Biology, 29.07.2019 01:00 DrippyGanja
Which statement accurately describes the function of a hormone produced by the adrenal glands? a. cortisol causes the heart rate and blood pressure to rise. b. aldosterone control metabolism of carbohydrates, fats, and proteins. c. norepinephrine regulates blood volume and pressure. d. epinephrine widens the air passageways in the lungs.
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 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 13:20
Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
Answers: 1
Biology, 22.06.2019 13:30
Where is most of the fresh water on earth found a in the ocean b in glaciers and in ice caps c in rivers d in the soil
Answers: 1
Which statement accurately describes the function of a hormone produced by the adrenal glands? a. c...
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