The nucleotide sequence would have to have 900 nucleotides in order to code for a protein of 300 amino acids. When translating RNA into proteins, RNA is read 3 bases at a time. Each group of 3 bases is a codon, and each codon codes for an amino acid. When read, the proper amino acid is added to a growing chain of amino acids, which will be folded to become a protein.
Therefore, 300 amino acids * 3 nucleotides per amino acid = 900 nucleotides.
A. Decreasing amount of energy needed to start a reaction.
Ductus Arteriosus is a blood vessel normally present in fetuses during development. The blood vessel is designed to bypass the pulmonary artery and brings blood to the Descending Aorta, as the fetus cannot breath through the lung (being as they are fluid filled). This is normally not a problem because oxygenated blood comes from the mother's blood supply.
Patent Ductus Arteriosus, is what happens when that vessel does not close. While not as dangerous as other congenital defects. However, because there is still a bypass, blood that normally need to be oxygenated by going through the pulmonary arteries to the lungs, can be diverted and placed into the blood stream without vital oxygen. This condition may eventually lead to CHF (congestive Heart Failure) and Pulmonary Hypertension if not treated.
Chromosomes makes up genes while genes and chromosomes make up the entirety of DNA. A living organism inherits 46 chromosomes, 23 from each parent. These chromosomes are not genes but they form genes, which are just the traits of an individual that are unique. DNA is the entire make up of an organism that controls everything about a person such as likelihood to have disease or their physical appearance.
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<span>Colostrum
is replaced by transitional milk in about 2 to 4 days after birth. This milk
contains high levels of lactose, fat, vitamins and more calories than the
colostrum. Mature milk replaces the transitional milk and begins to appear near
the end of the second week after childbirth. Mature milk contains more water than
transitional milk.</span>
