The "culprit" in the "Great M&M Mystery" was a student named David Bellisario.
In 1988, a science teacher named Roger Bennatti noticed that the brown M&M's in a bag appeared to weigh slightly more than the other colors. He and his colleagues decided to investigate this phenomenon, eventually leading to what became known as the "Great M&M Mystery." They hypothesized that the brown M&M's were either denser or thicker than the other colors, causing them to weigh more.
However, after numerous experiments and tests, they were unable to find any significant differences in the weights of the M&M's based on their colors. It wasn't until several years later that a former student, David Bellisario, confessed to the prank. He had added a few extra brown M&M's to the bag to see if he could trick his teacher.
The "Great M&M Mystery" became a famous example of the scientific method in action, as Bennatti and his colleagues went through multiple iterations of testing and experimentation to try to solve the mystery. However, in the end, it turned out to be a simple case of student mischief.
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example of Exogeneous sources of infection
Answer:In exogenous infection, no microbial carriage precedes colonization and infection. In endogenous infection, infection is preceded by oropharyngeal or GI carriage.
Explanation:
Dogs have 78 chromosomes in their diploid cells. How many chromosomes are in a dog’s liver cells?
Group of answer choices
78
23
156
39
Answer:
78 chromosomes are present in a Dog's liver cells.
Explanation:
Dogs, like all diploid organisms, have two sets of chromosomes in each somatic cell, one acquired from each parent. Each set of chromosomes incorporates 39 sets, for a add up to of 78 chromosomes. These chromosomes carry the hereditary data that decides a person dog's physical characteristics, such as coat color and body measure, as well as numerous angles of their physiology.
Liver cells, which are somatic cells, contain the total complement of chromosomes, so they too have 78 chromosomes. This implies that each liver cell contains two sets of 39 chromosomes, which are arranged in sets, with one chromosome from each parent forming each pair. During cell division, the chromosomes are copied and conveyed equally between the girl cells to preserve the diploid chromosome number.
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If someone were unable to produce cytokines, what would be the consequences?
The immune system's inability to respond to infections without cytokines makes a person prone to infectious illnesses.
How do cytokines work?The immune system depends heavily on cytokines, which are tiny proteins. They are made by immune cells and serve as signalling molecules that aid in coordinating the response of various cells to an infection or injury.
Is it possible to fully lack the ability to create cytokines?There are a few uncommon genetic diseases that can completely stop the production of cytokines, like X-linked severe combined immunodeficiency (SCID). Because to their highly weakened immune systems, these people need ongoing medical care to guard against infections. Nonetheless, it is more frequent for people to have cytokine levels that are below normal or for some cytokine pathways to be dysfunctional, which can still affect immune function but to a lesser amount.
What occurs in the case of cytokine production failure?A person's immune system may be compromised and they may be more prone to infections if they are unable to create cytokines. They might also struggle to develop a powerful immune defence against microorganisms, which could lead to recurring or chronic illnesses.
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The immune system's inability to respond to infections without cytokines makes a person prone to infectious illnesses.
How do cytokines work?The immune system depends heavily on cytokines, which are tiny proteins. They are made by immune cells and serve as signalling molecules that aid in coordinating the response of various cells to an infection or injury.
Is it possible to fully lack the ability to create cytokines?There are a few uncommon genetic diseases that can completely stop the production of cytokines, like X-linked severe combined immunodeficiency (SCID). Because to their highly weakened immune systems, these people need ongoing medical care to guard against infections. Nonetheless, it is more frequent for people to have cytokine levels that are below normal or for some cytokine pathways to be dysfunctional, which can still affect immune function but to a lesser amount.
What occurs in the case of cytokine production failure?A person's immune system may be compromised and they may be more prone to infections if they are unable to create cytokines. They might also struggle to develop a powerful immune defence against microorganisms, which could lead to recurring or chronic illnesses.
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In a cats short tails (D) are dominant to long (d) and brown fur (H) is dominant to white (h) what are all the possible phenotypes
In this scenario, there are two dominant traits: short tails (D) and brown fur (H). To list all possible phenotypes, we need to consider the combinations of dominant and recessive alleles for both traits. There are four possible phenotypes:
1. Short tails and brown fur (DH): This cat has the dominant short tail allele (D) and the dominant brown fur allele (H).
2. Short tails and white fur (Dh): This cat has the dominant short tail allele (D) and the recessive white fur allele (h).
3. Long tails and brown fur (dH): This cat has the recessive long tail allele (d) and the dominant brown fur allele (H).
4. Long tails and white fur (dh): This cat has the recessive long tail allele (d) and the recessive white fur allele (h).
