What belief did zoroaster teach? a. he taught that the universe is dominated by good, not evil. b. he taught that the universe is governed by natural laws, not gods and goddesses. c. he taught that the universe is locked in an eternal struggle between good and evil. d. he taught that the universe is ruled by many different gods and goddesses.

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material