1.. What is the name of the process in which tRNA is involved in making proteins?
A. transcription
B. translation
C. mitosis
D. replication
2..Which pathway is correct?
A. DNA to proteins to RNA
B. RNA to DNA to proteins
C. proteins to RNA to DNA
D. DNA to RNA to proteins
3.. Which statement describes a step in DNA replication?
A. New bases are built by the original strands.
B. The paired bases release many types of proteins.
C. The double helix unwinds, and each side is a template for a new strand.
D. The DNA is cut into pieces using polymerase enzymes.
4. According to the base-pairing rules for DNA, which of the following statements is not true?
A. A always pairs with T.
B. C always pairs with G.
C. T always pairs with G.
5. What happens to mRNA after it completes transcription?
A. It enters the cytoplasm and moves toward ribosomes.
B. It leaves the cytoplasm through the cell membrane.
C. It becomes part of the nucleolus.
D. It remains in the nucleus.
6.. Which two types of RNA pair up using a codon-anticodon link?
A. mRNA and tRNA
B. tRNA and itself
C. mRNA and rRNA
A. transcription
B. translation
C. mitosis
D. replication
2..Which pathway is correct?
A. DNA to proteins to RNA
B. RNA to DNA to proteins
C. proteins to RNA to DNA
D. DNA to RNA to proteins
3.. Which statement describes a step in DNA replication?
A. New bases are built by the original strands.
B. The paired bases release many types of proteins.
C. The double helix unwinds, and each side is a template for a new strand.
D. The DNA is cut into pieces using polymerase enzymes.
4. According to the base-pairing rules for DNA, which of the following statements is not true?
A. A always pairs with T.
B. C always pairs with G.
C. T always pairs with G.
5. What happens to mRNA after it completes transcription?
A. It enters the cytoplasm and moves toward ribosomes.
B. It leaves the cytoplasm through the cell membrane.
C. It becomes part of the nucleolus.
D. It remains in the nucleus.
6.. Which two types of RNA pair up using a codon-anticodon link?
A. mRNA and tRNA
B. tRNA and itself
C. mRNA and rRNA