BSC 1020: The Molecules Of Life
BSC 1020 – Homework Unit B
The Molecules of Life
This homework is worth 25 points of the 900 points available in the course.
Please use the book, PPT lecture handouts, and internet to answer the following six questions:
Question 1 (8 points) Mr. Tony, a biology teacher, gives his student Ziad four samples and tells him they are lysine (an amino acid), lactose (a disaccharide), insulin (a protein hormone), and RNA. The samples are in test tubes marked 1, 2, 3, and 4, but Ziad is not told which compound is in which tube. He is asked to identify the contents of each tube.
a. In his first test, Ziad tries to hydrolyze a portion of the contents of each tube.
Hydrolysis occurs in all tubes except tube 3.
b. In the next test, …show more content…
Before it was capped, the well 5000 feet (1500 meters) below the sea surface leaked at least 200 million gallons of oil. (Some estimates are far larger.) One tactic BP used was to spray hundreds of thousands of gallons of DISPERSANTS into the gushing clouds of oil and onto surface of the ocean. Dispersants are a mixture of organic solvents and detergents which enable the oil to mix into the water. While this largely succeeded in getting the oil “out of sight, out of mind” by diluting it into a much larger volume of water below the surface, and helped increase of speed of chemical and bacterial breakdown of the oil somewhat, much of the oil is still there, just spread out more, and the dispersants themselves are also quite toxic. The full environmental damage of this spill and its “cleanup” will take years to …show more content…
Some argue that nanobes cannot be living because they are so small.
2. Another reason nanobes are thought to be non living is because they lack evidence of having DNA.
Question 4 (5 points) In addition to being vital to life itself, enzymes are utilized by humans in various ways, such as dietary supplements and consumer goods. Investigate the use of enzymes in the products below. For complete credit, each answer should consist of two complete sentences.
• Beano
Beano is a product that attempts to reduce gas in the digestive system. It reduces bloating and stomach discomfort as well. It’s made up of digestive enzymes that break down carbohydrates as well as complex sugars.
• Mannastar
Mannastar can be found in most soap, cleaning products and detergents. Its purpose is to break down stains and any residue.
• Stonewashed Jeans
The process of stonewashing jeans gives them a stretchy texture and a worn out look. The cellulose breaks down some of the molecular bonds however it does no damage to the interior of the cotton fibers.
• Lactaid
Lactaid is a dietary supplement that consists of the lactase enzyme. This enzyme helps break down the sugar found in dairy products.
•
The Molecules of Life
This homework is worth 25 points of the 900 points available in the course.
Please use the book, PPT lecture handouts, and internet to answer the following six questions:
Question 1 (8 points) Mr. Tony, a biology teacher, gives his student Ziad four samples and tells him they are lysine (an amino acid), lactose (a disaccharide), insulin (a protein hormone), and RNA. The samples are in test tubes marked 1, 2, 3, and 4, but Ziad is not told which compound is in which tube. He is asked to identify the contents of each tube.
a. In his first test, Ziad tries to hydrolyze a portion of the contents of each tube.
Hydrolysis occurs in all tubes except tube 3.
b. In the next test, …show more content…
Before it was capped, the well 5000 feet (1500 meters) below the sea surface leaked at least 200 million gallons of oil. (Some estimates are far larger.) One tactic BP used was to spray hundreds of thousands of gallons of DISPERSANTS into the gushing clouds of oil and onto surface of the ocean. Dispersants are a mixture of organic solvents and detergents which enable the oil to mix into the water. While this largely succeeded in getting the oil “out of sight, out of mind” by diluting it into a much larger volume of water below the surface, and helped increase of speed of chemical and bacterial breakdown of the oil somewhat, much of the oil is still there, just spread out more, and the dispersants themselves are also quite toxic. The full environmental damage of this spill and its “cleanup” will take years to …show more content…
Some argue that nanobes cannot be living because they are so small.
2. Another reason nanobes are thought to be non living is because they lack evidence of having DNA.
Question 4 (5 points) In addition to being vital to life itself, enzymes are utilized by humans in various ways, such as dietary supplements and consumer goods. Investigate the use of enzymes in the products below. For complete credit, each answer should consist of two complete sentences.
• Beano
Beano is a product that attempts to reduce gas in the digestive system. It reduces bloating and stomach discomfort as well. It’s made up of digestive enzymes that break down carbohydrates as well as complex sugars.
• Mannastar
Mannastar can be found in most soap, cleaning products and detergents. Its purpose is to break down stains and any residue.
• Stonewashed Jeans
The process of stonewashing jeans gives them a stretchy texture and a worn out look. The cellulose breaks down some of the molecular bonds however it does no damage to the interior of the cotton fibers.
• Lactaid
Lactaid is a dietary supplement that consists of the lactase enzyme. This enzyme helps break down the sugar found in dairy products.
•