What step first happens in DNA replication?

What is the advantage of producing sperm in a system of tubes rather than in a solid tissue?

What the concept of density means-without using the formula.?

Which sources do scientists use to study the interior of Earth? Check all that apply. Earth's orbit - core samples - sea level - earthquakes - S waves - rock composition

Charles Darwin was never a _ student but a what

What is an important component of ATP that is needed to transfer and release energy directly? A) nitrogen B) phosphate C) uracil D) zinc

Which best describes the advantage of pest resistance? Pests are mutated and tolerate more. Pesticides become less effective. Farmers do not have to use harsh chemicals to save their crops. Farmers can kills weeds without killing their cash crop.

Which is better 1 big cell or 4 small cells

Describe how scientists can directly measure the movement of tectonic plates

Which of the following is false? A. the graduation rate in a city and the rate of unemployment in a city is a positive correlation B. the cost to mail an envelope and the weight of the envelope is a positive correlation C.

Which material is being cycled? carbon dioxide nitrogen oxygen water