
either heterozygous or hybrid