Whích scientist thought he proved that plants obtain nutrients from water rather than soil?

What are the environmental pressures and variations of a shark

Animals get the most of the nitrogen they need a a by consuming plants or other animals. b by breathing in atmospheric nitrogen. c directly from bacteria in the soil. d from the process of denitrification.

The Isotope carbon-14 has 6 protons and an atomic mass of 14. Carbon-14 has:

Alison was found wandering near her neighborhood three weeks after she went missing. On being questioned by the police, Alison revealed that she couldn't remember anything that had happened to her over the past fortnight.

What enzyme connects the new nucleotides together and proofreads them?

Which atom is responsible for joining nucleotides to build a new strand of DNA

Each enzyme produced by the body is A. open-meaning it is able to catalyze a reaction with any molecule. B. specific-meaning it is only able to catalyze a reaction with a certain molecule. C.

Compare mitosis to meiosis, distinguishing how these processes are similar and different. give examples of cells that undergo mitosis and those that use meiosis.

Which of these is a living prokaryotic cell? A) Virus B) Bacteria C) Amoeba D) Paramecium

What led to food shortages in the Philippines