because of the decomposition of oxygen
Answer: Carbon(C) is returned into the atmosphere (as carbon dioxide) because of the decomposition and respiration in plant and animal cells.
Explanation:
Respiration is a process in which energy and carbon dioxide (CO2) is released via the breakdown of food, releasing energy and carbon dioxide, and that carbon dioxide goes into the atmosphere.
It occurs in all plants and animal cells and is a significant part of the carbon dioxide cycle.
Decomposition on the other hand is the breakdown and decaying of organic materials into simpler constituents releasing carbon dioxide and water(H20).
And the CO2 released in decomposition also goes into the atmosphere.
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What animal would be a prides best option to hunt if the pride requires 106,000 kcals per day if there are 4 hunters that can expend up to 15,000 kcals per day
Answer:
Gezzel
Explanation:
I know
does light need matter to travel
Answer:
Light travels as a wave. But unlike sound waves or water waves, it does not need any matter or material to carry its energy along. This means that light can travel through a vacuum—a completely airless space.
What type of force does the water exert on the planes floats, which cause the motion of plane to slow?
please help me!!! it not that hard i just don’t know the answer
Eukaryotes frequently have several cells, but prokaryotes are invariably unicellular. Eukaryotic cells are also between 100 to 10,000 times bigger and more complicated than prokaryotic cells. Prokaryotic DNA is kept in the cytoplasm, whereas DNA in eukaryotes is kept in the nucleus.
What is the difference between prokaryotic and eukaryotic cells?Eukaryotes frequently have several cells, but prokaryotes are invariably unicellular. Eukaryotic cells are also between 100 to 10,000 times bigger and more complicated than prokaryotic cells. Prokaryotic DNA is kept in the cytoplasm, whereas DNA in eukaryotes is kept in the nucleus.
Within eukaryotes, organelles perform specialized tasks such as energy production, photosynthesis, and membrane synthesis. The majority of them are membrane-bound structures that serve as the locations of particular metabolic reactions.
They are capable of breathing, digesting, and other biological functions. Being single-celled organisms, prokaryotic cells carry out all of these tasks in a single cell.
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During the assessment of a patient with a brain abscess, the nurse notes elevated blood pressure and altered level of consciousness. Which additional symptoms should the nurse assess for?.
Symptoms may vary depending on the location of the brain abscess. It includes headache and nausea due to increased pressure in the brain. Neurological symptoms may also be present but in very rare cases.
Common symptoms of the disease are fever, headache, and nervous system problems such as confusion, difficulty in speech or walking change and arm/ leg weakness on one side.
Brain abscess is a collection of pus that develops in the brain due to an infection. Causes of this disease are infections in other parts of the body or improper functioning of immune system.
Treatment for this are antibiotics and close monitoring. In some cases, the abscess has to be removed surgically.
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How does added heat affect the temperature of water over time as it changes from a solid to gas
Answer:Si se disminuye la temperatura de una sustancia líquida esta puede cambiar a estado sólido. El agua es una sustancia que siempre conserva su forma y su volumen sin importar el estado en el que esté. Cuando se cambia la temperatura a la que se expone el agua, esta puede cambiar sus estados: Sólido, líquido o gaseoso.
Explanation:
Which substance does ATP synthase add to molecules of ADP?
A. ATP molecules
B. Electrons (7)
C. Phosphate (P) groups
D. Hydrogen ions (H+)
SUBMI
Answer:"C" Phosphate
Explanation:
DNA molecule has 180 base pairs(A=T) and 20% A. How many C nucleotides are present in this molecule of DNA?
Answer: 53 Cytosine
Explanation:
Let x equal C nucleotides
20% of Adenine = 20% of Thymine20% + 20% = 40%100% - 40% = 60 %60% = Cytosine and GuanineCytosine and Guanine will always have the same amount 30% of Cytosine180 * 0.3 = 5353 Cytosine nucleotidesWhat two scientists are responsible for saying plants and animals are made of cells leading to the development of the Cell Theory?
