How may electrons does Mg 24 have?

Why is one side of the moon called "the dark side of the moon" A. The moon both rotates on its axis and revolves around Earth every 28 days. B. The moon is in Earth's shadow C. Earth is in the moon's shadow

Which of the following statements about genetics is TRUE? A. Genes are proteins that produce DNA. B. Each organism has its own unique DNA code. C. DNA relies upon five different building blocks as the alphabet of inheritance. D.

Which of the following is NOT true of viruses? Viruses must always have their own metabolism Viruses must always be parasitic and must always have their own metabolism c Viruses must always be parasitic Viruses must always contain nucleic acids (RNA

Give an example of a vestigial structure and explain how vestigial structures are significant to evolution.

If two species of bacteria use glucose as an electron donor, but species a uses oxygen as the final electron acceptor and species b uses nitrate, then how much glucose would species b need to use to generate the same amount of atp as species a?

What is the most likely cause of plate movement? A) radiation from the sun B) cold air currents on earths surface C) heat convection within the earth D) movement of ice sheets

The closer together a magnet's magnetic field lines are, a. the weaker the magnetic field. b. the stronger the magnetic field. c. the closer they are to the magnet's center. d. the closer they are to disappearing.

What are two things that carbohydrates and lipids have in common? A. Both contain C, H, O and N and are formed by dehydration snythesis. B. Both contain C, H, O and serve as a source of energy. C.

Stellar equilibrium is a balance between what two things? A. Outward and inward gravity. B. Outward pressure from light and inward pressure from heat. C. Outward pressure from hydrogen and inward helium. D. Outward pressure and inward gravity

Which genotype represents a homozygous dominant allele? HH Hh hh