A species is a group of organisms capable of mating and producing offspring, and speciation is the process of forming a new species.
One way a new species may form is by geographic isolation. This occurs when members of a population are physically separated, for example, by a river, or a desert.
After the separation the two populations, responding to different conditions, will adapt differently, and so their evolutionary paths will...
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Answer:
thanklkkks for the facts
Answer:
the answer is c
Explanation:
it is diverge
Related Questions
Which of the following is a reason to be cautious about future participation increases for women?
Group of answer choices
Proportionality
Fitness
OCR
Homophobia
Answers
OCR (Obstacle Course Racing) is a reason to be cautious about future participation increases for women.
While OCR is a growing sport, the physical demands of the obstacles may disproportionately impact women's participation due to differences in strength and body composition. It is important to consider inclusivity and accessibility when promoting OCR to women.
Proportionality is a principle in which opportunities and resources are distributed fairly among different groups, such as men and women. In the context of women's participation in various fields, including sports and other activities, proportionality ensures that there is an equal representation of both genders.
However, achieving true proportionality can be challenging due to various factors, such as societal norms, cultural barriers, and unequal access to resources. Therefore, being cautious about future participation increases for women involves addressing these challenges and promoting a more equitable distribution of opportunities.
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The degree to which two separate structures that are closed together can be distinguished .
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Answer:
Resolution
Explanation:
Explanation:
the answer is Resolution
what type of skills might be important in the field?
Answers
Answer:
good leadership, good copanisonship, and good working skills
Explanation:
The destruction of the fibrin of a blood clot is called __.
fibrinolysis
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The normal disintegration of clots is referred to as primary fibrinolysis. Secondary fibrinolysis is the breakup of blood clots caused by a medical condition, medication, or other factor.
This could result in severe bleeding. Blood clotting usually happens when a blood vessel is damaged. Pay attention to the pronunciation. (throm-BOL-ih-sis) Breaking apart a thrombus (blood clot) that is impeding blood flow. Drugs inserted through a catheter (tube) into the blood clot may dissolve it.
Plasmin degrades fibrin into soluble components known as fibrin degradation products (FDPs). FDPs compete with thrombin and hence limit clot formation by blocking fibrinogen conversion to fibrin.
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This is a mutualistic/symbiotic relationship since both the bean plant and bacteria _______________ from the close relationship. The plant receives a usable form of __________ from the bacteria and bacteria are provided with ____________ that the plant makes through photosynthesis
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This is a mutualistic/symbiotic relationship since both the bean plant and bacteria benefit from the close relationship. The plant receives a usable form of nitrogen from the bacteria, and the bacteria are provided with carbohydrates that the plant produces through photosynthesis.
The mutualistic/symbiotic relationship between the bean plant and bacteria is known as nitrogen fixation. The bacteria, typically of the genus Rhizobium, form nodules on the roots of the bean plant. Inside these nodules, the bacteria convert atmospheric nitrogen into a usable form called ammonia through a process called nitrogen fixation.
The bean plant benefits from this relationship because it is able to obtain nitrogen, an essential nutrient for growth and development, in a readily usable form. Nitrogen is a key component of proteins and nucleic acids, which are vital for plant functioning.
The plant can allocate its resources to other metabolic processes since it doesn't have to solely rely on nitrogen uptake from the soil.
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The organs in the human body perform specific functions for survival.
Organ A delivers blood to the body
Organ B delivers oxygen to the body
Organ C delivers messages to the body
Which of the following correctly identifies the organs that perform each function above?
Organ A is the heart, Organ B is the brain, and Organ C is the lungs
Organ A is the heart, Organ B is the lungs, and Organ C is the brain
Organ A is the lungs, Organ B is the brain, and Organ C is the heart
Organ A is the lungs, Organ B is the heart, and Organ C is the brain
Answers
Organ A is the heart
Organ B is the lungs
Organ C is the brain
Because heart only delivers blood to lungs and other body tissues, Lungs input oxygen into the blood and brain sends signals and messages to the body parts.
This is the answer. Hope it helps you
Answer:
B) Organ A is the heart, Organ B is the lungs, and Organ C is the brain
Explanation:
What biomolecules embedded in the cell membrane is responsible for facilitating the carrying of channeling of molecules across the cell membrane?
•Proteins
•Lipids
•Nucleic Acids
•Carbohydrates
Answers
what do you think happneed to liftime seed mass for plants witout hormoe added that limits nicotine procution and with?
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The lifetime seed mass for plants without hormone added that limits nicotine production may be larger than that of plants with hormone added. Nicotine production can be a stress response in plants, which means that without hormone limiting production, the plant may produce more nicotine to cope with stressors.
This could lead to a larger seed mass as the plant invests more energy into producing nicotine.
However, the effects of hormone limitation on life hormone-limiting time seed mass may also depend on other factors, such as the type of plant and the specific hormone being used. Some hormones may have a more significant impact on seed mass than others.
Overall, it is difficult to make a definitive statement about the impact of hormone limitation on lifetime seed mass without considering the specific context and factors involved. More research would be needed to fully understand the relationship between hormone limitation, nicotine production, and seed mass in different plant species.
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1. Why is Carbon important?
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this is correct answer oky
stage 1: glycolysis a. occurs where? b. starts with? c. produces? d. yields how much atp? e. produces atp through what process? 4. why is glycolysis thought to be one of the earliest of all biochemical processes to have evolved?
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Glycolysis is thought to be one of the earliest biochemical processes to have evolved due to its simplicity and the fact that it does not require oxygen. It can occur in anaerobic conditions, making it accessible to primitive organisms that did not have the ability to carry out oxidative metabolism.
Glycolysis provides a basic metabolic pathway for the breakdown of glucose to generate energy in the form of ATP, which is essential for cellular processes. Its early evolution allowed organisms to produce ATP even in the absence of more complex metabolic pathways.
a. Glycolysis occurs in the cytoplasm of the cell.
b. It starts with one molecule of glucose, a 6-carbon sugar molecule.
c. Glycolysis produces two molecules of pyruvate, a 3-carbon compound, as well as two molecules of ATP and two molecules of NADH.
d. Glycolysis yields a net gain of two ATP molecules.
e. ATP is produced through substrate-level phosphorylation, where a phosphate group is transferred from an intermediate molecule to ADP, forming ATP.
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What are the rarest animals
Answers
Answer:
Black-footed Ferret.
Addax.
Northern Bald Ibis.
Cross River Gorilla.
Saola.
Amur Leopard.
Philippine Crocodile.
Sumatran Rhino.
Explanation:
Answer:
1. Vaquita
2. South China Tiger
3. Sumatran Rhino
4. Philippine Crocodile
5. Amur Leopard
6. Saola
7. Cross River Gorilla
8. Northern Bald Ibis
9. Addax
10. Black-footed Ferret
What differences are there between heartwood and sapwood?
Answers
Answer:
Heartwood Sapwood
1 Cells are comparatively older. Cells are comparatively younger.
2 Also called as ‘Duramen’ Also called as ‘Alburnum’
3 Heartwood is dark colured Sapwood is light coloured.
The image shows an energy pyramid.
Only a portion of the energy in each trophic level is available to the next level.
Rabbits are part of the second trophic level. Which statement is true about
the energy stored in the tissues of rabbits?
A. Some of it will flow to the trophic level that includes plants.
B. Some of it will flow to the trophic level that includes foxes.
C. All of it will flow to the trophic level that includes plants.
O D. All of it will flow to the trophic level that includes mountain lions.
Answers
According to the 10% rule of energy transfer, some of the energy will flow from rabbits at second trophic level to the trophic level that includes foxes.
The 10% rule of energy transfer states that when energy has to be passed from a lower trophic level to a higher trophic level i.e., from producers to consumers or from primary consumers to secondary consumers, only 10 % of the total energy is transferred. The rest is utilized by the organism itself or lost during respiration and other processes.
Trophic level is the hierarchical position of an organism in the food chain or ecological pyramids. In a food chain, the lower most trophic level can only be of producers or detritivores.
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examples of basidiomycetes include multiple select question. morels. chytrids. rusts. toadstools. mushrooms, puffballs.
Answers
Some well-known basidiomycetes include puffballs, bracket fungus, and mushrooms.
Which fungi are basidiomycete members?Puffballs and bird's nest fungus are both referred to as Lycoperdon and Cyathus, respectively. Meiospores are employed in sexual reproduction. The bird's nest fungus and puffballs both produce their spores using basidia. These two organisms are club fungus, also referred to as basidiomycetes.
What distinguishes ascomycetes from basidiomycetes?The Ascus, a kind of sac-shaped cell, is used by Ascomycetes to create spores. Basidiomycetes, on the other hand, generate spores through a basidium, a sac with a club-like form. Complete response: Two macrofungi that produce huge fruiting bodies that are visible to the unaided eye are Ascomycetes and Basidiomycetes.
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the m checkpoint is an example of a checkpoint that is internally controlled by the cell. what would be the potential consequence seen in daughter cells if the cell received a stop signal at this checkpoint but was able to continue to anaphase anyway? the m checkpoint is an example of a checkpoint that is internally controlled by the cell. what would be the potential consequence seen in daughter cells if the cell received a stop signal at this checkpoint but was able to continue to anaphase anyway? at the completion of mitosis and cytokinesis, the daughter cells would automatically enter the g0 phase. at the completion of mitosis and cytokinesis, each daughter cell would have twice as much dna because the sister chromatids would not have separated properly. the cells would pause at the end of anaphase and not finish mitosis or cytokinesis. at the completion of mitosis and cytokinesis, the daughter cells could have missing or extra chromosomes.
Answers
The M checkpoint, also known as the spindle assembly checkpoint, ensures that all chromosomes are properly attached to the spindle fibers before a cell proceeds from metaphase to anaphase during mitosis.
If a cell receives a stop signal at this checkpoint but continues to anaphase anyway, the potential consequence seen in daughter cells would be the presence of missing or extra chromosomes.
This occurs because the improper separation of sister chromatids can lead to unequal distribution of chromosomes among the two daughter cells. As a result, one cell may have more chromosomes, while the other may have fewer than the normal amount. This abnormality can cause various issues in the daughter cells, such as genetic disorders or malfunctioning cells.
In summary, the M checkpoint plays a crucial role in ensuring the correct distribution of chromosomes to daughter cells during mitosis. Bypassing this checkpoint can lead to daughter cells with missing or extra chromosomes, which can have detrimental effects on the cells' function and the overall health of the organism.
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intracellular pathogens use the following mechanisms to survive inside host cells except choose one: a. preventing phagosome-lysosome fusion. b. creating a capsule inside the phagosome. c. secreting toxins. d. surviving inside the phagolysosome.
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intracellular pathogens use the following mechanisms to survive inside host cells except surviving inside the phagolysosome. The correct answer is d.
Intracellular pathogens use various mechanisms to survive inside host cells, but surviving inside the phagolysosome is not one of them. The phagolysosome is formed when a phagosome (which engulfs the pathogen) fuses with a lysosome (which contains digestive enzymes). The fusion of the phagosome and lysosome results in the formation of a phagolysosome, where the pathogen is exposed to destructive enzymes and a highly acidic environment that aid in its destruction.
