Answer:
Microorganisms can be found both in the external environment (ecosystem) and the internal environment (microflora) of higher organisms.
Explanation:
Microorganisms (microbes) are microscopic forms of life that include bacteria, protists, fungi and animal species, these organisms can se differentiated by using laboratory techniques such as the Polymerase Chain Reaction (PCR) or by microscopes. These organisms are both beneficial and both beneficial and pathogenic for humans. For example, the microflora may be useful in digesting nutrients contained in the food. On the other hand, <em>Plasmodium falciparum</em> is a pathogen microorganism that is found in the digestive system of mosquitoes and cause malaria in humans.
Explanation:
If the concentration of molecules outside the cell is very high relative to the internal cell concentration, the rate of diffusion will also be high. If the internal and external concentrations are similar (low concentration gradient) the rate of diffusion will be low.
That would be B. From energy in photons.
Photons(from sunlight) give energy to electrons and “excite” them(sending them to a higher energy level). Electrons can then release this energy and excite other electrons in other chlorophyll molecules.
The correct answer is this one: "C) Nnew = Nold + 2." A student is studying a process in which a diploid cell becomes haploid. The CORRECT mathematical model for the process if Nnew is the number of chromosomes in the haploid cell and Nold is the number of chromosomes in the diploid cell is this: <span>new = Nold + 2
</span>
Here are the choices.
<span>A)
Nnew = 2·Nold
B)
Nnew =
Nold
2
C)
Nnew = Nold + 2
D)
Nnew = Nold × 2</span>
Answer:
Earth's atmosphere is roughly 78 percent nitrogen and 21 percent oxygen, with trace amounts of water, argon, carbon dioxide and other gases. Nowhere else in the solar system is there an atmosphere loaded with free oxygen, which is vital to one of the other unique features of Earth: life