If you observe the activity of methylated DNA, you would expect the change in the activity of DNA molecule.
What is the activity of methylated DNA?DNA methylation is a process by which methyl is added to the DNA molecule which can change the activity of a DNA without changing the sequence. When it is located in a gene promoter, DNA methylation acts to repress gene transcription.
So we can conclude that If you observe the activity of methylated DNA, you would expect the change in the activity of DNA molecule.
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Gerald performed an experiment to determine if photosynthesis was affected by the color of light that a plant received. The data from his experiment are shown in the table below.
Color of Light
Number of plants
Average volume of oxygen produced (mL)
green
4
0.50
orange
4
2.0
blue
4
5.0
Which format should he use to present his data?
bar graph
chart
line graph
pie graph
how does the structure of xylem relate to its function
Answer:
They lose their end walls so the xylem forms a continuous, hollow tube. They become strengthened by a substance called lignin . Lignin gives strength and support to the plant.
Geoffrey records the heat transfer occurring in a sample of matter as being about one half as fast as he originally predicted. He concludes that the atomic structure of this matter must be more rigid and solid, as more rigid atomic structures make the particles move less, thus decreasing the ability for it transfer heat.
Geoffrey's idea is wrong because heat transfer is fastest in solids.
What is heat transfer?Heat transfer is the process by which energy is transferred from one point to another.
During the process of heat transfer, heat energy flows from hot to colder bodies.
The three processes of heat transfer are conduction, convection, and radiation.
Heat transfer is fastest in solids and slowest in gases.
Therefore, based on the nature of heat transfer, Geoffrey's idea is wrong because heat transfer is fastest in solids.
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the brain is an organ in the nervous system.
which of the following is true about the brain?
choose 1 answer:
(A) the brain is made up of a single type of tissue.
(B) the brain is made up of different tissues that carry out the same function.
(C) the brain is made up of tissues with different functions that work together.
Answer:
(C) the brain is made up of tissues with different functions that work together.
PLLSSS-100 POINTS-PLSSSS
How and why do water and carbon dioxide function as raw materials during photosynthesis?
Review how sunlight provides the energy to carry out reactions to release oxygen and produce energy-rich carbohydrates.
Answer:
plants take in carbon dioxide (CO2) and water (H2O) from the air and soil.
Explanation:
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose.
(if this isnt what your asking just let me know and i do it again)
Explanation:
photosynthesis is the process in which plant make their own food with the help of sunlight,water and carbon dioxide. water and carbon dioxide are raw materials in photosynthesis because they help to prepare their food.During photosynthesis, plants take in carbon dioxideand water from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.
sunlight, water and carbon dioxide helps to produce energy storing carbohydrates.The energy from sunlight drives the reaction of carbon dioxide and water molecules to produce sugar and oxygen, as seen in the chemical equation for photosynthesis.
carbon dioxide + water➡️sugar + oxygen
6co2 + 6 h2o➡️c6h12o6 +6o2
Explain the DNA Replication diagram above with all the great terms from this chapter. This is a BIG ANSWER.
DNA replication or duplication is the process of making copies of DNA by the cell. It involves a series of steps and various enzymes required for the completion of the process.
What is the process of DNA replication?DNA replication has several steps along with some proteins called replication enzymes as well as RNA.
The process of replication is as follows:
Replication fork: It is made by unzipping DNA into two strands. It is done by break of the purine and pyrimidine bond accomplished by an enzyme called DNA helicase.Primer binding: After this unzipping, a short piece of RNA which is called as a primer binds to the 3' end of the DNA strand. The primer bound is the starting point for replication. Primers are generated by the enzyme referred to as DNA primase.Elongation: DNA polymerase aids in the elongation process in DNA replication. As the replication moves in the 5' to 3' direction on the leading strand, the newly formed strand will be continuous. But in the case of the lagging strand replication starts by binding with multiple primers which involve DNA polymerase and then adds pieces of DNA, called Okazaki fragments, to the strand between primers. Termination: On the formation of both the strands, Exonuclease removes all RNA primers followed by proofreading and then the adhesion of the Okazaki fragments by enzyme DNA ligase.Thus, these were the steps involved in the process of DNA replication.
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Carbon is found in all living organisms. the constant flow of carbon on earth through organisms and the air is known as the carbon cycle. plants absorb carbon from the atmosphere in the form of carbon dioxide. they use it for respiration and photosynthesis animals consume plants, transferring carbon along the food chain. plants and animals respire and release carbon into air. when the animals and plants die, they are eaten by carbon enters back into the atmosphere in the form of
According to the research, most of the carbon quickly enters back into the atmosphere in the form of carbon dioxide.
What is the carbon cycle?It is the process that describes the flow of carbon (in the form, for example, of carbon dioxide) in the atmosphere, the ocean, the terrestrial biosphere.
Thus, the CO2 in the atmosphere passes through photosynthesis to the plants, also the cycles of respiration and microbial decomposition intervene, which release new CO2 in gaseous form into the atmosphere.
Therefore, we can conclude that according to the research, most of the carbon quickly enters back into the atmosphere in the form of carbon dioxide.
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Answer:Decomposers an carbon dioxide
Explanation:
Why are meerkats affected by the plant population?
Answer:
They largely depend on it for survival as meerkats are omnivores.
Explanation:
The combined effects of hotter and drier summers and fewer plants would threaten the persistence of the meerkat population. Since they eat plants and other living bugs that usually hang out in plant-abundant areas, their [meerkats] survival depends on the range of plants near them.
the
If you travel inland from the shores of the present
Lake Michigan, which was once much larger than it
today, you would travel through the following ar
1.
the present sandy beach
2.
grasses
3.
a cottonwood forest
4.
a pine forest
5.
an oak forest
6. a beech-maple forest (where the origina
shoreline was located)
If you happen to travel inland from the shores of the present Lake Michigan, you would travel through a pine forest.
What is Lake Michigan?The Lake Michigan is one of the largest lakes in the United States. It used to be a very large lakes in the United States.
If you happen to travel inland from the shores of the present Lake Michigan, you would travel through a pine forest.
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during an oxidation-reduction reaction, the number of electrons gained is
Answer:
The number of electrons lost equals the number of electrons gained.
Explanation:
What are some environmental advantages of building green? (Site 1)
Answer: Hope this helps.
Explanation:
What condition must be met for conduction to occur
Answer:
The molecules of the substances must be touching.
Explanation:
Conduction is the process by which heat energy is transmitted through collisions between neighboring atoms or molecules
Prokaryote cells have three basic parts.
True
False
Answer:
true
Explanation:
A chloroplast produces sugar in its?
What type of cell is this?
What characteristics helped you decide the type of cell? (Identify form/structure.)
What is this cell's function?
This is Aerolar Connective tissue .
Structure : Cells embedded in a matrix of elastic and in - elastic fibres .Location : Between other tissues and organs.Function : It helps in binding. It helps in repairing of body tissues. ____________________☆ cell -
Robert Hooke in 1665 observed honeycomb structure from a thin slice of cork through a self designed microscope. He found that these consist of many little compartments or boxes whom he called cell.☆ Tissue -
Tissue is made up of a cells that are similar in structure and / or work together to achieve a particular function.2. Describe the role of the following in maintaining a constant body temperature in humans:
(a) The skin:
Answer:
The skin helps in the cooling of the body,when there is exess temperature in the body,the skin reduce it and changes it in the form of sweat and also skin acts as a passage of the sweats.
Identify and explain the purpose of the 4 major components in the refrigeration cycle?.
Answer:
compressor
Compression is the first step in the refrigeration cycle, and a compressor is the piece of equipment that increases the pressure of the working gas. Refrigerant enters the compressor as low-pressure, low-temperature gas, and leaves the compressor as a high-pressure, high-temperature gas.
condenser
The condenser, or condenser coil, is one of two types of heat exchangers used in a basic refrigeration loop. This component is supplied with high-temperature high-pressure, vaporized refrigerant coming off the compressor. The condenser removes heat from the hot refrigerant vapor gas vapor until it condenses into a saturated liquid state, a.k.a. condensation.
The expansion device
the job of a system’s expansion device is the same - create a drop in pressure after the refrigerant leaves the condenser. This pressure drop will cause some of that refrigerant to quickly boil, creating a two-phase mixture.
This rapid phase change is called flashing, and it helps tee up the next piece of equipment in the circuit, the evaporator, to perform its intended function.
evaporator
The evaporator is the second heat exchanger in a standard refrigeration circuit, and like the condenser, it’s named for its basic function. It serves as the “business end” of a refrigeration cycle, given that it does what we expect air conditioning to do – absorb heat.
This happens when refrigerant enters the evaporator as a low temperature liquid at low pressure, and a fan forces air across the evaporator’s fins, cooling the air by absorbing the heat from the space in question into the refrigerant.
1. List four ways in which the body uses energy.
Answer: Energy fuels your body's internal functions, repairs, builds and maintains cells and body tissues, and supports the external activities that enable you to interact with the physical world. Water, your body's most important nutrient, helps facilitate the chemical reactions that produce energy from food.
Explanation:
Suppose a mutation in a jungle plant leads to the growth of much larger leaves.
Would this be a helpful or a harmful mutation? Why?
How do homologous structures show
common ancestry?
A. They show us the genetic makeup of extinct organisms.
B. They show the situation that caused a species to branch
off from the original.
C. They show similarities between species and which
organism first developed the structure.
D. They are the structures that exist in the oldest living
member of an existing species.
According to the context, homologous structures show similarities between species and which organism first developed the structure.
What are homologous structures?They are structures that in different species fulfill similar functions, but have different embryonic origins, by virtue of their similarity, they suggest their connection with a common ancestor.
That is to say, it is the expression of the same genetic combination and that it is supposed to come from a common ancestor.
Therefore, we can conclude that according to the context, homologous structures show similarities between species and which organism first developed the structure.
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what is the difference between an extinct species and a mass extinction?
What is the name of the Island chain that Darwin explored off the coast of South America?
the Galapagos
While visiting the Galapagos in 1835, British naturalist Charles Darwin observed local plants and animals.
Answer:
The Galapigoes
Explanation:
Charles Went there in the 19th century to watch and understand how the plants and animals live there.
What are the best ways to control invasive species including plants, pests and pathogens?
Answer:
Prevention is the most cost-effective and safest method of controlling invasive species. Detecting invasive species early and responding quickly is far more effective than trying to control a vast infestation. Invasive species may be subject to control and management efforts if eradication is not achievable.
Detection and prevention
First thing to do is use rednook of United Nations and find out the endangered speciesIf we can find them early then that's great Then we have to try our best by spreading awareness to protect those species .Analyze the pyramid representing the energy flow through an ecosystem. Select the phrases that accurately describe the flow of energy in this ecosystem according to the image here. Select all that are correct.
A) Top carnivores obtain the maximum energy from the ecosystem.
B) Herbivores have more energy available to them than carnivores.
C) There should be fewer tertiary consumers than secondary consumers.
D) Soil organisms recycle nutrients but not energy back into the ecosystem.
E) Of the energy that is available to the producer level, only ten percent is available to the tertiary consumers.
In a typical energy pyramid, herbivores have more energy available to them than carnivores, tertiary consumers are fewer than secondary consumers, and soil organisms recycle nutrients.
Energy pyramid in the ecosystemThe producer forms the bases of the energy pyramid of any ecosystem. this is followed by the primary consumers, secondary consumers, tertiary consumers, and quaternary consumers respectively.
The population at each trophic level decreases as we move up, resulting in a form of a pyramid. Also, the amount of energy obtained at each trophic level decreases as we move upward.
Thus, one can effectively conclude that:
Herbivores have more energy available to them than carnivores.There are fewer tertiary consumers than secondary consumers.Soil organisms recycle nutrients but not energy back into the ecosystem.More on the energy pyramid can be found here: https://brainly.com/question/2515928
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The table below shows the characteristics of four pathogens.
Pathogen
Genetic material Nucleus?
Outer Covering
Can replicate on its own?
1
DNA
No
Cell wall
Yes
2
DNA
Yes
Cell membrane
Yes
3
DNA
No
Protein capsule No
4
DNA
Yes
Cell wall
Yes
Which pathogen is most likely a virus?
Choose 1 answer:
Pathogen 1
Pathogen 2
Pathogen 3
Pathogen 4
Pathogen 3 will most likely be a virus with the features seen in the table.
What is a Pathogen?This is defined as disease causing microorganism and examples include bacteria, virus etc.
Virus doesn't replicate on its own but only when in the living cells of other organisms and has a protein capsid but lacks nucleus.
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Answer: CORRECT (SELECTED)
Pathogen 3
Explanation:
Pathogen 3 has a protein capsule covering and is unable to reproduce on its own
question; both trypanosoma and plasmodium are different in .......
a) type of nucleus
b) ability to move
c) mode of nutrition
d) phylum they belong to
Answer:
mode of nutrition
Explanation:
hope it helps you
What is hypertension AND how is it prevented?
Answer:
Hypertension is a long-term medical condition in which the blood pressure in the arteries is persistently elevated. Blood pressure is determined both by the amount of blood your heart pumps and the amount of resistance to blood flow in your arteries. The more blood your heart pumps and the narrower your arteries, the higher your blood pressure.For most adults, there's no identifiable cause of high blood pressure. This type of high blood pressure, called primary (essential) hypertension, tends to develop gradually over many years. Some people have high blood pressure caused by an underlying condition. This type of high blood pressure, called secondary hypertension, tends to appear suddenly and cause higher blood pressure than does primary hypertension. Various conditions and medications can lead to secondary hypertension, including:
Obstructive sleep apnea
Kidney disease
Adrenal gland tumors
Thyroid problems
Certain defects you're born with (congenital) in blood vessels
Certain medications, such as birth control pills, cold remedies, decongestants, over-the-counter pain relievers and some prescription drugs
Illegal drugs, such as cocaine and amphetamines
Answer:
Hypertension is when blood pressure is too high. It can be prevented by doing things such as eating healthier foods, not doing any smoking, being physically active, getting enough sleep, and maintaining a healthy weight.
The relationship between a carnivore and an herbivore can be stated as
A) parasite and host
B) Predtor and prey
C) Prey and predator
D) Scavenger and parasite
Answer these please.
Answer:
i am not doing your work for you
Explanation:
read then work out the problem duh! only if it was one quistion i would help
2. Sends blood to the lung.
Which chamber?
Answer:
right ventricle
Explanation: