Which of the following statements describes the mitochondrial outer membrane?
(a) It is permeable to molecules with molecular mass as high as 5000 daltons.
(b) It contains transporters for ATP molecules.
(c) It contains proteins that are released during apoptosis.
(d) It contains enzymes required for the oxidation of fatty acids.
(a)
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If a population of diploid organisms has three different alleles for a particular gene, how many different genotypes are possible?
A. 2 B. 3 C. 6 D. 9 E. 12
Water enters the sponge spongocoel through the:
a. choanocytes. b. spicules. c. ostia. d. osculum. e. pinocytes.
The human-accelerated region 1 (HAR-1 ) gene
A) was identified by functional genomics. B) is identical to the chimpanzee HAR-1. C) encodes for the human accelerated region-1 protein. D) is a small, noncoding RNA expressed in the brain. E) is a small, regulatory RNA that regulates gene expression.
In snapdragons, FR = red flowers and FW = white flowers. Plants heterozygous for flower color have pink flowers. A cross between two pink-flowered plants will produce ____ red-flowered plants.
A. 100% B. 75% C. 50% D. 25%