There are three main types of RNA: messenger RNA (mRNA), ribosomal RNA (TRNA), and transfer RNA (TRNA) Which type or types of RNA contain a copy of the instructions that a gene carries?
a)mRNA and tRNA
b)mRNA only
c)mRNA, rRNA, and tRNA
d)rRNA only

what's the

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /

c should be the answer

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation: