Biology, 18.11.2020 21:10 rileyeddins1010
Figure 1 represents a plasma membrane and molecules present on either side.
Part A: Describe the biological need for cells to be surrounded by a membrane that is selectively permeable for different materials.
Part B: Explain how the model shows selective permeability of the membrane to specific ions.
Part C: Describe the characteristics of the phospholipid bilayer that permit small hydrophobic lipid molecules to pass directly
Part D: Based on the model, explain whether the molecules shown crossing the membrane require energy to do so.
Answers: 2
Biology, 21.06.2019 22:20
Which best compares habitat and niche? o niche is a place in which organisms live, and habitat is the way in which an organism fits into its habitat.o habitat is a place in which organisms live, and niche is the way in which an organism fits into its habitat.habitat is a group of organisms that live in an area, and niche is a specific species that lives in that areao niche is a group of organisms that live in an area, and habitat is a specific species that lives in that area.
Answers: 2
Biology, 22.06.2019 04:30
Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
Answers: 2
Biology, 22.06.2019 06:00
Explain why ecosystem diversity results in species diversity in a healthy biosphere
Answers: 3
Figure 1 represents a plasma membrane and molecules present on either side.
Part A: Describe the bi...
Computers and Technology, 03.03.2020 05:50
Mathematics, 03.03.2020 05:50
Mathematics, 03.03.2020 05:50
Mathematics, 03.03.2020 05:50
History, 03.03.2020 05:51