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Write the Oparin and Haldane hypothesis ...

Write the Oparin and Haldane hypothesis about the origin of life on Earth. How does meteorite analysis favour this hypothesis?

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### Step-by-Step Solution: 1. **Introduction to Oparin and Haldane Hypothesis**: - The Oparin and Haldane hypothesis, proposed independently by Alexander Oparin and J.B.S. Haldane in the 1920s, suggests that life on Earth originated from simple organic compounds through a series of chemical reactions. This process is known as "chemical evolution." 2. **Formation of Organic Molecules**: - According to the hypothesis, the early Earth had a reducing atmosphere, rich in gases like methane, ammonia, hydrogen, and water vapor. Under the influence of energy sources such as UV radiation, lightning, or volcanic activity, these gases could react to form simple organic molecules (like amino acids, sugars, and nucleotides). ...
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TRUEMEN BIOLOGY ENGLISH-GENETICS AND EVOLUTION -SECTION-B
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  2. What are the functions of (i) methylated guanine cap? (ii) poly...

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  3. Do you think that the alternate splicing of exons may enable a structu...

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  4. Comment on the utility of variability in number of tansem repeats duri...

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  5. Write the full of VNTR. How is VNTR different from 'Probe' ?

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  6. A non-haemophilic couple was infomed by their doctor that there is pos...

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  7. In a particular plant species majority of the plants bear purple flowe...

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  8. A cross between a red flower bearing plant and a white flower bearing ...

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  9. In a typical monohybrid cross the F(2)-population ratio is written as ...

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  10. Work out a cross to find the genotype of a tall pea plant. Name the ty...

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  11. (a) Write the specific features of the genetic code AUG (b) Explain...

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  12. Arrange the following groups of plants in an ascending evolutionary s...

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  13. While creation and presence of variation is directionless, natural sel...

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  14. Gene flow occurs through generations. Gene flow can occur across langu...

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  15. When we say ' survival of the fittest ' , does it mean that (a) tho...

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  16. Enumerate three most characteristic criteria for designating a Mendeli...

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  17. Migration may enhance or blurr the effects of selection' comment.

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  18. How do darwin' s finches illustrate adaptive radiation ?

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  19. List the two main propositions of Oparin and Haldane.

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  20. Write the Oparin and Haldane hypothesis about the origin of life on Ea...

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