You just need answer the questions 7-10 Click and Learn Virus Extension Activity
ID: 210029 • Letter: Y
Question
You just need answer the questions 7-10Click and Learn Virus Extension Activity-Size, Scale, and Proportion: How big is a virus anywayi Instructions: Click on the "Show Relative Sizes of the Viruses" tab at the bottom of the interactive home page. Answer the questions below in the spaces provid ed. (You will need a calculator for . items.) 1.Using the white scale bar provided, approximately how long (tall) is TMV 2. What is the approximate diameter of HIV? 3. What is the approximate diameter of Zika virus?-hat 4. So, how big is a nanometer? Study the sample problem provided and then answer questions 5-10 showing your work in the space provided for each. SAMPLE PROBLEM: An average small paperclip measures 3.0 cm in length. Calculate the length of the paperclip in millimeters, micrometers, and nanometers. a. Millimeters (mm)? 30 mm Since there are 10 mm in a centimeter, the calculation is completed in the following way: 3.0 cm x 10mm/1cm = 30/1-30 mm b. Micrometers (um)? 30,000-m Since there are 1000m in a millimeter, the calculation is completed in the following way: 30mm x 1000m/1mm-30.000-um c. Nanometers (nm)? 30,000,000 nm Since there are 1000 nm in a micrometer (um), the calculation is completed in the following way: 30,000 um x 1000 nm/lum = 30,000,000,nm So, a small paperclip measures 3.0 cm in length, or you can say it measures 30,000,000 nm in lengthl 5.A single grain of salt measures 0.5 mm in width. a. What is the width in micrometers (um)? (Show your work.) In nanometers (nm)? 0(Show your work.) b.
Explanation / Answer
Length of a paperclip = 30 mm
Length of TMV = 300 nm
Length of a human skin cell = 30 um
7.
Length of a human skin cell = 30 um
Length of a paperclip = 30 mm = 30000 um
Number of human cells that can fit along the length of a paperclip = 30000/30
= 1000
8.
Length of TMV = 300 nm
Length of a paperclip = 30 mm = 30000 um = 30000000 nm
Number of TMV that can fit along the length of a paperclip = 30000000/30
= 1000000
9.
Length of TMV = 300 nm
Length of a human skin cell = 30 um = 30000 nm
Number of TMV that can fit along the length of a human cell = 30000/30
= 1000
10.
A virus is a very small infectious particle. The size of a virus is approximately 1000 times lesser than an average human cell. A virus cell can attack host cells by binding to specific receptors and get internalized. They either enter lysogenic or lytic cycle depending upon the conditions. A virus is an obligate parasite. it sequesters the host cell machinery for its genome replication and proteins synthesis. Once enough virion particles are produced, the host cell undergoes lysis to release ~1000 virion particles.
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