Enzymes are used in which types of cells? plant cells animal cells both of the above neither of the above

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

Select all that apply genes are specific nucleotide sequences occur in numbers that are the same as the number of chromosomes are located in a specific place on a chromosome determine the traits of an organism are units of rna

Which factor affects the force of gravity between objects? check all that apply. direction distance mass shape time