Examlex
To turn genes off,a regulatory protein called a __________ is bound to a regulatory site so that RNA polymerase is blocked.
Add
The mathematical operation of combining two or more quantities to get a total sum.
Fractions
A mathematical expression representing the division of one quantity by another, denoting parts of a whole.
Arabic Numerals
The numeral system of digits used globally (0, 1, 2, 3, etc.), originating from the Arabic-speaking world and now common in most countries.
Roman Numeral
An ancient system of numbers where letters represent values, used historically for counting and denoting sequences.
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