Which is true for both photosynthesis and cellular respiration? a. they require oxygen as a reactant. b. they require organelles. c. they require light energy from the sun. d. they require cells to use water.

In general, are there any major differences that you can see? explain

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation

Select the correct answer. what does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms