Paramedic National Registry Review questions with correct answers

Control center of the cell is the CORRECT ANSWER nucleus. chromosomes are made up of what and found where? CORRECT ANSWER chromosomes are made of DNA and protein, found in the nucleus. ribosomes are known for what and found where? CORRECT ANSWER in the rough e.r. and are where protein synthesis takes place using RNA. what is mRNA? CORRECT ANSWER A single strand copy of DNA that leaves the nucleus and is sent to the ribosomes. What is mitosis? CORRECT ANSWER mitosis is where chromosomes split to become pairs and create an identical cell in cell division. what is meiosis? CORRECT ANSWER a type of sexual cell division that results in four daughter cells each with half the number of chromosomes of the parent cell. what is osmosis? CORRECT ANSWER movement of solvent from great concentration to low concentration. what is the difference between hypo and hyper tonic solutions? CORRECT ANSWER hypotonic solutions have low salt, so it forces water into cells and cause them to swell. hypertonic have high salt so it causes them to shrivel. D50 is what kind of solution? C