Download Score: ______/18 Biology – Exploring Life - Ms. Faulkner

Name: ___________________________________________ Period: ____ Date: ____________ Score: _______/18
Biology – Exploring Life – Online Activities for Organic Compounds (18 pts)
Complete each activity online and then answer the questions on this paper.
Online Activity 5.1 – Examine carbon-based molecules
Page 1
1) Describe the main difference between organic and inorganic molecules.
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Page 2
2) Describe the role of water in building polymers.
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Online Activity 5.2 – Analyze the role of glucose in life processes
3) What happens when the monkey has more glucose available than is needed for life’s processes? What process
occurs?
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4) What happens when the monkey needs the glucose for energy? What process occurs?
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Online Activity 5.3 – Explore some properties of lipids
Page 1
5) What happens when you try to drag the oil into the water? Explain why this would happen.
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Page 2
6) Why are unsaturated fats liquid at room temperature?
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7) Why are saturated fats solid at room temperature?
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Page 3
8) What is the main function of the steroid cholesterol?
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9) Compare and contrast the structures of Estradiol (a form of estrogen) and Testosterone.
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Online Activity 5.4 – Build amino acid chains
10) What process is used to build amino acid chains? _____________________________________________________
11) Each 3 letter abbreviation represents a different amino acid. There are 20 different amino acids that join in different
ways to make all of the proteins our body needs. What makes one amino acid different from another?
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12) Oxytocin and ADH are two proteins with a similar structure but very different functions. What do the similar
structures, but different functions, of oxytocin and ADH illustrate about the importance of the amino acid sequence in
proteins?
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Online Activity 11.2 – Pair up nucleotide bases
Page 1
13) What are the three components of a DNA nucleotide?
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14) What are the names of the 4 possible nitrogen-containing bases?
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15) What type of bond holds nucleotides together between the sugar of one nucleotide and the phosphate of another
nucleotide? _____________________________________
16) What type of bond holds together the nucleotide bases of opposite strands? ____________________________
17) What is the unique pairing pattern between nucleotide bases?
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18) The DNA molecule has a unique structure called the _________________________.