Answer the following questions true (T) or false (F)
1. Integral proteins always extend completely through the plasma membrane.
2. The chief component of the plasma membrane is the phospholipid bilayer.
3. The glycocalyx is found just inside the plasma membrane of the cell.
1. FALSE
2. TRUE
3. FALSE
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A scientist wants to determine whether a mutant phenotype is due to the loss of gene C or gene D, which are both deleted in a mutant fly with abnormal eyes. Mutant flies with transgenic gene C have wild-type eyes, whereas mutant flies with transgenic gene D have abnormal eyes. What can be concluded from these results?
A) Either gene C or gene D is required for normal eye development. B) Both gene C and gene D are required for normal eye development. C) Gene C is required for normal eye development. D) Gene D is required for normal eye development.
Answer the following questions true (T) or false (F)
1. Cells harvest energy from nutrients by stripping electrons from them. In other words, the nutrients are oxidized. 2. By the end of the Krebs cycle, every carbon originally in glucose is converted into carbon dioxide. 3. The main energy benefit of the Krebs cycle is the mass production of both ATP and the reduced factors NADH and FADH2.
Why do soybeans, corn, cotton, and canola dominate the GM crop market?
a. They are inexpensive to produce. b. They are the only GMO crops approved since the Flavr Savr tomato. c. They are exempt from U.S. regulations. d. They are ingredients in processed foods, so they are more easily accepted. e. These crops help to feed and clothe the poor.