Answer:
Microbes and nutrients are put into the fermenter and air is bubbled through so that the microbes can respire aerobically
Explanation:
Paddle stirrers ensure that the microbes, nutrients and oxygen are well mixed and distributes the heat evenly.
<u>The ethical issues associated with the medical use of DNA technology:</u>
- Patient identification is one of the major ethical issues.
- There should be a legal signed consent by the person who is being used for the test.
- Also, DNA technology or genetic tests may expose the person to any life-threatening illness.
- It may expose some risks of diseases in the future which may lead to anxiety and depression in the person.
- Genetic tests may allow diagnosis of eye color or other traits in the embryo.
Number one is D
Number 2 is b im pretty sure
Cholesterol makes up cell membranes and is used to create hormones.
Cell membranes are the outer covering of the cell that protect it from the outer environment. A cell membrane is a bilayer of lipid, composed of protein and cholesterol as well. The cholesterol is essential to maintain the proper integrity of the cell membrane.
Hormones are the chemical messengers that are released at one site and they perform their function at another location of the body. Hormones can be made up of several macromolecules like polypeptides, amine acids or cholesterol. The example of hormones made up of cholesterol are: glucocorticoids, mineralocorticoids, and sex hormones.
To know more about hormones, here
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It produces lymphocytes, is important for T cell maturation (T for thymus-derived). The spleen is an organ in the upper left abdomen, which filters blood, disposes of worn-out red blood cells, and provides a 'reserve supply' of blood. It contains both red tissue, and white lymphatic tissue. Hope that helped!
