Protein is required for the growth and maintenance of tissues.
Enzymes are proteins that allow chemical reactions to take place within your body.
Amino acid chains of various lengths form protein and peptides which make up several of your body’s hormones and transmit information between your cells, tissues and organs.
A class is proteins known as fibrous proteins provide various parts of your body with structure, strength and elasticity.
Proteins act as a buffer system, helping your body maintain proper pH values of the blood and other bodily fluids.
Proteins in your blood maintain the fluid balance between your blood and the surrounding tissues.
Proteins form antibodies to protect your body from foreign invaders, such as disease-causing bacteria and viruses.
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Answer:
In heart valve disease, one or more of the valves in your heart doesn't work properly. Your heart has four valves that keep blood flowing in the correct direction. In some cases, one or more of the valves don't open or close properly. This can cause the blood flow through your heart to your body to be disrupted.
Your question is rather unclear but from what I can tell either there were not an even amount of Petri dishes or some of them were left open while others were not.
The best way may be is going over the notes on the chapter you were doing. Or going over the chapter once or twice.
