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DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.
Yeah, you might have to reread that a few times, but DNA isn’t an easy topic. It is very complex. I hope this helps!
~Brooke❤️
Measuring blood sugar levels provides information about how well the body manages carbohydrate metabolism. the procedure called ppbs examines blood sugar levels are measured about 2 hours after a meal.
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the answer is 100 grams. the formula for finding mass is density x volume.
i hope this helps!
Answer:
A hydrogen bond is a weak bond formed by the electrostatic attraction that takes place between proton of one molecule and an electronegative atom of another molecule. It can be of two types intra-molecular and inter-molecular.
In water, hydrogen bonds give characteristic properties such as cohesion, high specific heat, high heat of vaporization, a lower density of ice, and solubility.
In DNA, the hydrogen bonds only provide stability to the overall molecule. The two strands of the DNA stay together or remain attached with the help of hydrogen bonds.
The nucleotide base pairs are joined together through hydrogen bonding. The adenine and thymine are joined together with the help of two hydrogen bonds. The cytosine and guanine are joined together with the help of three hydrogen bonds.
Nitrogen
cycle does the most abundant nutrient in earth's atmosphere appear in its
gaseous form. In order organisms make protein, it requires nitrogen. Certain
types of bacteria can directly use nitrogen. Nitrogen fixation is the process
of turning ammonia into nitrogen.
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