() Portage learning/Geneva College
1. True/False.A virus is considered a microorganism. ANS False l l l l l l l ll
2. True or False ANS The smallest biological unit of life is the molecule. ANS False
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3. At a generalized level,all cells are comprised of what? ANS Macromolecules
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Astudentmayalsoanswer ANS Proteins,Lipids,NucleicacidsandPolysaccharidesbut they must answ
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er with all four to be fully correct.
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4. Proteins are formed from various combinations of l l l l l l l ofwhichthere are
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known forms. ANS 1. Amino acids l l ll l l
2.20 l
5. How many amino acids are classified as being essential amino acids? ANS 9
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6. The plasma membrane (select all that are true) ANS
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A. Restricts movement of materials in and out of the cell l l l l l l l l l
B. Is often a triple layer comprised of lipids
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C. Prevents essential nutrients from escaping l l l l
D. Contains hydrophobic tails pointing outward ANS A;C l l l l l ll
7. Complete the following DNA strand,and indicate how many bonds are formed for each co
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mplementary pair ANS l l l
3'GGTCATCG 5' l l
5' CC AGC3’3'GGTCATCG 5'
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5'CCAGTAGC3' l l
There are 2 bonds formed between A andT, and 3 bonds between G and C.
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8. True of FalseThe genetic material within a prokaryotic cell is contained within a membrane-
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