The human digestive tract is filled with bacteria. The bacteria live in the body and get nutrients while helping to digest food. What kind of species interaction is this mutualism or commensalism? ls it symbiotic? Explain
Answers
The species interaction which is seen between the human digestive tract and the bacteria present in the human body is Mutualism. Mutualism is a kind of species interaction in which both the species are benefitted by living with each other.
What is species interaction?Species interaction is the relationship between the two species which are living in close association with each other. Different species interactions are seen between species such as Mutualism, Commensalism, Predation, Parasitism, etc.
Mutualism is the species interaction in which both the species which live in close association with each other are benefitted. It is a symbiotic association. The example is the bacteria which are living in the human digestive tract, the bacteria helps in digesting the food and in return gets the nutrition from it.
In commensalism, two species are associated from which one is benefitted from the interaction while the other is neither benefitted nor harm in this interaction.
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Related Questions
A researcher is examining the dna sequences of a group of mice. He notices that in one of the mice, one nucleotide pair is substituted with another in the part of the dna sequence that codes for fur color. However, despite the substitution, the mouse still has the same fur color as the other mice with the correct dna sequence. Why does this substitution of nucleotides in the mouse not change its phenotype, or physical characteristics?.
Answers
The mouse's DNA is entirely distinct from that of the other mice. When one DNA nucleotide in a gene's protein-coding region changes without changing the order of amino acids that make up the protein that the gene codes for, the change is called a silent mutation.
What does the mouse's nucleotide substitution not do?A mutation known as a silent mutation does not affect the amino acid and hence has no effect on how the protein functions. The replacement mutation in the fur color gene was a quiet mutation, therefore it had no effect on the final phenotype.
When is a DNA-based protein generated by a cell necessary?When a cell wants to synthesize a certain protein, transcription from DNA produces messenger RNA (mRNA).
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HELP WILL GIVE BRAINLY IF RIGHT
an atom is stable if the outer level of electrons in atom contains the maximum number of electrons it can hold. what are the electrons found in the outer level called?
valence electrons
ionic electrons
shared electrons
bonding electrons
Answers
what were the historical reasons for the resistance to recognizing airborne transmission during the covid-19 pandemic?
Answers
Up until a 1962 demonstration of tuberculosis airborne transmission, airborne transmission of all major respiratory diseases was assumed to be of insignificant or moderate consequence over the following fifty years.
Before COVID-19, only a small number of diseases—those that were blatantly spread to people not in the same room—were generally acknowledged as airborne. This is because the contact/droplet paradigm remained popular.
What does the term "airborne transmission" mean?The term "airborne transmission" refers to the propagation of droplet nuclei (aerosols) that retain their infectious properties after being suspended in air for a lengthy period of time and over great distances.Bacteria or viruses that cause airborne infections are most frequently spread by tiny respiratory droplets. When a person with the airborne sickness sneezes, coughs, laughs, or exhales in any other way, these droplets are released.
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What is the main source of energy for living things
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The main source of energy for living things is The Sun.
The sun is the primary source of energy for organisms and the ecosystems to which they belong. Producers such as plants algae, and cyanobacteria use the energy of sunlight to make organic matter from carbon dioxide and water. This establishes the beginning of energy flow through nearly all food webs.
One of the most important energy sources is the sun. The sun's energy is the original source of most of the energy found on Earth. We collect solar thermal energy from the sun. Sunlight can also be used to generate electricity from solar cells' photovoltaics. His three main energy categories for power generation are fossil fuels coal natural gas oil nuclear energy, and renewable energy sources.
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first drag labels to the appropriate targets at the left to identify the parts of the chloroplast in this diagram. then drag labels to the appropriate targets to identify the structures involved in the light reactions.
Answers
a. stroma, b. thylakoid membrane, c. thylakoid space, d. photosystem II, e. electron transport chain, f. photosystem I, g. ATP synthase these labels will go to identify the structures involved in the light reactions.
The photosystem, a multi-protein complex, is where the conversion of light energy into chemical energy occurs. The thylakoid membrane contains photosystem II (PSII) and photosystem I, two different types of photosystems (PSI). In order to excite electrons and absorb solar energy, each photosystem is essential. "Energy carrier" molecules carry these energized electrons, which fuel the light-independent reactions.
A light-harvesting complex and a reaction center make up photosystems. Two unique chlorophyll molecules are located in the reaction center and receive light energy from pigments in the light-harvesting complex.
An electron from the chlorophyll pair is excited by the light and moves to the main electron acceptor. Afterward, the excited electron needs to be changed. In photosystem II, oxygen is produced as a waste product when water splits, providing the electron. The chloroplast electron transport chain is where the electron enters photosystem I.
The two photosystems react to distinct light wavelengths, deliver their powered electrons to various locations, and oxidize various low-energy electron sources.
In the light-independent reactions, also referred to as the Calvin cycle, the energetic electrons from the light-dependent reactions provide the energy to transform carbon dioxide molecules into carbohydrates. The light-independent reactions are occasionally referred to as the Calvin cycle due to the cycle-like aspect of the process.
Even though they don't use light as a reactant and can thus happen day or night, the products of the light-dependent reactions are required for the light-independent processes to function. The energy-carrying molecules ATP and NADPH, which are not dependent on light, fuel the synthesis of new carbohydrate molecules. Once the energy has been transferred, the energy carrier molecules return to the light-dependent processes to obtain further energized electrons.
In addition, a number of the enzymes involved in the light-dependent processes are activated by light.
The complete question is:
First, drag labels to the appropriate targets at the left to identify the parts of the chloroplast in this diagram. then drag labels to the appropriate targets to identify the structures involved in the light reactions.
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A 35-year-old obese woman who just delivered a 10 lb baby after 48 hours of labor starts hemorrhaging from the vaginal area and has a sudden drop in blood pressure. She was in her 41st week of gestation when she was admitted to have labor induced. Which of the following is the best initial step in diagnosing the underlying cause of bleeding?
ADo manual exploration of the uterine cavity
BOrder a complete blood count
COrder a pelvic and abdominal ultrasound to identify the source of bleeding
DPalpate to determine the size and firmness of the uterus
Answers
In this scenario, the best initial step in diagnosing the underlying cause of bleeding would be to perform a manual exploration of the uterine cavity.
This involves a physical examination of the uterus to check for any retained placental tissue or other abnormalities that could be causing the bleeding.
Ordering a complete blood count and palpating the uterus can also provide important information, but manual exploration is the most direct and effective way to identify the source of the bleeding.
Additionally, it is important to address the patient's sudden drop in blood pressure, as this could indicate severe hemorrhage and may require immediate intervention to stabilize the patient. Overall, prompt and thorough assessment and management are crucial in this potentially life-threatening situation.
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most known bacteriophages have which type of morphology? group of answer choices siphovirus podovirus myovirus microvirus
Answers
Most known bacteriophages have siphovirus morphology. Therefore option A is correct.
Siphoviruses are a type of bacteriophage with a characteristic long, non-contractile tail, which distinguishes them from other types like myoviruses (contractile tails), podoviruses (short, stubby tails), and microviruses (icosahedral capsids without tails).
Siphoviruses attach to specific receptors on bacterial cell surfaces using their tail fibers and inject their genetic material into the host cell to reproduce and release new phage particles.
Their prevalence can be attributed to their ability to infect a wide range of bacterial species, making them important agents in controlling bacterial populations and potential tools in phage therapy for combating bacterial infections.
Therefore option A is correct.
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You want brainliest? Then be first!
Answers
Answer:
i believe that the answer is the second one
Explanation:
organism that have a definite nuclei
Answers
Answer:
Explanation:ggggggggggggggggg
Answer:
The eukaryotes are organisms that have cells with a nucleus
Explanation:
Felicity lists the factors that affect the shape of Florida.
Answers
Answer:
The felicity list the factors that the Humidity, Temperature, Rainfall. Explanation: In general, the "electron pairs in a molecule" which will have a shape to "maximize their distance" far apart, even the charges repel each other and also unlike charges attract.
The photograph shows a chemical change taking place over time. Which statement best explains the chemical change? A. A substance breaks down into one or more new substances. B. An acid dissolves in water into tiny particles that cannot be seen. C. An acid and a base combine to form salt and water. D. A substance reacts with oxygen and releases huge amounts of energy
Answers
Answer:
Answer is A (A Substance breaks down into one or more new substances)
Explanation:
The statement which best explains chemical change is that a substance breaks down into one or more new substances. Thus, the correct option for this question is A.
What is a Chemical change?A chemical change may be defined as a type of change that involves an alteration in materials into another, new materials with different properties, and one or more than one new substance formed. It occurs when a substance combines with another to form a new substance.
According to the context of this question, the image shown below determines a substance that is yellow in color and breaks down into one or more new substances that are white and blue in color. A chemical change takes place when one chemical substance is transformed into one or more different substances, such as when iron becomes rust.
Therefore, the correct option for this question is A.
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what blood vessel do you palpate when checking the pulse in your neck?
Answers
The blood vessel that you palpate when checking the pulse in your neck is the carotid artery.
The carotid artery is a vital blood vessel that supplies oxygenated blood to the head and neck region of the human body. It's located in the neck's anterior triangle, which is a triangular region on the neck's front.
The carotid artery's pulsation can be felt in the neck's anterior triangle. It's a basic approach to determining the pulse rate in a human body.
One must use light pressure to feel the carotid artery's pulse, since applying too much pressure may cause fainting or a brief loss of consciousness. Therefore, the blood vessel that you palpate when checking the pulse in your neck is the carotid artery.
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Name of a similar drug that would have the same effect as longmasterol?
Answers
Alternative medicine includes a broad variety of therapeutic techniques that are not deemed traditional by the medical community, such as homoeopathy, plant therapies, naturopathy, chiropractic, acupuncture, and others. Some of these treatments are now recognised as being beneficial in certain circumstances. From July to September 2010, the ISMP MERP received reports of unclear medication names. Valtrex (valACYclovir) and Valcyte are both antiviral medications (valGANciclovir). The generic names for these two drugs are remarkably identical, and both the brand and generic names begin with the prefix "val," adding to the appearance and sound-alike confusion.
Methylphenidate short-acting medicines are found in the following strengths: Substance Potency Ritalin 5 mg, 10 mg, and 20 mg, Ritalin SR 20 mg, and methylphenidate 5 mg, 10 mg, and 20 mg.
Doctors prefer to give long-acting stimulants and supplement with a short-acting medication if the long-acting drug's impact goes off. Dextro-methylphenidate is a methylphenidate variant found in Focalin and Focalin XR. This methylphenidate variant is more potent than its standard cousin.
plants are living things true or false
Answers
True - plants are living things
Answer:
True
Explanation:
Plants are living things and they need air, nutrients, water, and sunlight. Other living things are animals, and they need food, water, space, and shelter. Non-living things include things that do not need food, eat, reproduce, or breathe.
A company wants to test a new dog food that
is supposed to help overweight dogs lose
weight. 50 dogs are chosen to get the new
food, and 50 more continue their normal diets.
After one month, the dogs are checked to
see if they lost any weight.
Answers
Answer:
To ensure a fair comparison, the company should ensure that the two groups of dogs are similar in all aspects except for their diets.
Explanation:
This is a scenario for a controlled experiment, where the company wants to test the effectiveness of new dog food by comparing it to the current diet of a group of dogs.
The experimental group consists of the 50 dogs given the new dog food, while the control group consists of the 50 dogs that continue their normal diets. The company will measure the weight of each dog in both groups before and after one month of the experiment.
