<u>Answer</u>: Cell
<u>Explanation</u>:
The simplest organization level in all the living organisms including humans is a cell.
All human beings are made up of a cell which forms the lowest level of the organization after which the hierarachy of the organization is as follows :
cells----> tissues----->organs----> organ systems
Therefore, the simplest level of organization in human beings is a cell.
Answer:
D
Explanation:
Natural selection and artificial selection
Answer:
A molecule of DNA is made up of two strands which are joined by the hydrogen bonds present in the nucleotide bases. The sugar and phosphate make up the backbone of the DNA. The sequence of the nucleotide bases determines the traits that an organism will carry. Genes are hereditary molecules which are made up of sections of DNA. Together, they make up the entire genome for the organism. Each gene is located on a specific place inside the chromosomes. The chromosomes are the element of reproduction as they undergo the process of meiosis and duplicate themselves.
Answer:
At the inner mitochondrial membrane, a high energy electron is passed along an electron transport chain. The energy released pumps hydrogen out of the matrix space. The gradient created by this drives hydrogen back through the membrane, through ATP synthase.
Explanation:
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