Which compound is a reusable, complex protein that speeds up chemical reactions? A) starch B) sugar C) lipid D) enzyme

What is the best microscope to get a detailed view of the parts inside of a preserverd plant

How does genetic engineering affect a cell's characteristics? A. Allows scientists to induce a cell to make needed chemicals. B. Allows nature to produce favorable traits slowly and precisely. C.

What is the average net radiation budget of earth

Why is farming the most significant activity that accelerates soil erosion

According to Darwin, what size litter would be most beneficial for a rat in order to ensure survival and why?

What system that removes waste from the body and controls the body's water levels?

How is a scientific law formed?

Approximately, when was the structure of DNA first described? 1900 1950 1800 1850

What makes influenza viruses so dangerous

Blank investigations allow for the control of variables can be repeated