Answer:
Option A is absolutely correct
Explanation:
The genotype of an organism is its complete set of genetic material. However, the term is often used to refer to a single gene or set of genes, such as the genotype for eye color. The genes partly determine the observable characteristics of an organism, such as hair color, height, etc.
In a broad sense, the term "genotype" refers to the genetic makeup of an organism; in other words, it describes an organism's complete set of genes. In a more narrow sense, the term can be used to refer to the alleles, or variant forms of a gene, that are carried by an organism.
- is a protein in metabolic reaction
- lowers activation energy
- is not changed during reaction
The effect of a neurotransmitter is based on the properties of the receptor more than the neurotransmitter.
Answer:
The arteries going to the body are rich in oxygen