To ensure a fair comparison, the company should ensure that the two groups of dogs are similar in all aspects except for their diets.
Why is the scientific method described as nonlinear?
The steps of the scientific method are repeated in a cycle.
Scientists often repeat one or more steps several times.
Sometimes scientists forget to perform some of the steps.
The steps can be performed only once but in any order.
Answers
Answer:
Scientists repeats the steps in cycle mode and in order to be sure about the results he/she chosen.
Answer:
B:Scientists often repeat one or more steps several times.
Explanation:
sometimes Scientists spent years on a step!
An angiosperm megagametophyte with 110 cells would be a highly unusual specimen because the flowering plant typically has a megagametophyte consisting of a. one pollen grain. b. a pollen tube. c. an embryo sac with eight haploid nuclei. d. microspores. e. a megasporangium and the cells within it.
Answers
An angiosperm megagametophyte with 110 cells would indeed be highly unusual. In flowering plants, the typical megagametophyte is referred to as an embryo sac, which consists of eight haploid nuclei (option c). These nuclei play crucial roles in the development and fertilization process of angiosperms.
An angiosperm megagametophyte with 110 cells would indeed be highly unusual because the typical angiosperm megagametophyte is much smaller and simpler in structure. The megagametophyte is the female gametophyte that develops within the ovule of the flower, and it is essential for sexual reproduction in flowering plants. In most angiosperms, the megagametophyte consists of an embryo sac with eight haploid nuclei, which are surrounded by two to three layers of cells. These cells play important roles in nourishing the developing embryo and in facilitating fertilization.
However, the megagametophyte can vary in size and structure among different species of angiosperms. Some plants, such as the water lily, have megagametophytes with many cells, while others have only a few. The number of cells in the megagametophyte is determined by the number of mitotic divisions that occur during its development from a single megaspore. In most angiosperms, this results in an embryo sac with eight haploid nuclei, but in rare cases, additional mitotic divisions can occur, leading to a larger megagametophyte with more cells.
Overall, while it is possible for an angiosperm megagametophyte to have more than the typical eight haploid nuclei, a specimen with 110 cells would be highly unusual and would likely be the result of a rare genetic or developmental anomaly.
The other options, such as one pollen grain, a pollen tube, microspores, and a megasporangium with the cells within it, are not the correct descriptions for an angiosperm megagametophyte. Therefore, the presence of 110 cells would be quite atypical for a megagametophyte in flowering plants.
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Application in Real Life Situations. Find/Identify at least 3 situations under the scope of conformation
of Biological Molecules that can be expressed in a single statement
Answers
1. Protein Folding: The conformation of biological molecules plays a crucial role in protein folding, where the primary sequence of amino acids adopts a specific three-dimensional structure.
The correct conformation is essential for the protein to function properly, and any misfolding can lead to protein misfolding diseases such as Alzheimer's or Parkinson's disease.
2. Enzyme-Substrate Interactions: In enzyme-substrate interactions, the conformation of both the enzyme and the substrate is critical for efficient catalysis. The active site of the enzyme must have the correct conformation to bind with the substrate and facilitate the chemical reaction. Any alteration in the conformation of the enzyme or substrate can affect the binding affinity and enzymatic activity.
3. DNA Double Helix Structure: The conformation of DNA as a double helix is vital for its stability and proper functioning. The complementary base pairing between adenine-thymine and guanine-cytosine allows DNA to maintain its characteristic double helical structure. Any disruption or alteration in the conformation of DNA can affect its ability to store and transmit genetic information accurately.
These examples highlight the significance of conformation in various biological processes, emphasizing the importance of maintaining the correct shape and structure of biological molecules for their proper functioning and overall organismal health.
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Why is cooperative binding of hemoglobin adaptive?
Answers
Which environmental group is most closely associated with mountain climbing, backpacking, and camping? A. Environmental Defense Fund B. Greenpeace C. Sierra Club D. World Wildlife Fund
Answers
The environmental group is most closely associated with mountain climbing, backpacking is Sierra Club, option (C) is correct.
The Sierra Club is most closely associated with mountain climbing, backpacking, and camping. Founded in 1892, the Sierra Club is one of the oldest and largest environmental organizations in the United States. It has a long history of promoting outdoor recreational activities and conservation efforts in natural landscapes, particularly in mountainous regions.
The club's members and supporters actively engage in activities such as hiking, backpacking, and camping, often in environmentally sensitive areas. The Sierra Club advocates for the protection of wilderness areas, preservation of ecosystems, and sustainable outdoor recreation practices. Through its outings programs and conservation campaigns, the Sierra Club encourages people to connect with nature, experience the beauty of mountains, and develop a sense of stewardship towards the environment, option (C) is correct.
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Please help!
Peter is pushing the rock but the rock is not moving. Choose the statement that describes the force(s) being applied in the image.
a boy pushing a rock, but the rock is not moving
The force of the push is an unbalanced force.
The forces acting on the rock are balanced.
A weaker force of pushing would result in unbalanced forces.
The force of gravity is pulling the rock upwards.
Answers
Explanation: Basically since the object is not moving we can consider this system to have a net force of zero (where are forces are balanced). In this problem, the force applied equals the static friction pushing back, and the force of gravity equals the normal force exerted by the ground on the rock.
Answer:2b
Explanation:
Both negative-frequency dependent selection and heterozygote advantage can lead to a stable polymorphism. Answer the following questions. A) Of the two mechanisms, which is guaranteed to produce a stable polymorphic equilibrium? Which is not? Explain. (A polymorphic equilibrium is one in which both alleles are present). B) Of the two mechanisms, which could apply to bacteria? Which could not?
Answers
(A) Heterozygote advantage is guaranteed to produce a stable polymorphic equilibrium, while negative-frequency dependent selection may or may not produce a stable polymorphic equilibrium.
(B) Both negative-frequency dependent selection and heterozygote advantage could apply to bacteria.
What is Heterozygote advantage?Heterozygote advantage means that individuals who are heterozygous at a particular locus have a higher fitness than either of the homozygous genotypes. This creates a balanced selection scenario where both alleles are maintained in the population, leading to a stable polymorphic equilibrium.
On the other hand, negative-frequency dependent selection refers to a scenario where the fitness of a particular genotype depends on its frequency in the population. If the less common genotype has a higher fitness, then it will be favored by selection, leading to a stable polymorphic equilibrium. However, if the more common genotype has a higher fitness, then it will continue to increase in frequency until it becomes fixed in the population, resulting in a monomorphic equilibrium instead of a polymorphic one.
(B) Both negative-frequency dependent selection and heterozygote advantage could apply to bacteria.
Negative-frequency dependent selection can occur in bacterial populations where the fitness of a particular genotype depends on its frequency relative to other genotypes in the population. For example, some bacterial strains produce antibiotics that target other bacterial strains. If a rare genotype is able to produce an antibiotic-resistant enzyme that neutralizes the antibiotic, it will have a higher fitness and will increase in frequency until it becomes more common. This creates a negative-frequency dependent selection scenario that can lead to a stable polymorphic equilibrium.
Heterozygote advantage can also occur in bacterial populations. For example, some bacteria can use two different sugars as a source of energy, and different alleles at a particular locus may confer the ability to use one sugar or the other. If heterozygous individuals are able to use both sugars, they will have a higher fitness than either of the homozygous genotypes, leading to a stable polymorphic equilibrium.
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Mitochondria are cellular organelles that act as the power generators of the cell by converting oxygen and nutrients into ATP. The number of mitochondria present in a cell depends on the metabolic needs of that cell. Based on this information, which of the following types of cells possess a large quantity of mitochondria?
Answers
A
gene
is a section of a chromosome that codes for a trait. The specific combination of alleles an organism has is called its
genotype,
which affect(s) the organism's??
Answers
A gene is a section of a chromosome that codes for a specific trait. The specific combination of alleles, an organism possesses is called its genotype. The genotype affects the organism's phenotype.
The observable physical and functional characteristics resulting from the interaction between its genotype and the environment. In other words, the phenotype is the outward expression of the genotype. For example, an individual may have a genotype for blue eyes, but the actual eye color (phenotype) could be influenced by other genetic factors or environmental conditions.
This relationship between genotype and phenotype plays a crucial role in the study of genetics, as it helps scientists understand how genetic variations contribute to individual differences in traits, susceptibility to diseases, and response to treatments. By understanding the link between genotype and phenotype, researchers can better predict and develop treatments for various genetic disorders and diseases, as well as gain insight into the complex interplay between genes and the environment. So therefore the genotype affects the organism's phenotype.
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A biome is define by its
elevation and soil
plant and animal species
climate and plant communities
latitude and longitude
Answers
Answer:
plant and animal species
Note:
Please mark as Brainliest! <3
A biome is define by its climate and plant communities. Therefore, option (B) is correct.
A biome is a big area in nature that has its own unique climate patterns and is home to certain types of plants and animals. A variety of ecosystems with comparable climate and vegetation types are included.
The environment of a biome is influenced by various factors like temperature, rainfall, and soil type. These factors play a crucial role in determining the kinds of plants that can grow and the animals that can live in that particular area. There are different types of biomes such as tropical rainforests, deserts, grasslands, tundra, and taiga.
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what compounds are required for the transport of ketones from the cytoplasm to the mitochondrial matrix? a) atp, carnitine, and coenzyme a. b) atp, coenzyme a, and acyl-coa dehydrogenase c) atp, citrate, and carnitine acyltransferase i. d) carnitine, coenzyme a, and thiolase e) none of the answers is correct.
Answers
Since the transport of medium- and long-chain fatty acids into the mitochondrial matrix relies on carnitine, an increase in carnitine intake will result in a faster rate of transport. the correct answer is (E).
In addition to acyl-CoA synthetase, three enzymes are needed to transport long-chain fatty acids into the mitochondrial matrix. Carnitine is used to move fatty acyl-CoA across the outer mitochondrial membrane: palmitoyltransferase I (CPT I); fatty acylcarnitine is simultaneously converted by this enzyme.
The addition of an -SH group to the 2-carbon of pyruvate is proposed as a transport mechanism that invokes a transition state of pyruvate. Ketone bodies may cross the mitochondrial membrane via free diffusion or the carrier, according to the presented evidence.
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What is the probability of the offspring having hemophilia for the cross that is shown in the Punnett square?
Answers
Answer:
Probability of having haemophilia for the cross having genes Hh and Hh is 25 percent. Probability of having haemophilia for the cross having genes hh and hh is 100 percent.
Explanation:
Answer:
C. 50%
Explanation:
correct on edg.
A population is _____.
a group of interacting and potentially interbreeding individuals of a species.
a group of individuals many species living in an area.
c. groups of individuals that are spatially isolated.
Answers
The skeletal system also helps us _____ muscles which are attached to bones by ______ makes our bodies move. Muscles, which are cause the bones to move, which makes our bodies move
Answers
Answer:
Dont open that link or they will track you down hope this help so you dont get kidnapped. :)
ask the question again in another one
How many cells are in zygote
Answers
Answer:
In humans, both sperms and ova contain 23 chromosomes.
Explanation:
During fertilization, the diploid chromosome number 46 is regenerated in the zygote. After 24 hours of fusion, human zygote starts to divide by mitosis, commencing the embryonic period. The zygote is divided into 2-cells, 4-cells, 8- cells and then 16-cells
Answer:
two cells, then four cells, eight cells, 16 cells, and so on.
Explanation: