Plant cells have cell walls, while animal cells don't have cell walls.
Answer:
The term technology applications refers to software and systems, run on school equipment, that support important administrative and instructional functions. ... Security systems, such as firewall technology, secure transmission systems, and antivirus software.
Explanation:
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Answer:
A. a developing nation
Explanation:
Age pyramids are the age structure diagrams that represent the number and proportion of people at each age in a population. The base of the age pyramids represents the population in pre-reproductive age which is from 0 to 10 years. The overall shape of an age pyramid indicates if the population is increasing, stationary, or shrinking.
The age structure diagram for a developing nation has a broad base that tapers quickly towards the top. This means that a larger percentage of the population is in the pre-reproductive age group and reproductive age group with a smaller percentage of the population in the post-reproductive age. These countries have a great chance of future population growth.
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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