What is mrna?
will give !

a. a dna strand that cannot be transcribed

b. an rna copy of a dna gene

c. a dna sequence at the start of a gene

d. an rna segment that does not code for proteins

Could someone me with number one you

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

Apatient has an open displaced fracture of the second cervical vertebra. this is her fifth visit and the fracture is healing normally. what icd-10-cm code is reported?