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Bingel [31]
3 years ago
11

In nucleotide excision repair, damaged dna is excised by what enzyme(s)?

Biology
1 answer:
Mars2501 [29]3 years ago
5 0
<span>Damaged dna is excised by endonuclease.
   Three excision repair pathways exist to repair single stranded DNA damage: Nucleotide excision repair (NER), base excision repair (BER), and DNA mismatch repair (MMR).</span>
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A commensal bacterium?
Otrada [13]

Answer

Commensal bacteria stimulate the immune system of the host to enhance defense mechanisms that block pathogen entrance and colonization.  Moreover, by creating antimicrobial properties and signals & fighting with other bacteria for food and attachment sites, such bacteria might effectively limit the spread of respiratory infections. In healthy animals, the majority of commensal bacteria live inside the intestine's lumen, although some are also found in immediate contact with the intestinal epithelium. New studies have shown that commensal bacteria may live in stable stomach lymphoid tissues. But every once in a while, especially when they travel to other areas and leave their natural habitat, these commensal bacteria might cause illness. In both old and very and also in young persons, it can spread throughout the rest of the body, causing pneumonia, infection, and meningitis.

You can learn more about commensal bacterium from the following link:

brainly.com/question/28474277

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6 0
1 year ago
What would have to be done to a plant oil to transform it to a trans fat in simple molecule terms?
ivann1987 [24]
<span>In order to understand trans fat, you must understand the prefix. Trans and cis are prefixes that mean opposite and same side, just like transgender people identify with a gender that is not in line with their biological sex, and cisgender people identify with their biological gender. Cis fat describes the fatty acids attached to the glycerol in triglycerides. Cis fats have hydrogen attached to the carbon chain just like trans fats, but at one, two, or more places on the chain, two hydrogen atoms attached on the same side, and the fatty acid chain gets bent, making the collection of fats less dense and therefore healthier for you and I. Trans fats have hydrogen atoms on alternating sides all the way down the chain, making them denser and solid at room temperature. In order to turn a plant oil (cis fat) into trans fat, the cis fat has to be blasted with hydrogen in order to turn the fatty acid chains from cis to trans. This adds more energy to the fats while also making them denser, which turns olive oil into a butter-like substance.</span><span />
7 0
3 years ago
A diseased cell is no longer able to produce proteins. Which cell structure is most likely malfunctioning?
IRINA_888 [86]

Answer:

The ribosomes

Explanation:

Ribosomes are the organelle that produce proteins within eukaryotic and prokaryotic cells- taking information from the DNA in order to produce proteins.

Other organelles may be held responsible for the lack of protein production, but in this case it is most likely the ribosome.

4 0
3 years ago
List 5 examples of matter and five examples that are not matter. Explain your answers.
horsena [70]
Matter: Gases,plasma,melting &freezing, solids, vapor
Not Matter: time,sound,sunlight,heat,gravity
6 0
3 years ago
Read 2 more answers
Which two organelles are found in plant cells but not animal cells
Inessa [10]
A large central vacuole, and chloroplasts. 
8 0
3 years ago
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