Aristotle based his classification system off of observations of animals, and used physical characteristics to divide animals into two groups
Answer:
The 3′ carbon of the DNA chain forms a covalent linkage with the phosphate group on the 5′ end of the dNTP. ... The system detects mutations because they produce an irregularity in the DNA molecule.
Explanation:
Answer:
Tay-Sachs disease results from brain lacking a specific type of lipid-digesting enzyme.
Explanation:
Tay-Sachs disease occurs when relatively large amounts of gangliosides are stored in the brain. It is the oldest lipid storage disease and is a hereditary disorder caused by deficiency of a lipid-digesting enzyme known as "hexosaminidase A", which cleaves a specific bond in the gangliosides.
Its deficiency cause accumulation of gangliosides in the lysosomes of BRAIN CELLS thereby causing degeneration of the nervous system.