Biology, 17.12.2020 19:40 Chartwig4831
Which of the following BEST describes a cell using passive transport to maintain homeostasis?
A. oxygen moving from a high concentration in the lungs to a low concentration in the blood
B. ATP is used to pump K+ ions out of the cell and Na+ ions into the cell to resting potential
C. a white blood cell uses a vesicle to engulf bacteria to help fight an infection
D. a transport protein moves amino acids from a low concentration in the blood to a high concentration in the small intestines.
Answers: 2
Biology, 22.06.2019 09:40, OliTepley8032
80 points pls 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 planets’ 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 11:00, brainy51
4. if a cell is placed inside a solution that has a higher concentration of solute than on the inside of the cell, what can be said about the movement of water? a. water will move out of the cell, causing it to shrivel. b. water will move in and out of the cell at the same rate. c. water will move out of the cell, causing it to swell. d. water will move into the cell, causing it to swell.
Answers: 2
Which of the following BEST describes a cell using passive transport to maintain homeostasis?
A. ox...
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