What Do the Data Points Signify on the Apparent Polar

question 70

Multiple Choice

What do the data points signify on the apparent polar wandering curves for Eurasia and North America?

• A) where the north magnetic pole appears to be located as viewed from various locations on different continents of the northern hemisphere today
• B) laboratory locations where Eurasian and North America rock samples were taken to be tested
• C) the apparent positions for the north magnetic pole at various times in the past, from paleomagnetic measurements on different rock sequences in Eurasia and North America
• D) where the north magnetic pole will be at various times in the future if North America keeps moving east and Eurasia keeps moving west

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Definitions:

Ribosomes

Molecular machines within cells where proteins are synthesized, following the instructions encoded in RNA.

mRNA

Messenger RNA, which carries genetic information from DNA to the ribosome, where it serves as a template for protein synthesis.

AUG Codon

The mRNA codon that signals the start of protein synthesis, typically coding for the amino acid methionine in eukaryotes and a modified methionine in prokaryotes.

Translation

The process by which the sequence of bases in mRNA is used to direct the sequential addition of amino acids, building polypeptide chains in protein synthesis.