Bio 1408 midterm Exam Review

Bio 1408 midterm Exam Review Question cells lack a membrane-bound nucleus. Selected Answer: Prokaryotic Question 2 2.33 out of 2.33 points You are asked to determine whether the cells on a microscope slide are plant, animal, or bacterial. After viewing them through a microscope and seeing cell walls and membrane-bound organelles you correctly conclude the cells Selected Answer: are plant cells. Question 3 2.33 out of 2.33 points are found between molecules/compounds and not within molecules/compounds; they are weak bonds that occur between a hydrogen of one molecule being attracted to a more electronegative atom of a second molecule. Selected Answer: Hydrogen bonds Question 4 2.33 out of 2.33 points Your first biology exam is coming up in a few days, and to help you get through a late night study session you buy a package of cupcakes. You notice on the nutritional label that each cupcake contains 3 grams of total fat, 23 grams of carbohydrate, 1 grams of fiber, and 1 gram of protein. After consuming a cupcake, what molecule do you expect to be most abundant in your digestive system? Selected Answer: monosaccharides Question 5 2.33 out of 2.33 points You've been experiencing acid indigestion lately, and decide to treat the problem. You go to your local pharmacist and she recommends that you purchase PEPCID AC or Alka-Seltzer tablets. If you could check the pH of these medications what would you expect to find? Selected Answer: higher than 7. Question 6 2.33 out of 2.33 points You must shake your oil and vinegar salad dressing before pouring it onto your salad because they separate from one another due to the properties of the oil. Selected Answer: hydrophobic Question 7 2.33 out of 2.33 points Why is the evaporation temperature for water so much higher than that for alcohol? Selected Answer: Fewer hydrogen bonds form between alcohol molecules. As a result, less heat is needed for alcohol molecules to break away from solution and enter the air. Question 8 2.33 out of 2.33 points Which of the following statements about pH is true?