The mechanisms employed by intracellular pathogens to survive inside host cells include:
a. Preventing phagosome-lysosome fusion: Some pathogens have evolved mechanisms to prevent or delay the fusion of the phagosome with lysosomes. By avoiding fusion, they can evade destruction and continue to survive within the host cell.
b. Creating a capsule inside the phagosome: Pathogens may produce a capsule, a protective layer outside their cell wall, which helps them resist phagocytosis and survive within the phagosome.
c. Secreting toxins: Intracellular pathogens may release toxins that can interfere with various cellular processes, impair the immune response, or promote their survival inside the host cell.
It's important to note that different pathogens may employ different strategies to survive inside host cells, and these mechanisms can vary depending on the specific pathogen-host interaction.
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75. Why is it important to avoid telling your client that you're performing a postural assessment?
He/she will inevitably stand with better posture than normal
He/she will feel embarrassed and will not want to improve posture
To protect yourself against a lawsuit
None of the above
Answers
The reason it is important to avoid telling your client that you're performing a postural assessment is: He/she will inevitably stand with better posture than normal.
A postural analysis assessment is an evaluation of the body's alignment and movement in relation to gravity and ideal posture. It is part of kinesiology, the study of the body's anatomy and physiology. It involves observing the function of the motor system and the nervous system's control of it, as well as comparing the body's front and back halves and lateral sides.
When a client is aware of the postural assessment, they might unconsciously correct their posture during the evaluation. This can lead to inaccurate results and hinder the development of a proper plan for posture improvement .
If the client gets to know the assessment he/she may feel embarrassed for their posture and may turn into a bad posture than before due to consciousness.
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Which of these haploid strains produce permease constitutively but do not produce β-galactosidase
a. I+ P+ O+ Z- Y-
b. I+ P+ O- Z+ Y+
c. I- P+ O+ Z-Y+
d. I- P+ O+ Z+ Y-
e. I- P+ O+ Z+ Y+
Answers
The answer is : I- P+ O+ Z-Y+
The lac operon genes, which encode vital enzymes for lactose absorption and processing, must be expressed for the bacteria to utilise lactose. E. coli should only express the lac operon when two conditions are met in order to be as effective as possible:
Glucose is not readily available, but lactose is.
The Y gene codes for lactose permease.
In the operon I- P+ O+ Z-Y+, I codes for repressor protein, therefore I- implies this lacks repressor means operon is not inhibited so it is always active.
Z codes for beta-galactosidase in this operon.
This haploid species can produce permease persistently but do not produce -galactosidase since this operon has no functioning Z gene but does have a functional Y gene.
So the answer is : I- P+ O+ Z-Y+
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MARKING PEOPLE AS BRAINLIST PLEASE HELP
1.The third phase of mitosis is what
A: Prophase
B: Telophase
C: Anaphase
2.The fourth stage of mitosis is
A:Cytokinesis
B:Telophase
C:Prophase
Answers
Answer:
1. c
2.b
Explanation:
im pretty sure that is correct
1. C, Anaphase
Anaphase is a stage during eukaryotic cell division where the chromosomes are segregated to opposite poles of the cell.
2. B, Telophase
Telophase is the final stage in cell division where the nuclear envelopes reform around the new nuclei in each half of the dividing cell.
Which of the following is not a lipid?
Asteroid
B cholesterol
C
wax
D cellulose
Answers
Answer:
cellulose
Explanation:
lipids are fats oils or waxes. cellulose is a fiber
Answer:
cellulose
Explanation:
Examples of lipids include fats, oils, waxes, certain vitamins (such as A, D, E and K), hormones and most of the cell membrane that is not made up of protein. Therefore waxes are not the answer.
Steroids are lipids because they are hydrophobic and insoluble in water, but they do not resemble lipids since they have a structure composed of four fused rings. Cholesterol is the most common steroid and is the precursor to vitamin D, testosterone, estrogen, progesterone, aldosterone, cortisol, and bile salts. Therefore steroid and cholesterol is not the answer.
imagine that a researcher tries to reduce the size of an enzyme by removing all the amino acids from the protein except those flanking, and constituting, the active site. why wouldn't this work?
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A researcher tries to reduce the size of an enzyme by removing all the amino acids from the protein except those flanking and constituting, the active site. This wouldn't work because enzymes are made up of amino acids that are joined together to form polypeptide chains (proteins) and this protein molecule is folded into a specific three-dimensional shape with a complex structure.
The function of the protein is determined by its shape, which in turn is determined by the sequence of amino acids.
It is important to note that the active site is not the only functional part of an enzyme; it is just the part that binds the substrate and where the reaction occurs.
Removing all the amino acids except those flanking the active site will lead to the loss of the structure and functionality of the protein.
As a result, the enzyme will not be able to bind its substrate and catalyze the reaction. Therefore, reducing the size of the enzyme by removing all the amino acids except those flanking the active site will not work.
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list examples of renewable and nonrenewable resources
Answers
Answer:
Resource Types
Renewable resources include timber, wind, and solar while nonrenewable resources include coal and natural gas.
Explanation:
What is the mantle composed of? *
O Magma
Lava
O Liquid metal
O Solid rock
H
Answers
Select the statements that describe brain injuries.Brain injuries only affect the brain.
Brain injuries can occur when the brain’s oxygen or glucose supply is interrupted.
Brain injuries can only be caused by physical trauma.
Brain injuries can be caused by infection or intoxication.
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Option B, C. Brain injuries can be caused by both physical trauma and non-physical causes such as infection or intoxication.
Physical trauma to the head, such as a blow or a jolt, can cause a brain injury. Examples of traumatic brain injuries include concussions, contusions, and skull fractures. These injuries can result from falls, car accidents, sports injuries, or other types of accidents. In addition to physical trauma, brain injuries can also be caused by non-physical factors such as infection or intoxication. Infections such as meningitis and encephalitis can cause inflammation and swelling in the brain, leading to brain injury. Intoxication from alcohol or drugs can also cause brain injury by affecting the brain's ability to function properly. It's important to note that brain injuries can also be caused by a combination of physical trauma and non-physical factors. For example, a person who suffers a traumatic brain injury may also develop an infection or become intoxicated, which can further complicate their recovery.
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refer to the table showing genotypic frequencies of the a locus from three different populations (1 through 3). which statement is true?
Answers
The given table below shows the genotypic frequencies of the a locus from three different populations (1 through 3):-Population Number of individuals Genotype frequencyaaAaAA1 200 0.6 0.3 0.12 100 0.7 0.2 0.13 300 0.5 0.4 0.1 .The statement that is true in reference to the table showing genotypic frequencies of the a locus from three different populations (1 through 3) is:- Genotypic frequency of the aa genotype in population 1 is 0.6 .
Explanation:-Genotype is the genetic makeup of an individual. The genetic makeup refers to the composition of alleles for a given gene (locus) that an individual possesses. Genotypic frequency is the frequency of occurrence of a particular genotype in a population. It is represented as a decimal fraction or a percentage. Genotypic frequency can be calculated using the Hardy-Weinberg equation: p2+2pq+q2=1Where p and q are the frequencies of two alleles in a population.
In the given table, the genotype frequencies for the a locus from three different populations (1 through 3) are provided. Population 1 has 200 individuals. The genotype frequency for aa in population 1 is 0.6. This means 60% of the individuals in population 1 possess the aa genotype. Therefore, the statement that is true in reference to the table showing genotypic frequencies of the a locus from three different populations (1 through 3) is that the genotypic frequency of the aa genotype in population 1 is 0.6.
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Select the correct answer.
George owns a pet dog. One day, he notices that the dog has become very aggressive, and bites anyone who comes close. Which parameter of
health is most likely the cause of the dog's behavior?
OA general
OB.
historical
Oc. physical
OD. Psychological
Answers
Answer:
psychological..............
In canadian islands, shrews have been documented to travel across frozen lakes and establish populations on previously uninhabited islands. this is an example of a) genetic drift. b) population bottleneck. c) divergent evolution. d) coevolution. e) founder effect.
