Q: What are variants of genes called? Choices: - antigens - mutations - allergens - alleles A:
alleles

Q: What is the preferred method for separating late transition metals from their ores? Choices: - hydraulics - purging - heating - hydrometallurgy A:
hydrometallurgy

Q: Deletions remove one or more what from the dna? Choices: - codons - exons - genes - nucleotides A:
nucleotides

Q: What is the process bacteria use to break down chemicals into food? Choices: - biosynthesis - gametogenesis - cellular respiration - chemosynthesis A:
chemosynthesis