What accounts for the fluidity of all cell membranes? Select one: a. Water b. Pr
ID: 99942 • Letter: W
Question
What accounts for the fluidity of all cell membranes? Select one: a. Water b. Proteins c. Carbohydrates d. Cytoskeleton e. Phospholipids What property of water explains why placing a sealed glass container filled with water in your freezer overnight is not a good idea? MARK ALL ANSWERS THAT ARE CORRECT Select one or more: a. Solid water is more dense than liquid water b. Solid water is less dense than liquid water c. Frozen water molecules are farther apart than liquid water molecules d. Frozen water molecules are closer together than liquid water molecules e. This is a myth perpetuated by social media What group of biological molecules provides the most energy per gram? Select one: a. Lipids b. Simple sugars c. Starch d. Cellulose e. Proteins What is meant by the term gene therapy? Select one: a. Inserting a functional version of a defective gene in an attempt to cure diseases b. Talking about potential genetic flaws in your genome with a counselor c.Explanation / Answer
9. e.The factor that leads to fluidity is the nature of the phospholipids themselves.
10.a.c. Water, however, is a bit weird. When the water molecules start holding on to each other really tightly, they make a pattern that actually takes up /more/ space than they did when they weren't stuck together. (This pattern is what you see if you look at ice crystals.) So, when water freezes, the molecules take up more space, and the ice ends up being even /bigger/ than the water was.
11.a.Fats provide 9 calories per gram, so they contain more energy than carbohydrates.
12.a.The introduction of normal genes into cells in place of missing or defective ones in order to correct genetic disorders.
13.e.
Specifically, plants use energy from sunlight to react carbon dioxide and water to produce sugar (glucose) and oxygen. Many reactions occur, but the overall chemical reaction for photosynthesis is:
6 CO2 + 6 H2O + light C6H12O6 + 6 O2
Related Questions
drjack9650@gmail.com
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.