Which of the following correctly lists the parts of a nucleotide? a. Phosphate group, nitrogenous base, and helicase enzyme
b. Nitrogenous base, helicase enzyme, and 5-carbon sugar
C. 5-carbon sugar, nitrogenous base, and phosphate group
d. Phosphate group, protein, nitrogenous base, and 5-carbon sugar

Consider an organism that is eukaryotic, found in both unicellular and multicellular forms, may resemble a plant but is not photosynthetic, has chitin in its cell walls, and absorbs organic nutrients from decomposing material in the environment. this organism would be classified as which of the following types of organisms? a. fungib. protozoac. bacteriad. archaea

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat