What best describes the cell membrane?
A. It is a single layer of lipids
B. It is an impene...
Biology, 15.09.2021 22:10 northpolea
What best describes the cell membrane?
A. It is a single layer of lipids
B. It is an impenetrable barrier
C. It is strong, rigid, and durable
D. It is a lipid bi-layer
Answers: 2
Biology, 22.06.2019 09:30
During binary fission, what events must occur before the cell splits into two new cells?
Answers: 2
Biology, 22.06.2019 09:40
Me brainliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula.5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects.8. describe the planetsβ orbits around the sun.9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets.13. what causes the seasons?
Answers: 1
Biology, 22.06.2019 12:00
The earth's oceans are made up of chlorine, and trace elements. a) carbon, oxygen b) oxygen, silicon c) hydrogen, oxygen d) nitrogen, oxygen
Answers: 2
Biology, 22.06.2019 13:20
Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down
Answers: 1
English, 16.12.2020 09:50
Biology, 16.12.2020 09:50
Mathematics, 16.12.2020 09:50
Health, 16.12.2020 09:50
History, 16.12.2020 09:50
Mathematics, 16.12.2020 09:50
Biology, 16.12.2020 09:50
Mathematics, 16.12.2020 09:50
Mathematics, 16.12.2020 09:50
Mathematics, 16.12.2020 09:50
Mathematics, 16.12.2020 09:50
Mathematics, 16.12.2020 09:50
Mathematics, 16.12.2020 09:50