Question

1. A is a unit of nucleic

Select the appropriate term from the table below to complete eacALUlllllell. tRNA rRNA replication transcription translation DNA. deletion translocation frame shift nucleus a l. A Duckohde unit of nucleic acid containing a sugar attached to is a phosphate group and a base. 2. The site of transcription is the the ribosome moves along the mRNA. 3. In the process of 4. A class of RNA molecules which is linked directly with protein synthesis, and is in the form oflarge and small subunits of a cytoplasmic structure is called Part 2. If the term underlined in each statement is correct write the letter "C" on the line provided. If the terms underlined in each statement is incorrect than write the term or terms, on the line, which will make the statement correct. The nucleotide bases found only in RNA and not in DNA is thymine. The class of RNA molecules that carries the amino acids that are added to the growing polypeptide chain is tRNA. During translation immediately after the first and second tRNA molecules become attached side by side on the mRNA, a hydrogen bond is formed between adjacent amino acids. In the genetic code, twenty bases on the DNA code for a single amino acid. The major lipid involved in transcription is RNA polymerase. 10. The one strand of DNA used as a template in the making of mRNA during transcription, is the template strand.

Answer 1

1.Nucleotide

2.Nucleus

3.Translation

4.rRNA

5.Incorrect .The nucleotide bases found only in RNA and not in DNA is uracil.

6.Correct (C)

7.Incorrect.During translation immediately after the first and second tRNA molecules become attached side by side on the mRNA,a peptide bond is formed between adjacent aminoacids.

8.Incorrect.In the genetic code, three bases on the DNA code for a single aminoacid.

9.Incorrect.The major enzyme involved in transcription is RNA polymerase.

10.Correct (C)