Answer:
O The plasma membrane controls the flow of materials into the cell
Explanation:
Which three statements about dialysis are true
please add options little bro
Answer:
It’s a time-consuming procedure.
It uses a machine to purify blood.
It’s a temporary remedy for renal failure.
Explanation:
What is an age structure?
An age structure is represented by an age pyramid. The three major groups are pre-reproductive, reproductive, and post-reproductive. A triangular-shaped pyramid represents a stable population. A bell-shaped polygon is characterized by equal numbers of young and middle-aged organisms. An urn-shaped age structure indicates a declining population. This structure is characterized by a high percentage of young organisms.
The correct among these are A bell-shaped polygon is characterized by equal numbers of young and middle-aged organisms. An urn-shaped age structure indicates a declining population.
A population pyramid, sometimes referred to as an age structure diagram or an age-sex pyramid, is a visual representation of the distribution of various age groups for each gender in a given geographic area. The pyramid often has a pyramidal shape. Pre-reproductive, reproductive, and post-reproductive are the three main pyramidal categories.
A pyramid with three triangles stands in for a populace that is expanding.An equal number of young and middle-aged organisms make up a bell-shaped polygon.A diminishing population is indicated by an age structure shaped like an urn.To learn more about age structure visit the link:
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Answer: its both "A bell-shaped polygon is characterized by equal numbers of young and middle-aged organisms." and "An urn-shaped age structure indicates a declining population."
Explanation:
If you are sick from a bacterial infection what do you use to treat that infection ?
Answer:
Antibiotics usually cure bacterial infections. They sometimes go away on their own or can be treated without antibiotics, but it's always best to check with a healthcare provider for the best way to treat them.
Explanation:
Orchids are flowering plants that grow on other plants,
including trees. However, orchids do not harm the trees. By
growing on them, orchids can reach more sunlight.
What kind of relationship do orchids and trees have?
A. Competition
B. Parasitism
C. Commensalism
D. Mutualism
Answer:
Commensalism
Explanation:
hope this will be helpful
The specific chloroplast structure that contains the photosynthetic pigments is the.
Thylakoids contain photosynthetic pigment in the chloroplast.
What is a photosynthetic pigment?
Photosynthetic pigments are a form of natural pigment that aids photosynthesis.
The main groups of photosynthetic pigments consist of:
Chlorophyll.Carotenoids.Phycobilins.Flavonoids.Thylakoids are parts of chloroplasts and cyanobacteria that are surrounded by a membrane. They are where the reactions of photosynthesis that depend on light happen. Thylakoids are made up of a thylakoid membrane and a thylakoid lumen inside. Chloroplast thylakoids often stack up in groups of discs called grana.
Hence, the green pigment chlorophyll is located within the thylakoid membrane, and the space between the thylakoid and the chloroplast membranes is called the stroma.
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Explain some of the processes that may be involved in a scientific investigation such as experimentation and analysis.
Experiments test whether the predictions are correct and the hypotheses are supported. It is important that the experiment is a fair test. Do a fair test by making sure you only change one element of her at a time while keeping all other conditions the same.
The experiments should be repeated several times to ensure that the initial results are not accidental. The basic process is to make observations, form hypotheses, make predictions conduct experiments, and finally analyze the results. The principles of the scientific method can be applied to many fields such as scientific research business and technology.
The six steps of the scientific method include first asking questions about what you are observing second conducting background research to find out what is already known about the subject third forming a hypothesis, and fourth experimenting to test. hypotheses fifth analyze data from experiments and draw conclusions and sixth communicate results to others.
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the z-line is: group of answer choices a protein disk that bisects and anchors the i-band. the area between filaments. a bundle of myofilaments. extensions of the sarcolemma.
Z line also called Z disc. It is a dense protein material that divides one sarcomere from another. It passes through the center of I band and bisect the I band A protein disk that bisects and anchor the I band.
A muscle sarcomere's limits are indicated by the Z disc (or Z line). A single sarcomere is delineated by two nearby Z discs along the myofibril. The attachment points for the thin filaments are the Z discs. Thus, two nearby sarcomeres are reached by thin filaments that stretch from each Z disc. The Z discs of a sarcomere close together when a muscle fibre contracts. One considers mature Z-discs to be one of the most complex macromolecular structures in biology since they are likely made up of hundreds of distinct proteins. Z-discs, which are challenging to see in standard light microscopy, show up as electron dense bands in the longitudinal view of electron microscopy that range in size from 30 to 50 nm in rapid muscle to between 100 and 200 nm in slow muscle.
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PLEASE ITS URGENT I WILL GIVE BRAINLIEST
A ______ is a group into which organisms are classified
a. class
b. archaea
c. phylum
d. taxon
Answer:
taxon
i hope that this helps
How does the concentration of acid rain affect the growth of radish seeds (the length of the radicle in centimetres)?
Acid rain and a lower pH can typically alter a radish's germination and growth.
High pH negatively affected the germination rate of seeds from most species, but had no effect on the per cent germination of any of the species. In an experiment when radish is grown at 7 pH grew thick and sturdy. studies shows that radishes watered with a low pH level do not grow to be tall and radishes watered with an exact acid level to neutral grow to be tall.
increased acidic level (pH 2.0) of the rain water affects the seed germination by the rate of 40% as compared to that of lower level of acidity.
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you analyzed sugar solutions that were digested and undigested using the same enzyme system as you did to analyze glucose in all other solutions. discuss the components of the sugar solution and how the digestion process affects those components.
Water serves as the solvent and sugar serves as the solute in the sugar solution.
What are the components of sugar solution?
The major components of the sugar solution are water and sugar. True solutions are described as a homogeneous mixture of two or more components dispersed in a fluid with particles smaller than 10-9 m or 1 nm.
The most powerful source of energy for your body comes from the digestion and absorption of sugars. During digestion, starches and sugars are broken down into the single units glucose, fructose, and/or galactose, which are absorbed into the blood stream and transferred for use as energy throughout the body, both mechanically (for example, through chewing) and chemically (for example, by enzymes).The mouth, stomach, and intestines are the sites of digestion.
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Questions on The excretory system
The function of skin is in perspiration, liver for deamination, kidney for ultrafiltration and Lungs for expiration.
What is excretion and how does it keep the body balanced?Excretion is the process in which all the waste substance either in the form of liquid or solid gets off our body .Skin is an excretory organ which excretes out sweat which is produces as a result of excessive work .Liver , the largest organ of our body is an excretory organ which helps in deamination a process of converting ammonia in toxic form to detoxic form .Kidney the bean shaped organ of our excretory system helps in urine production , selective reabsorption , ultrafiltration etc.Lungs the two pumping organs of our body , when we breathe in air get filled in lungs and we expire the air gets expired out of lungs.To know more about excretory system visit:
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If research is restricted, then the new discoveries made are limited. Which action is most likely to increase the number of discoveries scientists can make? A. Ignoring the scientific community. B. Declining more private funding. C. Ignoring public opinion. D. Removing government regulations.
The Removal of government regulations, which is a restriction can help in increasing the number of discoveries scientists can make. Thus, the correct option is D.
What is Government funding research?Government funding is the backbone for all the new research and discoveries in the country. Without this funding, the number of discoveries and technology will decline drastically in the country as the research requires a lot of money which every private organization may not be able to provide.
Therefore, by removing the government funding, the research most likely to decrease the number of discoveries that scientists can make through its help.
Therefore, the correct option is D.
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Which of the following are structural components of the cell membrane?
Answer:
Lipids , proteins, and carbohydrates group
The locations for three genes have been added to this cartoon. For clarity, the locations have only been noted on one chromatid. The lowest frequency of crossovers would occur between genes ____ and ____.
The locations for three genes have been added to this cartoon. For clarity, the locations have only been noted on one chromatid. The lowest frequency of crossovers would occur between genes a and b.
What are chromatids?
A chromatid is known as one of the two identical halves of a chromosome that has been replicated in preparation for cell division. There are normally two “sister” chromatids which are joined at a constricted region of the chromosome called the centromere but during the anaphase stage of a cell division, They get torn apart and they are distributed among the cytoplasm of each daughter cell.
A vast quantity of DNA that is arranged physically into a single structure is called a "chromosome." Because of this, the "sister chromatids" are regarded as being separate chromosomes even though they are joined together. Each chromatid is thought to be its own chromosome once they are divided during anaphase.
The Picture of cartoon has been attached.
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what would most likely be the effect of creating and expressing one regulatory transcription factor if the expressed protein had a dimerization domain but lacked an ability to interact with mediator proteins?
Genes whose transcription is regulated by the typical dimer would have decreased activity.
This is due to the transcription factor's failure to interact with mediator proteins, despite being able to bind to the enhancer or promoter region of the DNA that needs to be transcribed. As a result, the transcription factor would not be able to carry out its intended function. The so-called "coactivators" of transcription are the mediator proteins. To activate and accelerate the rate of transcription, they collaborate with transcription factors. The rate of transcription will slow down if they don't interact with the transcription factors properly.
Thus transcriptional activity of genes regulated by the typical dimer would be reduced.
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Used to mix combinations of materials and to assist in the pouring of liquids.
Stirring rod is used to mix combinations of materials and to assist in the poring of liquids.
A glass stirring rod, sometimes called a glass rod, stirring rod, or stir rod, is a piece of equipment used in laboratories to mix substances. They typically have rounded ends, are made of solid glass, and are about the same length and thickness as a drinking straw.
Stirring rods should be used while decanting supernatants according to proper laboratory technique since the contact helps to minimize the adhesion between the supernatant and the glassware, which is what causes the liquid to run down the side. Furthermore, utilizing a stirring rod provides you greater control over the flow's velocity, which is essential when working with chemicals that could react aggressively.
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Plant and animal cells also require cytoskeletal proteins for cytokinesis, although the roles these proteins play differ among bacteria, plants, and animals. True or false?.
During the construction cycle of the building, materials and components are delivered to the site. List a strategy that you will use to recycle the waste produced during the construction phase.
The following are some strategies for recycling waste generated during a building's construction:
• Build It Back Into the New Building
• Build to Standard Dimensions
• Find Your Local Recycling Facility,
• Consider Deconstruction Rather Than Demolition and the Savings.
Repurposing construction trash into the new structure or construction site is the most intelligent approach to do it. This may occur in part naturally. Wall demolition is not always necessary when redesigning a space.
Using building materials that are provided in standard measurements may be an option for construction projects. The less you have to modify or make cuts, in addition to the time and effort you will save, the less waste you will produce.
Local is the crucial word here. If transporting construction trash for recycling consumes an excessive amount of time, labor, or petrol, find another solution (like avoiding waste instead). Find out what they accept and when they open at the recycle facility if it is close enough.
Some regions have organizations that collect useful things without causing damage for reuse in social housing projects. The client that is paying for the entire project may also receive tax benefits.
In case you had any reservations, recycling construction waste not only benefits the environment but also presents a chance for increased profitability, better client prices, or both.
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Number the steps for balancing equations:
Use coefficients to increase the atoms on each side.
Check to make sure you have the same number of each type of atom on each side.
Count the atoms on each side.
Identify the atoms on each side
answer:
Identify the atoms on each side
count the atoms on each side
use coefficients to increase the atoms on each side
check to make sure you have the same number of each type of atom on each side
Answer:
The guy abo me is right, he wrote them in the order they are supposed to be.
The majority of dissolved tons in seawater is , roughly a 0.5M NaCl concentrationThe lonization constant of is 2.0. Calculate the solute potential for seawater if you know that the water is 2C
The solute potential for seawater is -2.6 kPa.
What does solute potential mean?When a solute is dissolved in water, it is less likely to osmotically diffuse away than when it is not. A solution's water potential will be lower and more negative than that of pure water.
Additionally, as there are more solute molecules present, the solute potential becomes more negative. Many different living species are significantly impacted by osmotic potential. If a live cell is surrounded by a more concentrated solution, it will likely lose water as a result of the environment's higher water potential. Both marine creatures that live in sea water and halophytic plants that grow in salty conditions can demonstrate this.
The solute potential for seawater is -2.96 kPa.
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Describe the pattern of precipitation in this place. Is it seasonal or year-round?
The patterns of precipitation in Bangkok are monsoons. It has been a seasonal climatic factor there.
Rainfall patterns change with the seasons and the Sun's north-south motion, especially within and close to the tropical rain belt. Near the equator, there may be two wet seasons and two dry seasons. The two equinoxes in March and September, when the midday Sun is directly overhead and at its strongest, are when it rains the most. The year can be divided into a single wet and dry season further from the equator. The Northern Hemisphere experiences its wettest months in June and July.
In particular for places where the average quantities are minimal, the long-term average precipitation amounts for a season or a year provide little insight into the frequency with which rain may be anticipated.
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Examining 9-10, explain where the cropland produced goes:
The cropland produced comprises it's 10% to permanent crops like cocoa. Another 21% is owed to preparation of irrigation.
Areas used for the cultivation of harvestable crops are referred to as cropland. Cropland is divided into two subcategories: cultivated and non-cultivated. About 10% of cropland is dedicated to permanent crops like cocoa plantations, oil palm plantations, and fruit tree orchards. A further 21% of land is prepared for irrigation, a crucial agricultural land management technique.
Approximately five billion hectares, or 38% of the world's land surface, is used for agriculture. About one-third of this is utilized for farming, and the remaining two-thirds are pastures and meadows for grazing animals.
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A student is examining an onion cell under a microscope. Based on their observations, the student proposes that the onion cell is in interphase.
Answer:The DNA is beginning to condense and become visible.
Explanation:
you are lost. over time, you find that the area that you are in has relatively stable temperatures and abundant rainfall. the plants and animals you see in the area are consistent with those you know to be associated with temperate deciduous forests. which letter marks the area you are in?
The area has abundant rainfall and stable temperature thus, it is a temperate deciduous forest. The letter that marks the area is capital D.
Temperate deciduous forests are the forests with variety of seasonal change dominated by the variety of temperate forests. Temperate deciduous forests are located in the mid-latitude areas that is they are found between the polar and the non-polar regions.
The temperature in this forest varies from season to season including cold winter and hot, wet summers. In, deciduous forests are studied to get 750 to 1,500mm of precipitation that spreads evenly throughout the year.
During the winters, the trees change their color and lose their leaves. This is how they prepare for the winter season. Due to excess cold the trees adapted to this period by getting into a period of dormancy or sleep. The bark is thick to protect them from cold weather.
Many different kinds of trees, shrubs and herbs grow in deciduous forests. There are mosses also in deciduous forests as because of broad leaves very small amount of sunlight gets through and reach the ground.
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which receptor is most sensitive to 300 hz vibrations? question 19 options: meissner's corpuscle hair follicle receptor pacinian corpuscle merkel cell-neurite complex ruffini ending
Pacinian corpuscles receptor is most sensitive to 300 hz vibrations.
Vater-Pacini or lamellar corpuscles, also known as pacinian corpuscles, are sensory receptors for deep pressure and vibration that are crucial for proprioception. They can be found all over the body, but the hands and feet are where they are most prevalent and closely clustered. It has been discovered that pacinian corpuscles are situated close to and inside capsuloligamentous structures, where they can supply reflexogenic feedback and indirect support for joint stability.
Both hirsute (hairy) and glabrous (hairless) skin, viscera, joints, and the periosteum of bone include this type of mechanoreceptor, which is principally in charge of sensitivity to vibration. A small number of them are also susceptible to low frequency or quasi-static pressure stimuli. The majority of them only react to abrupt perturbations and are particularly sensitive to vibrations at frequencies under a few hundreds Hz.
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local innate immune responses attempt to control a parasite in the early stages of infection. what happens if these local immune responses fail to control the parasite?
When local immune responses fail to control a parasite in the early stages of infection, antigen and antigen-loaded dendritic cells move to the lymphatics and then to local lymph nodes.
What are parasites?
A parasite is any organism that lives on or in a host organism and gets its food from or at the expense of its host. A parasite cannot live, grow, and multiply without a host, For this reason, a parasite rarely kills its host, but it can spread diseases, some of which may be fatal.
There are three main classes of parasites that can cause disease in humans namely: protozoa, helminths, and ectoparasites.
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In 1996, the World Trade Organization (WTO) ruled that the U.S. Environmental Protection Agency (EPA) regulation calling for cleaner gasoline discriminated against foreign producers and violated WTO agreements. The EPA was forced to rewrite the rule to allow for dirtier gasoline. What effect did this revision likely have on world trade?
A.The revision probably decreased world trade because gasoline that previously couldn't be sold in the United States had to be sold in other countries.
B.The revision probably increased world trade because gasoline that previously couldn't be sold in the United States was then allowed to be sold there.
C.The revision probably decreased world trade because gasoline that previously couldn't be sold in the United States was then allowed to be sold there.
D.The revision probably increased world trade because gasoline that previously couldn't be sold in the United States was made to meet a higher environmental standard
Option A The revision probably decreased world trade because gasoline that previously couldn’t be sold in the United States had to be sold in other countries.
What part does the WTO play in preserving the environment?Through its goal of promoting sustainable development and preventing protectionism, its regulations and enforcement procedures, and its participation in other WTO bodies, the WTO helps to conserve and preserve the environment.
What environmental harm is the WTO causing?One of the main causes of deforestation, soil erosion, excessive water consumption, marine pollution, and finally species extinction is the increase in commerce in natural resources.
What does the 1995 establishment of the WTO mean?The sole international body that has been dealing with international trade regulations is called as the World Trade Organization (WTO). The WTO agreements, that were negotiated, signed, and then ratified by the majority of the world’s trading states, form the foundation of the WTO.
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a true-breeding, purple-flowered pea plant is repeatedly mated with a true-breeding, white-flowered pea plant. all of their offspring are purple-flowered. if two of these purple-flowered offspring are mated, what percentage of their offspring will be white-flowered?
25%.
When self-crossed, the offspring would be PP, Pp, Pp, and pp. As all of the purple offspring are heterozygous Pp for the trait and are thus all purple, pp genotype out of these would be white as it is homozygous recessive, hence 1/4 are white or 25%.
Feel free to leave a comment below if you have any further questions. I'd appreciate a nice review if you found my response useful. I'm grateful.
What is heterozygous?
Heterozygous is a term used to describe the genotype, or set of alleles, that an organism possesses. The phenotype develops as a result of the genotype. A heterozygous person has distinct phenotypes depending on the varying connections between alleles. The heterozygous phenotype will be identical to the dominant phenotype in alleles that exhibit total dominance.
In contrast, incomplete dominance results in a heterozygous phenotype that falls in the middle of the dominant and recessive phenotypes. When the various alleles express themselves separately in various bodily regions, the third sort of association called codominance occurs. When a characteristic is codominant, heterozygous people will exhibit the phenotype of one allele in some areas of their bodies and the phenotypic of the other allele in other areas.
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Q5.
Figure 1 shows guard cells around open stomata magnified 800 times.
(b) The image size of one of the guard cells is 26 millimetres long.
Calculate the real length of the guard cell in micrometres.
Include the equation you are using to calculate your answer.
The real length of the guard cell in micrometers would be 32.5 micrometers.
1 millimeter = 1000 micrometer.
Magnification problemThe guard cell has been magnified 800 times.
Assuming the real size of the guard cell is x:
800x = 26 millimeter.
Solve for x:
x = 26/800
= 0.0325 millimeter.
Meaning that the real length of the guard cell is 0.0325 millimeters.
Now, let's convert this size to micrometers.
1 millimeter = 1000 micrometer
Thus,
0.0325 millimeter = 1000 x 0.0325
= 32.5 micrometers.
The real length of the guard cell in micrometers is 32.5 micrometers.
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Taxol is an anticancer drug extracted from the pacific yew tree that binds to microtubules and prevents their depolymerization. Which phase of mitosis or cell division would be inhibited by treatment with taxol?.
The phase of mitosis or cell division that would be inhibited by treatment with taxol is Metaphase.
What is the metaphase?
Metaphase is a stage during the process of cell division (either mitosis or meiosis) where the nucleus dissolves and the cell's chromosomes condense and move together, aligning in the center of the dividing cell. The alignment of the chromosomes is possible as a result of microtubules.
Taxol an anticancer drug extracted from the pacific yew tree, prevents the microtubules from aligning the chromosomes and hence the chromosomes will not be able to split.
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