Which macronutrients are made up of carbon and hydrogen together hydrocarbons

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

During an investigation of an xss attack, the investigator comes across the term "[a-za-z0-9\%]+" in analyzed evidence details. what is the expression used for?

Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c