The ability of bread to rise is mainly a function of the CO2 produced anaerobically during oxidative phosphorylation.
Answer the following statement true (T) or false (F)
False
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A biologist discovers a new species of organism adapted to living in a deep underground cavern that provides no source of free water. The organism is eyeless and covered by fur, and it has a four chambered heart with a closed circulatory system. What excretory system adaptations to this extreme environment might the biologist expect to find?
A. very long malpighian tubules B. very short malpighian tubules C. metanephridia with a large number of nephridiopores D. nephrons with long loops of Henle E. nephrons with short loops of Henle
USDA guidelines include minimizing the
amount of ___ in your diet.
a. refined grains b. saturated fats c. trans fatty acids d. sugar e. all of these
Spherocytosis is a human blood disorder associated with a defective cytoskeletal protein in the red blood cells (RBCs). What do you suspect is the consequence of such a defect?
A) abnormally shaped RBCs B) an insufficient supply of ATP in the RBCs C) an insufficient supply of oxygen-transporting proteins in the RBCs D) adherence of RBCs to blood vessel walls, causing plaque formation
Which of the following statements is TRUE?
a. As the concentration of CO2 increases inside the cell, the transport out of the cell, across the cell membrane, reaches a maximal plateau. b. Polar vitamins can cross the cell by potocytosis. c. Glucose crosses the cell membrane via a channel. d. Secondary active transport proteins bind and hydrolyze ATP.