Biology
Given below is a schematic diagram of a portion of DNA.
(a) How many strands are shown in the diagram?
(b) How many nucleotides have been shown in each strand?
(c) Name the parts numbered 1,2,3,4 and 5 respectively.
(d) Name the DNA unit constituted by the parts 1, 2 and 3 collectively.
Related Questions
Write full form of the following abbreviations:
(a) DNA
(b) RNA
Given below are the sets of four terms. Choose the odd one and write the category of the remaining terms:
(a) Adenine, Guanine, Adrenaline, Thymine
(b) Pentose sugar, Histones, Phosphate group, Nitrogenous bases
(c) Metaphase, Anaphase, Interphase, Telophase
(d) G1 phase, M phase, G2 phase, S phase
(e) Chromoplast, Chromosome, Chloroplast, Leucoplast
The diagram below represents a stage during cell division. Study the same and then answer the questions that follow:
a. Name the parts labelled 1, 2 and 3.
b. Identify the above stage and give a reason to support your answer.
c. Mention the type of cells in our body where this type of cell division occurs.
d. Name the stage prior to this stage and draw a diagram to represent the same.
Draw a labelled diagram to show the metaphase stage of mitosis in an animal cell having "6" chromosomes.