During cellular respiration, the bonds of food molecules are broken, so energy can be released to fuel other cellular processes. In order for this to occur, which of the following statements must be true?
OA. The energy in the new compounds that are formed must be equal to the energy in the bonds of the food molecules.
OB. New compounds with higher-energy bonds must be formed when the low-energy bonds in food molecules are broken.
OC. The new compounds that are formed must be more complex than the food molecules that were broken down.
OD. New compounds with lower-energy bonds must be formed when the high-energy bonds in food molecules are broken.
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Which type of bacterial reproduction is depicted in the diagram?

Zoe decided to measure the hand length of each of her classmates. first she marked a line across each student's wrist and lined up a ruler from this mark to the top of the middle finger to measure the length. then she recorded the measurements in the table below. marla did this the same way for each classmate, and then zoe used this ruler to measure each straight line and record the data below. this data is invalid. what is the most likely reason why it is invalid? the ruler is marked in centimeters, but zoe recorded data in inches. the range of lengths is too wide, so zoe must have misread the ruler. marla’s complicated measuring procedure was overly confusing. marla could have been inconsistent while drawing outlines of fingers.

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries