In uvrabc repair, the excision step involves removing the damaged region (usually 12 nt). sometimes a general 5' to 3' exonuclease degrades the damaged region. what is the name of the uvrabc repair system protein that sometimes participates in excision by unwinding the damaged region first, before it is degraded by nuclease action?
Answers
The UvrB protein plays a crucial role in the UvrABC repair pathway by unwinding the DNA to expose the damaged region, which can then be excised by a nuclease.
The UvrABC repair system is a highly conserved DNA repair pathway found in both prokaryotic and eukaryotic organisms. It is involved in the repair of bulky lesions in DNA, such as those caused by UV radiation, which can lead to the formation of thymine dimers. The UvrABC system involves several proteins, including UvrA, UvrB, and UvrC, which work together to detect, excise, and repair damaged DNA.
During the excision step of the UvrABC repair pathway, the damaged region is typically removed by a general 5' to 3' exonuclease. However, sometimes the UvrB protein participates in the excision by unwinding the damaged region first before it is degraded by nuclease action.
UvrB is a DNA helicase that is able to unwind DNA in an ATP-dependent manner. It binds to the damaged site and begins to unwind the DNA, creating a bubble that exposes the damaged region. This allows the nuclease to access the damaged region and excise it from the DNA strand.
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Related Questions
55. Which of the following molecules can be used as a substrate for cellular respiration?
A) glucose
B) lipids
C) proteins
D) fatty acids
E) All of these.
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Describe in detail any four types of inheritance with example
classes. Represent each type with suitable diagram.
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The types of inheritance include:
SINGLE INHERITANCE MULTIPLE INHERITANCEHIERARCHICAL INHERITANCE MULTILEVEL INHERITANCE How to explain the information1) SINGLE INHERITANCE : A child/derived class is derived from only one parent/base class.
EXAMPLE : Dog Class inherits the Animal class.
2) MULTIPLE INHERITANCE : A child/derived class is derived from more than one parent/base class.
EXAMPLE : A class Bat is derived from base classes Mammal and WingedAnimal.
3) HIERARCHICAL INHERITANCE : More than one child classes are derived from single class.
EXAMPLE : Physics, Chemistry and MAths are derived from Science Class.
4) MULTILEVEL INHERITANCE : A derived/child class is derived from a parent class which is derived from a single parent class.
EXAMPLE : Babydog inherits the Dog class which again inherits the animal class.
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When a urine specimen is tested for the presence of glucose to monitor diabetes mellitus, the test is called a(n):________
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When a urine specimen is tested for the presence of glucose to monitor diabetes mellitus, the test is called an urine glucose testing.
The presence of glucose in the urine is called glycosuria or glucosuria. A glucose in urine test may be part of a urinalysis, a test that measures different cells, chemicals, and other substances in your urine. Urinalysis is used to check your general health. In the past, urine glucose testing was used to screen for or monitor diabetes.
These tests are done to check High blood sugar, the primary cause of glucose in urine, indicates potentially serious conditions. Since sugar in urine indicates conditions like diabetes, kidney disease, and hereditary abnormalities, sugar in urine demands immediate and urgent medical attention.
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Maintaining homeostasis keeps the internal environment in the body functioning properly. Many organ systems work together and
maintain energy homeostasis. The digestive system is concerned with processing the food that we take in to provide essential
nutrients to the rest of the body. Which of these body systems works most directly with the digestive system in the absorption of
nutrients?
Answers
Answer:
it should be the Small Intestine
Musculo que tiene las características tanto de musculo esquelético como de musculo liso. Se encuentra en el corazón y sus contracciones son involuntarias
ayuda por favor
Answers
Answer:
El músculo estriado cardiaco es una forma especializada de músculo estriado, conforma la pared del corazón, cuya contracción rítmica es involuntaria.
In contrast to dextrins, limit dextrins contain some
A• glucoses molecules linked by 1-6 bonds
B. glucose molecules linked by 1-4 bonds
C• only fructose molecules
D• glucosed molecules linked by 1-1 bonds
Answers
In contrast to dextrins, limit dextrins contain some glucose molecules linked by 1-6 bonds.
Limit dextrins are intermediate products formed during the enzymatic breakdown of starch. They are characterized by having branched structures, with glucose molecules connected by 1-4 and 1-6 glycosidic bonds. While dextrins primarily consist of glucose molecules linked by 1-4 bonds, limit dextrins contain additional branches created by the presence of 1-6 bonds. These branched structures contribute to the unique properties and functions of limit dextrins in various biological and food-related processes.
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the nervous system as a whole is divided into how many main subdivisions?
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The nervous system as a whole is divided into two main subdivisions: the central nervous system (CNS) and the are in peripheral nervous system (PNS). The CNS is composed of the brain and spinal cord, while the PNS includes all the in nerves that extend the CNS to the rest of the body.
