Which of the following are reactants in the process of cellular respiration?

Which member of the following food chain will be least affected by ddt, a pesticide water pollutant, if bio-magnification is occurring? algae> zooplankton> crayfish> leopard frog> large mouth bass

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective

Which of the following is the smallest unit that would contain a complete copy of the entire human genome? a) one human somatic cell b) one human chromosome c) all of the dna of one human d) one human gene