Q: What nucleic acid stores the genetic information? Choices: - Nucleus - Ribosomes - molecule - dna A:
dna

Q: What type of coal deposits are the most extensive ever formed? Choices: - precambrian - mesozoic - jurassic - carboniferous A:
carboniferous

Q: Which region of dna consists of one or more genes that encode the proteins needed for a specific function? Choices: - mRNA - chromosome - antigen - operon A:
operon

Q: What type of organisms do not need blood? Choices: - cold-blooded - vertebrate - marine - single-celled A:
single-celled