During DNA replication, the enzyme responsible for removing RNA primers and replacing them with DNA is:
DNA polymerase III
DNA ligase
Primase
DNA polymerase I
Related Questions
All of the following are necessary characteristics of a molecule serving as genetic material EXCEPT its ability to:
Replicate accurately
Undergo mutations
Store information
Be transcribed or translated
Which of the following statements accurately describes a characteristic of homologous chromosomes?
They carry genes for the same traits at corresponding loci.
They are identical copies of each other.
They are always inherited from the same parent.
They are only present in somatic cells.
Chemical basis of heredity is?
DNA
RNA
Histones
None
‘It has not escaped our notice that the specific pairing we have postulated immediately suggests a possible copying mechanism for the genetic material’. This is written by
Meselson and Stahl
Archibold Garrod
Severo Ochoa
Watson and Crick
Which statement is FALSE regarding homologous chromosomes?
They are separated during meiosis I.
They carry genes for the same traits.
They are identical copies of each other.
They pair up during meiosis.
During which stage of meiosis do homologous chromosomes pair up?
Prophase II
Metaphase I
Anaphase I
Prophase I
A bacterial strain has a mutation in the gene encoding DNA gyrase. Which antibiotic would likely be ineffective against this strain?
Penicillin
Tetracycline
Ciprofloxacin
Erythromycin
A molecule suitable to be the carrier of genetic information should possess all these qualities EXCEPT:
Ability to replicate
Stable structure
Capacity to express information
High reactivity
The exchange of genetic material between non-sister chromatids of homologous chromosomes is known as:
Independent assortment
Synapsis
Crossing over
Random fertilization
Which of the following is NOT a crucial characteristic for a molecule to serve as genetic material?
Stable
Replicable
Capable of expressing information
Readily degradable
