Answer:
D It helps maintain an equilibrium of particles inside and outside a cell.
Explanation:
Have good day
True or false? A solid under pressure can be made too flow
False because solid cannot flow .
Under high pressure, all solids shows a array of atomic and electronic transformations into more concise forms, eventually approaching a metallic state. In solids they have a strong force of attraction between the molecules and the space between them is very less. so these molecules are therefore, not free to move.
Some of the important characteristic of solids are ,Solids have definite shape ,Solids have strong intermolecular interactions, that indicate their molecules interact strongly with each other, causing them to accumulated closely and be at fixed positions.
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BPA is a chemical compound that was used in the manufacturing of plastic. When it comes into contact with cells, the cells mistake it for hormones that stimulate cell division. BPA is considered to increase the risk of certain cancers. Using knowledge of the cell cycle explain why and how this compound increases the risk of cancer?
Research has shown that exposure to BPA can disrupt the functioning of the endocrine system. However, the levels of exposure in most people's daily lives are unlikely to result in serious harm. BPA has destructive effects on DNA and chromosomes in normal body cells via estrogen receptors (ER). Therefore, BPA could be considered as an important mediator in many diseases such as cancer. he toxic chemical has been linked to causing reproductive, immunity, and neurological problems, as well as an increased likelihood of Alzheimer's, childhood asthma, metabolic disease, type 2 diabetes, and cardiovascular disease.
BPA can mimic estrogen to interact with estrogen receptors α and β, leading to changes in cell proliferation, apoptosis, or migration and thereby, contributing to cancer development and progression.
5. (2) If the body is 17% protein, 2% carbohydrates and 1% nucleic acids, and 17% fat, what percent
water are they?
The water is 60 % in the human body when 17% is protein, 2% carbs , and 1% nucleic acids.
What is carbohydrates, nucleic acid and how come the water be 60%?Carbohydrate , is a significant human diet need which we get from rice, potato and lot of other food products.Nucleic acid as we have studied holds a role in human genetic evolution.Nucleic acid was discovered Friedrich Meisher who also discovered Nuclein.Our body is composed of lot more percentage of water than protein , carbs and other important biomolecules.About 60% of the human body is composed of water is a fact putting aside all the factors like protein, carbs etc.To know more about Carbohydrate visit:
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humans use horses to do work. They also care for these horses and feed them. What type of relationship does this describe?
A. predator-prey
B. cooperative
C. parasitism
D. mutualism
Definition: This is an organism's response to a stimulus developed without being taught or watching another organism.Example: dropping a hot potato
Innate reflex are responses that are performed in automatic towards certain kind of stimulus. A good example is the one you provide, whenever you touch a hot potato you will drop it immediately.
2. What are major determinants of local weather patterns?
4. How does increasing the amount of batteries in a circuit affect the power output?
IV-
DV-
Constants-
While wiring in parallel increases battery capacity, wiring in series boosts voltage.The overall voltage remains constant.This indicates that connecting two 12V 30Ah batteries in parallel would result in a 60 amp-hour battery.
What happens if more batteries are added to a circuit?
A second battery is added to the circuit, which results in a stronger push produced by the two batteries working together to move the charged particles through the circuit more quickly.This increases the amount of charged particles passing through each point in the circuit each second, increasing the current's magnitude. More power components can be added to the circuit to raise the output voltage, which will result in higher voltage output.Because the current must pass through each component in the circuit, the current remains constant and at the same level throughout the entire circuit. All components carry the same amount of current.But when batteries are added in parallel, there is a significant degree of repulsion felt by both batteries at the positive terminals, which lowers the amount of charge on each terminal and lowers the voltage of each battery.Both positive terminals have received the same overall charge as when utilizing a battery. parallel wiring batteries with various voltagesBecause primary (disposable) batteries are not made to hold a charge, they are more prone to overheat, leak, or bulge. In extreme cases where the voltages are drastically different, they may even explode. Higher voltages or current can be supplied by connecting two or more power supplies.Connecting the power supplies in series, setting each one to output the same voltage, and matching each supply's current limit is the simplest way to generate higher voltage. You can enhance the voltage or amp-hour capacity, or perhaps both, by connecting two or more batteries in series, series-parallel, or parallel. This enables higher voltage applications or power-hungry applications. Since the same charge is passed through the same voltage (potential) twice, adding two batteries in series results in an increase in potentials (voltage), but the current flow does not change.For starters, it's crucial to examine the essential adjustments that should be made when charging your battery when discussing batteries that are connected in either series or parallel.In order to power machinery that needs higher voltage levels, batteries connected in series stack their voltages. Using jumper wires, you can join two batteries together in parallel by connecting their negative terminals to one another and their positive terminals to the other.Positive to positive and negative to negative You CAN attach your load to ONE of the batteries, and both will be equally discharged.To learn more about circuit refer
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The researchers Coon and Steinberg found that which of the following contributed to intellectual performance among people from similar economic and social backgrounds?
Question 6 options:
Cognition
Heredity
Emotions
Parenting style
The researchers Coon and Steinberg found that parenting style contributed to intellectual performance. The correct option is d.
What is parenting style?A parent's psychological conduct that reflects how they raise their children is known as their parenting style. Many different things, including the environment, economic situation, etc., have an impact on parenting style.
Social background is the kind of family a person comes from. It takes into account a person's upbringing, intelligence, way of life, family history, etc.
Therefore, the correct option is d. Parenting style.
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Answer:
Parenting style
Explanation:
what are examples of lipids
Examples of lipids that make up the majority of the cell membrane that isn't protein include fats, oils, waxes, some vitamins (including A, D, E, and K), hormones, and certain vitamins.
Because they are non-polar, lipids are not soluble in water but are soluble in non-polar solvents like chloroform. Organic materials are lipids. They dissolve effortlessly in nonpolar solvents (such as ether) but not in polar ones (e.g. water). With or without other kinds of biomolecules, it often consists of glycerol or fatty acid units. Many lipids are amphiphilic or amphipathic as a result of having both hydrophobic and hydrophilic components.
Lipids come in a wide range of varieties. Common lipids include things like butter, vegetable oil, cholesterol, other steroid hormones, waxes, phospholipids, and fat-soluble vitamins. These compounds all have the trait of being basically water-insoluble yet soluble in one or more organic solvents.
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Which cell type would contain the code genes for the most proteins for any given organism
The____ uses the energy of_____ and____ to build carbohydrate molecules. 237
Through photosynthesis, certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules.
Carbohydrate Molecules?Having the standard chemical formula Cx(H2O)y, a carbohydrate is a naturally occurring substance or a derivative of one, made composed of molecules of carbon (C), hydrogen (H), and oxygen (O) (O). The most prevalent organic compounds are carbohydrates, which are essential to all living. Typical CarbohydratesGlucose.Galactose.Maltose.Fructose.Sucrose.Lactose.Starch.
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Which of the following is an example of respiration?
O Breathing only
O Passing gas
O Reproduction of new cells from old cells
O Transformation of food into energy
Answer:
transformation of food into energy
Brown eyes is dominant to light eyes. Mr. O’Ryan has blue (light) eyes. Mrs. O’Ryan is heterozygous
for brown eyes. What are the eye color possibilities of their son, Kellan O’Ryan? *Use letter B
Refer to the cladogram shown above. The numbers 1 through 5 represent species that exist today. What's the most recent common ancestor of species 1 and 4?A) DB) BC) AD) C
The answer is the letter D. C - is the most recent common ancestor of species 1-4.
*As we can see in the cladogram, species C gives rise directly to species 4 and the other ancestors of species 1, 2, and 3 namely A and B.
What is the relationship between bond type and electrical conductivity? How can you use this relationship to predict the bond type in a substance based on electrical conductivity?
Answer:
If a compound is conductive when dissolved in water, it is ionic. If a compound is not conductive when dissolved in water, it is covalent. If a compound is conductive in its pure state, it is metallic.
Explanation:
When you touch a sharp object and cut yourself, your brain receives the pain messages from your hand and sends a signal back to your hand to pull away from the painful object. Those messages are sent to the hand using __________ neurons.
Question 12 options:
axial
efferent
afferent
sensory
Those messages are sent to the hand using sensory neurons.
Axons are long single fibers that carry messages from the cell body to the dendrites of other neurons or other body tissues such as muscle. In muscles, this electrical message causes them to contract or shorten. Think of catching a ball. The brain tells neurons to send electrical signals to the neuromuscular junction. This releases neurotransmitters into your finger muscles, which contract to catch the ball.
Motor neurons release chemicals that are taken up by muscle fibers. This causes the muscle fibers to contract and the muscle to move. Neurons carry messages from the brain through the spinal cord. These messages are sent to the muscles, directing muscle fibers to contract and causing the muscles to move. Neurons that are sending signals release chemicals called neurotransmitters. This chemical binds to receptors on the surface of receiving neurons.
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What is not considered unsolicited contact with medicate eligible consumers according to cms regulations
Mailing a marketing brochure to the consumer via postal mail or Not emailing a patron off a bought list is not considered unsolicited contact with medicate eligible consumers according to CMS regulations.
What are CMS regulations?CMS regulations set forth or alter the manner in which CMS manages its programs. CMS regulations may have an influence on service providers, service suppliers, and those who are enrolled in or entitled to benefits under CMS programs.
The Children's Health Insurance Program (CHIP), Medicare, Medicaid, and the state and federal health insurance markets are all under the CMS's supervision. CMS seeks to eradicate instances of fraud and abuse in the healthcare system by gathering and analyzing data, producing research reports, and conducting research.
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Which explains how ocean currents affect global climates?(1 point)
Responses
Water absorbs a lot of thermal energy and releases it all at once.
Water absorbs a lot of thermal energy and releases it over time and distance.
Water absorbs little thermal energy and releases it over time and distance.
Water absorbs little thermal energy and releases it all at once.
Compare and contrast the characteristics of the ideal tissue forming the outer surface of the body with that forming the lining of the small intestine.
The tissue that forms the outer surface of the body is a stratified squamous epithelial cells whereas the lining of internal organs is made up of columnar epithelial cells.
What are tissues?Tissue is a group of cells which are similar in structure and function. The tissues which forms the outer surface of body are stratified squamous epithelium tissues, these cells have very flat surface. The surface layer of dead cells in the outside is vital for the protection of the body.
The tissue which lines up the digestive tract, the intestine is made up of a layer of columnar cells which are important for the facilitation of the absorption of nutrients in the body.
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Explain why scientists say the earth has too little and too much ozone?
A mechanic uses a hydraulic car jack to lift the front end of a car to change the oil. The jack used exerts 8000 N of force from the larger piston. To pump the jack, 4000 N of force is exerted on the small piston, which has an area of 2 m2 . What is the area of the large piston?
The area of the large piston of the hydraulic car jack is 4 meter².
Hydraulic machines use liquid fluid power to carry out paintings. Heavy production cars are a common instance. in this form of device, hydraulic fluid is pumped to numerous hydraulic cars and hydraulic cylinders throughout the machine and will become pressurized in step with the resistance gift.
Hydraulics is a mechanical function that operates through the force of liquid pressure. In hydraulics-based structures, mechanical movement is produced by way of contained, pumped liquid, typically via hydraulic cylinders shifting pistons.
Hydraulic fluid creates fluid strength by pumping the fluid via the hydraulic machine. The fluid flows to the cylinder thru the valve, and the hydraulic electricity converts it lower back to mechanical strength. The valves are useful resources to direct the flow of the fluid and the pressure may be relieved if wanted.
calculation:-
F₁/small area₁ = F₁/large area
4000 N / 2 = 8000 N / large area
Large area = 8000 / 2000 m²
large area = 4 meter²
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From the perspective of a single chromosome, tell a story (first person, use about how you change throughout the process of meiosis. Be sure to include when you replicate and what results from your change: 4-6 sentences
Meiosis is a cell division process that produces four haploid cells (gametes) form one diploid cell (sex cells). It is divided into two stages (meiosis 1 and 2) with four phases each. Story in the explanation.
What is meiosis?
Meiosis is the cell division process through which a diploid cell (2n) produces four haploid daughter cells (n).
After DNA replication there are two meiotic phases.
The first one is a reductive phase, in which homologous chromosomes separate. In the second phase, the cell suffers a new, not reductive division.Story
I am a chromosome from a sex cell. I suffer a few modifications when the cell enters the cell division process.
There is a reductive first stage called meiosis I. During this phase, I go through 4 steps,
In the prophase, I condensate and become visible. My homologous chromosome gets near me, and we interchange fragments of our bodies. This event is the crossing-over.
During the metaphase, my homologous and I align in the equatorial plane, where all chromosomes arrange before being separated.
Once the anaphase begins, my homologous and I separate. Each of us migrates to opposite poles.
When I reach my pole, I get together with other chromosomes, and a nuclear membrane surrounds us. This phase is the telophase.
The cell suffers cytokinesis, and two haploid cells are formed. I am in one of them.
The second phase is called Meiosis II. Before this phase, we duplicate.
In the prophase, my duplicated chromosome and I stick together. Now I am a chromatid, and my duplicated form is my sister chromatid. We are visible, and we are together.
In the metaphase, my sister and I migrate to the equatorial plane of this new haploid cell.
In the anaphase, some enzymes break the bonds that keep my sister and me together, and we migrate to different poles again.
In the telophase, I reach a new pole where I join other chromosomes. And again, a new nuclear membrane surrounds us.
Cytokinesis occurs again. I am now part of one of the four haploid cells (gametes).
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Water is one of the most powerful forces on Earth. How oes the example shown here illustrate the theory of Eniformitarianism ? Type your answer here .
Answer:
The principle of uniformitarianism states about the modification in the planet surface over time through a constant and continuous process. It suggests that the change is the same in the present and past development.
The theory of uniformitarianism can be explained as:
The theory or the principle was given by the Scottish Geologist Hutton. It is a complete contrast to the theory of catastrophism.
According to the principles of this theory, the present is the mirror to the history and the geological evolutions of the past eras.
The principle states that the geological process is continuous and constant rather than being broken or discontinuous.
The image depicts the soil erosion process of the land and shows that the erosion even happened in earlier times at that land and still in the present time the process is continuously going on.
Therefore, the image shows the erosion activity of land in past and present scenarios.
Explanation:
A group of ranchers was very concerned about a local wolf population that they thought was preying on their livestock. After several attempts, they persuaded a court to authorize a hunt in order to eliminate the wolf population in their area. The court set a quota of 200 wolves, to be eliminated over the course of six months. 15. State a negative effect that the removal of these wolves might have on the habitat. 16. How would this hunt affect the biodiversity of the area's natural ecosystem? 17. Suppose that you are a local environmental offi- cial in the area. Propose a plan that would pre- serve the wolves yet keep them away from the ranchers' livestock.
The wolf, like other large predators, is a key species in the functioning of ecosystems, since they regulate food chains from the top link. Now, with the excessive hunting of this great predator, there is an ecosystem imbalance because the food web where the wolf is involved would be destabilized. The absence of these carnivores can cause populations of their prey such as herbivores (moose) to increase dramatically and the vegetation of the natural area to be affected due to excessive herbivorous activity. This can cause biodiversity to be affected because the riparian forests (willows, poplars, alders) can be destabilized and therefore also the banks of the rivers. Therefore, the loss and deterioration of habitats is the main cause of biodiversity loss.
We can conclude that the correct answer is:
Answer:15. Ecosystem imbalance due to the destabilization of the food web where the wolf is involved.
16. The absence of these carnivores can cause populations of their prey such as herbivores (moose) to increase dramatically and the vegetation of the natural area to be affected due to excessive herbivorous activity. This can cause biodiversity to be affected because the riparian forests (willows, poplars, alders) can be destabilized and therefore also the banks of the rivers. Therefore, the loss and deterioration of habitats is the main cause of biodiversity loss. In fact, many scavenger species (magpies, eagles, ravens, bears) depend on wolves because they can prey on the remains of wolf prey. If there is damage to the vegetation of the natural area due to the excessive hunting of wolves, many birds would be affected, as well as beavers, amphibians, reptiles, and fish.
17. First of all, new or novel herding devices and herding methods must exist so that wolves do not get used to them and lose their natural wariness and caution. Increasing risk perception in wolves can help reduce livestock deaths caused by wolves. On the other hand, it is also possible to build pens to keep the cattle overnight in a small paddock, instead of fencing off large paddocks of many hectares. Finally, sheep and goat farmers around the world have been seen to use guard dogs to guard their livestock against carnivores and in most cases, the mere presence of the dogs seems to help keep wolves away from livestock.
Keeping a good record of the number of wolves in a natural area can be a valuable tool in resolving cattle-wolf problems. Observation records can help identify trends, problem areas, and vulnerable times of the year, helping to increase the effectiveness of preventative measures. For example, keeping good records helps identify grazing areas where predator problems repeatedly occur.
What are some organisms and what is their common names and binomial names
Answer:
Some organisms are
•Producers
•Consumers
•Herbivores
•Carnivores
•Omnivores
•Scavengers
•Parasites
•Predators
•Decomposers
Some common binomial names are
•Species
(Homo Sapiens)
•Genius
(Homo)
•Family
(Hominids)
•Order
(Primates)
•Class
(Mammals)
•Phylum
(Chordates)
•Kingdom
(Animals)
The examples of these are listed below in parentheses.
Are bacteria easier to observe on a plate or in a broth? How do the bacteria look in the plate compared to the broth?
Bacteria are easier to observe on a plate. The bacteria look in the plate compared to the broth as with very clear morphological structures including margin and elevation point.
On a plate as opposed to in a broth, bacteria are easier to see. While it is simpler to observe bacteria in a clear container and we are able to see their morphology (size, shape, elevation, and margin), when looking at bacteria in broth, we can only tell if the bacteria is turbid or if there is flocculent microbial growth at the bottom of the nutrient broth tube.
A unique bacterial cell or group that has repeatedly split is represented by each separate colony. Because they were kept together, the resultant cells have amassed to create a noticeable area. Most bacterial colonies are often round in form and appear white or creamy yellow in color.
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the half life of plutonium-239 is 24,300 years. If a nuclear bomb released 8 kg of this isotope, how many years would pass before the amount is reduced to 1 kg?
The number of years passes before the amount of 8 kg of plutonium-239 will reduce to 1 kg is equal to 72900 years.
What is the half-life of a radioactive element?The half-life period of the radioactive element can be described as the time required to reduce its original amount to half after disintegration.
Given, the original amount of plutonium-239 (N₀) = 8 kg
The amount remaining after disintegration (N) = 1 kg
Consider that 'n' is the number of half-lives.
N ×2ⁿ = N₀
1 ×2ⁿ = 8
2ⁿ =8
2ⁿ = 2³
n = 3
Now, the number of half-lives (n) of plutonium-239 = 3
Half-life of plutonium-239 (t½) = 24300 years
t = n ×t½
t = 3 ×24300
t = 72900 years
Therefore, 8Kg of plutonium-239 will take 72900 years to reduce to 1 kg.
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What types of memories are related to experiences that are intense or surprising?
Question 3 options:
Flashbulb memories
Prospective memories
Shallow memories
Tactile memories
Flashbulb memories are the type of memories related to experiences that are intense or surprising.
Flashbulb memories are the long-lasting memories that have great effect on the emotional state of an individual. It is due to some learning or experience of a dramatic event. The memory can trigger enthusiasm or terror. For example, a college graduation, birth of child, or even some terror attack.
Memories are the type of data stored inside the brain about past events. A memory is the one that is acquires, stores, pertained for a very long time and is also retrieved as and when needed. Memories are retrieved by the reactivation of some specific neurons.
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(Biology)(100 Points) How are models used?
Why do scientists and engineers use models?
What is the difference between an open and closed system?
What are some types of models?
Why might a model change over time?
(please explanation if possible)
Answer:
Models are used to represent aspects of the natural world that are too small, large, complex, or difficult to observe or explain directly.
Scientists use models in order to assist in the visualization of current knowledge of a system in the state that it is in at the present time.
Visual models, mathematical models, and computer models.
Models change over time as technology and equipment improve and ideas become modified.
Remember to revise these in your own words.
Answer
Explanation:
Scientists and engineers use models to test theories and/or use as examples
I don't know the second one
A model might change due to new information
Also yea college language am I not allowed to joke on an answer?!?
Help please thank you!!
Explanation:
maybe there are only 2 metalloids
Boron
Silicon