The answer is - Never.
40 degrees of latitude, be it on the southern or northern part of the Earth, never gets direct sunlight throughout the year. This is due to the fact that the Earth's inclination is not that big so that the sunlight can fall directly on this latitude, in fact, the inclination of the Earth allows the sunlight to fall directly on the surface only to the lines of 23.5 degrees north and south of the Equator.
A fully formed infectious virus particle that is able to establish an infection in a host cell is often called VIRION. It is a fundamental full component of a virus.
<h3>What is a virion?</h3>
A virion can be defined as an entire virus composed of a surface (protein shell) which is called capsid, and the inside nucleic acid.
The core nucleic acid of a virion can be either DNA or RNA (both single and double-strand).
A virion may infect a particular host cell to produce disease.
Learn more about virions here:
brainly.com/question/5994528
All the options are incorrect. The correct answer will be THE NUMBER OF HYDROGEN IONS MOVING DOWN THE PROTEIN CHANNEL.
A proton pump is found in the inner membrane of mitochondria which is also known as hydrogen ion pump. The hydrogen ion is pumped across the inner mitochondrial membrane depending on the proton gradient.
A cell has cytoplasm, a cell wall, naked DNA and ribosomes. Based on this information, this could be <span>A. A cell from a pine tree.</span>
