Answer:
<u>A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together.</u>
Explanation:
To understand the phenomenon of biological cell
To understand which principal occurs
To know the whose are reactant and what makes product
Hope for brainliest mark
The answer is c which is Chlorophyll.
Sometimes it can be very difficult and sometimes it can be very easy.
