The correct answer is option A- HIV virus.
HIV virus is an example of enveloped virus, that has the ability to infect a host cell by attaching itself to it and fusing with the host cell. Once infected, the virus leaves the host cell and moves to another cells to infect them. The HIV virus contains glycoprotein spikes to attach to the host cell.
<span>The level of carbon dioxide in the atmosphere is maintained by several processes, including photosynthesis, respiration and combustion. Green plants remove carbondioxide from the atmosphere by photosynthesis. Living organisms - including allplants and animals - release energy from their food using respiration.</span>
Hello, to answer your question fully
They don't point there because all a compass is a magnet seeker that is attracted to the south pole like a postitive end on a battery is attracted to the negative charge
Signed by, Virtuoso Sargedog
Explanation:
in a synapse, neurotransmitters are stored in vesicles located in the axon terminal of the presynaptic neuron
Sunlight = Food for plants and vegetables that we eat to get energy and to stay alive. To produce flowers, and other plants to give pollen to animals for food and water.
Ex. Humming birds, bees, butterfly's and many more.