molecular biology (Q bank)

What is the process for making another DNA copy of a chromosome?

• replication

• transcription

• translation

• chromatin

Which choices describe DNA replication?

• semiconservative

• produces two pieces of DNA identical to the original

• products are half original and half new

• all of the above

Where in the cell does DNA replication occur?

• always the cytoplasm

• always the nucleus

• in the cytoplasm in eukaryotes and the nucleus in prokaryotes

• in the cytoplasm in prokaryotes and the nucleus in eukaryotes

What is the enzyme responsible for DNA replication?

• DNA polymerase

• RNA polymerase

• ribosome

• nucleolus

What does DNA polymerase do?

• connects sugars and phosphates with weak hydrogen bonds

• connects sugars and phosphates with strong covalent bonds

• connects bases with strong hydrogen bonds

• connects bases with strong covalent bonds

What are the 2 functions of DNA polymerase?

• makes DNA and RNA

• makes DNA and protein

• makes DNA and fixes its mistakes

• makes RNA and protein

What is the process of making an RNA copy of a gene?

• replication

• transcription

• translation

• nucleosomes

Where does transcription take place in a cell?

• always in the nucleus

• always in the cytoplasm

• in the nucleus in eukaryotes and the cytoplasm in prokaryotes

• in the cytoplasm in eukaryotes and the nucleus in prokaryotes

What enzyme is responsible for transcription?

• DNA polymerase

• RNA polymerase

• ribosomes

• nucleolus in the nucleus

Which of the following describes the product of transcription?

• contains ribose and U''s

• contains deoxyribose and T's

• contains ribose and T's

• contains deoxyribose and U's