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:
Tides are caused by the location of the earth, sun and moon.
Mitoses and Asexual Reproduction by cell division,one cell divides to become two
Kelp can be described as <span>fast growing algae. The correct option among all the options that are given in the question is the fourth option or option "d". It is a unique kind of an algae that has the capability to grow 2 feet in a day under right conditions. I hope that this is the answer that has come to your great help.</span>
I think they discovered chromosomes in DNA so that backed up his Idea
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