Q: What mechanism is used by living organisms to pass along genes? Choices: - protein - digestion - chlorophyll - dna A:
dna

Q: The dna is wound around proteins called what? Choices: - leptons - nucleotides - pepsins - histones A:
histones

Q: Q: Sex-linked traits are located on genes on what chromosomes? Choices: - reactive - neural - dna - sex A:
A: sex

Question: Q: What is required for interconversion between the two forms of an isomeric pair? Choices: - couple and reforming - fixing and reforming - turn and reforming - breaking and reforming A:
Answer: breaking and reforming

*Question*
Q: What are changes in membrane potential that vary continuously with the strength of a stimulus are known as? Choices: - reverse potentials - variable potentials - kinetic energy - graded potentials A:
**Answer**
graded potentials

Q: Q: What was the first antiseptic called? Choices: - acid - gasoline - chlorine - phenol A:
A: phenol