Answer:
The function of DNA is tied to its structure. ... When two strands of DNA come together, base pairs form between the nucleotides of each strand. Nitrogenous bases pair together in the following way: A-T and C-G. Bases interact through weak bonds, called hydrogen bonds, that can be easily broken and reformed.
Explanation:
<span>The answer is B. Mesoderm.
During gastrulation three layers form. Ectoderm, mesoderm, and endoderm. Mesoderm is the middle layer and from that layer a multitude of tissues and organs develop. The mesoderm develops into connective tissues like cartlage, bone, blood, and blood vessels. The mesoderm can also develop into muscle types like cardiac, skeletal, and smooth.</span>
I think it’s b because I had this on a test before so just try b❤️
You need to read the introduction like this
1) closed circulation
2) The spleen can easily be damaged if someone suffers a sever injury to the stomach. When the spleen is damaged, it can cause pain in the abdomen, dizziness, and pain in the left shoulder.