Group of answer choices
Schleiden
Hooke
Zaccharius Janssen
Leeuwenhoek
Schwann
Hans Janssen
Answer:
The answer is Theodore Schwann and Mattias Schleiden
Explanation:
They studied cells of plants and animals respectively. These scientists identified key differences between the two cell types and put forth the idea that cell were fundamental units of both plants and animal .
Which diagnostic test measures the level of oxygen and carbon dioxide in the blood?.
Bile is stored and concentrated in the _____.
A: Duodenum
B: Appendix
C: Gall Blander
D: Cecum
What is an example of how gender ideology is often reflected in gender stereotypes?.
Descriptions of the roles of egg and sperm in college biology textbooks published during the early 1990s
What are gender stereotypes?
A gender stereotype is a preconceived notion about the features or characteristics that women and men possess or should possess or the roles that women and men should or should not do. Positive and negative gender stereotypes exist, such as "women are nurturing" and "women are weak."
Hence, descriptions of the roles of egg and sperm in biology textbooks are an example of how gender ideology is often reflected in gender stereotypes.
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according to most scholars, life expectancy in the united states increased dramatically after 1900 because of group of answer choices the introduction of smallpox inoculation. the development of new medical treatments. changes in nutrition and living conditions. the natural evolution of epidemics. the natural evolution of microorganisms into less dangerous forms.
According to most scholars, life expectancy in the united states increased dramatically after 1900 because of changes in nutrition and living conditions and is denoted as option C.
What is Life expectancy?This is a term which is used to depict the statistical measure of the average time an organism is expected to live and is based on various types of factors such as the gender, age etc.
In the late 1900, there was an increase in the life expectancy because of the different forms of developments and technological innovations which were done.
Other reasons which led to it increasing drastically in the United states after 1900 was because of the changes in nutrition and living conditions which is therefore the reason why it was chosen as the correct choice.
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a concentration gradient of chloride ions (cl-) exists across a cell membrane with a higher concentration of cl- outside the cell. in response to this concentration gradient, water moves out of the cell to equalize the gradient. what term best describes this process:
Water moves out of the cellular to equalize the gradient. what term pleasant describes this system: both the concentration gradient and electric gradient prefer the movement of Cl- ions into the mobile.
The attention of the answer tells you the way a lot of solutes have been dissolved within the solvent. as an example, if you add one teaspoon to two cups of water, the concentration could be said as 1 t salt per 2 c water.In chemistry, concentration refers to the amount of a substance in a defined space. any other definition is that attention is the ratio of solute in an option to both solvent or overall solution. concentration is typically expressed in terms of mass in step with unit extent.
Excessive attention way the density of the material is extra than what surrounds it. that is in evaluation to a lower concentration wherein the density of material could be much less. that is helpful in explaining the natural movement of materials because they clearly flow from high concentration to decrease.
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What is the MAIN function of carbohydrates?
A. To provide structure and support
B. To make enzymes
C. To provide short term energy
Select the type of inheritance pattern that is best described below:
In rabbits, an allele for full color ( C ) is dominant over an allele for chinchilla (c’) color. Both full color and chinchilla are dominant over the white allele ( c ). A rabbit can be CC, Cc’, Cc, c’c’, c’c, or cc.
a. Codominance
b. Incomplete Dominance
c. Multiple Alleles
d. Pleiotropy
e. Polygenic Inheritance
We can see that the rabbit from the description shows the pattern called multiple alleles.
What are alleles?According to Mendel genetics, we know that the factor that determines the inheritance pattern of an organism is called the gene. The genes re located in the chromosomes. It is common to find out that it is not a single gene that controls the inheritance of a given trait.
Now we can see that a rabbit can be CC, Cc’, Cc, c’c’, c’c, or cc. This implies that more than on allele does control the expressed trait and this is an example of multiple allele.
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Hi~-------- H-a-l-p for a cookie :) Pleaseeee try to get it right Thxxx :))))) Brainliest to correct answr
Answer:
Answer is D
Prokaryotic cells and Rukaryotic cells both have cell membranes, genetical material, ribosomes, and cytoplasm
Answer:
D) passed the test
Explanation:
A scientist discovers a new molecule that is a long polymer that consists of a single strand of nucleotides. What type of molecule did the scientist most likely find?.
The big molecules that make up this polymer must have repeating units.
A polymer is made up of lengthy chains of monomers, which are smaller repeating units.
For instance, long chains of ethylene (CH2=CH2) molecules are connected end to end to form polyethylene.
Polyethylene's chemical formula is -CH2CH2-(CH2CH2)n-CH2CH2-, where n is typically a figure between 500 and 10,000.
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explain how competition can affect an organisms niche
Answer:
The competitive exclusion principle says that two species can't coexist if they occupy exactly the same niche (competing for identical resources). Two species whose niches overlap may evolve by natural selection to have more distinct niches, resulting in resource partitioning.
Competition influences an organism's niche by shaping its resource utilization, spatial distribution, and evolutionary adaptations. It drives species to adapt and specialize, facilitating coexistence and maintaining the balance of ecological communities.
Competition plays a significant role in shaping an organism's niche, which refers to the specific role and position it occupies within its environment. Here's how competition can affect an organism's niche:
Resource Competition: Organisms often compete for limited resources such as food, water, shelter, or mates. When resources are scarce, intense competition can occur, forcing organisms to adapt their niche to gain access to these resources. This can lead to specialization, where organisms develop specific traits or behaviors to exploit specific resources and reduce competition.Competitive Exclusion: Intense competition can result in competitive exclusion, where one species outcompetes another for the same resources. This can lead to the displacement or elimination of the less competitive species from that particular niche. As a result, the winning species can expand its niche and occupy a broader range of resources.Niche Partitioning: In order to coexist and reduce competition, similar species may partition their niches by dividing the available resources. Each species may specialize in utilizing different resources or occupy different microhabitats within the same ecosystem. This allows for the coexistence of multiple species with similar requirements.Competitive Interactions: Competition can also drive evolutionary changes in organisms. Over time, species may evolve different traits or behaviors that give them a competitive advantage in accessing resources or avoiding competition. This can lead to the diversification of niches within a community, as species adapt to occupy different ecological roles.Learn more about Competition, here:
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Nicotine triggers the release of adrenaline. What negative impact does this have on the cardiovascular system?.
Nicotine causes the narrowing of arteries, an increase in blood pressure, and an increase in heart rate.
Nicotine is a harmful chemical present in cigarettes and tobacco products. this chemical triggers the release of adrenaline. This hormone is known to give a "kick" to the body's systems.
Prolonged usage of nicotine has a severe impact on the body especially the respiratory and cardiovascular systems. The hormone, adrenaline, is known to increase the heart rate and flow of blood. this increases the blood pressure and narrowing of blood vessels which in turn increases the risk of heart attacks, cardiac arrest, and a variety of heart issues.
So, nicotine is a harmful chemical that causes a wide range of health complications in the long run.
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describe how leaves undergo photosynthesis underwater use the chemical reaction for photosynthesis to help answer
Answer:
In photosynthesis, multiple molecules of carbon dioxide are combined to produce glucose using energy from sunlight. Terrestrial plants obtain carbon dioxide for this process from the atmosphere, as carbon dioxide gas is abundantly present in the air. However, carbon dioxide can also dissolve in water, and aquatic plants obtain carbon dioxide directly from the water that surrounds them. This allows aquatic plants like seaweed and many others to obtain energy from sunlight.
a study of the effects of damaging toxins on cells and tissue identifies ubiquitin as a key molecule. can you explain why ubiquitin would be associated with toxin damage?
Answer:
Damaged proteins are tagged with ubiquitin for degradation
As a teenager, whenever you have gone out with friends or traveled away from home, you've likely been asked to call and check in every once in a while. Most of us probably don't think much about doing so. We may even talk on the phone with friends or family members several times a day. But pretend for a moment that you are a soldier in the military. You have been sent overseas for several months, away from all of your family and friends, in order to serve your country. You might imagine that the ability to call home and talk with your loved ones would be something to look forward to. But what if those phone calls left you with a $7,600 phone bill? When 14-year-old Brittany Bergquist and her 12-year-old brother Robbie, of Norwell, Massachusetts, saw a news story about a soldier who found himself with just this problem, they decided to help. Robbie recalls, "We were taken aback and wanted to make sure he didn't have to pay that cell phone bill!" They began by raising money. Brittany and Robbie donated 14 dollars of their own savings and collected seven dollars from friends. A local bank heard about what they were doing and donated $500. But $521 was nowhere near the amount needed to help the soldier pay his bill. So Brittany decided to send donated cell phones to the soldiers. This way, they would have their own phone to use when calling home, which would be less expensive. Brittany and Robbie collected as many old cell phones as they could. But there was a problem. Because of security concerns, the Pentagon would not allow phones to be sent overseas. Brittany and Robbie were determined, so they came up with another idea. They found a cell phone recycler in Michigan who would pay them five dollars for each phone they sent in to be recycled. Using that money, they could buy pre-paid phone cards to send to the troops.It didn't take long for the Cell Phones for Soldiers program to take off. Today, there are over seven thousand locations to drop off your old cell phone. The program has recycled over ten million phones since it was started in 2004. Over 180 million minutes of talk time have been given to the soldiers, and each week, about twelve thousand calling cards are sent. The Bergquist family still runs the program largely on their own. Brittany says that her involvement with the charity has helped her learn how to build awareness for a cause, and form relationships with companies that can help. Although she admits that she gets nervous when she has to do something that is out of her comfort zone, she has learned that it is important to overcome her fear so that her charity can continue to grow. She says founding Cell Phones for Soldiers "... has been the most positive and motivating experience of my life..." and that, "It's unbelievable and overwhelming to know that we've been able to help out families that we're never going to see; that we've had an impact on their lives."
please compare and contrast it thanks
The office would have no cell phones policy for employees to increase the concentration during the working hours and increase the productivity of work.
What is no cell phone policy?No cell phone policy has been the policy in which the use of the cell phone has been strictly prohibited and it has been implemented in the offices or working place to increase the productivity and concentration in the workings hours.
Excessive use of cell phone at the work can be reduced the quality of work because while using phone brain stops to generate the good ideas and limit yourself.
During working hours the mobile devices are could to be in the desk and advised not to keep the mobile phone in the hand or nearby working table. Cell phone policies has been a set of the guidelines regarding the use of the cellphone in the workplace. The employees of that workplace should be read cell phone policies before joining.
Therefore, The office would have no cell phones policy for employees to increase the concentration during the working hours and increase the productivity of work.
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If the conservative model had been correct, how many generations of bacterial cell division would have had to pass before meselson and stahl would have observed evidence of a band in the cscl gradient corresponding to a hybrid dna molecule containing both 14n and 15n?.
If the conservative model had been correct, No generations; a hybrid would never form had to pass before meselson and stahl would have observed evidence of a band in the cscl gradient corresponding to a hybrid dna molecule containing both 14n and 15n.
What is the Meselson and Stahl experiment about?
In 1958, Matthew Meselson and Franklin Stahl using three models of conservative, semi conservative and dispersive of how organisms might replicate their DNA for their experiment were able to show that each strand in a DNA molecule serves as a template for synthesis of a new, complementary strand.
Here's the complete question:
If the conservative model had been correct, how many generations of bacterial cell division would have had to pass before Meselson and Stahl would have observed evidence of a band in the CsCl gradient corresponding to a hybrid DNA molecule containing both 14N and 15N?
A) 1 generation
B) 4 generations
C) More than 10 generations
D) No generations; a hybrid would never form.
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in the meselson-stahl experiment, after the first round of dna replication, the model was eliminated because band(s) was/were seen in the tube after density gradient centrifugation.
The heavy 15N model was eliminated because light 14N band(s) was/were seen in the tube after density gradient centrifugation in the meselson-stahl experiment.
The best model for DNA replication was determined by an experiment designed by Matthew Meselson and Franklin Stahl in 1958. For several generations, they raised E. coli in a medium that contained a heavy nitrogen isotope (15N), which was incorporated into nitrogenous bases and eventually into the DNA. The parental DNA was marked by this. After that, the E. coli culture was moved into a medium containing 14N and left to develop for one generation. DNA was isolated when the cells were harvested.
Through the process of ultracentrifugation, the DNA was divided into bands based on the density of the DNA. It would be expected that DNA produced in 15N will form a band at a place with a higher density than DNA grown in 14N. Meselson and Stahl discovered that the solitary band seen after one generation of growth in 14N was positioned halfway between the DNA of cells grown exclusively in 15N or 14N. This indicated either a dispersive or a semiconservative form of reproduction.
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Where does sex cells form?
Meiosis is a process by which sex cells are produced.
The emergence of sex cells is a central part of human reproduction: In fertilization, an egg cell and a sperm cell merge. These sex cells are also called reproductive cells or gametes. Sperm cells are built in men's testicles and egg cells are produced in women's ovaries. In the human reproductive process, two kinds of sex cells, or gametes are involved. The male gamete, or sperm, and the female gamete, Gametes serve two functions. They have the physiological ability to fuse with a gamete from the opposite sex cells and form a single cell.
So we can conclude that human sex cells are produced by the process of meiosis.
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Questions on The excretory system
True urine on a cold day is usually darker.
False a person is more likely to urinate on a cold day
False, adh triggers reabsorption of water in the collecting ducts
True at the convoluted tubules certain substances are selectively reabsorbed into the blood stream via diffusion
are the answers for the mentioned questions on The excretory system .
What are excretory systems used for?Removing waste from the body is the excretory system's job. These wastes include heat, salts, CO2, nitrogen, and water. The body's process of transforming food into energy is called metabolism. There are waste products as a result of metabolism.
The human excretory system is made up of the following organs: one urethra, one urine bladder, two kidneys shaped like beans, and two ureters.
Excretion is the process through which waste products from the body's typical biological functions are eliminated. It's important to get rid of waste materials like carbon dioxide. If they are allowed to build up, they harm people and slow down important chemical processes.
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What is effect of external temperature on body variables i.e. Temperature, body fluid, ph etc.
A. They tend to increase
B. They tend to decrease
C. Both a and b
D. No effect at all
The effect of external temperature on body variables like temperature, body fluid, ph etc is No effect at all; option D.
What are variables?Variables are measurable factors or quantities which are subject to change.
Variables are important in research and experiments.
In the human body, various measurable variables exist. some of these variables include temperature, body fluid, pH etc.
The body has a mechanism for maintaining a fairly constant internal environment despite challenges i the external environment.
This s known as homeostasis.
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a new restriction endonuclease is isolated from a bacterium. this enzyme cuts dna into fragments that average 4,096 base pairs long. like many other known restriction enzymes, the new one recognizes a sequence in dna that has twofold rotational symmetry. from the information given, how many base pairs of dna constitute the recognition sequence for the new enzyme?
For the identification of cleavage or cutting capacity of the particular newly isolated restriction endonuclease enzyme, we can provide the entire known nucleotide sequence during restriction activity, after that we can do sequencing for the analysis of at which specific position DNA is cutting down by that particular restriction enzyme.
Sequencing is the method used to know the genomics size of long as well as short stretch of DNA results in a shorter time period. There are two types of sequencing, first is ancient sequencing techniques such as Sanger sequencing and second one is next generation sequencing. Nowadays the next generation sequencing method is widely used for sequencing. These next generation sequencing is totally based on computer based technique.
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What are the four major categories of organic compounds?
a
point)
с
acids, bases, nucleic acids, and polysaccharides
carbohydrates, lipids, nucleic acids, and proteins
carbon, hydrogen, nitrogen, and oxygen
all of the above
Answer:carbohydrates, lipids, proteins, and nucleotides.
Explanation: