<span> The answer is a misense mutation. In this case, the substitution of the tryosine amino acid with cysteine in the same position in the sequence does not affect the polypeptide becasue both tryosine and cysteine are polar animo acids. If the substitution </span><span><span> in the polypeptide chain </span>was by amino acids with different properties, it would affect the folding of the protein and change its conformation hence also affect its function. </span>
Negative: Blood Glucose. The pancreas is releasing more and more insulin in order to get glucose levels in the blood back to a set point.
Positive: Estrogen levels. The anterior pituitary releases estrogen at different levels and the levels fluctuate.
A galaxy is a group of stars, interstellar gas, dust, etc.
There are different types of galaxies. They are all categorized by their shape:
Spiral: a spiral galaxy has a disc in the centre and curved arms that come out of it.
Irregular: it does not have a specific shape. It is just a mass of things.
Elliptical: an elliptical galaxy looks basically like a disc in the universe.
I hope it helps. I tried to explain it as easy and as simple as possible!
The answer to the question is B
The percentage of the F2 generation should be 50% black fur. Punnet squares are a great way to visually see this percentage.
