Which are possible results of an intragenic inversion (an inversion contained within a gene)? (Select all that apply.)
A) A normal protein may be produced.
B) Some of the gene's DNA sequences will be adjacent to DNA sequences to which they are not normally adjacent.
C) All of the gene's A, C, G, and T bases remain in the same order as normal.
D) The order of genes along the chromosome may be different than normal.
A) A normal protein may be produced.
B) Some of the gene's DNA sequences will be adjacent to DNA sequences to which they are not normally adjacent.
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Which of the following is the probable basis for the
evolution of mitochondria and chloroplasts? a. Cells eat each other. b. Light is an energy source. c. ATP can carry energy. d. Oxygen is a by-product of photosynthesis. e. Energy can be transformed from one form to another.
Aldosterone stimulates the reabsorption of sodium ions here
A) glomerular capsule B) proximal convoluted tubule C) loop of the nephron D) distal convoluted tubule and collecting duct
The Sanger sequencing approach developed in the 1970s
A. has been rendered obsolete by the development of fundamentally different methodologies. B. is still the main approach used to determine nucleotide sequences. C. is applicable to RNA but not DNA. D. is useful for sequencing small DNAs but is not applicable to genome sized DNA molecules.
The electron transfer chain is located
a. on the inner membrane of the mitochondria. b. on the inner membrane of the chloroplasts. c. in the fluid part of the chloroplast. d. throughout the cytoplasm of the cell. e. on the plasma membrane of eukaryotes.