The transpiration pull is due to the negative pressure potential that causes water to move up through the xylem that begins at the surface of mesophyll cells.
The process of transpiration occurs when water moves through a plant and evaporates through its exposed surfaces, such as the stem, leaves, or flowers. The primary element in the leaves and stem that contributes to transpiration is the stomata.High solute content in any cell causes the development of negative pressure potential. Any plant’s top contains a lot of solutes, but the bottom, or root, contains the ideal amount of water. This is what causes the water to rise higher due to the high solute concentration and potential for negative pressure.Through the stomatal holes of the leaves, transpiration mostly takes place. The amount of water that eventually escapes from these openings would rise as their diameter or size increased, increasing the transpiration rate.A higher air humidity level indicates that there are more water vapours present in the environment. As osmotic pressure has a significant impact on transpiration, this slows down the process.
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what soil type contains 50% sand 10% sand and 40% clay
Answer: Loem
Explanation:
The ideal mixture for agriculture is called loam and has roughly 40% sand, 40% silt, and 20% clay. The texture of soil determines its capacities and limitations. Many clay-rich soils are notorious for having poor drainage, high water retention, and substandard building surface potential.item 7 although 61 different codons code for amino acids, cells contain fewer than 61 different trnas. why?
One reason for this is that some amino acids are encoded by multiple codons. For example, the amino acid glycine can be encoded by four different codons: GGU, GGC, GGA, and GGG. So, even though there are 61 codons, there are only 20 amino acids that they can encode for.
Another reason is that not all codons are used equally. Some codons are used much more frequently than others. For example, the codon UUU codes for the amino acid phenylalanine, but this codon is used much less frequently than the codon UUA, which also codes for phenylalanine. So, even though there are 61 codons, the number of different tRNAs that are needed is much smaller.
There are numerous reasons why cells might contain fewer than 61 different tRNAs. One possibility is that some amino acids are encoded by multiple codons, so a single tRNA can recognize and attach to multiple codons. Another possibility is that some tRNAs are promiscuous, meaning they can recognize and attach to multiple codons. Finally, it's also possible that some codons are simply not used by cells, so there is no need for a tRNA to recognize and attach to them.
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lymph capillaries form a two-way system that moves lymph to and from the heart. lymph capillaries form a two-way system that moves lymph to and from the heart. true false
lymph capillaries form a two-way system that moves lymph to and from the heart. lymph capillaries form a two-way system that moves lymph to and from the heart. false
Lymphatic capillaries are tiny vessels determined in the tissues of most organs in your body. They transport and clear out lymphatic fluid (lymph) out of your frame's cells and tissues. Lymph capillaries assist to preserve steady blood stress and extent and save you fluid buildup.
Lymph capillaries are found in all regions of the frame besides the bone marrow, important frightened system, and tissues, which include the epidermis, that lack blood vessels. The wall of the lymph capillary is composed of endothelium wherein the simple squamous cells overlap to form a easy one-way valve.
Lymphatic vessels collect and filter lymph (on the nodes) as it keeps to transport towards large vessels referred to as gathering ducts. these vessels operate very similar to your veins do: They work under very low strain, have a chain of valves in them to maintain the fluid moving in a single route.
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an essential component of the hereditary process that contains the codes for producing particular traits and dispositions is called a:
An essential component of the hereditary process that contains the codes for producing particular traits and dispositions is called a gene.
Genes are the blueprint for our bodies. Any Alteration can cause change in genes that leads to false message . They may also cause wide range of diseases .
A gene is also considered as defined part of a chromosome where the base pairs that code for the characteristic are stored. Genes determine traits in an individual. They are composed of sequences of DNA and are arranged, one after another, at definite locations on chromosomes in the nucleus of cells.
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What process immediately
and typically follows
telophase and completes the
cell cycle?
A. cytokinesis
B. omegaphase
C. resting phase
the efficiency of aerobic metabolism is greater than that of anaerobic metabolism even though much more energy is released in aerobic than in anaerobic metabolism because a. aerobic metabolism is linked to oxygen, which is a more powerful oxidizing agent than those in anaerobic metabolism b. aerobic metabolism traps much more energy in the form of atp than does anaerobic metabolism c. aerobic metabolism produces carbon dioxide and water d. anaerobic metabolism produces two- and three-carbon compounds
Compared to anaerobic metabolism, aerobic metabolism retains a lot additional energy in the manner of ATP.
What is the straightforward meaning of metabolism?the alterations in an organism's or a cell's chemistry. These modifications generate the ingredients and energy that cells and organisms require to develop, procreate, and maintain health.
Does weight change with metabolism?You will consume more calories both at rest and when you are active if overall metabolism is "strong" (or quick). You'll need to consume more calories to maintaining your weight if you have a strong metabolism. That is one of the reasons why some people are able to consume more than before without putting on weight.
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a. A more potent oxidizing agent than those used in anaerobic metabolism, oxygen is associated to aerobic metabolism.
b. Compared to anaerobic metabolism, aerobic metabolism traps a lot more energy in the form of ATP.
c. Compared to aerobic metabolism, anaerobic metabolism generates less two- and three-carbon molecules.
A chemical species known as an oxidizing agent, commonly referred to as an oxidant, has the capacity to take electrons from other atoms or molecules.Oxygen is a frequent and potent oxidizer. Adenosine triphosphate, or ATP, serves as the main form of energy transport in living cells.
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The unique shape of a salt crystal is due to ________.
A. the structure of the NaCl molecule
B. the amount of water that is added to the salt to form the crystal
C. the angle of the surface on which the crystal is formed
D. the temperature at which the salt is dissolved in water.
The unique shape of a salt crystal is due to the amount of water that is added to the salt to form the crystal. Option B.
In crystallography or crystallography, such crystals are called cubic crystals. This shape is determined by the way the individual atoms of the salt are packed together. This is the same way that the shape of a bunch of oranges is determined by the way they are stacked together. Salt is a flavor enhancer, bringing out the desired flavor of other foods, thus adding its own flavor.
Rock salt is an ionic compound that occurs naturally as white crystals. It originates from the mineral form rock salt or the evaporation of seawater. The structure of NaCl is formed by repeating face-centered cubic unit cells. The salt crystals are clearly cubic, but some particles appear to have overlapping cubes. Makes rich foods richer meaty foods thicker and enhances bitterness.
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A genetic _________ is an abnormality in an individuals gene sequence which can be used to test for genetic disorders like Huntington disease.
A genetic disorder is an abnormality in an individuals gene sequence which can be used to test for genetic disorders like Huntington disease.
What is regarded as a genetic anomaly?Gene or chromosomal alterations result in disorders known as genetic abnormalities. Gene mutations are responsible for inherited diseases. They consist of conditions like Tay-Sachs disease, sickle cell disease, and cystic fibrosis.
What do you name a chromosome that is abnormal?The most typical chromosomal anomaly is aneuploidy, which is characterized by an aberrant chromosome number brought on by an extra or missing chromosome. Most aneuploid patients have trisomy (three copies of a chromosome) rather than monosomy (single copy of a chromosome).
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the type of population growth curve that displays ever increasing growth rates followed by a leveling off to no growth is described as being the
The type of population growth curve that displays ever increasing growth rates followed by a leveling off to no growth is described as being the S-shaped curve.
An rise in the number of organisms on a certain habitat is referred to as population growth. Until there is no more room for population growth, a habitat's population will continue to grow. Graphs are a visual way to represent population growth.
The logistic growth model is shown as an S-shaped (sigmoid) curve.
In logistic growth, a population's rate of per capita growth declines as it approaches the carrying capacity, a limit imposed by the environment's limited resources. An s-shaped population growth curve indicates that the population increased gradually at first and then exponentially for a while.
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according to david garland what is one factor that accounts for why the death penalty exists in the us
according to David garland federal-level policymaking on this issue, instead of state level is one factor that accounts for why the death penalty exists in the united states.
In his book, Garland argues that the death penalty has persisted in America for the same reason it was abolished so early in some states (Michigan banned it in 1846): the country's commitment to a radical form of federalism. Like lynching, perhaps the death penalty persists purely because local legal systems allow it.
Our political framework pushes the ability to rebuff down to state assemblies, nearby examiners, judges, and juries. Because of this local power, some states were able to outlaw the death penalty earlier than other Western nations.
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The molecule ________________ found in paper is almost identical to the carbohydrate molecule found in mashed potatoes.
The molecule cellulose that we find in the paper is similar to the carbohydrate that mashed potatoes contain.
What is starch?We know that a compound is one that is formed by the combination of two or more molecules. There are various kinds of compound and we tend to segregate them on the basis of the way that the atoms are combined so as to give rise to the molecule.
In this case, we have so many smaller units that are coming together so as to forma a larger unit and the larger unit that have been formed is what we call a polysaccharide since there are very many atoms that are present in it.
Both the paper carbohydrate molecule found in mashed potatoes are composed of glucose monomers and are poly saccharides. And this is the commonality between the two kinds of molecules.
