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Gala2k [10]
3 years ago
10

What is the function of DNA and mRNA?

Biology
1 answer:
egoroff_w [7]3 years ago
3 0

Answer:During transcription, the DNA of a gene serves as a template for complementary base-pairing, and an enzyme called RNA polymerase II catalyzes the formation of a pre-mRNA molecule, which is then processed to form mature mRNA (Figure 1).

Explanation:

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SOlar Heliospheric Observatory/ACE also provides near-real-time 24/7 continuous coverage of solar wind parameters and solar energetic particle intensities (space weather) /Advanced Composition Explorer (ACE)

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Answer and Explanation:

All cells including the gametes contain chromosomes. Each gamete cell after cell division contains 23 chromosomes. After fertilization, the diploid number of chromosomes which is 46 is restored in the zygote.

Meiosis, a type of cell division, has two phases which eventually lead to the formation of four daughter cells with <u>equal number of chromosomes</u>. Gametes are haploid in nature and thus meiosis I involves separation of homologous chromosomes hence the reduction in the chromosome number. Meiosis II involves separation of sister chromatids in the daughter cells resulting in four daughter cells with 23 chromosomes.

Meiosis ensures that chromosoe number does not double with each successive generation as the resulting daughter cells are gametes, two of which must fuse to form a zygote.

5 0
4 years ago
4. When the difference in the electronegativity of 2 elements is small,
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When the diffrence is small like between Oxygen and Carbon the electrons will be shared. When it is large like in Na and Cl the Cl will steal one electron.

Explanation:

6 0
3 years ago
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