What are the strengths and weakness of gel electrophoresis ?
Answer:
Hello.
• gels can melt during electrophoresis, the buffer can become exhausted, and different forms of genetic material may run in unpredictable forms.
• And the strengths could be that it separates based on size, it is relatively easy to do.
Explain why human cells undergo mitosis.
Answer:
to make more diploid cells.
Explanation:
It works by copying each chromosome, and then separating the copies to different sides of the cell. That way, when the cell divides down the middle, each new cell gets its own copy of each chromosome.
Answer:
The purpose of mitosis is to make more diploid cells.
Explanation:
It works by copying each chromosome, and then separating the copies to different sides of the cell. That way, when the cell divides down the middle, each new cell gets its own copy of each chromosome.
Human muscle cells can continue to make ATP even if the cells are depleted of oxygen. Muscle cells may use an anaerobic process called .
A.photosynthesis
B.cellular respiration
C.alcoholic fermentation
D.lactic acid fermentation
Please someone help me with these.
What happens in the light reaction of photosynthesis?
What happens in the dark reaction of photosynthesis?
What five factors affect photosynthesis and its rate? How?
Answer: The light reaction is the initial stage of photosynthesis which traps light energy to produce ATP and NADPH, whereas dark reaction is the second step of photosynthesis which utilizes the energy from ATP and NADPH to produce glucose.
Explanation: I hope this helps you:)
The end of the muscle that is attached to a bone or other structure that will move during contraction is called the ____________ .
Answer:
Tendon
Explanation:
State two features which are only found in dicotyledonous plant
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Describe what a convection current is. Explain how the Sun causes convection currents in the atmosphere. Then explain how these convection currents cause winds.
Answer:
Ok so i will try my best to describe the answers:
1) a convection current is like a boiling pot of soup. the burner heats up the soup on the bottom. hot air always goes up because the molecules become more active, making them space out upward. the hot soup travels up through the center of the pot, and the cold soup up top travels down towards the edges of the pot to replace the hot soup that just moved up. the process keeps on going and going until there is no more heat, or until the burner turns off.
2&3) the sun makes everything warmer, so when the sun touches Earth's surface, it warms up the air around it. as soon as the air warms up, it goes up into the atmosphere, like the pot of soup example. then, cold air from the top moves in to replace the hot air. with so many molecules of air moving at one time, it makes gusts of wind during the movement. when it is really windy, that means that there is a lot of hot air moving up and cold air moving down. when there is no wind, that means that every molecule is where it is supposed to be, not disturbing one another.
I hope this helps :D
The Sun's heating of the Earth's surface generates convection currents in the atmosphere. These convection currents, driven by differences in temperature and density, lead to the formation of winds as warm air rises and cooler air sinks.
The combination of convection currents and the Coriolis effect creates the intricate wind patterns and circulation systems that influence weather and climate across the globe.
A convection current is a process of heat transfer that occurs in fluids (liquids or gases) where warmer regions of the fluid rise while cooler regions sink. This phenomenon is driven by differences in temperature and density within the fluid. As a fluid is heated, it becomes less dense and rises, while cooler, denser fluid sinks to replace it. This movement forms a circular pattern known as a convection current.
The Sun plays a crucial role in generating convection currents in Earth's atmosphere. The Sun's energy reaches the Earth primarily in the form of sunlight. When sunlight strikes the Earth's surface, it warms the air close to the surface. Warmer air is lighter and less dense, causing it to rise. As this warm air rises, it creates a region of lower pressure at the surface. Cooler, denser air then rushes in to fill the void, creating a cycle of rising warm air and sinking cool air. This cycle sets up convection currents within the atmosphere.
Convection currents in the atmosphere are a major driving force behind the formation of winds. As warm air rises at the equator due to the Sun's heating, it creates a low-pressure area near the surface. Cooler air from higher latitudes flows in to replace the rising warm air, creating wind patterns. These wind patterns are known as the trade winds near the equator, prevailing westerlies in mid-latitudes, and polar easterlies near the poles.
Additionally, the rotation of the Earth (Coriolis effect) influences the direction of these winds, causing them to curve rather than blow in a straight line. This effect leads to the development of distinct wind belts and circulation patterns around the Earth.
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6. Multiple genes interact to determine the phenotype.
7. Two alleles are dominant, resulting in offspring that show both phenotypes.
8. One gene has several different forms, resulting in more than two phenotypes.
9. Two alleles are neither completely dominant nor completely recessive, resulting in a phenotype that is a combination of the two
Answer:
6.polygenic traits
7.codominance
8.multiple alleles
9.incomplete dominance
Explanation:
because i did it in savvas and i got it right.
The phenotype of an organism is influenced by the interactions of several genes. This implies that the organism's physical traits are governed by the interplay of several genes that it received from its parents.
When two alleles, or gene forms, are dominant, the dominant allele determines the phenotype of the progeny. This means that even if the other gene is recessive, the progeny will exhibit both traits if one of the alleles is dominant.
Sometimes a gene can take on several forms, producing more than two phenotypes. It is referred to as polygenic inheritance when more than one allele of a single gene affects the phenotype. Other times, two alleles are neither fully dominant nor fully recessive.
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Your roommate has been prescribed an antibiotic for bacterial pneumonia. She is feeling better and stops taking her antibiotic before finishing the prescribed dose, telling you that she will save the remainder to take the next time she becomes sick. What can you tell your roommate to convince her that this is not a good plan?
Answer:
the infection may feel like its going away but its still there and even though you feel better you still shouldnt save it bc those antibiotics were meant for bacterial pneumonia
Explanation:
Read the article and use the information to answer the following question. Somatotypes What are three types of body shapes that can result from the structure of a skeleton?
Answer:
Ectomorphs (tall and thin)
Mesomorphs (shorter and muscular)
Endormorphs (apple or pear-shaped)
Explanation:
The amount of glucose in the bloodstream is increased by the hormone.
Answer:
Glucagon, a peptide hormone secreted by the pancreas, raises blood glucose levels.
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Will give brainliest!!!!!! pls explain the student decides that measuring the amount of co2 produced will determine the total rate of both aerobic and anaerobic respiration. explain why she is correct. explain how the student could measure only the rate of anaerobic respiration.
The student could measure only the rate of anaerobic respiration by measuring the carbondioxide gas concentration.
How to measure the rate of anaerobic respiration?In the absence of oxygen, yeasts convert glucose into ethanol and carbon dioxide. This rate of carbon dioxide is used to measure of the overall rate of anaerobic respiration.
So we can conclude that the student could measure only the rate of anaerobic respiration by measuring the carbondioxide gas concentration.
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Which of the following would be considered a biotic factor in an ecosystem?
water
flower
fog
soil
Answer:
flower
Explanation:
biotic is a living organism including plants of any type fog spil and water are not living
Is a 2 week blizzard a long term event? Is a flood from a hurricane a short term event?
Answer:
A blizzard can be a 2 week and intense snowstorm with very strong winds. Generally, blizzards form when cold polar air meets warm, moist air from lower latitudes, So yes a blizzard of 2 weeks can be considered long term event
Floods can occur within minutes or over a long period, and may last days, weeks, or longer.
Explanation :
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A condition or event in the environment is called a
stimulus
O homeostasis
O reproduction
O species
Answer:
A
Explanation:
homeostasis
1.Which of the following allows the EPA to regulate water on board aircraft to ensure that the public is not exposed to high levels of bacteria? a)Federal Aviation Administration b)clean water act c)food and drug administration d)safe drinking water act
2.which of the following specifically regulates discharges of pollutants into U.S. waters and regulates the quality standards for surface waters? A)clean water act b)safe drinking water Act c)Environmental protection agency d)national environmental policy act
Answer:
Safe Drinking Water Act.
Explanation:
1. The following allows the EPA to regulate water on board aircraft to ensure that the public is not exposed to high levels of bacteria is safe drinking water act and 2. clean water act.
What is the work of clean water act?Under the CWA, the phrase “discharge of a pollutant” is described as “any addition of any pollutant to navigable waters from any factor source,” and “any addition of any pollutant to the waters of the contiguous area or the sea from any factor source.” In different words, a discharge of a pollutant takes place whilst a pollutant is discharged.
The Clean Water Act (CWA) establishes the fundamental shape for regulating discharges of pollution into the waters of the USA and regulating high-satisfactory requirements for floor waters.The US Environmental Protection Agency (EPA) Safe Drinking Water Act (SDWA) is a federal rules that hooked up the fundamental shape for the oversight of the requirements and high-satisfactory of consuming water.Read more about the EPA water problems:
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what is some outliers for putting cabbage water, baking soda, and vinegar experinment?
spring tides happen 2 times each month at the ___ and __ phases.
neap tides happen 2 times each month at the ___ and __phases.
answers?
This is defined as the alternate rising and falling of the sea, usually twice in each lunar day at a particular place, due to the attraction of the moon
and sun.
The Spring tides occur during new and full moon phases while the Neap tides occur during the first and third quarter moon phases.
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explain each of the following diffusion happens faster when the temperature rises
Answer:
Diffusion is the transport of particles from an area of high concentration to an area of low concentration.
Explanation:
So, with that being said, the higher the temperature is, the more Kinetic Energy the particles will have, meaning they will move to different areas of concentration at a faster rate.
Please answer asap for chance of brainiest! How would you expect the rate of meat digestion to differ in an animal whose digestive tract had less of the enzyme pepsin?
Answer:
The four basic types of digestive systems in animals are monogastric, avian, ruminant, and pseudo-ruminant. Monogastric animals, such as swine, eat rations high in concentrates. The avian digestive system, found in poultry, is completely different from the other three types of digestive systems.
Explanation:
The four basic types of digestive systems in animals are monogastric, avian, ruminant, and pseudo-ruminant. Monogastric animals, such as swine, eat rations high in concentrates. The avian digestive system, found in poultry, is completely different from the other three types of digestive systems.
Carnivores or meat eater, digestive system of them is very short because meat is very easy to digest, hence the level of acid in the stomach is high while the digestive system of herbivores are long so their digestion is slow and the level of acid in the stomach is high.
Who are Carnivores and Herbivores?A carnivore is an organism that eats meat, or the flesh of animals. Sometimes they are also called hunters while some prey are called prey. Carnivores are a major part of the food web.
A herbivore is an organism which feeds on plants, ranges from in small size tiny insects such as aphids to large, lumbering elephants to large animals like cow, buffalo . Herbivores are a major part of the food web.
Herbivores eat only plant or plant products like sheep, cow, goat, etc. Carnivores are those who can eat animals only, for example lions, tigers, etc.
Thus, Carnivores or meat eater, digestive system of them is very short because meat is very easy to digest, hence the level of acid in the stomach is high while the digestive system of herbivores are long so their digestion is slow and the level of acid in the stomach is high.
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1. What energy transformation occurs as biomass decays in a
compost bin:_________to__________
energy
The energy transformation that occurs as biomass decays in a compost bin is chemical energy to thermal energy.
What is energy?Energy can be defined as an ability of a physical object (body) to do work. Thus, energy must be possessed or transferred to a physical object (body) before it can be used in doing a work.
The forms of energy.In Science, there are different forms of energy and these include the following;
Gravitational energyElectrical energySound energyChemical energyThermal energyIn conclusion, the energy transformations that occur when biomass decays in a compost bin is chemical energy to thermal energy.
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What are amino acids used for? ASAP
Answer:
Break down food, grow, repair body tissue
Explanation:
Butterflies laying their eggs on milkweed plants occurs at what level of the biosphere hierarchy? a. Ecosystem b. Biome c. Population d. Community.
Butterflies laying their eggs on milkweed plants occurs at the community level of the biosphere hierarchy.
What do you mean by Biosphere?The biosphere may be defined as the area of the planet where organisms live, including the ground and most commonly air.
During the process of pollination, butterflies lay their eggs on the milkweed plant, which is considered under the community level of the biosphere hierarchy.
Therefore, Butterflies laying their eggs on milkweed plants occurs at the community level of the biosphere hierarchy.
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Answer: d
Explanation:
In a marine food web the total biomass of algae far outweighs the total biomass of all the killer whales. Why?