These four phenotypes cover all the possible combinations of the given traits in cats.
suggest and discussion possible renewable energy that a country could utilise for the purpose of reducing greenhouse gas emissions
One possible renewable energy that a country could utilise to reduce greenhouse gas emissions is solar power.
Solar power is a renewable energy source that is generated by capturing energy from the sun's rays and converting it into electricity. It is a clean energy source that does not emit any greenhouse gases, making it an ideal choice for reducing carbon emissions. Solar power can be harnessed through photovoltaic panels that are installed on rooftops, on the ground, or in large-scale solar farms.
The use of solar power can help countries reduce their dependence on fossil fuels, which are major contributors to climate change. In addition, solar power can help to create jobs and stimulate economic growth in the renewable energy sector. Overall, solar power is an effective and sustainable way for countries to reduce their greenhouse gas emissions and transition towards a cleaner, more sustainable future.
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Which statement correctly describes the changes in the air as it moves
from Location R to Location T?
The sun heats the land faster than the ocean water, so high-density
air moves from the ocean to the land, becoming less dense.
The sun heats the land faster than the ocean water, so high-density
air moves from the land to the ocean, becoming less dense.
The sun heats the land slower than the ocean water, so high-density
air moves from the ocean to the land, becoming less dense.
The sun heats the land slower than the ocean water, so high-density
air moves from the land to the ocean, becoming less dense.
Answer: The answer is between (A.)-or-(B.)
The sun heats the land faster than the ocean water, so high-density air moves from the ocean to the land, becoming less dense. Hence option A is correct.
What is Sea Breeze?The sea breeze is a local wind system that occurs when the land surface is heated faster than the adjacent water surface. During the day, the sun heats the land surface, which in turn heats the air above it. This warm air rises and creates a low-pressure area over the land.
This phenomenon is called sea breeze and occurs when the temperature on land rises faster than the temperature of the water. The land surface gets heated quickly by the sun, and the air above it expands and rises, creating a low-pressure zone.
On the other hand, the water takes longer to heat up due to its higher specific heat capacity, creating a high-pressure zone. The denser air over the ocean moves toward the low-pressure area over the land, causing a cool breeze from the sea toward the land.
As the high-density air moves from the ocean to the land, it rises over the warm land surface and becomes less dense. As it rises, it cools, and the water vapor in it may condense to form clouds and eventually precipitation.
The opposite phenomenon, called land breeze, occurs at night when the land cools down faster than the ocean, causing the denser air to move from the land to the ocean.
Hence option A is correct.
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Goblet cells are only found in which tissue?
Answer: Epithelia
Explanation: Goblet cells are specialized cells that are found in several tissues of the body, including the epithelial tissues. Epithelial tissues are layers of cells that line the surfaces of organs and structures within the body, including the respiratory and digestive tracts, the conjunctiva of the eye, and the glands.
They are found in EPITHILIAL TISSUES
ASAP PLEASE!!Question 1 (5 points)
Red blood cells
Paragraph
Refer to the image of three types of cells:
1. Describe the shape of each cell. 2 points
2. Explain how the structure of each cell relates to its function (why are they shaped
the way they are). 3 points
Answer:
RBC-biconcave
Skin-polygonal(might be best answer as shape changes according to the layer)
nerve cells-dendritic or tree shape(star shape with tail)
rbc cells have biconcave shape to allow increased surface area for exchange of gases and passage through narrow capillaries.
skin cells have mainly barrier function and polygonal shape allows them to extensively arrange themselves to make an efficient barrier.
nerve cells-they have to gather impulses from various other cells in many directions so star shape cell body allows this and tail(axon) is for transmitting it which in turn relays this information to other nerve cells this completing the pathway for sensory impulses and motor responses.
Explanation:
Which biological molecule is primarily used as an energy source: a)carbohydrates, b) lipids, c) proteins, d) nucleic acids,
why the heart can be considered the muscle with the greatest elastic strength.
Answer:
Elastic strength is the ability of a muscle to absorb, store, and release energy. The more energy the muscle releases, the faster and more powerful the movement. The fact that the heart pumps 2,500 gallons (9,450 liters) of blood daily makes it the muscle with the greatest elastic strength.
Explanation:
PRACTICE PROBLEMS
1. A client weighing 50 kg is to receive a Dobutrex solution of 250 mg in 500 mL D5W
ordered to titrate between 2.5 and 5 mcg/kg/min.
a. Determine the flow rate setting for a volumetric pump..
b. If the IV flow rate is being maintained at 25 mL/hr after several titrations, what is
the dosage infusing per minute?
(a) Determine the flow rate setting for a volumetric pump.
