In the Text Are the Following Conversion Factors

question 45

Multiple Choice

In the text are the following conversion factors:
i.1 mi = 1 609 m
ii) 1 m = 39.37 in.
iii) 1 ft = 30.48 cm
iv) 1 in.= 2.54 cm
The 1 on the left hand side is assumed to have the same number of significant figures as the number on the right hand side of each of these equations.However,2 of these conversion factors are exact,and this means they have the equivalent of an unlimited number of significant figures when used in calculations.Which 2 are the exact conversion factors?

• A)i and ii
• B)i and iii
• C)ii and iii
• D)iii and iv

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Definitions:

Exons

Segments of a DNA or RNA molecule containing information coding for a protein or peptide sequence.

Introns

Non-coding sections of DNA within a gene that are removed during RNA splicing, not directly involved in coding for proteins.

Cis-Acting Elements

DNA sequences in the vicinity of the structural portion of a gene that regulate the expression of that gene.

Transcription Factor

Proteins involved in the process of converting DNA into RNA, playing a critical role in gene regulation.