Answer:
D.electrical signals and chemical neurotransmitters
Explanation:
chemical transmitters are the language that neurons use to connect eachother.
He should raise his hand and wait for a teacher
Answer:
ergonomists or human factors engineers
Explanation:
Human factors ergonomists or engineers do not have a specific undergraduate degree, but it is important that these professionals have a satisfactory knowledge of anatomy, physiology, anthropometry, biomechanics, psychology, occupational disease, environmental risks, among other subjects. This is because the main function of these professionals is to analyze how people tend to use a product and its design, so that its use will be something natural.
More simply, we can say that these professionals apply their knowledge to improve workplace movements, work environments and training programs.
Answer:
DNA is a long polymer with a phosphate backbone and deoxyriboses. Adenine, guanine, cytosine, and thymine are the four nitrogenous bases. The backbone of RNA is made up of ribose and phosphate. Adenine, guanine, cytosine, and uracil are four nitrogenous bases.
So DNA is two stranded, RNA is single stranded.
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Explanation: