Chargaff's Rule
Trending Questions
Q. Which of the following is NOT true with regard to Chargaff’s rules?
- A:T = 1:1
- G:C = 1:1
- A+T : G+C = 1:1
- A+G : T+C = 1:1
Q. In DNA of certain organisms, guanine constitutes 20% of the bases. What percentage of the bases would be adenine?
- 10%
- 20%
- 30%
- 40%
Q. The alternation of gametophytic generation from a sporophytic generation occurs as a result of
- oogamy
- mitosis
- meiosis
- isogamy
Q. State whether true or false:
The ratio A+T/G+C remains constant for a particular species.
The ratio A+T/G+C remains constant for a particular species.
- True
- False
Q. In a DNA, the percentage of thymine is 20 %, then what is the percentage of guanine?
- 20%
- 40%
- 30%
- 60%
Q. The amount of cytosine is equal to amount of thymine and similarly, the total amount of adenine is equal to the total amount of guanine.
- False
- True
Q. In sea urchin DNA, which is double-stranded, 17% of the bases were shown to be cytosine. The percentages of the other three bases expected to be present in this DNA are:
- G - 8.5 %, A - 50 %, T - 24.5 %
- G - 34 %, A - 24.5 %, T - 24.5 %
- G - 17 %, A - 16.5 %, T - 32.5 %
- G - 17 %, A - 33 %, T - 33 %
Q. The complementary DNA strand for ATGGCTTGCAATGCT is
- TACCGAACGTTACGC
- TACCGAACGATACGA
- TACCGAACGTTACGA
- TACCGACCGTTACGA
Q. Which one of the following is wrongly matched?
- Uniflagellate gametes - Polysiphonia
- Gemma cups - Marchantia
- Unicellular organism - Chlorella
- Biflagellate zoospores - Brown algae
Q. Which of the following undergoes meiosis in algae?
- Aplanospore
- Zygote
- Zoospore
- Algae never undergo meiosis as they are haploid