8. Large “storage” compartment; holds contents (mostly water) for later use (pla
ID: 210370 • Letter: 8
Question
8. Large “storage” compartment; holds contents (mostly water) for later use (plants only)
9. Surrounds and protects DNA
10. A new employee at a pet store accidentally places some fresh water fish in a salt water tank. This is a deadly mistake because in this situation, the salt water is a _________________ solution.
11. The passive movement of water molecules directly across a semipermeable membrane with the concentration gradient from an area of high concentration to an area of low concentration.
Facilitated diffusion
Simple diffusion
Osmosis
Active transport
12. The substance in which a solute is being dissolved.
Solvent
Solute
Diffusion
Solution
13. Produces cellular energy from food energy
14. Site of protein synthesis
15. The passive movement of molecules across a semipermeable membrane with the concentration gradient from an area of high concentration to an area of low concentration via a protein channel.
Facilitated diffusion
Simple diffusion
Osmosis
Active transport
16. Produces food energy from light energy (plants only)
17.
-A.B.C.D.
Passive process; Does not require energy.
-A.B.C.D.
Requires energy
-A.B.C.D.
Requires a protein channel
-A.B.C.D.
Movement of water only!
A.
Diffusion
B.
Active Transport
C.
Active Transport & Facilitated Diffusion
D.
Osmosis
18. The substance being dissolved in a solution.
Diffusion
Solvent
Solute
Solution
19. Site of lipid synthesis
20. In hospitals, patients may be given fluids intravenously. These fluids are prepared at a concentration of 0.9% sodium chloride so that the ion concentration in the fluid is equal to the ion concentration in human blood. The IV fluid is an example of an _____________________ solution.
Explanation / Answer
8. Large “storage” compartment; holds contents (mostly water) for later use (plants only)
Vacuole
Vacuoles are mostly present in plant cells and store water and some enzymes.
9. Surrounds and protects DNA
Nucleus
Nucleus surrounds the genetic content in eukaryotic cells and protects it from cytoplasmic enzymes.
10. A new employee at a pet store accidentally places some freshwater fish in a saltwater tank. This is a deadly mistake because, in this situation, the salt water is a hypertonic solution.
Now the environment inside the fish is hypotonic compared to hypertonic salt water, and thus the fish would not be able to osmoregulate efficiently.
11. The passive movement of water molecules directly across a semipermeable membrane with the concentration gradient from an area of high concentration to an area of low concentration.
The answer is osmosis.
Osmosis is the passive movement of water molecules directly across a semipermeable membrane with the concentration gradient from an area of high concentration to an area of low concentration.
Vacuole
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