Answer is: b<span>ottleneck effect.
</span>Bottleneck<span> effect is a intense reduction in the size of a </span>population due to environmental events. Tornado<span> reduce the variation in the </span>gene pool of a population, so genetic diversity remains lower and population r<span>educe its ability to adapt.</span>
The answer is B, DNA to RNA to protein
One major difference between viruses and other cells is that viral particles have nucleic acid located within a capsid.
<h3>Structure of a virus</h3>
Viruses are made up essentially of ribonucleic or deoxyribonucleic acids enclosed in a proteinous shell known as capsids.
This is unlike other cells in which their nucleic acids either lie freely within the cytoplasm of their cells or are enclosed in a double membrane structure known as the nucleus.
Viruses are essentially non-living when outside a living host.
More on viruses can be found here: brainly.com/question/2401502
Cells are divided into two main classes, initially defined by whether they contain a nucleus. Prokaryotic cells (bacteria) lack a nuclear envelope; eukaryotic cells have a nucleus in which the genetic material is separated from the cytoplasm. Prokaryotic cells are generally smaller and simpler than eukaryotic cells; in addition to the absence of a nucleus, their genomes are less complex and they do not contain cytoplasmic organelles or a cytoskeleton (Table 1.1). In spite of these differences, the same basic molecular mechanisms govern the lives of both prokaryotes and eukaryotes, indicating that all present-day cells are descended from a single primordial ancestor.
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Folic acid synthesis in bacteria.
