Answer:
I think it is A
Have you ever seen the movie Home it is a cute movie.
The circle of illumination just touches (but does not illuminate) the antarctic circle on or about June 21. The Earth is tilted, and this tilt leads to the southern and the northern part of the Earth having the day length variation. June, 20-22, is considered the summer solstice, where the length of the day in the northern hemisphere is longest whereas in the southern hemisphere it is the shortest. During this period, the circle of illumination or the rays from the Sun, barely touch the Antarctic circle. This causes darkness and night in Antarctica.
The technology that was used to produce the results illustrated in the image is gel electrophoresis and it is used for separating deoxyribonucleic acid (DNA) fragments.
Gel electrophoresis can be defined as a technology that is used in the laboratory for the separation of mixtures of deoxyribonucleic acid (DNA), ribonucleic acid (RNA) or other macromolecules such as proteins based on molecular size and charge.
In gel electrophoresis, an electric current is applied to the deoxyribonucleic acid (DNA) samples so as to create fragments that can be used to compare the various samples of deoxyribonucleic acid (DNA).
The steps involved in gel electrophoresis include the following:
- Extraction of deoxyribonucleic acid (DNA).
- DNA isolation and amplification.
- Addition of deoxyribonucleic acid (DNA) to the gel wells.
- Application of an electric current to the gel.
- The separation of DNA bands based on molecular size and charge.
- Deoxyribonucleic acid (DNA) bands are stained.
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Hi there!
Most native species that evolved with their habitat also have an array of natural predators and parasites to keep the population in check. The exception to this is invasive species. Such species are usually introduced into a habitat artificially and lack the natural predators and parasites present in their original home.
Therefore, the type of species that normally reproduces quickly with little to no predators to control the population are invasive species.
Answer:
False
Explanation:
Reactants are the starting materials of a chemical reaction.
hope it helps!