Answer:
Solid Liquid gas and plasma
Explanation:
These are characteristics of matter
Answer:
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Explanation:
Answer:
b. Antibodies are used for Northern blot analysis.
c. VNTRs are highly conserved in human populations.
Explanation:
The northern blot technique is used in molecular biology laboratories for detecting specific RNA molecules in a sample of RNA derived from a particular cell/tissue. Antibodies can be detected by the enzyme-linked immunosorbent assay (ELISA). In ELISA, antigens are used to detect specific antibodies: the addition of the antigen produces a positive reaction i.e., formation of the antigen-antibody binding complex. Subsequently, a second antibody with a particular marker is added to bind with the complex, thereby producing a change in the color and thus evidencing the presence of the target antibody in the sample. On the other hand, the variable number of tandem repeats (VNTR) are short sequences (around 20 to 100 bp) whose number of repetitions varies at specific <em>loci</em> in the genome of many organisms, including humans. Since VNTR sequences exhibit variation in length between individuals of the same species/population, they are widely used as molecular markers to identify individuals, QTL (quantitative trait <em>loci</em>) mapping, establish phylogenetic relationships among individuals/cultivars/lines, etc.
FDA wants the labeling on your sunscreen to tell you more about protection against the sun's harmful rays.
Under a new regulation, the agency has proposed that sunscreen labeling be expanded to provide
a four-star rating system that informs consumers how well the product protects them against "Ultraviolet A" (UVA) light.Information on other ways people can limit their risks to dangers posed by overexposure to sunlight.