Assignment: Hypotonic And Isotonic.

Assignment: Hypotonic And Isotonic.
Assignment: Hypotonic And Isotonic.
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11. Which term does not belong in this list?
Acid
Vinegar
Hydrogen ion donor
pH 8
Lactic acid
12. The process in which molecules spread randomly from areas of higher concentration to areas of lower concentration is:
Filtration
Diffusion
Exocytosis
Osmosis
13. Organize the following solutions from most concentrated to least concentrated: hypertonic, hypotonic, and isotonic.
Hypotonic>Hypertonic>Isotonic
Hypertonic>Hypotonic>Isotonic
Hypertonic>Isotonic>Hypotonic
Isotonic>Hypotonic>Hypertonic
14. The rate of diffusion depends on which of the following?
The medium
The size of the molecule
The polarity
All of the above
A. and C. only
15.All of the following are examples of elements except
Oxygen
Water
Hydrogen
Carbon
16. What would happen to a eukaryotic cell, if too much osmotic pressure develops within a cell?
The cell would remain the same size, but the internal organelles would become dehydrated
The cell would decrease in size, and could collapse.
The cell would increase in size, and could lyse.
Nothing, osmotic pressure does not impact the cell.
17. Inthe following chemical reaction, what is carbon dioxide (CO2)?
12 H20 + 6 CO2= 1 glucose molecule + 6 O2
A. substrate
B. product
C. enzyme
D. activation factor
E. independent variable
18. The bond in which two atoms share one or more pairs of electrons is a_________ bond.
Polar
Hydrogen
Ionic
Covalent
19. Which of the following terms includes all of the chemical reactions that occur within a cell?
Cellular respiration
Catabolism
Redox reactions
Metabolism
Phosphorylation
20. Within a cell, energy released by electrons is often used to phosphorylate which of the following molecules?
ADP
ATP
Pyruvate ions
Oxygen
NAD
21. All of the following apply to glycolysis except
Occurs without oxygen
Degrades glucose to H2O and CO2
Ends with formation of pyruvic acid
Occurs during fermentation
22. In which of the phases of cellular respiration is the majority of ATP formed?
Processing of pyruvic acid for the Krebs cycle
Electron transport chain
Glycolysis
The Krebs cycle
All phases produce the same number of ATP molecules
23. The energy of the sun is converted into usable energy for the cell in the form of _________.
ATP
ATP
Glucose
CO2
24. The starting materials of photosynthesis are _____________
Oxygen and glucose
Carbon dioxide and oxygen
Carbon dioxide and water
Oxygen and water