There 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-X and G-CT-A and G-CA-A, C-C, T-T and G-GA-G and T-C

During transcription, which of the following shows the correct complementary base pairing of DNA with mRNA?Group of answer choicesA-U and G-CC-A and G-TC-C, G-G, A-A and T-TC-T and A-GA-T and G-C

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

According to the base pairing rules of DNA, if the sequence of bases on one strand was AGGCTTA, what would be the sequence of bases on the complementary strand?

Which answer shows the correct paring of bases?  A-T; C-G   A-A; T-T; C-C; G-G   A-C; T-G   A-G; C-T

In DNA, which type of bonding occurs between the nucleotide bases? aA - B and C - D bA - C and T - G cA - G and U - T dA - T and G - C