Answer:
because there is more potential food energy in the algae but not in the killer whales because nothing eats the killer whales
Because there is a greater potential for food energy in the algae than there is in the killer whales, who have no natural predators because nothing consumes them.
What is biomass?The biomass of an ecosystem is what determines its structure. The energy contained in living creatures is referred to as their biomass. Autotrophs are the producers in a food chain and are responsible for converting the energy from the sun into biomass. Each successive trophic level results in a loss of biomass. Lower trophic levels almost always contain a greater quantity of biomass than higher ones do.
In the vast majority of ecosystems, the producer level contains both the highest energy level and the greatest amount of biomass. Because of this, there is a greater potential for food energy in the algae than there is in the killer whales. This is also due to the fact that the killer whales do not have any natural predators.
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How did richard neumann and vincenzo beltrone feel about the us government action during wartime?
Richard Neumann and Vincenzo Beltrone delay bad about the government during wartime as their freedoms weren't enjoyed.
What is freedom?It should be noted that freedom simply means the rights that are accorded to an individual
During this period, there were four essential freedoms which are:
Freedom of speech and expression.Freedom of every person to worship God his way.Freedom from want.Freedom from fear.During wartime, the fear was in the heart of millions of people. This was illustrated by both men.
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explain how the scientific theory of evolution is supported by molecular biology
The theory of evolution is supported by molecular biology because the linear order of nucleotides and sequence homo-logy may be useful to show a common origin.
What is sequence homo-logy?The expression sequence homo-logy makes reference to the similarity level between two or more sequences (e.g., DNA sequences) in organisms.
The sequence homo-logy can be very useful to show a common evolutionary origin in a group of organisms.
The sequence homo-logy refers to the linear sequence of nucleotide bases in the DNA molecule.
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What happens when the trade winds from South America break down?
Answer:
As a result of the reduced trade winds, warmer water from the western Pacific surges eastward, flattening the sea level. The thermocline in the eastern Pacific sinks as a result of the accumulation of warm surface water.
Explanation:
What is being reduced in the process of alcoholic fermentation in yeast?.
Answer:
In alcoholic fermentation, the electron acceptor called NAD + is reduced to form NADH. The exchange of electrons that occurs in the process helps to build ATP.
Enzymes have an attachment site called the __ site for the __ to join
Answer:
Enzymes have an attachment site called the active site for the substrate to join. Consequently, what is catalytic site of enzyme? In biology, the active site is the region of an enzyme where substrate molecules bind and undergo a chemical reaction.
Enzymes have an attachment site called the active site for the substrate to join. Enzymes then convert the substrate into a product and release it from the active site.
What is an enzyme, and how does it function?
The enzyme has an active site where the substrate binds and then forms a noncovalent bond with the enzyme. As a result of this binding, the product is formed by different modifications.
The enzyme has another site apart from the active site, and that is called the allosteric site. This site is occupied by regulators that can regulate the enzyme by enhancing or suppressing the enzyme's activity.
The enzyme is made up of amino acids by the process of translation, but not all enzymes are made up of amino acids. Apart from the polypeptide chain, there are molecules such as zinc, magnesium, etc. at the catalytic site to help enzymes make the product.
Hence, enzymes have an attachment site called the active site for the substrate to join.
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Many mammals whose diet includes a great deal of leafy plant matter have extra compartments or extensions of their digestive tract that are not present in similar mammals that do not eat leaves. The function of the extra compartments is to Group of answer choices A. Increase surface area for absorption of nutrients into the blood B. Provide an area for their symbiotic bacteria to live C. Provide an area to store the leafy matter before digestion D. Provide an area to store water required for digestion
The function of the extra compartments in the stomach of ruminant animals is to provide an area for their symbiotic bacteria to live.
Ruminant's digestionIn order to be able to digest cellulose which is the principal component of grasses, plant-eating mammals, otherwise known as ruminants, have extra stomach compartments.
These stomach compartments exist to make the digestion of cellulose easier through a symbiotic relationship with cellulose-digesting bacteria.
The compartments house these symbiotic bacteria and partially chewed plants are stored in them to facilitate digestion.
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