The advantages of artificial blood are as follows -
a) It is easy to produce large amount of artificial blood and thus it helps in reducing the blood shortages.
b) The chances of spreading a disease through blood are also reduced as the blood is made in a safe and secure place. Also the full history of artificial blood is known to the doctors.
Answer:
Purple, spherical-shaped organisms arranged in chain like formations.
Explanation:
Bacteria are the microscopic organisms and included in the prokaryotes as they do not have nucleus. Two main types of bacteria are gram positive bacteria and gram negative bacteria.
The gram positive bacteria has thick cell wall peptidoglycan cell layer and can uptake the crystal voilet stain. These bacteria seems purple under the microscope due to the uptake of stain. The bacteria Streptococcus pyogenes are spherical in shape and occurs in the cluster of chain.
Thus, the correct answer is option (d).
Answer:
The regulation of an internal environment is called homeostasis.
Explanation:
Homeostasis is when you can maintain a stable inner environment.
A star is a fusion reactor. Under enormous pressure, resulting from gravity, light nuclei of gases such as hydrogen merge to form helium, and since this process releases energy, the start begins to radiate the excess energy. Later on, helium fusion produces heavier elements, and so on.
