Which term describes the expression of a trait?
a.
phenotype
b.
genotype
c.
dna
d.
rna

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

What is the name of the enzyme that forms at the start of transcription?