2atp molecules are needed to start a) the krebs cycle b) gyycolysis c) the electron transport chain d) none of the above

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

Which sets of mrna codons could genetically come for a protein with the following amino acid composition