Answer: C. Between deoxyribose sugar and phosphate group in a DNA nucleotide.
Explanation:
Hydrogen is a very important element in the planet due to the many uses of its compounds for example, water. Hydrogen is also very important to humans as it is integral to DNA formation.
Hydrogen bonds exist in the DNA nucleotide to ensure that different strands are connected to each other. These strands are composed of bonds between deoxyribose sugar and phosphate groups.
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Answer:
c. This statement is true because plants are able to convert sun energy into food energy and animals must get their energy from plants or other organisms that eat plants.
Explanation:
Green plants are autotrophs. They synthesize their food in the presence of sunlight, using carbon dioxide gas and water. Whereas animals are heterotrophs, they cannot make their food but use food prepared by green plants. Thus, plants are able to convert sun energy into food energy and animals must get their energy from plants or other organisms that eat plants. The statement is true.
<span>The size of plasmids<span> ranges
between 1 and 200 kbp (kilo-base pairs) and a DNA fragment that can be
inserted into a </span>plasmid vector is up
to 20 kbp. Artificially constructed plasmids are often used as vectors in
genetic engineering to clone and amplify (or express) particular genes. </span>
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