Q: Q: The binding of complementary bases allows dna molecules to take their well-known shape, called a what? Choices: - triple helix - single helix - simple helix - double helix A:
A: double helix

Q: Q: What are cations simply named after? Choices: - the scientist - the cell structure - the body part - the parent element A:
A: the parent element

Q: Q: What states that chemical reactions occur when atoms, ions, or molecules collide? Choices: - disturbance theory - reaction theory - elemental theory - collision theory A:
A: collision theory

Q: Q: What type of cell transmits electrical impulses in the nervous system? Choices: - toxin cell - Large Cell - trace cell - nerve cell A:
A: nerve cell