G always pairs with C...So, if there is 30% G, then there's 30% C...which is 60%...that leaves 40% A+T - and you have to split this up too - so 20% Thymine (T) and 20% Adenine (A).
Answer:
The sugar and phosphate group make up the backbone of the DNA double helix, while the bases are located in the middle.
Explanation:
More abilities and can adapt to it's area.
Bonds between the strands are relatively weak hydrogen bonds, whereas bonds within the strands are relatively strong covalent bonds.
I think the correct answer from the choices listed above is the first option. The sequence that is arranged from the simplest one to the most complex would be:
<span>squamous cell → epithelial tissue → skin → integumentary system → human
</span>
The sequence should start with a single cell, group of cells which makes a tissue, group of tissue, system and the whole body.
