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Bacteria are prokaryotes, that is, the DNA molecule is not enclosed in a membrane-bound nucleus as it is in the eukaryotes. In bacteria the DNA lies free in the cytosol in a region known as nucleoid. This is denser than the rest of the cytosol because of the presence of DNA and related protein molecules. Also the DNA in bacteria is not broken up in thread-like chromosomes but is a ring-like circular and continuous structure.
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Is mitochondria made up of cytoplasm?
Mitocondria have the same structure as bacteria: outer lipid bilayer membrane, cytoplasm, large ring shaped DNA chromosome, small ring shaped DNA plasmids.
Many diabetics are now using insulin that was made by certain bacteria The ability of these bacteria to produce insulin was most likely the result of?
genetic engineering techniques such as recombinant DNA technology, where the gene encoding for insulin production was introduced into the bacterial DNA. These bacteria then use this genetic information to produce insulin, which can be harvested for diabetic treatment.
What does the medical abbreviation FCB mean?
FCB means fecal coliform bacteria - rod-shaped bacteria usually found in the feces.
What carries recombinant dna into bacteria?
A common method to introduce recombinant DNA into bacteria is through a process called transformation. In this process, bacteria are made competent to take up foreign DNA, usually through chemical treatment or electroporation. Once inside the bacteria, the recombinant DNA can replicate and be expressed.
What is a single shaped bacteria?
Single spiral shaped bacteria form in clusters, called a mass. a spiral shaped bacteria is called a spirochetes
Which best describes transduction in bacteria?
Bacteria transfer DNA with a bacteriophage.
What is the definition to rod shaped bacteria?
Rod-shaped bacteria are bacteria that have a cylindrical shape, resembling a rod or cylinder. They are often referred to as bacilli and can vary in length and width. Examples of rod-shaped bacteria include Escherichia coli and Bacillus subtilis.
What is Rhizobium shape?
Rhizobium is a type of bacteria that usually appears as rod-shaped or elongated cells. These cells can sometimes be found in pairs or chains.
Are bacteria rod shaped?
The natural water sample contains at least two types of bacteria. Bacilli Bacteria are the rod-shaped bacteria.
Is DNA usually single-stranded?
DNA is double stranded Except in bacteria and some viruses and chloroplast and mitochondrial DNA
What shape is Bacilli?
Bacilli are usually in rod shaped form. They can consist of gram negative and gram positive bacteria.
What is the difference between a spore and a coccus-shaped bacteria?
A spore is a dormant, resistant structure formed by some bacteria for survival in harsh conditions, while cocci-shaped bacteria are spherical in shape. Spores can be produced by various bacteria, including cocci-shaped bacteria, but not all cocci-shaped bacteria produce spores.
