The function of phototropism can be compared best with the function of gravitropism by taking an example of statoliths (Starch molecules) in roots and auxin in stem.
Roots often bend away from light (i.e., exhibit negative phototropism) in the direction of gravity(i.e. exhibit positive gravitropism).
Whereas stem-like organs drive their growth toward the light (i.e., positive phototropism) and away from gravity (i.e., negative gravitropism) (i.e. positive gravitropism).
As in the instance of phototropism, positive tropisms react by migrating towards the direction of the stimulus source.
Auxin formation and blue light stimulation control this response's mechanism.
On the shaded side of the plant, where those cells are starting to elongate, the activation of the blue light results in a concentration of auxin, a plant hormone.
On the other hand, negative tropisms, like gravitropism in plant shoots, react by migrating away from the stimulus's source.
A unique type of cell called a statocyst contains statoliths, which are starch molecules that can settle within the statocysts in reaction to gravity.
These starch molecules accumulate on the bottom of the statocyst as they descend toward gravity, increasing auxin levels and encouraging cell elongation.
Hence, these two processes can be compared best with an example of statoliths (Starch molecules) in roots and auxin in stem.
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Freh now ha an albedo of about 85%, and old now ha an albedo of about 50%. Which will reflect more of the un' radiation? Why?
Fresh snow has a higher albedo of about 85%, while old snow has a lower albedo of about 50%. Therefore, fresh snow will reflect more of the sun's radiation than old snow.
Albedo is a measure of the reflectivity of a surface, it is the ratio of the amount of light reflected by a surface to the amount of light incident on it. High albedo surfaces like fresh snow reflect more light and heat than low albedo surfaces like old snow. Fresh snow is a good reflector of sunlight because it has a high concentration of ice crystals, which scatter light in all directions.
Old snow has a lower albedo because it becomes more compacted over time, which reduces the number of ice crystals present, and because it may be dirty or covered with dust, which absorbs more light and heat. Additionally, old snow may have a layer of meltwater on top, which also has a lower albedo than the snow.
In conclusion, fresh snow has a higher albedo than old snow, and it reflects more of the sun's radiation back into space. This is why fresh snow appears brighter and whiter than old snow.
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A farmer sprays for pests on the
first of each month. What type of
control is this?
Answer:
not recommended according to IPM
Explanation:
Is it crucial that the process of mitosis?
Mitosis is very crucial for life as it is responsible for providing new cells for growth and replacing worn out cells from the body.
Mitosis is a cell division in which two genetically identical are formed as a result of the division in a single mother cell. In the cell cycle, mitosis involves the splitting of DNA in order to produce two equal sets of chromosomes which ensures an equal division of DNA in both the daughter cells that are formed.
The cells that are present in the body get damaged or worn out and they are replaced by mitosis and hence mitosis is very important for repair. Mitosis causes the formation of two daughter cells and hence it provides new cells for the growth of the body.
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A 0. 50-kilogram ball is thrown vertically upward with an initial kinetic energy of 25 joules. Approximately how high will the ball rise? [neglect air resistance. ].
When it is freed, its kinetic energy and gravitational potential energy will be about equal (a little is lost to air resistance). Be aware that this will be based on the release point having no potential energy.
What happens to the ball's kinetic energy when it is hurled vertically up?The kinetic energy is canceled out. Kinetic energy is changed into potential energy in accordance with the rule of conservation of energy. At this height, potential energy is at its highest.
Gravitational potential energy is mgh.
mgh=25J
h=25J/(0.5kg x 9.81m/s^2) = 5.097m
So it goes about 5.1 meters.
Potential energy when a ball is hurled vertically up?The ball's kinetic energy progressively transforms into potential energy when it reaches its highest point. The ball's potential energy is at its highest point, where the ball's velocity falls to zero.
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Which describes an impermeable rock where oil and natural gas deposits are found?(1 point)
Responses
It only allows certain materials to pass through.
It only allows certain materials to pass through.
It has pores large enough to allow absorption.
It has pores large enough to allow absorption.
It traps the deposits inside them.
It traps the deposits inside them.
It is made up of porous materials.
It confines the deposits within them. describes highly impermeable rock that contains deposits of natural gas and oil.
What exactly is natural gas?
The main component of natural gas, methane, is an odorless, liquid combination of hydrocarbons (CH4). It is typically found in underground reservoirs and is used as a fuel in heating systems, power plants, and vehicles. Natural gas is a clean-burning fuel that is often preferred over other fossil fuels due to its lower emissions.Natural gas is also used to manufacture chemicals and plastics as well as to provide steam for many industrial processes. Natural gas is composed of many different hydrocarbons, including methane, ethane, propane, and butane.Natural gas is formed over millions of years when layers of decayed plants, animals, and other organic matter are buried and exposed to heat and pressure. Over time, the organic material is converted into a gas that is composed mostly of methane.
How else is natural gas produced?
Through drilling, natural gas is retrieved from underground rock formations. Large amounts of natural gas in shale may now be accessed because to improvements in hydraulic fracturing methods.
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It traps the deposits inside them
Explanation:
just did the quick check and got it
What organelle isolates chlorophyll and other pigments?
Plastids is your answer
Help me out internet
C is wrong but D is correct
i think A is also correct
Depletion to the ozone layer can cause changes to the biogeochemical cycles.truefalse
The answer is True, because ozone depletion may change the amount of vital gases in our atmosphere, such as carbon dioxide and carbon monoxide, which can increase UV radiation and generate irregular climatic conditions, affecting natural biogeochemical cycles.
Changes in stratospheric ozone have a significant impact on the intensity of solar UV-B radiation, which in turn impacts the biogeochemical cycling of carbon and other chemical elements.
The quantity of UVB that reaches the Earth's surface rises as the ozone layer depletes. UVB induces non-melanoma skin cancer and has a significant influence in the development of malignant melanoma, according to laboratory and epidemiological research.
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What are the nurses tasks?
Nurses' tasks involve Evaluating, observing, and talking to the patient, Record patient history and current health details and symptoms, Prepare the patient for examination and treatment. Drug Administration and Treatment.
Registered Nurses (RNs) often wear many hats every day to treat patients. A registered nurse's primary role is to ensure that each patient receives the direct and appropriate care they need, and they do this in a variety of ways.
RNs assess and identify patient needs and implement and oversee patient care planning and treatment. We also ensure that patient care, whether in a hospital or other facility, is conducted in accordance with the employer's policies and standards.
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How does the furnace get the energy needed to heat the water
Thermal energy is created by burning fuel in a boiler as part of a hot-water heating system.
What is Thermal energy?Thermal energy, internal energy present in a system in a state of thermodynamic equilibrium by virtue of its temperature. Thermal energy cannot be converted to useful work as easily as the energy of systems that are not in states of thermodynamic equilibrium. A flowing fluid or a moving solid, for example, possesses energy that can be converted to work in some mechanical device, such as a windmill or a waterwheel, but the same fluid or solid in a thermodynamic equilibrium state having the same energy (as thermal energy) can do no work unless it is combined with another substance at a different temperature, as in a heat engine.To learn more about thermodynamic refer to:
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What are 3 negative impacts of rainforest removal?
3 negative impacts of rainforest removal:
The loss of trees and other vegetation can cause climate change, desertification, and increased greenhouse gases in the atmosphere.
Definition of Rain ForestA rainforest is an area of tall, mostly evergreen trees and a high amount of rainfall.
Rainforests are Earth’s oldest living ecosystems, with some surviving in their present form for at least 70 million years. They are incredibly diverse and complex, home to more than half of the world’s plant and animal species—even though they cover just 6% of Earth’s surface. This makes rainforests astoundingly dense with flora and fauna; a 10-square-kilometer (4-square-mile) patch can contain as many as 1,500 flowering plants, 750 species of trees, 400 species of birds and 150 species of butterflies.
Rainforests thrive on every continent except Antarctica. The largest rainforests on Earth surround the Amazon River in South America and the Congo River in Africa. The tropical islands of Southeast Asia and parts of Australia support dense rainforest habitats. Even the cool evergreen forests of North America’s Pacific Northwest and Northern Europe are a type of rainforest.
Rainforests’ rich biodiversity is incredibly important to our well-being and the well-being of our planet. Rainforests help regulate our climate and provide us with everyday products.
Unsustainable industrial and agricultural development, however, has severely degraded the health of the world’s rainforests. Citizens, governments, intergovernmental organizations, and conservation groups are working together to protect these invaluable but fragile ecosystems.
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The (4) ____ is built around the nose,lungs,and breathing tubes.
The ciliated epithelial cell is built around the nose, lungs, and breathing tubes.
What is a respiratory system?A respiratory system is defined as one of the major systems of the body that is made up of organs that helps in the removal of carbondioxide and in take of oxygen for the use of body cells.
The organs of the respiratory system include the following:
NoseLungs Breathing tubes(trachea)The ciliated epithelial cells is a natural in-built defensive mechanism that helps in the removal of dirts that are trapped during breathing.
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Describe at least two factors that contributed to the hostility between Maurice Wilkins and Rosalind Franklin
She would be in charge of the X-ray studies of DNA. Wilkins thought that Franklin would be his assistant.
What was the conflict between Wilkins and Franklin?Wilkins felt DNA was his dominant and Franklin was being hired as his deputy, not an independent scientist with her own mind and procedure. Wilkins and Franklin never got along. Markel loudens a chorus of their colleagues on why. Watson blamed Franklin for declining to accept her role as Wilkins' assistant.
He mistook her for a new secretary, and it emerge that they never established a good working connection as fellow scientists. Franklin had gotten the impression she would be waged alone in the lab; Wilkins saw her in a more supportive role to his work.
So we can conclude that Rosalind Franklin acquires images of DNA using X-ray crystallography, an idea first raised by Maurice Wilkins.
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What are the steps in building proteins from RNA?
Initiation, elongation, and termination are the three stages of translation.
About translationTranslation in genetics and molecular biology is the process of translating the sequence nucleotides present in the mRNA molecule into a sequence of amino acids that make up a polypeptide or protein. Transcription and Translation are the two main processes that link genes to proteins. Translation only occurs in mRNA molecules, whereas rRNA and tRNA are not translated.
An mRNA molecule which is a copy of DNA sequences composes a gene in the form of an open reading frame. mRNA carries amino acid sequence information. Translation into three stages (same as in transcription) namely initiation, elongation, and termination. All of these steps require protein factors that assist mRNA, tRNA, and ribosomes during the translation process. Initiation and elongation of the polypeptide chain also requires a certain amount of energy.
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What part of the nervous system is responsible for blushing?
Answer:
sympathetic the sympathetic Nervous system
Explanation:
Answer:sympathetic nervous system. ✅
List the layers in order from oldest to youngest
According to the principle of superposition, the oldest sedimentary rock units are at the bottom and the youngest are at the top.
What are sedimentary rocks?
Sedimentary rocks are rocks formed by the accumulation of sediment that is cemented together. These rocks are formed when sediments are compacted and lithified (hardened) by the pressure of overlying material. They are typically composed of layers, or strata, created as a result of deposition of the sediments. Examples of sedimentary rocks include sandstone, limestone, shale, and conglomerate.
The bottom layer of rock forms first, so it is the oldest. Each layer above that is younger, with the top layer being the youngest.
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Where is digestion completed and the place where the nutrients are absorbed?
The nutrients digested are absorbed into the circulation via the lining of the small intestine. The nutrients are delivered to the rest of the body through the blood.
The digestive system consists of the gastrointestinal tract (also known as the GI tract or digestive tract), as well as the liver, pancreas, and gallbladder. The GI tract is a collection of hollow organs connected by a long, twisting tube that runs from the mouth to the anus.
The hollow organs that make up the GI tract are the mouth, esophagus, stomach, small intestine, large intestine, and anus. The digestive system's solid organs are the liver, pancreas, and gallbladder.
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NEED HELP PLEASE!!!!!
Man's genotype is DdHd. Women's genotype is ddHh. 25% of the kids will have curly hair and dimples. One-quarter of all children will have straight hair and a dimple. 25% of the kids will have curly hair and no dimples.
What is genotype?An organism's genotype is its whole collection of genetic material. The term "genotype" can also refer to the alleles or variations that an individual possesses in a certain gene or genetic region. A genotype is a classification of the kind of variation found at a certain position (i.e., a locus) in the genome. Symbols can be used to symbolize it. For example, the letters BB, Bb, bb might be used to indicate a specific mutation of a gene. In a general sense, the term "genotype" refers to an organism's genetic composition; in other words, it characterizes an organism's whole collection of genes.
Here,
DdHd is genotype of man. ddHh is genotype of women. 25% children will have curly hair and dimple. 25% children will have straight hair and dimple. 25% children will have curly hair and no dimple.
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As infants gain familiarity with repeated exposure to a visual stimulus, their interest wanes and they look away sooner. the decrease in an infant’s responsiveness is called?
Babies get used to repeating exposure to visual influences, but their interest wanes and they look away more quickly. This decrease in the baby's responsiveness is called Speech delay.
What is speech delay?Speech delay is a delay in a child's ability to convey something or speak. In this condition, the child is unable to convey his thoughts properly, so his words are difficult to understand. Children with speech delays are able to say words but have difficulty connecting them.
Speech delays can be caused by impaired physical growth, ear infections, or problems with the mouth or hearing. One of the causes of speech delay in children is screen time or being exposed to too long and frequent use of gadget screens.
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the respiratory rate times the tidal volume corrected for dead space is the __
Answer:
im a god
Explanation:ong
A carbon atom has 6 electrons however, its valency is 4. This is because the carbon atom.
A carbon atom has 6 electrons however, its valency is 4. This is because the carbon atom has only 2 electrons in its first shell and 4 in the second shell.
Atomic carbon has six electrons: two core electrons in the 1s orbital and four valence electrons in the 2s and 2p orbitals. Because carbon has a valency of four, it can form bonds with four other carbon atoms or atoms of another monovalent element. This is known as carbon's tetravalency. If the number of electrons in the outer shell is four or less, an atom's valency is equal to that number. Otherwise, the valency is eight less the number of electrons in the outer shell. The valency can be easily calculated once you know the number of valence electrons.
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What is a homozygous gene when both alleles are identical?
A homozygous gene is a gene in which both alleles are identical.
This means that an individual with a homozygous gene will have the same version of the gene on both chromosomes. For example, if an individual has two copies of the "A" allele for a particular gene, they would be homozygous for that gene. An individual who is homozygous for a genomic marker has two identical versions of that marker. On the other hand, a heterozygous gene refers to a gene in which an individual has two different alleles for a particular gene. This means that the individual will express a combination of the traits or characteristics associated with each allele.
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Which sentence best describes how water affects rocks on the earth's surface?
O It applies pressure to rocks that causes them to metamorphose.
O It keeps sediment contained within its original location.
O It dissolves rock into small pieces and transports it elsewhere.
O It prevents erosion of rocks by protecting them from wind.
Water expands upon freezing. It then serves as a wedge. It gradually enlarges the fissures and splits the rock. By carrying away the minute rock particles lost in the split, liquid water conducts the act of erosion when ice melts.
How does water alter the surface of the Earth?Weathering and erosion brought on by water flow alter the features of the landscape. Localized weather patterns and climate are influenced by complex interactions, with the ocean playing a part. Water's special chemical and physical characteristics have a profound impact on the dynamics of the planet. The ions are carried by water as it dissolves the minerals in rocks. This procedure moves along quite slowly. But over millions of years, water in motion dissolves enormous quantities of rock. Particles of rock and soil are also picked up and carried by moving water.Rocks can dissolve minerals and become weaker over time when water penetrates into their pores and fissures. The process starts afresh when the water returns to the surface and evaporation takes place.To learn more about Earth’s surface, refer to:
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Which is true about the bonding and
structure of Carbon?
A. It can ONLY bond with other elements to form chains.
B. It has no valence electrons and does not bond at all.
C. It has 5 electrons in its outer shell.
D. It can bond with itself in chains and rings.
Answer: D
Explanation: D. It can bond with itself in chains and rings.
Carbon has four valence electrons in its outermost shell, making it highly reactive and able to form a variety of chemical bonds. Carbon can bond with other elements such as hydrogen, oxygen, nitrogen and sulfur, as well as with itself, to form chains and rings. This ability to bond with other elements and with itself makes carbon a very versatile element and the basis of all organic compounds. Carbon can also bond with other carbon atoms in a variety of ways, such as single, double, and triple bonds, and can form a wide range of molecular structures including chains, branched chains and ring structures.
The element carbon has a valency of four so that it can simultaneously bond with four other atoms. It can bond with itself in chains and rings. The correct option is D.
What is catenation?The carbon atoms have a unique property of linking together in straight chains, branched chains or rings of different sizes which helps to form a large number of organic compounds. This property is called the catenation.
The chemical linkage into chains of atoms of the same element occurring only among the atoms of an element which has a valence of at least two and forms relatively strong bonds with itself. This property is predominant in carbon atoms, also exist in 'Si' and 'S' atoms.
A carbon-carbon bond is a covalent bond among the two carbon atoms. The most general form is the single bond. Every 'C' atom is covalently bonded at the four corners of the tetrahedron to four other 'C' atoms.
Thus the correct option is D.
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The process by which plants lose water by evaporation is called
(a)Respiration
(b)Photosynthesis
(c)Transpiration
(d)Absorption
The process through which plants lose water through stomata is called transpiration.
Option c is correct.
What is the method by which plants lose water known as?Plants lose water vapour through their stomata through a process called transpiration. When the weather is extremely hot, the plant loses water vapour, which cools it down. Water from the stem and roots flows upward or is "drawn" into the leaves.
Does photosynthesis involve water evaporation?When stomata are opened to allow carbon dioxide to enter for photosynthesis, water in the mesophyll tissue of leaves can also evaporate if the air is drier outside because of things like high temperatures.
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"The ancestor of today's anteaters lived among many creatures who
ate ants, but the ancestor, through random variation, had a longer
tongue and was able to more easily catch ants. It thrived, produced
more offspring, and outcompeted the others with shorter tongues."Lamarck or Darwin?
This scenario is described in the style of Charles Darwin's theory of evolution by natural selection.
What is Charles Darwin's theory of evolution?Charles Darwin's theory of evolution is the idea that species change over time through the process of natural selection. This theory was first presented in Darwin's book "On the Origin of Species" in 1859. According to the theory, species evolve through the gradual accumulation of small variations in their characteristics, which give some individuals an advantage in survival and reproduction.
Over time, these advantageous variations can become more widespread in a population as individuals with these traits pass them on to their offspring. This process is known as natural selection. The theory of evolution by natural selection provides a scientific explanation for the diversity of life on Earth, and it is widely accepted by the scientific community as one of the most well-established scientific theories. It has had a profound impact on many areas of science, including biology, genetics, and ecology, and it continues to shape our understanding of the natural world.
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The organic compounds in living things are organized into groups: carbohydrates, lipids, proteins, and nucleic acids. Which two macromolecules play a role in storing and providing energy in an organism?.
The two substances that are used as an energy source by living beings most frequently are carbohydrates and lipids.
Biomolecules in briefly?Carbohydrates, lipids, proteins, and nucleic acids are examples of biological molecules found in living systems. These organic or molecular substances serve a variety of purposes within the cell. One of these capabilities is their ability to be broken down and produce energy for the cell.
What exactly are organic substances like proteins, lipids, and nucleic acids?Proteins, lipids, carbohydrates, and nucleic acids are all categorized as biological macromolecules because they interact with biological systems and their surroundings. The composition of the constituent elements determines the characteristics of all these organic compounds.
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what decisin would you ultimately maks and why? explain whether you feel more closely aligned with the anthropocentrist philosophy of gifford pinochet or the ecocetrist philosophy of john muir
As for me, I will feel more closely aligned with the anthropocentrism philosophy of Gifford Pinochet as the wise usage of natural resources ensures continuous existence of humans and taking humans as most important beings give us reason to live and have a support aid as only humans actually understand one another.
What is anthropocentrist philosophy of Gifford Pinochet or the ecocetrist philosophy of John Muir?Anthropocentrism is the philosophy that human beings are the most important consideration in any ethical decision. Gifford Pinchot was an American forester and politician who advocated for the "wise use" of natural resources, primarily for the benefit of human society. He believed that nature existed for the benefit of human beings, and that responsible resource management was necessary to ensure that future generations would also have access to these resources.
Ecocentrism, on the other hand, is the philosophy that all living things in the ecosystem are of equal moral value and that human beings have no greater right to exploit the environment than any other species. John Muir was an American naturalist and preservationist who advocated for the protection of wilderness areas and the recognition of their intrinsic value, separate from their usefulness to human beings. He believed that nature had its own rights, and that human beings had a moral duty to respect and preserve the environment.
Therefore, the correct answer is as given above
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What type of membrane protein is a channel protein gated channel protein and carrier protein?
Answer:
transport protein
Explanation:
A transport protein completely spans the membrane, and allows certain molecules or ions to diffuse across the membrane. Channel proteins, gated channel proteins, and carrier proteins are three types of transport proteins that are involved in facilitated diffusion.
the blueprint for the polypeptide chain of insulin is found in the
The blueprint for the polypeptide chain that is insulin is found in the DNA of specialized pancreatic cells.
How DNA is making polypeptide chains?DNA is the genetic material, which transcribes into the RNA, then mRNA is translated into amino acids which makes a polypeptide chain of insulin. This insulin helps to control blood glucose levels.
In type 1 diabetes the immune system generally attacks the beta cells that produce insulin in your pancreas, which fluctuates blood glucose level.
Therefore, DNA acts as the blueprint for the polypeptide chain for insulin.
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The given question is incomplete, so most probably complete question is,
In humans, insulin is manufactured in the pancreas. Insulin is a peptide hormone that causes the body's cells to take up glucose. The blueprint for the polypeptide chain that is insulin is found in the __________ of specialized pancreatic cells.