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At leat 4-5 tep howing how miticide reitance developed in the twopotted pider mite population
Acaricide resistance developed in spider mite populations arises through mutation survival differentials reproductive differentials and natural selection.
Rapid reproduction rates and low dispersal capacity are factors that contribute to the ability of spider mite populations to develop resistance to acaricides. Repeated use of the same pesticide or similar agents with the same mechanism of action can lead to resistance. Pests are often thought to change or mutate in order to become resistant.
It's not the individual pests that change but the populations. When the pesticide is first used it is possible that a small portion of the pest population will survive exposure to the agent due to their different genetic makeup. These individuals pass the resistance gene to the next generation. Insects develop this type of resistance by developing multiple resistance.
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Cacti are plants that live in extremely dry environments. unlike most other plants, cacti do not have regular leaves, but instead, have spines. they do have green stems. How would the lack of regular leaves help cacti survive in their environment? In what part of the cacti would photosynthesis occur?
Answer:
Explanation:
b
A researcher determined that a strain of e. Coli is producing a shortened version of a protein required for glucose metabolism. What type of mutation could be responsible for this shorter than normal protein?.
A researcher determined that a strain of E. coli is producing a shortened version of a protein required for glucose metabolism, and this is due to the premature termination or the nonsense mutation.
What is "premature termination" in translation?The polypeptide chain is produced during the translation process and can be stopped by a variety of factors, such as miRNA attachment to the polypeptide chain or any base mutation. If a single base mutation happens, that changes the codon into a stop codon, which is called a nonsense mutation, and this causes the short version of the protein.
Hence, this is due to the nonsense mutation in the polypeptide chain.
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Science i the proce ued to anwer quetion about the makeup of the natural world and the way it function
Describe the nature of technology & demonstrate how it can be used to understand the natural world. Differentiate between facts, theories, and hypotheses.
What is meant by natural?Based on the condition of things in nature; created by nature: a natural bridge. existent in or developed by nature (as opposed to artificial): A natural process is growth. of or pertaining to environment or the cosmos: the beauty of nature.
The definition of pure naturalAccording to the FDA, a food is classified "natural" if it contains no artificial or synthetic ingredients (including any colorants regardless of their source) that are not typically anticipated to be included in that food.
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As of 2014, __________ is the largest contributor of total u. S. Greenhouse gas emissions.
Answer: fossil fuels
Explanation:
Describe how your body prevents pathogens from entering and how would your body fight off the pathogens.
The body has evolved defences that act to prevent pathogens entering it. If a pathogen does enter the body then the immune system helps to fight it off. If pathogens manage to pass the non-specific first line of defence then they will cause an infection. However, the body has a second line of defence to stop or minimise this infection.
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HELP PLEASE SOS
Match the following vocabulary words with their definitions.
1. atomic particle with a positive charge
2. neutral atomic particle
3. having neither a positive nor a negative electrical charge
4. atomic particle with a negative charge
5. the smallest part of any object
NOIT QUES
neutron
electron
atom
proton
neutral
plant cells also need _____ but plant dont eat _____ the way animals must make their own food.through process of _____ .
Explanation:
autotroph,prepared food,photosynthesis
If you want to affect chromatin packaging, which amino acid could you mutate to affect both histone acetylation and methylation patterns?.
Lysin affect both histone acetylation and methylation patterns.
Histone methylation is important part of common epigenetic regulations that play key roles in advancement processes and diseases. Methylation of lysine residues in histone proteins determines the active and silent states of surrounding genes by modulating the chromatin structure .
Hence, they plays an crucial role in cell cycle progression and differentiation. Arginine and lysine are the two major amino acids that can be methylated.
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a student collect two specimen a and b from a sea shore during her biology field trip.she used a microscope to determine which structures were present un the specimens and found that specimen a contained more mitochondria than specimen b .suggest two reasons why specimen a had more mitochondria than specimen b
The reason why specimen a had more mitochondria than specimen b was because of the following:
Specimen A is an aerobic organism while specimen B is an anaerobic organism.
Specimen A is motile while specimen B is non-motile.
What is mitochondria?Mitochondria is defined as the membrane bound cell organelle that is know as the power house of a cell. This is because is helps in the generation of energy for the cell in the form of adenosine triphosphate (ATP).
These organelles are found in the cells of multicellular organisms such as plants and aquatic mammals. They are usually concentrated in those areas where there is much respiratory activities such as the lungs and gills and in the areas that support motility such as the muscles.
Therefore, is can be said the the specimen A is an aerobic organism that makes use of oxygen for respiration and it also a motile organism when compared to specimen b.
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synthesis question: how do humans affect the greater food web? in this model, how could humans who do not live in the ecosystem still manage to alter the flow of energy within the web? (worth up to 5 bonus points)
Humans have a major impact on trophic cascades because they hunt, fish, and spread predators to new areas, which reduces the number of predators.
Since humans eat all kinds of plants and animals but are not regularly eaten by any other animals, they are considered to be at the top of the food chain. Fruits and vegetables are the names of the plants that humans eat, and humans are the main consumers of these plants.The plant community is affected by human-induced increases in grazing pressure, which also affect biogeochemical cycling and the plant community as a whole.
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Why has natural selection favored the evolution of double circulation in birds and mammals?.
Natural selection favored the evolution of double circulation in birds and mammals because they use more energy than equivalent-sized reptiles and amphibians.
Natural selection is the differential survival and reproduction of individuals as a result of phenotypic differences. The change in the heritable traits characteristic of a population over generations is a key mechanism of evolution. In evolution, four principles are at work: variation, inheritance, selection, and time. These are thought to be components of the natural selection evolutionary mechanism.
In humans, double circulation allows for the separation of oxygenated and deoxygenated blood in the body. It aids in the maintenance of high blood pressure, which is required for essential processes. It allows pure blood to reach various tissues and organs of the body, such as the kidneys and liver.
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Considering that they require an oxygen-free environment, how do obligate anaerobes survive in the human body?.
Enzymes can be used to convert reactive oxygen species into unharmful compounds. They can endure in environments where aerobic organisms utilise the oxygen supply fast.
Where would you expect to discover an obligate anaerobe in a human body?In areas of the body where oxygen concentrations are extremely low, such as the mouth and gastrointestinal system, several obligate anaerobes can be found. These bacteria can occasionally unintentionally end up in places they shouldn't be, leading to dangerous infections.
Obligate anaerobes have metabolic systems based on enzymes that react with oxidants, therefore they cannot tolerate oxygen. When anaerobes are exposed to air, a significant amount of superoxide and hydrogen peroxide are likely created due to the dependence on low-potential flavoproteins for anaerobic respiration.
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which sequence of secondary succession would be likely to occur in abandoned farmland in the eastern united states?bare soil, grasses and wildflowers, shrubs, sunlighttolerant trees, shade-tolerant treesbare rock, lichens, mosses, grasses, shrubs, mixed shade- and sunlight-tolerant trees
bare soil, meadows and wildflowers, shrubs, trees tolerant of both sunlight and shadow
How important are lichens, and what are they?A symbiotic combination of mushrooms and bacteria or algae forms lichens. For the bacteria or algae, these fungi provide a wet, protected environment, and in return, they get food from the algae or cyanobacteria. Being early phase primary succession organisms, lichens are significant.
Are lichens plants or animals?Lichens are neither just fungus nor just plants; they are both. These fibers that help compensate a lichen's internal framework and exterior skin are known as fungus hyphae. There are individual algal cells scattered throughout the lichen's filaments. This sort of coexistence of two diverse species is known as symbiosis or mutualism.
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The diagram below represents a cell and the relative concentration of several molecules inside and outside of the cell. Cell with molecules A, B, and C inside and out of the cell Cell with molecules A, B, and C inside and out of the cell Which molecule could only enter the cell as a result of active transport? Choose 1 answer: Choose 1 answer: (Choice A) A Molecule A (Choice B) B Molecule B (Choice C) C Molecule C
Answer:ggg
Explanation:
It is possible for rocks to be shaped by forces in Earth. This picture could be described as a/an
joint
fault
fold
ophiolite
Yes, It is possible for rocks to be shaped by forces in Earth. This picture could be described as option B: fault
Does the Earth's interior have any power to shape rocks?Huge forces that are produced by the shifting of the Earth's plates squeeze or pull on the rock in the crust. Stress is a physical force that affects a rock's shape or volume, or how much space it occupies. Rock under stress gains energy. Up until the rock deforms or breaks, the energy is held within it.
Therefore, Pressure and heat are the driving factors in the formation of metamorphic rocks. These commonly happen where tectonic plate boundaries converge.
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The image shows the wings of two different organisms. The wings of the housefly and the bat are . This indicates that?
I really need help on this question
What is formed by organized groups of cells with similar structures and a common purpose?.
Answer:Tissues
Explanation:Tissues are groups of cells that have a similar structure and act together to perform a specific function. Different tissues make up organs. Different organs work together to form an organ system.
