Biology, 21.11.2019 22:31 mykiagamble

What happens to the z lines after contraction of the sarcomere?

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Biology, 21.06.2019 19:30, bunbun2913

Mention true or false : a) cholera is marked by acute diarrhea and no urination. b)mosquitoes are the source of dysentery germs.

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Biology, 22.06.2019 10:10, NewKidnewlessons

20 point pls brianliest 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?

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Biology, 22.06.2019 11:30, luludawn2455

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different

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Biology, 22.06.2019 17:00, TheVariableWhoLived

As the earth formed, the force of gravity increased due to increased mass. what effect did this increased gravity have on the forming planet?