To get blue owls, you need the functioning enzymes encoded by the A and B genes. The protein encoded by the D gene causes enzyme B to be degraded. a, b, and d are alleles that encode recessive, loss-of-function mutations. Owls that don’t make or don’t deposit the blue pigment are grey. a. In an AaBbdd X AaBbdd cross that produced 48 owls, how many blue ones would you get?   b. If the cross is AaBBDd X AaBBDd and produces 160 owls, how many blue owls will you get?

In the following pedigree, vertical lines indicate individuals with A disease, while horizontal lines indicate individuals with B disease. Both A and B diseases are rare diseases. a. What are the most likely modes of inheritance of A and B diseases? b. In a mating between IV-2 and IV-3, what is the chance that the child produced would have both A and B diseases?

Which of the following features of the inner mitochondrial membrane directly supports its role in electron transport and ATP synthesis?

On average, how many ATP molecules would be produced if 7 NADH and 8 FADH₂ molecules donated their high-energy electrons to the mitochondrial electron transport chain?

Which of the following groups of microorganisms is correctly matched with its preferred environment?

In animals, an action potential begins when Na⁺ ions move into the cell from the outside. Which type of ion channel does this influx occur through?

What molecule does acetyl-CoA react with to form citrate in the first step of the citric acid (TCA) cycle?

How many pyruvate molecules are produced from one molecule of glucose during glycolysis?

If a monopoly is producing an amount of output level at which marginal revenue exceeds marginal cost, in order to increase its profit the monopoly will ________ its price and ________ its output.

Which of the following best explains why the inner mitochondrial membrane has a higher protein-to-lipid ratio than the myelin sheath membrane?