Biology questions
20584 published questions with worked solutions.
- Griffith’s experiment proved that
- Hershey and Chase used ____ and _____ to label DNA and protein respectively.
- Genes are the segments of __A__ present on the __B__. They are responsible for a particular __C__. Choose the correct option for...
- Nucleic acids are the heredity material. This statement was proposed by
- Experimental organism used by Frederick Griffith was
- A nucleosome is a portion of the chromonema containing
- Naked DNA without histone is found in
- Nucleosomes constitutes the repeating unit of a structure in a nucleus called
- Positively charged basic proteins that are found in eukaryotes are called
- Find out the number of base pairs in E. coli DNA, if its DNA is 1.36 mm long.
- Lightly stained part of chromatin which remains loosely packed is
- How many base pairs of DNA helix are contained in a typical nucleosome?
- The two polynucleotide chains in DNA are
- DNA replication includes
- Definite region in DNA where replication starts is called
- The replication occur within the small opening of DNA helix referred to as
- For long DNA molecules, the two strands of DNA cannot be separated in its entire length due to the requirement of
- Which of the following is a major difference in replication in prokaryotes and eukaryotes?
- E.coli replicate its entire genome in
- The main enzyme which use a DNA template to catalyse the polymerization of deoxynucleotides is