Answer: Cells have different shapes because they do different things. Each cell type has its own role to play in helping our bodies to work properly. Their shapes help them carry out these roles effectively.
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Protein<span> synthesis </span>occurs<span> in cellular structures called ribosomes , found out-side the nucleus. The process by which genetic information is transferred from the nucleus to the ribosomes is called</span>transcription<span>. During </span>transcription<span>, a strand of ribonucleic acid (RNA) is synthesized.</span>
Answer: in 1925, people were sick and planes couldn’t land in nome, Alaska. Teams of dogs delivered the medicine
Explanation: I got it right on a quiz
Hello. This question is incomplete. The full question is:
John Allen is scheduled for a diagnosis on tooth #20. This is Mr. Allen's first time to the endodontist, and his subjective comments describe pain when chewing on the affected side and a constant dull pain lasting for approximately a week.
How do you think Mr. Allan knew ro come to a endodentist for dental treatment?
Answer:
Mr. Allan learned that he needed treatment with an endodentist through consultation with a general dentist.
Explanation:
It is likely that when Mr. Allan felt discomfort in the tooth, he made an appointment with the general dentist. Through the analysis of Mr. Allan's case, the general dentist realized that Mr. Allan had a very specific problem and that he should be treated with a professional, someone who could deal with the problem directly and more effectively. For this reason, Mr. Allan's dentist suggested that he look for an endodentist who could help him, since Mr. Allan was having problems with dental pulp.
The right answer is The first image (the left one).
An atrium is an upper cavity of the heart, delimited by a thin wall, receiving blood from the bloodstream. There are two in the human heart, they allow the passage of blood from the veins (cellars and lungs) to the ventricles (right and left).
In its upper part (near the entrance of the superior vena cava) is located the sinus node, microscopic structure from which the electrical impulse which ensures the contraction of the heart (especially atrium) ...
The depolarization of the action potential is conducted step by step in the cells of the right and left atria, accompanied by a contraction of the muscle fibers.
