Answer:
I think that it's A.
Explanation:
It's not D, because A & C contrast each other.
Answer: The hydrogen bonds holding the base pairs together in a DNA molecule are relatively weak compared to other chemical bonds. ... The new nucleotides join together to form the sugar-phosphate backbone of a new strand of DNA. The result is two DNA molecules identical to the original.
Explanation:
<span>The bottleneck effect is the cause of the sudden shift in the genetic information of the population. Due to the landslide, suddenly high number of the members of the main population died, and this caused genetic drift for reducing the variation in the existing generation, which is now widely different from the original one.</span><span />
The collective effective dose is the sum of the individual doses received in a given period by a specific population from exposure to a specific source of radiation. It is the dose Quantity S, calculated as the sum of all individual effective doses over the time period or during the operation being considered due to ionizing radiation. It may be used to estimate the total health effects of a process or accidental release involving ionizing radiation to an exposed population.
The correct order is:
<span>2) The hormone passes across the cell membrane into the cell.
</span><span>1) The hormone binds to a receptor and forms a hormone-receptor complex.
</span><span>4) The hormone-receptor complex enters the nucleus and binds to regions of DNA.
</span><span>5) Specific genes are transcribed to mRNA.
</span><span>3) mRNA moves into the cytoplasm and directs protein synthesis.
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