They breathe through unseen holes in their heads. You may only see them with a microscope.
Answer:
Sugars and phosphates
Explanation:
DNA is deoxyribonucleic acid.
The backbone is based on a repeated pattern of a sugar group (deoxyribose) and a phosphate group.
The image below shows one straightened-out strand of DNA with a backbone of alternating sugars and phosphates.
A is wrong. There is no ribose in DNA.
B is wrong. The nucleic acids A, C, G, and T join one strand of DNA to the other.
C is wrong. There is no RNA in DNA.
<span>Bonding Properties i think </span>
Blood test will be great to do and just know what infections you doing before you give the blood test.
The letters that are cappitale and lower case go in order so it would be like TT then Tt to Tt then tt