During transcription, a DNA nucleotide containing Thymine (T) base pairs with an RNA nucleotide containing?

What does a nucleotide consist of?Protein-phosphate-baseProtein-sugar-baseAmino acid-sugar-basePhosphate-sugar-base2There are four different bases in DNA, which always pair up in a particular way. Which of the following shows the correct complementary base pairing? A-A, C-C, T-T and G-GA-X and G-CT-A and G-CA-G and T-C3What takes place during transcription?DNA unwinds and mRNA copy is mademRNA threads through a ribosometRNA molecules bring amino acids together to form a chainAmino acid chain folds up to form a protein4In which part of the cell does translation take place? RibosomeNucleusMitochondriaCell membrane5Which of the following statements about protein synthesis is incorrect? There are about 20 different amino acidsThe amino acids that make up a protein can be connected in any orderEach group of three bases codes for one amino acidProteins are made up of amino acids6What term describes a change in a gene or chromosome? A switchA mutationA natural selectionAn alteration

Which of the following is not needed during transcription?ANSWERRibosomesDNA templateRibonucleotidesRNA polymerase

Which enzyme is responsible for replacing the RNA nucleotides with DNA nucleotides?

Select the name of a compound that is present in both DNA and RNA.ThymineUracilRiboseCytosine

How many pyrimidine bases are present in both RNA and DNA?