Answer:
Option (1).
Explanation:
Biological membrane mainly composed of lipids and proteins with the small amount of carbohydrate exposed on the outer surface of the membrane. This membrane plays an important role as it separates the cellular environment and facilitate the transport of the selected molecule.
The flippase enzyme is required to transport the molecules from one side of the membrane to the other membrane. Lipids and proteins can undergo lateral motion but at the different rate within the membrane.
Thus, the correct answer is option (1).
Answer:
The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.
Explanation:
All organisms are composed of one or more cells
Cells are the basic unit of structure and function in a living organism
Cells come only from the reproduction of existing cells
The individuals make up the population, like the basic unit of measurement for a group of animals/living things.
Explanation:
The biosphere, (from Greek bios = life, sphaira, sphere) is the band of the planet Earth anywhere life lives. The biosphere is one of the four layers that comprise the Earth along with the lithosphere (rock), hydrosphere (water) and atmosphere (air) and it is the amount of all the ecosystems.The levels of biological structure from individual to biosphere are, subatomic particles, Atoms, Small Molecules, Macromolecules, Molecular devices organelle cell tissue organ system organism population species agreement ecosystem and Biosphere.
The answer to your question is C