All cells, both prokaryotic and eukaryotic, have all of the following except: a. cytoplasm b. dna c. mitochondria d. ribosomes

Which part of cellular respiration must occur before any of the other steps can occur

Mr. olajuwan was in a horrific snowmobile accident. afterwards he had trouble walking and he had a loss of balance. which of the 4 major brain region was probably demaged

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