Answer:c. one fact about a person or an item.
Explanation:
Database table is is made up of fields. A field is simply a data structure for a type-single piece of data.
Fields can be organized into what is known as records, which is one that contain all the information that (groups of the) table entails relevant to a specific entity in context.
To detect immunoglobulin m (IgM)antibodies in an acute phase, blood should be collected 7 days after the onset of infection.
- IgM and IgG antibodies to SARS-CoV-2 may both be found shortly after infection. IgG is typically detectable for extended periods of time, but IgM is most effective for diagnosing recent infection and typically becomes undetectable weeks to months after infection.
- IgM antibody detection is frequently viewed as a sign of an acute infection. Due to cross-reactivity with IgM antibodies to other, closely related bacteria or other interfering chemicals, false-positive IgM findings are, nonetheless, frequently observed.
- A positive IgM result may not always indicate an "acute" infection, and additional testing (such as IgG testing) may be required to interpret results because IgM antibodies may be detectable for 2-4 months (or longer) after disease resolution.
- For many infections, the onset of a measurable antibody response is 5-7 days after the infection. If samples are taken before infection, the initial IgM test results may be negative. Antibody production Immunosuppressed patients may also continue to be seronegative.
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When the population is large and dense.
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Answer:
D. Because the universe is expanding, scientists conclude that in the distant past, all matter was compressed into a single point.
Answer:
Graph D
Explanation:
Enzyme activity will be highest at its optimum temperature.
At temperatures far below the optimum, the enzyme does not possess enough energy to work (i.e. the molecules aren't moving fast enough because of the higher temperature to increase collisions). This is called the activation energy.
At high temperatures, the enzyme can become denatured, warping its shape and catalytic activity. This means its activity will drop quite quickly until it can no longer function.
These features are all displayed in graph D.
