<span>nerve cells need b 12 for proper functioning</span>
The answer of this question is genes
Answer:
People with one CF allele have an advantage of being less likely to contract typhoid. This helped them survived and pass their trait to their offspring.
Explanation:
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First the cell grows. Then, DNA replication occurs. After the DNA replication, the cell then prepares for mitosis. After mitosis, cell division occurs.
The difference between analog and digital signals is that an analog signal is a continuous electrical message while digital is a series of values that represent information. Analog is conveyed by electrical current variations. Digital signals are relayed as a series of values that a device can read, such as a digital television.