Dna must be replicated before mitosis so that all new cells produced will contain all the dna of the original cell.

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

Which of the following types of rock would most likely contain a fossil? slate granite lava rock limestone

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin