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प्रश्न
Synthesis phase in the cell cycle is called so, because of the synthesis of more:
A. RNA
B. RNA and proteins
C. DNA
D. Glucose
उत्तर
DNA
(DNA synthesis occurs during the S-phase of the cell cycle.)
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संबंधित प्रश्न
Fill in the blank
The _______ (s) are surrounded by radiating rays called aster
Choose the correct answer:
Chromosomes appear at equator in ____________
Mention the contribution of the scientist given below in the study of chromosome:
Balbiani
Mention the contribution of the scientist given below in the study of chromosome:
Waldeyer
Write a sentence of the following:
Telomere
Label the lettered parts of the given figure and answer the following questions:
(i) What does this diagram represent?
(ii) What is the importance of'd'?
(iii) What are the 'staining' properties of 'b' and 'c'?
(iv) Who gave the term used for this structure today?
(v) What is a?
(vi) Is 'e' present in all chromosomes?
Choose the correct answer:
Chromosomes are thin and thread like at __________
Choose the correct answer:
Telocentric chromosomes are _________________
Explain the Term Centrioles
Multiple Choice Question:
After mitotic cell division, a female human cell will have
State the Location: Chromosomes
Write the functional activity of the following structure:
Chromosomes
Column ‘II’ is a list of items related to ideas in Column ‘I’. Match the term in Column ‘II’ with a suitable idea given in Column ‘I’.
| Column I | Column II |
| Genetics | Chromosomes are similar in size and shape. |
| Autosomes | The alternative forms of a gene. |
| Recessive gene | Study of laws of inheritance of characters |
| Allele | A gene that can express only when in a similar pair. |
| Homologous chromosomes | Chromosomes are other than the pair of sex chromosomes. |
With the help of a neat labelled diagram, describe the structure of chromosome.
Describe the structure of sex chromosomes with the help of labelled diagram.
Explain the structure of a chromosome.
Normally, genes occur in a pair of chromosome, but genes of X and Y chromosomes shows different gene loci indicating ______.
Define the following term:
Chromatid
In the human male, a sperm contains autosomes and ______.