Answers
The establishment of settling previously uninhabited islands and traversing icy lakes is a Founder effect.
What is Founder effect?In population genetics, the founder effect is the loss of genetic variation that occurs when a new population is founded by a very small number of individuals from a larger population. It was first thoroughly reviewed by Ernst Meyer in 1942. As a result of the loss of genetic variation, new populations can differ significantly both genotypically and phenotypically from the parental population from which they were derived. In extreme cases, founder effects are thought to lead to speciation and subsequent evolution of new species.
The founder effect occurs when a small group of migrants (not genetically representative of the population they came from) settles in a new area. In addition to the founder effect, New populations are often very small, exhibiting increased susceptibility to genetic drift, increased inbreeding, and relatively small genetic variation.
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Relationship between Photosynthesis and Cellular Respiration Video and
POSSIBLE POINTS: 20
What is the relationship between photosynthesis and cellular respiration?
O
The reactants of cellular respiration are the products of photosynthesis and the reactants of photosynthesis are the products of cellular
respiration
The reactants of cellular respiration and photosynthesis are the same but their products are different
O Cellular respiration is one of the steps in the process of photosynthesis
ο ο
O Photosynthesis is one of the steps in the process of cellular respiration.
1 2 3 4 5
Rev
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All of the following occur during the latter stages of mitotic prophase except:
a. the centrioles move apart.
b. the nucleolus disintegrates.
c. the nuclear envelope disappears.
d. chromosomes are duplicated.
e. the spindle is organized.
Answers
Chromosome are duplicated . this duplication occurs during the S phase of interphase, before mitotic prophase.
The other events (a, b, c, and e) occur during the latter stages of mitotic prophase.
The answer is d. chromosomes are duplicated. During the latter stages of mitotic prophase, the centrioles move apart, the nucleolus disintegrates, the nuclear envelope disappears, and the spindle is organized. Chromosomes were duplicated during the S phase of interphase, which occurs before mitosis. Miotic prophase is the stage of mitosis where the chromosomes condense and become visible.
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Mitotic Prophase is the phase of mitosis where chromosomes begin to condense and the mitotic spindle begins to form. The mitotic spindle is made up of microtubules that aid in the movement of chromosomes during mitosis.
All of the given options occur during the latter stages of mitotic prophase except for chromosomes being duplicated. Hence, the correct option is D.
During mitotic prophase, the following processes occur:
• Chromosomes begin to condense and become visible under a light microscope
• Centrosomes move away from each other, forming the poles of the mitotic spindle
• The nuclear envelope begins to break down
• The nucleolus begins to disappear
• The spindle fibers begin to organize
Chromosomes are already duplicated during the S phase of the cell cycle, which occurs before the M phase. During the M phase, the duplicated chromosomes are separated into two daughter cells. Therefore, chromosomes being duplicated is not a process that occurs during mitotic prophase.
Hence, we can conclude that all the given options occur during the latter stages of mitotic prophase except for the option D, which is chromosomes being duplicated.
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PLS HELP Which of the following
describes the shape of
"Prokaryote Four" shown on
the left?
A. cocci
B. rod-like
C. bacilli
Answers
Answer:b. Bacilli
Explanation:
A cocci, that is a spherical or approximately spherical bacterium, is shaped like "Prokaryote Four" in the image on the left. Thus, A. cocci is the correct response.
How can one get cocci bacteria?The coccobacilli in the genus Brucella that cause the disease brucellosis. Animals including sheep, cattle, even goats are frequently discovered to have it. Humans can contract it, nevertheless, by consuming or drinking unpasteurised milk dairy products. Moreover, the germs can get into your body through cuts, scrapes, or mucous membranes.
Cocci are an infection, right?Many throat infections are caused by streptococcus. Pneumococcus and Neisseria are other members of a coccus family that can cause gonorrhea and pneumonia, respectively.
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