The CNS is responsible for processing and coordinating information received from the sensory organs and initiating motor responses. It also plays a role in higher cognitive functions such as learning, memory, and emotion. The spinal cord acts as a pathway for nerve impulses to travel to and from the brain, and also has some reflex control over certain actions. Within the autonomic nervous system, there are two divisions: the sympathetic nervous system and the parasympathetic nervous system.
The nervous system can be divided into two main subdivisions, the central nervous system, which consists of the brain and spinal cord, and the peripheral nervous system, which includes all nerves and ganglia outside the CNS are in responsible for processing and integrating information received from the PNS, while the PNS is responsible for a in transmitting signals between the CNS and the rest of the body. The PNS is further divided into the somatic nervous system, which controls voluntary muscle movements, and the autonomic nervous system, which controls involuntary functions such as digestion and heart rate.
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How is a brain injury classifled ?
Answers
Brain injury classified as an injury of the central nervous system.
The Diagram shows a plant cell with several structures numbered?
Answers
No.2 - Ribosomes
This organelle really help in protein synthesis. By coping some RNA and making some amino acids id im not wrong..No.6 - Golgi Body
The golgi function is to modifies protein that have been delivered in transport system.Also involnved in lipids transport outside of the cell.For modetator that see this#Moderators please don't be mean, dont delete my answers just for approval from your senior or just to get the biggest moderation daily rank. This answer is long and take a lot of my time, how can you just instanly delete this?
Which two of the following sentences from the article include CENTRAL ideas of the article?
1. When a top predator is removed, everything else will be affected in some way, like a falling row of dominoes. 2. With no otters to eat them, populations of sea urchins and other marine invertebrates exploded. 3. Scientists have learned more about trophic cascades, and they have started to reintroduce some top predators back into their ecosystems. 4. There, sea urchins are decreasing, kelp forests are expanding and marine biodiversity is increasing
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Central idea of this article is a concept of trophic cascades, which refers to the effects that removing or adding top predators can have on an ecosystem. With no otters to eat them, populations of sea urchins and other marine invertebrates exploded and Scientists have learned more about trophic cascades, and they have started to reintroduce some top predators back into their ecosystems.
The correct option is 2 and 3
With no otters to eat them, populations of sea urchins and other marine invertebrates exploded. highlights the consequences of removing a top predator, as the population of sea urchins and other invertebrates exploded without otters to keep them in check.
Statement 3 highlights the importance of understanding the role that top predators play in maintaining balance in an ecosystem, and the potential benefits of reintroducing them in areas where they have been removed.
Hence 2 and 3 are the correct option
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Need Help ASAP Ill give brainliest Plz HELP!
Answers
Answer:
1. Nucleus
2. atom
3. electrons
4. ion
5. neutron
6. Proton
7. isotopes
Explanation:
explain elementarycanal
Answers
Answer/Explanation:
The alimentary canal is a muscular tube extending from the mouth to the anus. It is also called the digestive tract or the gastrointestinal tract.
It forms a large part of the digestive system.
It functions in the digestion and absorption of food and the elimination of waste
sometimes during their orbits, the moon &’ the earth form a line with the sun. when this happens, an eclipse occurs. there are two kinds of eclipse- lunar &’ solar. can you identify them? identify each eclipse seen here. then match the descriptions to the correct term/phrase.
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Answer:
The pic on the right is a solar eclipse and the one on the left is a lunar eclipse. Lunar eclipse only happens when the sun and moon are directly aligned in front of the sun. A lunar eclipse occurs when the Moon moves into the Earth's shadow. This can occur only when the Sun, Earth, and Moon are exactly or very closely aligned with Earth between the other two, and only on the night of a full moon.
Hope this helped, have a good day!
state two variables that were controlled in this investigation
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Answer:
Explanation:
WHAT ON EARTH IS THE QUESTION
What affects the volume and pitch in sound waves? *please help!*
Answers
Answer:
the volume increases in amplitude of the sound wave. Pitch is seen as a change in the frequency
Explanation:
is this what you were asking for?
HELP!!!! LOOK AT IMAGE TO ANSWER!!!!!!!!!!!!1
What are the responsibilities of the region of the brain highlighted below?
Controlling voluntary body movements, processing information from sense organs, thoughts, and learning abilities
Regulating important involuntary bodily functions such as blood pressure, heart rate, breathing, and swallowing
Regulating the body’s homeostasis, hunger and eating, thirst and drinking, and other functions of basic survival
Coordinating movement and balance by using information from sensory nerves, including hand-eye coordination
Answers
Answer:
good keep it up i guss it is your own creation so i like it
select the accurate statement about water potential.
