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In mitochondria, the electron transport chain pumps protons to the mitochrondrial matrix.

Photosystem I receives electrons from the electron transport chain that originates in Photosystem II.

Which of the following statements is TRUE regarding cytokinesis?

Which of the following statements best explains why carbohydrates and fats are considered high-energy foods? 

Which of the following statements about human somatic cells is FALSE?

The mechanism of photophosphorylation is most similar to which of the following processes?

During anaerobic respiration 30-32 total ATP can be synthesized from one molecule of glucose.

What do troubadors/trobairitz and Tanburi Cemil Bey have in common? How is “Lucy in the Sky with Diamonds” different from music created for the courts of Aquitaine or the court of the sultan of the Ottoman Empire?

​A rectangle has an area of 18 cm. What is the perimeter if the length is 6 cm?  

As shown in the illustration, a starfish has the shape of a pentagon. Look at the illustration of the fruit. How many sides does this polygon have? ​   ​