The cell membrane is a biological membrane that surrounds (protects) a cell and separates the contents of the cell from its surrounding environment. The chemical structure that makes up the cell membrane include; phospholipids (lipid molecules that contains a phosphate group head and two fatty acid tails), glycolipids (lipids with carbohydrate), proteins and cholesterol. The phospholipids forms a double layered membrane around the cell.
Answer:
The correct answer is option A) "0.0 mM sucrose".
Explanation:
Since single-celled Paramecium use their contractile vacuole to osmoregulate upon hypotonic environments, it is expected that a condition where no sucrose or salt is added is the condition where the contractile vacuole would be most active. In this extremely hypotonic condition cells tend to absorb high quantities of water, the contractile vacuole pumps water out of the cell to regulate its osmotic pressure.
The conditions exhibited revolve around the plight of the African American family.... the lack of opportunity, the dream of something better, the disappointments of the past, and a fear of the future.
Answer:
Unattached earlobes
Explanation:
E is dominant, so in the genotype EE, the dominant trait will be expressed which is unattached earlobes
Here is the correct answer that would best complete the statement above. As you move lower levels of classification, the number of organisms decreases and the organisms at the lower levels of classification have more characteristics that they share with each other.
