SCI 106 - Cell Structure Questions

SCI 106 - Cell Structure Questions - 3 What happens to RNA...

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March 12 th , 2008 General Biology PowerPoint Questions Cell Structure 1. List the major differences between Prokaryotes and Eukaryotes a. Prokaryotes are unicellular organisms, while Eukaryotes are multi-cellular organisms. b. Prokaryotes are also small, while Eukaryotes are large. c. Prokaryotes contain circular DNA in one chromosome, which is located in the nuclear area with no proper nucleus, while Eukaryotes have DNA chromosomes in a proper membrane bound nucleus. 2. Why do some Bacteria have a sticky capsule? a. Some bacteria contain a sticky capsule to adhere to substances inside the host’s cell, a food source, or to another cell. It also helps the cell from drying out.
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Unformatted text preview: 3. What happens to RNA after it is made in the nucleus? a. Once RNA is made in the nucleus, it goes through a nuclear pore into the cytoplasm where it associates with ribosomes and the RNA is read through a process called Translation, and is then formed into a protein. 4. Why are cilia important in the respiratory system? a. Cilia is important in the respiratory system because it acts like tiny brooms that sweep out the bad objects caught from mucus such as debris and dust. Cilia also p rotect the nasal passageways and other parts of the respiratory tract....
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