Which of the following processes can generate orthologous genes over evolutionary time?
A) protein cleavage
B) transcription regulation
C) gene duplication
D) chromosomal inversion
E) mutation that creates a new ATG
C) gene duplication
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What type of subject is treated as closely as possible to an experimental subject except that he or she does not get the experimental treatment?
What will be an ideal response?
Which of the following correctly describes a reaction that has reached chemical equilibrium?
A) The rate of the forward reaction is equal to the rate of the reverse reaction. B) All of the reactants have been converted to the products of the reaction. C) All of the products have been converted to the reactants of the reaction. D) Both the forward and the reverse reactions have stopped, with no net effect on the concentration of the reactants and the products.
Suppose you wanted to compare two different stain removers to learn which one was better at removing food stains from clothing. What is the independent variable?
A.) amount of stain B.) ability to remove stain C.) brand of stain remover
A research project you are doing looks at different protein-encoding genes in the human genome. What are some of the main classes of genes that you will find? (Select all that apply.)A) clusters of two or more distinct genes known as multigene familiesB) transposons that move within or between chromosomesC) single-copy genes that exist once on the genomeD) simple sequence repeatsE) tandem clusters used to increase levels of specific mRNAs
What will be an ideal response?