Duchenne's muscular dystrophy is an X-linked inherited disease that caused progressive loss of muscle cells. When the muscle cells die, it will be replaced by fat or connective tissue. Typical microscopic changes that can be found microscopically would be the decreased number of muscle cells and the increased number of fat/connective tissue
Answer:
d. Lysine
Explanation:
Lysine ,
Since it can not be synthesized by human body so it is essential in humans and must be obtained from diet . Catabolism of lysine takes place through one of several pathways , most common is saccharopine pathway which takes place in liver . The product formed is acetyl-CoA which is converted to pyruvate through ketogenic pathway .
The ductus arteriousus is a blood vessel that connects the pulmonary artery to the descending aorta. Otherwise known as the ductus Botalli, this structure pumps blood into the fetus' non-functioning lungs from the right ventricle. This blood vessel will close at birth and becomes the ligamentum arteriousum.
Answer:
DNA is made up of molecules called nucleotides. Each nucleotide contains a phosphate group, a sugar group and a nitrogen base. The four types of nitrogen bases are adenine (A), thymine (T), guanine (G) and cytosine (C). The order of these bases is what determines DNA's instructions, or genetic code.
Explanation:
