What enzyme breaks the hydrogen bonds between bases?

helicase

DNA polymerase

amylase

pepsin

What is one way that creativity made up for limited technology for early biologists? Scientists created unique experiments for exploring living organisms without killing them.

What would happen if the earth's orbit suddenly became smaller? A) The earth's water would evaporate. B) The earth's water would freeze. C) The earth's atmosphere would float away. D) The earth's atmosphere would collapse.

Cheese is high in calcium and what other nutrient

A person throws darts at a dart board and the darts are spread all around the bullseye, but not grouped together in one general area. What statement best describes this situation? A) The dart thrower is accurate and precise.

Using the above scenario, which of these would have the largest amount of energy? A) Algae B) Bears C) Big Fish D) Small fish

How does the live ensure that the body will have a constant supply of energy

Human albinism is an autosomal recessive trait. Suppose that you find a village in the Andes where 1/4 of the population is albino.

What type of wave carries more energy radio waves or visible light?

What trophic level in a sentence?

Bacteria are organisms that reproduce asexually how is this better for them them reproducing sexually