The codons each code for something but all together they are the instructions for life. If the codons were the words in the manual, they would make up sentences which are the instructions for how the organism should work and be built. Let me know if you need more information.
The four bases of DNA are Guanine, Adenine, Cytosine and Thymine. Adenine and Thymine bond, as do Cytosine and Guanine.
Answer:
The Cell Membrane.
Explanation:
To enter or leave a cell, the substance must pass through the cell membrane. (plasma membrane)
Answer :
the air
Explanation:
The carbon dioxide required for photosynthesis comes from the air. It enters leaves through the stomata . Water enters the plant through the roots, and is transported to the leaves in the xylem .
