SOL Review #2

Which of the following is an example of an organism maintaining homeostasis? 

• An animal feels hungry but refuses to eat for several days and dies. 
• Cancer cells become unstable when cells continue to divide even after they are touching one another. 
• The roots of a plant do not grow deep enough into the soil to reach an adequate amount of water necessary for life.
• A person experiences a rise in blood-glucose levels which triggers the pancreas to produce more insulin. 

When does the bacteria population start growing exponentially? 

• 20 minutes
• 40 minutes
• 2 hours
• 3 hours

What is true about water? 

• It is nonpolar and does not dissolve substances
• It is polar and dissolves many substances
• It is polar but does not dissolve many substances
• It is nonpolar and dissolves many substances

Which of the following would be an example of a monosaccharide, disaccharide, polysaccharide? 

• oils
• DNA
• starch
• enzymes

Which of the following DNA strands compliments the following: TACCGACAAATT

• ATGGCTGTTCAG
• TACCGACAAGTC
• ATGGGTGGTCAG
• ATGGCTGTTTAA

What is this organelle and its correct function? 

• mitochondria - site of cell respiration
• chloroplast - site of photosynthesis 
• nucleus - control center
• Vacuole - storage of food, water, and waste

A student has an organism that is a multicellular, autotrophic eukaryote whose cells are surrounded by a cell wall. What is this organism? 

• Plant
• Animal
• Fungi
• Bacteria

The x-ray crystallography picture that Rosalind Franklin took, allowed scientist to- 

• Examine the proteins within DNA 
• Witness the replication of DNA 
• Understand the pairing of DNA to RNA 
• See the shape of DNA

Community B represents - 

• Limited Community
• Abundant Community 
• Pioneer Community
• Climax Community

Why was the pH of common household cleaners taken with pH paper and a pH meter? 

• For a full materials list
• For trial repitition
• To form a proper hypothesis
• To ensure accuracy of data