1. Which of the following is a TRUE statement about cellular respiration?
A. Cellular respiration converts the energy directly from the sun into energy stored in chemical
bonds.
B. Cellular respiration cannot occur without sunlight.
C. Cellular respiration occurs in plant cells and in animal cells.
D. Cellular respiration converts carbon dioxide and water into carbohydrates and glucose.

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

The tubes transporting minerals and water upward are called ?

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry