How many bases make up an mRNA codon?
a. 1
b. 2
c. 3
d. 4
c. 3
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Refer to the paragraph on the Krings et al. paper. Why did the researchers wear protective clothing and note so emphatically that they did so?
A) They needed to be certain there were no ancient pathogens on the sample that modern humans hadn't been exposed to. B) They needed to be sure not to harm the precious sample with oils from skin or moisture from their breath. C) They needed to minimize the chance of introducing their own mitochondrial DNA to the sample. D) They needed to follow careful, standardized laboratory procedures required by law and document their compliance.
Structurally, which type of neuron has many processes associated with the cell body?
The yolk, which is a component of many animal eggs, contains a mixture of____
a. individual amino acids and nucleic acids b. proteins and lipids c. proteins and carbohydrates d. nucleic acids and proteins e. lipids and nucleic acids
If the carrying capacity of species 2 was actually 50, what would the competitive outcome be?
A) Both species coexist. B) Species 1 wins. C) Species 2 wins. D) Both species go extinct.