Answer:
B) missense mutation
Explanation:
A type of base substitution that results in the replacement of one amino acid by another is called missense mutation. Missense mutations affect the mutated proteins in several ways. It may alter the amino acid composition of the active site of enzymes and render the enzymes inactive.
The wild type polypeptide chain has the following sequence of amino acids: Met-Ala-Gln-Arg-Glu-Leu. The mutated polypeptide has glycine in place of arginine. The rest of the amino acids are the same in wild type and mutated protein. This means that the mutation changed the genetic code of arginine into the genetic code of glycine resulting in the incorporation of glycine in position 4. This is an example of a missense mutation.
Answer:
1. Iron (ferrous)
2. Zinc
Explanation:
Iron is a major component of hemoglobin which is responsible for the transportation of oxygen from lungs to all cells of the body, while excess iron has also negative effects on our body such as it causes liver disease (cirrhosis, cancer), heart attack, diabetes and sometimes it causes death. Zinc also plays a vital role in our body because it is a main component of all cells and also provide protection against microbes. It also needed for the production of DNA and protein. Zinc in excess amount causes copper deficiency, Nausea Stomach Pain and Diarrhea.
I think it would be that anatomically gorillas are more like humans.<span />
The mutation in the species occurred as a result of natural selection. As the larger sized beaks helped certain birds of the species to open clams and other sources of food, that gave these individuals an advantage at survival, meaning better chances of reproducing and passing on their genes and their characteristic large beak. The larger beak also helped the birds to defend themselves from predators, giving them better chances at survival, and passing on their genes. Eventually, generation after generation the weaker members of the species (birds with regular beaks) died off, as they had less chances of survival, therefore less birds to pass on their genes/characteristics.
