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jarptica [38.1K]
2 years ago
10

Which best describes a plasmid I’ll give brainliest pls

Biology
2 answers:
Vanyuwa [196]2 years ago
6 0

Answer:

Plasmids are used in biotechnology.  

Explanation:

A plasmid is a natural or artificially modified circular DNA molecule for use in biological research.

The researchers use the plasmids to insert a DNA fragment of interest, thanks to the cloning cassettes. They can clone genes to express proteins or RNAs and analyze them.

e-lub [12.9K]2 years ago
6 0

Answer:

A plasmid is a small, extrachromosomal DNA molecule within a cell that is physically separated from chromosomal DNA and can replicate independently. They are most commonly found as small circular, double-stranded DNA molecules in bacteria; however, plasmids are sometimes present in archaea and eukaryotic organisms

Explanation:

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Charles Darwin introduced the theory of natural selection as the mechanism for evolution.
Phoenix [80]

Answer:

Hey mate....

Explanation:

This is ur answer.....

<h2><em>True</em></h2>

<em>Darwin and a scientific contemporary of his, Alfred Russel Wallace, proposed that evolution occurs because of a phenomenon called natural selection. In the theory of natural selection, organisms produce more offspring than are able to survive in their environment.</em>

Hope it helps!

Brainliest pls.....

Follow me! :)

4 0
3 years ago
Read 2 more answers
What is the significance of chromosomes crossing over during the prophase stage of meiosis?
Fittoniya [83]
Well, when chromosomes cross over during prophase 1 of meiosis, the homologous pair of chromosomes exchange segments of DNA which happen to be the genes. So the significance of crossing-over during prophase 1 is that it adds genetic variation to sexually reproducing organisms.
7 0
3 years ago
Which of the following is true of metabolism in its entirety in all organisms? aq. Metabolism depends on a constant supply of en
antoniya [11.8K]

Answer:

Metabolism consists of all the energy transformation reactions in an organism. (Ans. B)

Explanation:

Metabolism is defined as the total sum of the chemical reactions which synthesized in every cell of living things and provides energy for formation of new organic materials and vital processes (such as movement, growth, reproduction and development).

In living metabolism, enzyme mediated chemical reactions takes place. Energy which comes from nutrients and solar energy fueling multistep reactions and converting into the molecules which is necessary for maintenance and growth.

7 0
3 years ago
Predict the genotypic ratios of the offspring from crossing the following:
hichkok12 [17]

Answer:

1:2:1

Explanation:

1 chance of having the genotype TT

2 chances of having the genotype of Tt

1 chance of having the genotype of tt

8 0
3 years ago
What are the components of adenosine triphosphate (ATP)?
romanna [79]

At the centre is a sugar molecule, ribose (the same sugar that forms the basis of RNA). Attached to one side of this is a base (a group consisting of linked rings of carbon and nitrogen atoms); in this case the base is adenine. The other side of the sugar is attached to a string of phosphate groups. These phosphates are the key to the activity of ATP.


8 0
3 years ago
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