Answers
Water always moves from areas of high water potential to areas of low water potential, and the water potential of a system can be influenced by factors such as solute concentration, pressure, and temperature.
Water potential is a measure of the potential energy of water in a system compared to pure water at standard conditions, which has a water potential of zero. It determines the direction and rate of movement of water within a system. The following statement accurately describes water potential:
The higher the solute concentration in a system, the lower its water potential, meaning that water is more likely to move from an area of higher water potential to an area of lower water potential. Additionally, pressure can also affect water potential, with positive pressure increasing water potential and negative pressure decreasing it.
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Your question seems incomplete. I could not find the exact question details online so I answered in general.
The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, what kind of reaction is photosynthesis?.
Answers
The synthesis of sugar molecules through the process of photosynthesis requires energy absorbed from sunlight. Bearing this in mind, photosynthesis is an endergonic reaction.
The reactions that absorb energy to initiate are known as endergonic reactions. The absorb energy in order to produce more energy.
Plants absorb energy directly from sunlight to start the photosynthesis process. glucose is synthesized in plants during thus process. It is vital for the survival of plants.
Other than photosynthesis, metabolic reactions in living organisms' cells are also endergonic reactions.
The chemical equation of photosynthesis is :
6C02 + 6H20 → C6H1206 + 6O2
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osmolarity-detecting cells located in the nuclei of the (click to select) are stimulated by an increasing blood solute concentration.
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An increasing blood solute content stimulates osmolarity-detecting cells in the hypothalamic nuclei, notably the supraoptic and paraventricular nuclei.
The control of antidiuretic hormone (ADH), also known as vasopressin, is the responsibility of these cells.Osmoreceptor cells in the hypothalamus notice changes when blood osmolarity rises, a sign of higher solute concentration. The posterior pituitary gland releases ADH as a result of the stimulation of the osmoreceptor cells, which then send signals to the supraoptic and paraventricular nuclei.Purification of urine and a reduction in water loss from the body are both aided by ADH's action on the kidneys to encourage water reabsorption. The release of ADH by the osmoreceptor cells in response to an increase in blood solute concentration contributes to maintaining correct osmolarity and fluid balance.
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A high level of ________ in the muscle fiber would slow glycolysis by inhibiting its rate limiting enzyme.
Answers
According to the research, the correct option is ATP. A high level of ATP in the muscle fiber would slow glycolysis by inhibiting its rate limiting enzyme.
What is glycolysis?It is a series of chemical reactions that cells use to obtain energy for different cellular processes.
In this sense, in this reaction ATP is required to provide energy for the process and phosphate to form the product, a high level of the same in the muscle fiber would slow this process, since it inhibits the enzyme; fructose-2,6-bisphosphate and is influenced by a combination of factors, including the availability of substrates, the concentration of regulatory enzymes and their activity levels, and the energy status of the muscle.
Therefore, we can conclude that according to the research, the correct option is ATP. A high level of ATP in the muscle fiber would slow glycolysis by inhibiting its rate limiting enzyme.
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Bakit mahalagang tuparin ang tungkulin sa pamayanan?
Answers
Answer:
dahil tayo ay isang mamayaman na kailangan tuparin ang mga tungkulin at mga pananagutan. Dapat ito tuparin ang isabuhay upang maka kamit ng kapayapaan, kaunlaran at kaayusan sa kinabibilang na lugar.
Explanation:
:)
Help!!
On the map below, shaded areas show where it is night on Earth. Unshaded areas show where it is daytime.
Use what you know about the length of daylight and nighttime hours in different seasons to determine which season it is in the Southern Hemisphere.
A. Summer
B. Spring
C. Winter
D. Fall
Answers
Answer: spring
Explanation:
a guess
Emphysema caused by damaged to alveoli from toxins and pollutants is likely to result in the body have difficulty performing which of the following actions? I a) Exchanging oxygen and carbon dioxide b) Producing enzymes c) Releasing histamine and acetylcholine
Answers
Answer:
A) exchanging oxygen and carbon dioxide
Explanation:
The function of the alveoli is to exchange oxygen and carbon dioxide: oxygen molecules from inhalation replace the carbon dioxide waste on hemoglobin (in blood cells) so cells in the body can receive oxygen. Since emphysema is damaged the alveoli, the function of the alveoli declines: the exchange of oxygen and carbon dioxide is more challenging.
When humans workout for a long period of time, the body's muscles may become sore. What process occurred in the muscle cells that made them sore?
Answers
Answer:
When muscles are required to work harder than they're used to or in a different way, it's believed to cause microscopic damage to the muscle fibres, resulting in muscle soreness or stiffness. DOMS is often mistakenly believed to be caused by a build up of lactic acid, but lactic acid isn't involved in this process.
Explanation:
When muscles are required to work harder than they're used to or in a different way, it's believed to cause microscopic damage to the muscle fibres, resulting in muscle soreness or stiffness.
A region experiences frequent landslides for m heavy rains. How can the local residents lower the frequency of landslides in the region?
Answers
To lower the frequency of landslides in a region experiencing frequent landslides due to heavy rains, local residents can implement the following measures:
Implement proper drainage systems: Constructing effective drainage systems can help divert excess water away from slopes and hillsides. This reduces the saturation of soil, minimizing the risk of landslides. The drainage systems can include channels, ditches, and underground pipes to efficiently manage the flow of water.
Plant vegetation and trees: Vegetation and trees play a crucial role in stabilizing soil and preventing erosion. Their roots bind the soil together, reducing the likelihood of landslides. Local residents can engage in afforestation and reforestation efforts, planting trees and vegetation on vulnerable slopes and hillsides. This helps enhance the stability of the soil and increases its ability to absorb water.
Terracing and contouring: Implementing terracing and contouring techniques can help control the flow of water down slopes. These practices involve creating steps or platforms on the slopes to slow down the movement of water and prevent erosion. Terracing and contouring also help in retaining moisture in the soil, reducing the risk of landslides.
By implementing these measures, the local residents can effectively lower the frequency of landslides in the region. Proper drainage systems, vegetation planting, and terracing techniques work together to manage water flow, stabilize soil, and minimize erosion, reducing the conditions that lead to landslides. These preventive measures can contribute to the overall safety and resilience of the area against landslides caused by heavy rains.
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Are eukaryotes more closely related to bacteria or to archaea? Explain.
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Hello!
The Answer Is: Bacteria and Archaea are comprised exclusively of microorganisms; plants, mammals, and microorganisms such as fungi and protists are contained in the Eukarya. Because of their lack of a nucleus, the Bacteria and Archaea were grouped together and called Prokaryotes, but the Archaea are more closely connected to the Eukaryotes than to the Bacteria. The cell walls of bacteria contain a compound called peptidoglycan, while the cell walls of archaea do not. Archaea and bacteria also vary because the composition of the cell membranes of archaea is peculiar and does not contain the same lipids, or fats, present in other species' cell membranes.Thank you for asking this question!
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Question: Signals from the _____ make the skeletal muscles move.
Pls help it’s due tomorrow
Answers
Answer:
Brain
Explanation:
What are the lobes of the brain?
Answers
The brain is an organ composed of a significant amount of nerve tissue that is shielded by the skull. It affects almost all of the major body systems.
Lobes of the brain:
The frontal lobe is in charge of planning, decision-making, memory, emotion, and movement.
The parietal lobe is responsible for controlling mathematical and spatial reasoning as well as sensations including touch, pressure, temperature, and pain.
The temporal lobe is involved in memory, language, and hearing.
The occipital lobe is in charge of vision and the interpretation of visual data.
The information about the body's internal state, such as hunger, thirst, and pain, is processed by the insula lobe.
What is the function of the brain?
Processing sensory data, controlling blood pressure and respiration, and releasing hormones are some of the brain's primary functions.
The greatest portion of the brain is called the cerebrum. It has two halves, known as hemispheres. The cerebellum is situated directly below the occipital lobes in the back of the brain. Fine motor abilities, or the coordination of smaller, or finer, motions, particularly those involving the hands and feet, are involved. For messages entering the brain, the thalamus functions as a form of relay station. Additionally, it affects alertness, pain perception, and attentiveness.
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a glove-like dermatitis, diarrhea, and dementia are signs of?
Answers
Glove-like dermatitis, diarrhea, and dementia are signs of pellagra. Pellagra is a dietary deficiency disease that is caused by a deficiency of vitamin B3 (niacin) in the diet. It is a metabolic condition characterized by a dermatitis rash, diarrhea, and dementia.
It is a rare disease that is most commonly seen in poor or malnourished populations in underdeveloped countries.Signs and symptoms of PellagraThe most common symptoms of Pellagra include the following:Glossitis, which is an inflamed tongue and lipsPhotosensitivityDermatitis, which is an itchy rash that is similar to a sunburnSymmetrical hyperpigmentation (darkened areas of skin)Hallucinations and dementiaDepression and confusionGastrointestinal symptoms, including abdominal cramps, nausea, and diarrhea Weakness and fatigue Pellagra is a serious condition that can be fatal if left untreated.
It can be easily treated with a diet that is rich in niacin and other essential nutrients. If you or someone you know is experiencing symptoms of Pellagra, it is important to seek medical attention right away.
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name of compound of Ca(HCO)2
Answers
Answer:
Calcium bicarbonate
Explanation: