3 years ago

Explain how carbon moves from one Earth System sphere to another

1 answer:

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Answer: <em>Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants need to get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.</em>

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Point mutations resulting in a single amino acid substitution provided evidence that: Select one: A. The genetic code is a tripl

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Answer:

C. The genetic code is not overlapping.

Explanation:

The genetic code is nonoverlapping because each nucleotide can be part of only one codon or 'codeword' during protein synthesis. Therefore, a particular point mutation in the nucleotide sequence can result in only one amino acid modification. A nonoverlapping genetic code indicates that the same letter (i.e., the same nucleotide) can not be used for two different codons. The non-overlapping nature of the genetic code was discovered by Tsugita and Fraenkel-Conrat (1960) by observing point mutations in the tobacco mosaic virus.

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A geneticist wants to determine what mutation in a DNA molecule changed the structure of a specific protein. What would the scie

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Answer:

Explanation: 1+1

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Compare and contrast the composition of DNA and RNA DNA and RNA both have________ DNA has _______________,but RNA has __________

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Answer:

1st blank: four nitrogenous bases each. (cytosine, adenine, and guanine)