What protects the living organisms on the earth from extreme heat and extreme cold? A. solar system
B. revolution
C. atmosphere
D. changing seasons

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata

When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated

Is dna the same in every cell in the human body explain your answer