21)The enzymes catalyzes the elongation of a DNA strand in the 5\'--- 3\' direct

ID: 83704 • Letter: 2

Question

21)The enzymes catalyzes the elongation of a DNA strand in the 5'--- 3' direction is ______

22) Which enzyme add nucleotides to the end of a growing DNA strand_____

24) If a cell were unable to produce histone proteins then the cell's DNA couldn't be packed into its_____

25)In a nucleosome,the DNA is wrapped around ______

26)A particular triplet of bases in the template strand of DNA is 5' AGT 3'.The corresponding codon for the mRNA transcribed is_______

27) RNA polymase moves in which direction along the DNA?_______

28)An RNA with enzymatic activity is called a_______

29) What are the coding segments of a stretch of eukaryotic DNA called?________

30)A particulat triplet of bases in the coding sequence of DNA is AAA.The anticodon on the tRNA that binds the mRNA codon is_______

31) What is the most abundant type of RNA?

32)Groups of ribosomes reading a single mRNA simultaneously is called?

33)Sickle-cell disease is probably the result of which kind of mutation?

34)The nitrogenous base adenine is found in all members of which group?

35)If cytosine makes up 18% the thymine percentage must be_________

Answers :-

21.DNA POLYMERASE III.

22.DNA polymerase III.

23.It is missing! No question!

24.chromosome.

25.Histone proteins.

26.3'UCA 5'

27.5 prime to 3 prime direction.

28.Ribozyme.

29.Exon.

30.AAA.

31.r-RNA.

32.Polysomes.

33.Point mutation.

34.ATP,RNA,DNA.

35.Thymine 32%.

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