Which of the following would exit a liver cell? A. oxygen and carbon dioxide
B. carbon dioxide
C. oxygen
D. glucose

Which of these parts of the membrane large moecules pass through it ?

One of the reasons that stars are so large is because

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.