Answer:
Both deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) are composed of nucleotides. A nucleotide is composed of three smaller molecules; a five-carbon, a phosphate group, and a nitrogenous base.
A DNA nucleotide contains the five-carbon sugar deoxyribose, a phosphate group, and one of four nitrogenous bases; adenine (A), guanine (G), cytosine (C), and thymine (T).
RNA contains the five-carbon sugar ribose, a phosphate group, and one of four nitrogenous bases; adenine (A), guanine (G), cytosine (C), and uracil (U). Uracil takes the place of thymine (T).
Both thymine and uracil pair with adenine.
So DNA and RNA nucleotides differ according to which five-carbon sugar is present, and whether the nitrogenous base thymine or uracil is present. DNA contains the sugar deoxyribose, while RNA contains the sugar ribose. DNA contains the nitrogenous base thymine, while RNA contains the nitrogenous base uracil.
Explanation:
“a restriction enzyme is an enzyme that cuts DNA after recognizing a specific sequence of DNA. You can think of restriction enzymes as molecular scissors. Scientists can use restriction enzymes to cut a single gene from a larger piece of DNA. ...They evolved in bacteria” (study.com)
so, they are used to cut DNA into smaller pieces(:
Answer:They almost always consist of 4x, 10x, 40x and 100x powers. When coupled with a 10x (most common) eyepiece lens, we get total magnification of 40x (4x times 10x), 100x, 400x, and 1000x.
Explanation:
