Kristen is a researcher at an agricultural university studying the information and classification of soils. She deals with which type of soil? A. edaphology. B. Pedology. C. Soil mechanics. D. Soil physics

What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds

Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?