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
Question
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
Solution
Sure, here are the answers to your questions:
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A nucleotide consists of a Phosphate-sugar-base.
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The correct complementary base pairing in DNA is A-T and G-C.
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During transcription, DNA unwinds and an mRNA copy is made.
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Translation takes place in the Ribosome part of the cell.
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The incorrect statement about protein synthesis is that the amino acids that make up a protein can be connected in any order.
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A change in a gene or chromosome is described as a Mutation.
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