Answer:
Hydrogen bonds.
Explanation:
The DNA double helix is held together by two main forces: hydrogen bonds between complementary base pairs inside the helix and the Van der Waals base-stacking interaction.
The probability is Ss×ss = Ss, Ss, ss, ss = 50% heterozygous genotype, 50% homozygous recessive genotype = 50% yellow phenotype, 50% phenotype
Hello,
I just learned this yesterday here's what i know...
The process that will be most responsible for replacing lost nitrogen in an ecosystem would be : Fixation
In fixation, the ecosystem biosynthesize various substance from plants, animal, etc and forming a new nitrogen
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Answer:
But if scientists want to know what Earth's climate was like hundreds of thousands to millions of years ago, they study sediment cores and ice cores. Sediment cores come from the bottoms of lakes or the ocean floor. Ice cores are drilled from deep — sometimes miles — below the surface of the ice in places like Antarctica.