Biology
The pyrimidine bases of DNA are:
- Adenine and Guanine
- Guanine and Cytosine
- Adenine and Thymine
- Thymine and Cytosine
Related Questions
The lengthwise arrangement of DNA mainly consists of a phosphate group attached with :
- Hexose sugar
- Purines
- Pentose sugar
- Pyrimidines
The number of histone proteins associated with the DNA in a nucleosome is:
- 6
- 8
- 4
- 1
The female gamete/egg cell of a human cell will have:
- 44 + XX chromosomes
- 44 + XY chromosomes
- 22 + X chromosomes
- 22 + Y chromosomes
The figure given alongside was shown to students of class 10 in the laboratory under a compound microscope. They were told to observe the slide, identify the stage of mitotic cell division and mention the number of chromosomes which would be found in the daughter cells. Which of the following will be the correct response?
- Anaphase, 8 chromosomes
- Metaphase, 8 chromosomes
- Anaphase, 4 chromosomes
- Telophase, 4 chromosomes