Answer:
D
Explanation:
A group or member of a species would overtime become differentiated from the original species that originate from if they occupy a different niche that has a different and unique environmental conditions. In an attempt to adopt to the condition of the new environment, they would develop specific features. For example, the honeycreepers having a bill that are well adapted to eat certain foods.
Therefore, the most likely conclusion the scientist would make is D.
Answer and explanation;
-Aba is a suitable replacement because Aba and Cys have approximately the same sized side chain and are similarly hydrophobic.
-However, Aba cannot form disulfide bonds so it will not be a suitable replacement if these are required.
-Alpha-Aminobutyric acid is biosynthesized by transaminating oxobutyrate, a metabolite in isoleucine biosynthesis.
C. Glucose
Because of the word equation
When a muscle receives nerve signal contracts and pulls on a tendon.
The younger rock would be black and have like no stains and it would not be as dirty as the older rock hope this helps!!1