Bring oxygen, nutrients and other good things to every cell in your body are functions of the cardiorespiratory system.
Every cell in your body receives oxygen, nutrients, and other beneficial substances through the cardiovascular system, which is composed of your heart and blood arteries. Additionally, they remove trash and carbon dioxide. The cardiovascular system's primary role is to give nutrition and remove waste.
Your heart and blood arteries make up your cardiovascular system, which is an important component of your body. Your body's cells receive a constant supply of oxygen and nutrients from your blood when your circulatory system is functioning properly. Carbon dioxide and other waste are also expelled by blood vessels. Your heart and blood vessels can be kept healthy with your help. Keeping your blood pressure under control with exercise, balanced eating.
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how are bacteria helpful to grazing animals like cows, goats and sheep?
Volatile fatty acids are created as bacteria break down the diet, and grazing animals use these acids as energy for both maintenance and milk production.
Bacteria in the rumen aid a cow, sheep, or goat in breaking down its meal, such as hay or grass. Here, there is a symbiotic relationship where both the animal and the bacteria profit. In this instance, the cow offers the rumen bacteria a perfect setting for growth and a consistent source of food.
The grains and forages provided to the cow, sheep, or goat are then digested by the bacteria. These animals employ the products that the bacteria produce to produce milk, meat, or other materials that help the animal grow. Volatile fatty acids and microbial proteins are two of these compounds.
Microbial protein is essentially the protein found in the body of the bacteria. This protein is produced by bacteria in the rumen from ammonia and is a fuel source.
What are the different types of ruminant bacteria?
Prevotella, Butyrivibrio, and Ruminococcus are the three most prevalent bacteria in the rumen microbiome. This is a result of ruminant species consuming diets high in fodder, often composed of grass. This large need for cellulose-digesting bacteria is constantly present as a result of their regular high-forage diets.
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Describe two reasons why
a species might not be able
to expand its range.
what is the condition in which there is a failure of the brain's temperature regulatory center and the body temperature rises to dangerous levels?
Heatstroke is the condition in which there is a failure of the brain's temperature regulatory center and the body temperature rises to dangerous levels.
It is possible to experience heatstroke if your body overheats, typically as a result of extended exposure to or physical activity in hot environments. Having a body temperature of 104 F (40 C) or greater can result in heatstroke, the most severe type of heat damage. During the summer, the ailment is most prevalent. Treatment is urgently needed for heatstroke. Your heart, kidneys, muscles, and brain can all fast suffer harm if heat stroke is not untreated. The longer treatment is put off, the more damage there is, raising your chance of death or life-threatening consequences. excessive body temperature. The main symptom of heatstroke is an internal body temperature of 104 F (40 C) or greater, measured with a rectal thermometer. changed conduct or mental state. It is possible to experience delirium, convulsions, agitation, slurred speech, irritability, confusion, and coma.
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Light passes through the following structures in which order?
a. vitreous humor, lens, aqueous humor, cornea
b. aqueous humor, cornea, lens, vitreous humor
c. cornea, aqueous humor, lens, vitreous humor
d. cornea, vitreous humor, lens, aqueous humor
The following structures are illuminated in the order listed.b).cornea, aqueous humor, lens, vitreous humor.
The human eye is a sensory organ designed to respond to light to enable vision. The structures in the eye enable it to distinguish between variations in color, movement, and light.
Our eyes serve as our light collectors and provide sight. Its precise structures allow for the conversion of incoming light energy into electrochemical energy. This activates the brain's visual centers, making us feel as though we are seeing. One of the five senses that serve as "gatekeepers" for our bodies is sight.
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What is organ donation? I will report you if your answer is incorrect
Answer: an organ donation is when you donate one of your organs to someone who needs it more than you
Explanation:
if you have a heart donation it usually happens right after you die so your heart is completely intact
which organism is more efficient?
Answer:
Multicellular organisms are more efficient in its functioning because labour is divided among the cells and have great capacity to survive than unicellular organisms.
According to the video, the ATP cycle is the process of
A. Recharging ATP to form the fully charged cell energy molecule AMP in order to store and release energy.
B. phosphorylating ATP to form ADP and removing a phosphate from ADP to form ATP in order to store and release energy.
C. recharging ATP to form the fully charged cell energy molecule DNA in order to store and release energy.
D. phosphorylating ADP to form ATP and removing a phosphate from ATP to form ADP in order to store and release energy.
Phosphorylating ATP to form ADP and removing phosphate from ADP to form ATP in order to store and release energy. Option B.
ADP is continuously converted to ATP during cellular respiration upon the addition of phosphate. The main energy source for cellular metabolism is glucose, which is catabolized to ATP in three subsequent processes glycolysis, the tricarboxylic acid cycle TCA or the Krebs cycle, and finally oxidative phosphorylation.
When the phosphate group is removed by breaking the phosphoanhydride bond in a process called hydrolysis energy is released and ATP is converted to adenosine diphosphate ADP. Similarly, energy is released when the phosphate is removed from ADP to form adenosine monophosphate AMP. Adenosine triphosphate ATP is an energy source for use and storage at the cellular level. The structure of ATP is a nucleoside triphosphate composed of a nitrogenous base.
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4. State two ways in which E.coli is introduced into rivers.
5. Briefly explain how can the E.coli problem be solved by municipalities.
Sewage and stormwater discharge are the two ways E.coli is introduced into the rivers.
Briefly explain how municipalities can solve the E.coli problem.
Chlorine, ultraviolet radiation, or ozone can all be used to treat water to kill or inactivate E.coli, especially when the water comes from a private source like a well. It is necessary to disinfect systems that use surface water sources to remove all bacterial contamination.
Our rivers can get contaminated with E.coli through a variety of sources and entry points, including sewage and stormwater discharges or runoff from urban and agricultural areas, seepage from malfunctioning septic tanks, and direct deposition by livestock and wild animals.
Hence, E.coli is introduced into rivers by sewage and stormwater discharge.
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Does natural selection produce a change in individuals or populations? can you put it in a explanation and a short answer
Natural selection produces a change in individuals or population, however these changes are not visible at individual level.
Natural selection is the process of evolution through which the organisms of a population change and adapt according to the environment so as to survive better in their surroundings. However these changes cannot be visualized at individual level. They can be observed in the population of certain species.
Population refers to the group of individuals that live in the same habitat and share the same resources. The most important characteristic of being the individuals of the same population is the ability to breed with one another.
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of the different types of antibiotics used to treat bacterial prostatitis, which class works by inhibiting the ability for bacteria to grow and reproduce by changing certain dna enzymes
The type of antibiotics used to treat bacterial prostatitis that works by inhibiting the ability for bacteria to grow and reproduce by changing certain dna enzymes is the Tetracyclines.
What are antibiotics?An antibiotic is described as a type of antimicrobial substance active against bacteria.
An antibiotic is used to treat prostatitis that is caused by an infection. Some antibiotics that might be used are trimethoprim-sulfamethoxazole, doxycycline, ciprofloxacin, norfloxacin and ofloxin.
The main types of antibiotics that are known include:
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what is the term used to define alternative forms of a gene that may result in different expression of the trait coded for by that gene?
Allele. one of a gene's two or more alternate versions at a certain site (locus). Each locus has a single allele that is inherited from each parent independently.
According to the most respected textbooks on genetics and evolution, an allele is a different arrangement of the same sequence of nucleotides at the same location on a lengthy DNA molecule. "Alleles are different DNA sequences found at a given locus, which is the chromosomal or genomic location of a gene or other genetic factor. Alleles are matched genes; one comes from each parent, our biological mother and father. Every gene in us is duplicated twice (strings of code that drive some biological function on our chromosomes). They could be the same, but they also frequently have small variations. A gene's alternative form is called an allele. Some genes exist in a multitude of forms that share the same location, or genetic locus.
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In a typical, mature, dividing mammalian cell, what proportion of the cell cycles is taken by mitosis?.
that mitosis and meiosis comprise only about 10% of the cell cycle
that my answer
It takes about 10% of the cell cycle. Prophase (includes prophase and prometaphase), metaphase, anaphase, and telophase are the different stages of the process.
What is cell cycle?The 10% mitosis phase of the cell cycle, which can last only one to two hours, is significantly shorter than the interphase.Interphase would last 22 hours and 40 minutes in a 24-hour period, while mitosis would last the remaining 80 minutes.A cell cycle is the sequence of events that occur in a cell as it grows and divides. The majority of a cell's time is spent in interphase, where it grows, replicates its chromosomes, and prepares for cell division. The cell then exits interphase, goes through mitosis, and completely divides. The conventional stages of mitosis are prophase, prometaphase, metaphase, anaphase, and telophase.To know more about cell cycle, refer :
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when compared to living at a lower altitude, the amount of oxygen entering the bloodstream of someone at high altitude will be .
The amount of oxygen in the bloodstream of someone at high altitude will be higher than someone at lower altitude because the higher altitude provides less resistance to oxygen molecules.
The air pressure at high altitude is also lower, so the oxygen molecules have more space to move around and enter the bloodstream. The body also compensates for the lower oxygen levels by increasing the breathing rate and producing more red blood cells to carry oxygen to the cells.The amount of oxygen entering the bloodstream of someone at high altitude will be lower than someone at a lower altitude.
This is because the air pressure is higher at high altitudes, which makes it harder for oxygen to diffuse into the bloodstream. Additionally, the air is colder at high altitudes, which can cause the blood vessels to constrict, further reducing the amount of oxygen that enters the bloodstream.
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what would a lipid most likely do in the body
The main biological functions of lipids include storing energy, as lipids may be broken down to yield large amounts of energy. Lipids also form the structural components of cell membranes, and form various messengers and signaling molecules within the body.
:) (hope this helps!!)
Using the following words, write an essay describing how new evidence can change an existing theory: data variable scientific method hypothesis control experiments conclusions
New evidence may modify an existing theory because it may show erroneous assumptions from older theories, which represent experimentation that needs to be tested through the scientific method and formulation of hypotheses.
What is the scientific method?The scientific method is a series of steps used in all scientific disciplines to collect empirical data, which is used to reject or confirm hypotheses based on the conclusions we can draw through such information.
Experimentation is a fundamental step in the scientific method which is based on the use of a control group to compare the result between variables in the target treatment group.
Therefore, with this data, we can see that the scientific method can be used to reformulate older theories through new experiments that are able to collect empirical evidence, which helps us to test hypotheses and thus confirm new sources of evidence.
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. Describe the process of diffusion. Name and
describe the condition that exists when the
diffusion of a particular substance is complete.
Answer: In diffusion, the ions or molecules move from high to low concentration. This means that the movement of the molecules is away from the area that is more concentrated. This process does not require energy. The diffusion is considered complete when it is in a state of equal concentration or equilibrium.
How does studying cells help us to understand life?
Write down the two key components of the greenhouse effect.
Carbon dioxide (CO2) and Methane (CH4) are the two key components of the greenhouse effect.
Burning fossil fuels (coal, natural gas, and oil) releases carbon dioxide into the atmosphere, as well as as a byproduct of some chemical reactions, solid waste, trees, and other biological materials (e.g., manufacture of cement). As part of the biological carbon cycle, carbon dioxide is taken up by plants, where it is then "sequestered" (removed from the atmosphere).
When coal, natural gas, and oil are produced and moved, methane emissions occur. Agricultural techniques, land usage, and the decomposition of organic waste in municipal solid waste dumps all contribute to methane emissions, as do cattle and other agricultural activities.
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If your latitude is 41 degrees North, what is your altitude of polaris?
The altitude of Polaris is 41°.
Polaris is located at 90° latitude just above the North Pole. So the angle between Polaris and the North Pole horizon is 90°. This angle is called the Polaris altitude. At the equator, Polaris is above the horizon and has an angle of 0°. Since the Earth is spherical, the position of the North Star relative to the horizon depends on the position of the observer.
Therefore the angle between the northern horizon and the Pole Star is equal to the observer's latitude. Polaris the brightest star in the constellation Ursa Minor serves as the North Star because it is near the celestial north pole. If you follow this axis from Earth's northern hemisphere into space, it points to a specific star in the sky. This star is called the Polar Star because it lies in the direction of the Earth's northern hemisphere along its axis of rotation.
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optimists are more likely than pessimists to experience: perceived control. biofeedback. the general adaptation syndrome. coronary heart disease.
Optimists are more likely than pessimists to experience perceived control.
Optimists are people who have the ability to think positively whereas pessimists can be described as people who think negatively.
A person with an optimistic approach will generally take over perceived control and try to get the best done out of each situation. An optimistic approach causes a person to take over control and handle a situation in the best way possible. Hence, we can say that optimists experience more perceived control.
On the other hand, a pessimist will not take over control and already give up before time due to his negative thinking.
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What is the name of poisonous proteins produced and secreted by some bacterial cells?.
Exotoxins are the name for the harmful proteins that some bacterial cells make and emit.
What are exotoxins?Exotoxin is the name for a toxin produced by bacteria. By causing cell death or obstructing normal cellular metabolism, an exotoxin can cause injury to the host.
Exotoxins are extremely potent and can cause the host considerable injury.
Exotoxins can leak during cell lysis or be released, just like endotoxins. Gram negative pathogens may emit outer membrane vesicles that include lipopolysaccharide endotoxin, certain virulence proteins, and other toxins in addition to additional poisons as intra-vesicular contents. The well-known eukaryotic membrane vesicle trafficking pathway, which is quite active at the host-pathogen interface, gains a previously unrecognized layer as a result.
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Solve the absolute value equation.
8 = |5 – x|
Answer:
the answer is 3
Explanation:
the answer is 3
Would you say that it is becoming well-known (globally) that plastic has devastating effects on the environment, wildlife, and humans? Yes, no?
Yes. It`s been common to read and even watch news about how plastic has affected the environment, wildlife and human health. Also, many initiatives have been taken, such as the suspension of the use of straws in restaurants, for example. That shows that more and more people are aware of the damage plastic can cause.
Record details about what you observe…what do they look like?:
In isotonic NaCl solution, the red blood cell has its normal volume. In NaCl 0.9%, erythrocytes are not destroyed, resulting in a thick solution. On the other hand, distilled water is hypotonic to red blood cells.
What is the isotonic solution?There is no net influx or efflux of water when blood cells are found in such a medium because the internal and external fluids are in osmotic equilibrium throughout the cell membrane.
Isotonic solutions are those that have the same amount of water and other solutes in them as the cytoplasm of a cell.
Therefore, in isotonic solution, no net movement of water occur inside RBC.
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which group was not described in woese's tree of life analysis?
Prokarya was not one of the groups described in Woese's tree of life analysis.
Who was Carl Woese?
Carl Richard Woese was an American biophysicist and microbiologist born in 1928, famous and well known for defining the Archaea (a new domain of life) in 1977 through a pioneering phylogenetic taxonomy (tree of life) of 16S ribosomal RNA, a technique that has revolutionized microbiology. Woese’s tree was constructed from comparative sequencing of the genes that are universally distributed, present in every organism, and conserved (meaning that these genes have remained essentially unchanged throughout evolution).
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Which of the following are true statements about the functions of protein?
a. Protein is necessary for blood clotting, fluid balance and cell repair.
b. Protein serves multiple functions in the body.
Options (c) and (d) are true about the functions of proteins in the body.
Protein serves several functions in your body. It aids in the repair and growth of tissues, permits metabolic processes to occur, and organizes biological operations. Proteins not only offer a structural foundation to your body, but also keep the pH and fluid balance in check. Proteins are the fundamental building components of matter that are responsible for muscle growth and development, as well as bones, ligaments, and tissue. They also function in the battle against infections by strengthening the immune system and are necessary for sustaining physiological processes such as digestion, metabolism, and circulation. Proteins are in charge of practically every aspect of cellular life, including cell structure and interior organization, product production and waste cleaning, and routine maintenance. Proteins respond to environmental signals by mobilizing intracellular responses.
The complete question is:
Which of the following statements are true about the functions of protein?
(a) Protein is the primary fuel source of the body
(b) There is only one main function of protein which is to build muscle
(c) Protein is necessary for blood clotting, fluid balance and cell repair
(d) Protein serves multiple functions in the body
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which are the qualitative data in the example above? Explain
The qualitative data in the example are -
Helicona
Throated carib
Eulampis jugularis
What is qualitative data ?
qualitative data is data which expressing a certain quantity, amount or range. Usually, there are so many measurement units associated with the data e.g. metres, in the case of the height of a person. It makes sense to set the boundary limits to such as data, and it is also very meaningful to apply to the arithmetic operations to the data.
qualitative data describes the qualities or characteristics. It is collected using the questionnaires, interviews, or observation, and the frequently appears in the narrative form. For example, it could be notes taken by during a focus group on to the quality of the food at Cafe Mac, or responses from an the open-ended questionnaire.
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What conditions are needed for living things to survive?
Answer: Living things need air, water, food and shelter to survive.
Explanation: Food, air, water, shelter, space. Animals need these! Food, air, water, shelter, space. We need these to live! Basic needs!
Which metalloids would behave more like metals?
Which metalloids would behave more like nonmetals?
help asap i give brainliest
Boron is the metalloid that behaves as a metal. Metalloids like arsenic, antimony, and tellurium behave like non-metals.
Metalloids are the elements that are the intermediate of metals and non-metals. They exhibit the properties of both. They behave like semi-conductors. The examples include Boron, germanium, silicon, antimony, arsenic, tellurium and Pollanium. Boron is a metalloid that can behave as a metal because it has only three electrons on its outer shell and it can donate them like metals.
Non-metals are the elements that do not have metallic properties like conducting electricity, ductility, malleability, etc. Some metalloids that have more than four electrons on their outer shell can also behave like non-metals because they can gain electrons. Examples are arsenic, antimony, etc.
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what would happen if meiosis did not halve the number of chromosomes before gametes are made
Answer:
If meiosis did not halve the number of chromosomes before gametes are made, the union of the two gametes during fertilization would result in an offspring with twice the normal number of chromosomes.
