What is the enzymatic function of restriction enzymes?.
Answers
The enzymatic function of restriction enzymes is to cut DNA at specific recognition sites. These enzymes are capable of identifying and cutting DNA at particular nucleotide sequences that are found within the genome.
Restriction enzymes are enzymes that are produced by bacteria and that can identify and cleave DNA at specific nucleotide sequences, known as restriction sites. The recognition sequences for each enzyme are usually four to six base pairs long and are often palindromic, meaning they are the same when read in both directions. Restriction enzymes are the basic tools of genetic engineering, which allows the creation of new DNA constructs by cutting and pasting different pieces of DNA together. Their ability to cut DNA at specific recognition sites has been exploited in molecular biology to analyze, modify, and manipulate DNA sequences.Explanation:Restriction enzymes can be classified into four types based on their structure and function. Type I enzymes recognize and cleave DNA at random sites that are far away from the recognition sequence.
Type II enzymes are the most commonly used restriction enzymes and cleave DNA within or near the recognition sequence. Type III enzymes recognize a specific sequence but cleave DNA at a distance from it. Finally, Type IV enzymes are a recently discovered class of enzymes that modify DNA without cleaving it.The recognition and cleavage of DNA by restriction enzymes is a highly specific and efficient process. Most restriction enzymes require magnesium ions as cofactors and cleave DNA by hydrolyzing the phosphodiester bonds between the nucleotides. In some cases, the cleavage may produce blunt ends, which are flush with the recognition sequence, or sticky ends, which have overhanging single-stranded ends that can be used to join DNA fragments together.
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Related Questions
Plz help will mark brainliest
Answers
Answer:
1 and 3 (b)
Explanation:
Answer:
I think the answer is 1 and 3, hopefully Im right!
Explanation:
The fluid mosaic model describes the plasma membrane as consisting of
a) individual proteins and phospholipids that can drift in a phospholipid bilayer.
b) a protein bilayer with embedded phospholipids.
c) carbohydrates, proteins, and phospholipids that can drift in the membrane.
d) two layers of phospholipids with protein sandwiched between them.
e) a phospholipid bilayer with embedded carbohydrates.
Answers
What kinds of Bacteria helps farmers?
Answers
Answer: Nitrogen-fixing
Explanation: Nitrogen-fixing bacteria (shown here in a soybean root) are able to convert nitrogen from the air into a form that plants can use
Sedimentary rocks preserve ____.
A. the remains of organisms that lived on the earth's surface
B. a record of environments
C. fossils
D. the record of life
E. a record of events
AB. all of the above are preserved in sedimentary rock
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Answer: AB. All of the above are preserved in sedimentary rock. Sedimentary rocks are formed by the accumulation of sediment, which may include the remains of organisms, minerals, and other materials. As a result, sedimentary rocks can preserve a wide range of information, including the remains of organisms, a record of past environments, fossils, the record of life, and a record of events.
Explanation:
Identify the city that lies closest to each pair of coordinates. 30°n 90°w, 30°n 30°e, 60°n 30°e
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The city closest to each pair of coordinates are as follows:30°N 90°W: Mexico City, Mexico30°N 30°E: Baghdad, Iraq60°N 30°E: St. Petersburg, Russia
The coordinates given are in the format of latitude and longitude. Latitude is the measurement of distance from the equator, measured in degrees north or south of the equator. Longitude is the measurement of distance from the prime meridian, measured in degrees east or west of the prime meridian. Mexico City, Mexico lies closest to the coordinates 30°N 90°W.Baghdad, Iraq lies closest to the coordinates 30°N 30°E.St. Petersburg, Russia lies closest to the coordinates 60°N 30°E.
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how did natural selection lead to the land plants
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Natural selection lead to the land plants to allowing them to develop adaptations such as root systems,
Natural selection is a process in which the individuals that are best adapted to their environment are more likely to survive and reproduce than those that are not as well adapted. Over time, this leads to changes in a population's traits, as advantageous traits become more common while disadvantageous traits become less common.
In the case of land plants, natural selection caused plants to develop adaptations such as root systems, stomata (structures that allow plants to exchange gases with the atmosphere), cuticles (a waxy protective coating that helps prevent water loss), and vascular tissue (a system of tubules that help transport water and nutrients). These adaptations allowed plants to become better adapted to the environment on land, and over time allowed them to diversify into the large variety of plants we see today.
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What is Photosynthesis?
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\(\bf{\underline{\underline{PHOTOSYNTHESIS }} }\)
Photosynthesis is a chemical reaction that takes place inside a plant, producing food for the plant to survive.Carbon dioxide, water and light are all needed for photosynthesis to take place.Photosynthesis happens in the leaves of a plant.
mitosis produces ___ new cells which are _______ to the original cell from which they came. They have the ____ number of _______
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Answer:
2, equal, same, chromosomes
Explain why the Visking tubing must be washed before it is placed into the boiling tubes.
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Answer:
To release harmful bacteria
C. Shoot - Answer questions
1. What is biodiversity ?
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Answer:
the variety of life in the world or in a particular habitat or ecosystem.
Explanation:
Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity.
which word best defines bilateral symmetry
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Answer:
Explanation:
its a
Geneticists can transfer a gene from a DNA of one organism into another through a process called ...............................................
A) Natural selection.
B) Genetic engineering.
C) Artificial breeding.
Answers
Answer:
The answer is B.
Explanation:
Genetic engineering involve the change of genetic material of an organism by removing, changing or inserting individual genes.
What factor contributes most to the sustainability of a habit?
Answers
Answer:
biodiversity
Explanation:
Why does biodiversity contribute to a habitat's sustainability? The more plants and animals in a habitat, the greater the biomass, which is how habitats store energy. The greater the number of species, the more competition there is for food between predators, which sustains their populations.
Which statements accurately describe cells? Check all that apply.
All organisms are made up of cells.
Cells only make up unicellular organisms.
Cells are the smallest unit of life.
Both unicellular and multicellular organisms are made up of cells.
A mouse is a unicellular organism made up of one cell.
Answers
Correct statements:
All organisms are made up of cells
Cells are the smallest unit of life
Both unicellular and multicellular organisms are made up of cells
Answer:
All organisms are made up of cells
Cells are the smallest unit of life
Both unicellular and multicellular organisms are made up of cells.
i got right on edg
what happens to excess fatty acids and glycerol in the body
Answers
Answer:
The fatty acids are absorbed by the adipocytes, but the glycerol and chylomicron remnants remain in the blood plasma, ultimately to be removed from the circulation by the liver.
Explanation:
What would be the consequences in successive generations of offspring if the chromosome number were not reduced during meiosis?
Answers
If the chromosome number were not reduced during meiosis, it would result in polyploidy, the condition of having multiple sets of chromosomes in an organism's cells. Polyploidy can occur through autopolyploidy, where an organism has multiple sets of chromosomes from the same species, or allopolyploidy, where an organism has multiple sets of chromosomes derived from different species.
Polyploidy can have significant consequences for offspring in successive generations. It often leads to larger and more robust individuals with increased vigor and adaptability. Polyploidy can cause reproductive isolation between polyploid and diploid individuals, potentially leading to the formation of new species.
It can also result in altered gene expression, changes in reproductive behavior, and reduced fertility due to meiotic problems. Polyploidy has played a role in plant speciation and can contribute to the genetic diversity and adaptability of populations.
Overall, if chromosome number were not reduced during meiosis, the occurrence of polyploidy would have far-reaching effects on the phenotype and evolutionary potential of offspring, influencing their reproductive success, genetic interactions, and potential for adaptation to changing environments.
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What are the outcomes for hares being introduced into the grassland ecosystem
Answers
Answer: The correct answers should be the hares will multiply indiscriminately and destroy the ecosystem and the native herbivores will experience increased competition for resources.
Since the hares wouldn't have predators, and they are famous for rapid breeding, they would overpopulate the ecosystem. On the other hand, the native animals would have to compete with this population of hares for food and would have less for for themselves.
Explanation:
Various batteries, different sizes of iron nails, and a large roll of copper wire. The goal is to make an electromagnet that will pick up the most paperclips. Which of these will not contribute to increasing the strength of the electromagnet? A) increasing the number of coils of wire B) decreasing the voltage of the battery C) increasing the voltage of the battery D) using an iron nail
Answers
To contribute to increasing the strength of the electromagnet we increase the number of coils of wire.
So option A is correct.
What is electromagnet?An electromagnet is described as a type of magnet in which the magnetic field is produced by an electric current which usually consist of wire wound into a coil.
If a current is passed through the wire, it creates a magnetic field which is concentrated in the hole in the center of the coil.
In order to make your electromagnet pick up more paper clips or bigger paper clips, the right thing to do is increasing the number of turns in the coil of wire which will increase the strength of the electromagnet.
The greater the number of turns, the higher the magnetism.
In conclusion, one of the disadvantages of electromagnets is that they heat up very fast, hence lose electrical energy faster.
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glyceraldehyde-3-phosphate and 3-phosphoglycerate are three-carbon molecules produced during the calvin cycle. (true or false)
Answers
The statement is False.
Glyceraldehyde-3-phosphate (G3P) and 3-phosphoglycerate (3PG) are three-carbon molecules produced during the Calvin cycle, which is the set of light-independent reactions that occur in the stroma of the chloroplasts during photosynthesis.
During the Calvin cycle, carbon dioxide is fixed into organic molecules, including G3P, which can be used to produce glucose and other sugars. 3PG is an intermediate in the Calvin cycle, produced during the process of carbon fixation. The Calvin cycle is a crucial process for producing the organic compounds necessary for the growth and survival of plants, and ultimately, for sustaining life on Earth.
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Can someone please help me, I’ve tried but I can’t figure it out
Answers
Answer: 25 percent
Explanation:
Drag the tiles to the correct boxes to complete the pairs. Match the soil conservation technique to its explanation.
Answers
Answer:
contour farming => process of growing crops perpendicular to the direction of the land's slope.
grassed waterways =>planting grass in shallow channels.
crop rotation =>practice of growing different crops in succession in a field.
cover cropping and mulching => process of covering the soil surface around a plant with materials such as hay or leaf debris.
Which of the following is a function of proteins? (AKS 1a)
O A.
A. long term energy storage
O
B. help with slowing down chemical reactions
O
C. build tissues such as bone and muscle
O
D. raise activation energy and lower reaction rate
Answers
Answer:
ans is A long term energy
storage
Which statement best describes the cell membrane of a living cell?
A) It is composed of proteins and carbohydrates
B) It has the same permeability to all substances found inside or outside the cell.
C) It is a double protein layer that doesn't allow things to pass through it.
D) It selectively regulates passage of materials into and out of the cell.
Answers
how can the aorta receive the full force of blood exiting the heart during ventricular systole and not be damaged by the force
Answers
The aorta is able to receive the full force of blood exiting the heart during ventricular systole without sustaining damage because of its elasticity, the surrounding connective tissue, and its thick, muscular walls.
The aorta is the largest artery in the body, and it is responsible for carrying blood from the left ventricle of the heart to the rest of the body. During ventricular systole, when the left ventricle contracts and blood is pushed out of the heart, the aorta receives the full force of this blood. Despite this force, the aorta does not sustain damage because of a few key factors. First, the aorta is highly elastic. This elasticity allows it to expand and contract as needed, which helps to distribute the force of the blood evenly throughout the artery.
This means that no one part of the aorta is subjected to an excessive amount of force. Second, the aorta is surrounded by connective tissue, which provides additional support and protection. This tissue helps to absorb some of the force of the blood, further reducing the risk of damage to the artery. Finally, the aorta is designed to withstand a certain amount of pressure. The walls of the artery are thick and muscular, which helps to prevent them from rupturing under the pressure of the blood. Additionally, the aorta is able to adjust its size and shape as needed to accommodate changes in blood flow, which helps to further reduce the risk of damage.
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Which rays from the sun is affecting the people who live in the higher altitude areas above the sea level?
Answers
Answer:
The answer is Cosmic Rays.
UV rays from the sun is affecting the people who live in the higher altitude areas above the sea level.
Why UV rays are harmfull?Premature aging of the skin and symptoms of sun damage such as wrinkles, leathery skin, liver spots, actinic keratosis, and solar elastosis can all be caused by UV exposure. UV rays can potentially harm your eyes.
When compared to living at sea level, however, living at a higher elevation exposes us to around 25% more UV radiation from the sun. This is owing to the lower ozone protection provided by being at higher elevations.
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explain how a starch gets broken down
Answers
Answer:
Starch breaks down to shorter glucose chains. This process starts in the mouth with salivary amylase. The process slows in the stomach and then goes into overdrive in the small intestines. The short glucose chains are broken down to maltose and then to glucose.
Which muscle extends the knee, laterally rotates the tibia, aids in abduction and medial rotation of the femur, and tautens the iliotibial tract to brace the knee when the opposite foot is lifted
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The popiletus muscle is the muscle that extends the knee , laterally rotates the tibia.
The popliteus muscle is a little muscle that extends the knee and form muscle the floor of the popliteal fossa. It is part of deep posterior leg muscles, that rotate laterally tibialis posterior, flexor digitorum longus and flexor hallucis longus.
The popliteus muscle extends to the knee joint. It is formed from the femur and the posterior horn of the lateral meniscus, and also extend to the proximal tibia.
The popliteus muscle help to function in an gait cycle by causing the flexion of the extended (“locked”) knee.
Therefore, The popiletus muscle is the muscle that extends the knee , laterally rotates the tibia.
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term with the characteristic that best distinguishes these cells as either prokaryotic or eukaryotic
Answers
The presence or absence of a nucleus is the characteristic that best distinguishes prokaryotic cells from eukaryotic cells.
Which of the two cells belongs to humans?Eukaryotic cells exist in humans because they are more sophisticated and adaptable than prokaryotic ones. Eukaryotic cells have a nucleus, which contains the DNA, also membrane-bound organelles including mitochondria, chloroplasts (in plants), and endoplasmic reticulum.
These organelles allow more specialized cell operations like energy generation, protein synthesis, and cell-to-cell communication. Prokaryotic cells do not contain a membrane-bound nucleus or other membrane-bound organelles, while eukaryotic cells have.
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What effect will a large increase in blood volume have on blood pressure, in a blood vessel with a high compliance as compared to one with low compliance?
Answers
What effect will a large increase in blood volume have on blood pressure, in a blood vessel with a high compliance as compared to one with low compliance?
Blood pressure will rise more in blood vessels with lesser compliance as a result.
What is blood pressure?Blood pressure (BP) is the force exerted by moving blood against blood vessel walls. The heart's action of pumping blood through the circulatory system is mostly responsible for this pressure. The pressure in the major arteries is meant when the word "blood pressure" is used without qualifier. Systolic pressure, or the highest pressure during one heartbeat, is typically stated as the ratio of diastolic pressure, or the lowest pressure between two heartbeats, in blood pressure measurements. It is expressed as a millimeter of mercury (mmHg) above the air pressure in the immediate vicinity.
Along with respiratory rate, heart rate, oxygen saturation, and body temperature, blood pressure is one of the vital signs that medical practitioners consider when assessing a patient's health. An adult's normal resting blood pressure is about 120 millimeters of mercury.
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which process involves glucose reacting with oxygen to provide energy carbon dioxide and water
Answers
Answer:
The process in which glucose react with oxygen to provide energy and carbon dioxide and water is called Cellular respiration .
MORE TO KNOW Glucose break down into 3 carbon molecule pyruvate . The energy produced is used to synthesis ATP which is a power house of cell.Cellular takes place in Mitochondria . It is an organelle in cellATP is adenosine triphosphate ATP is utilised in maintained function of cell, synthesise protein and other works