The first step is to calculate the dosage of dobutamine in milligrams per kilogram per minute. This is done by multiplying the patient's weight in kilograms by the ordered dose in micrograms per kilogram per minute. In this case, the patient weighs 50 kg and the ordered dose is 2.5 mcg/kg/min. So, the dosage is 50 kg * 2.5 mcg/kg/min = 125 mcg/min.
The next step is to calculate the volume of solution that contains this dosage. This is done by dividing the dosage in milligrams by the concentration of the solution in milligrams per milliliter. In this case, the concentration of the dobutamine solution is 250 mg in 500 mL. So, the volume of solution that contains 125 mcg of dobutamine is 125 mcg / 250 mg/mL = 0.5 mL/min.
Finally, we need to convert the flow rate from milliliters per minute to milliliters per hour. This is done by multiplying the milliliters per minute by 60 minutes per hour. So, the flow rate is 0.5 mL/min * 60 minutes/hr = 30 mL/hr.
Therefore, the flow rate setting for the volumetric pump is 30 mL/hr.
(b) If the IV flow rate is being maintained at 25 mL/hr after several titrations, what is the dosage infusing per minute?
The flow rate of 25 mL/hr is equivalent to 25 mL / 60 minutes/hr = 0.417 mL/min.
The dosage infusing per minute is calculated by multiplying the flow rate in milliliters per minute by the concentration of the solution in milligrams per milliliter. In this case, the concentration of the dobutamine solution is 250 mg in 500 mL. So, the dosage infusing per minute is 0.417 mL/min * 250 mg/mL = 10.43 mg/min.
Therefore, the dosage infusing per minute is 10.43 mg/min.
How is a butterfly wing and a bird wing different
Answer:
Insect wings lack bones, but bird and bat wings have them. Butterfly wings are covered in scales, bird wings in feathers, and bat wings with bare skin. All of these organisms have adapted to life in the air and in doing so have evolved wings.
Do birds and butterfly wings have the same function but different structures?
Features of different species that are comparable in function but not always in structure and do not originate from a single ancestral population are known as analogous structures. The wings of birds and butterflies are analogous structures as they perform similar functions but have different evolutionary origins.
Are the wings of a bird and butterfly homologous or analogous?
Butterfly and bird wings, on the other hand, are analogous and do not meet any of the criteria. Analogous structures may look similar on the surface, but since their similarity is due to convergence rather than common ancestry, analogous structures generally don't meet all of the criteria above.
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Butterfly wings and bird wings are different in both structure and function. Butterfly wings are made up of thin layers of chitin, a protein that forms the exoskeleton of insects. The wings are covered in tiny scales that give them their color and pattern. Butterflies have two pairs of wings and no bones in their wings.
On the other hand, bird wings are made up of bones, muscles, and feathers. Birds have one pair of wings that are attached to their skeleton. The feathers on a bird's wing provide lift and help with flight.
In terms of function, bird wings are used for flapping transversely to generate lift and propulsion, whereas butterfly wings are used for flapping laterally to generate lift.
MARK ME BRAINLEIST100) Which of the following applies only to bryophytes?
Bryophytes are non-tracheophytes and have sporangium in their structure.
The correct options are option b and c.
Hornworts, mosses and liverworts are some of the examples of bryophytes. Bryophytes do not have any true roots and instead of true roots, they basically have rhizoids.
Bryophytes do not possess any kind of vascular tissue and therefore the presence of xylem or phloem is not observed in them and therefore we can say they contain no tracheid and hence are non-tracheophytes. They do not have conductive system for the transport of water and food in the plant body.
Hence, the correct options are options b and c.
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--The given question is incomplete, the complete question is
"Which of the following would be associated with bryophytes? Select all that apply.
A. roots
B. non-tracheophyte
C. sporangium
D. xylem
E. phloem"--
An estuary is an area at the mouth of a river where the river joins a sea. Estuaries contain brackish water, which is a mixture of fresh water and salt water. They are rich in nutrients and support a large number of fish species.
The biodiversity of a particular estuary has decreased due to human activities such as pollution, overfishing, and construction. A scientist wants to develop a method to restore the biodiversity of this estuary. Which method should the scientist choose?
A.
building large concrete slabs surrounding the estuary
B.
introducing non-native fish by building a fish farm in the estuary
C.
planting buffer strips and restoring grasses along the estuary
D.
clearing all the trees surrounding the estuary
The correct option is C. planting buffer strips and restoring the grasses along the estuary.
What is an estuary at a river's mouth?An estuary is the location where a freshwater river or stream meets the ocean. Brackish water is produced in estuaries when freshwater rivers and the seawater mix. Brackish water has some saltiness, though not as much as the ocean. An estuary may also be referred to as a bay, lagoon, sound, or slough.
What does the estuarine blend of freshwater and saltwater look like?Estuaries, which are large bodies of water, and the marshes that surround them are frequently found where rivers and the sea meet. Estuaries contain distinct plant and animal species that have adapted to brackish water.
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Describe the roles of the pituitary gland and blood vessels in coordinating growth in an organism.
Answer:
The pituitary gland is a small, pea-sized gland located at the base of your brain. It releases several essential hormones and controls the function of other endocrine system glands.
Explanation:
The pituitary gland releases growth hormone, which stimulates cell division and protein synthesis, while blood vessels deliver nutrients and oxygen for growth.
What is pituitary gland?The pituitary gland and blood vessels play important roles in coordinating growth in an organism. The pituitary gland is a small gland located at the base of the brain, and it is responsible for releasing growth hormones into the bloodstream. These hormones then travel through the bloodstream to target cells throughout the body, where they stimulate growth and development.
The blood vessels play a critical role in delivering these hormones to their target cells. As blood flows through the body, it carries the growth hormones to their target cells, allowing them to promote growth and development. Together, the pituitary gland and blood vessels form an intricate network that helps to coordinate growth and development in the body, ensuring that all organs and tissues grow at the appropriate rate and in the proper sequence.
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Can I have 1 male and 2 female mice together? Want to make sure nothing will happen.
Answer: they will work together as long as you don't try to force reproduction
Explanation:
Compared to the relative age of the surface oceanic bedrock at location C, state the relative age of the surface oceanic bedrock at location D. Explain why this difference in relative age
The term relative age of maritime bedrock can change depending on the area and topographical action within the region.
What is the relative age?For example, in the event that there has been recent volcanic movement within the region, the relative age of the surface maritime bedrock can be moderately youthful compared to zones where there has been no volcanic movement for a long time.
Also, the relative age of maritime bedrock can too be influenced by forms such as structural plate development and disintegration.
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Which of these is a drawback of oil extraction from tar sands?
When compared to producing the same amount of conventional crude, tar sands extraction emits up to three times higher greenhouse gas emissions.
Which dangers are associated with the mining of tar sands?Additionally, it pollutes freshwater supplies, depletes them, and turns ponds of hazardous waste into vast bodies of water. Piles of petroleum coke, a dangerous byproduct of refining the sticky, black liquid, are created. In actuality, tar sands oil is among the most harmful, carbon-intensive, and poisonous fuels on the planet. When compared to normal crude oil, it produces three times as much greenhouse gas emissions.It releases greenhouse gases that are extremely detrimental to our environment throughout the extraction process.For more information on oil extraction kindly visit to
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What organelles are structures 1, 2, 3, and 4?
Organelle
1
2
B
=
4
F
2
1
3
For pickname give a metaphor for the organelle (for example, a
pls help
The given cell is a bacterial cell in which 1 is bacterial DNA, 2 is the ribosome, 3 is the plasma membrane, and 4 is plasmid DNA.
A bacterial cell is a type of prokaryotic cell that makes up bacteria. Bacteria are unicellular organisms that can be found in nearly every environment on Earth, including soil, water, air, and inside other organisms. Bacterial cells are much smaller and simpler in structure than eukaryotic cells, such as those found in plants and animals.
A typical bacterial cell consists of a cell membrane, a cell wall, and a cytoplasm containing ribosomes and genetic material in the form of DNA.
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Look at the drawing. What would MOST LIKELY cause the rock to break apart? It's from Education Galaxy.
A) Earthquakes cause the rocks to crack
B) Wind blows through the cracks.
C) Heat forces the rock to crack
D ) Water freezes in the cracks.
Pls Help...
What would most likely cause the rock to break apart is water freezing in the cracks; option D.
What are rocks?A rock is a naturally occurring product made up of crystalline crystals of various minerals that have fused together to form a solid mass. The minerals might or might not have formed simultaneously.
There are three types of rocks; Sedimentary, metamorphic, and igneous.
Igneous rocks are rocks formed deep inside the Earth.
Metamorphic rocks are made from other rocks that are altered underground by heat and pressure.
Sedimentary rocks are that are formed from Sand, silt, dead plants, and animal bones are all layers that contribute to the formation of
The breaking down of rocks is known as weathering which may be physical, chemical, or biological.
When water freezes in the cracks in a rock, it causes them to break apart and this is a form of physical weathering.
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mich of the following is a product of the citric acid cycle?
Multiple Choice
Pyruvic acid
Carbon dioxide
Glycogen
Water
Answer:
Carbon dioxide, and glycogen.
Glycolysis produces 2 pyruvate molecules. The pyruvate molecules then form acetyl CoA and one molecule of carbon dioxide is released. The acetyl-CoA molecules then enter the citric acid cycle. The end product of the citric acid cycle is 2 carbon dioxide molecules, 1 GTP, 3 NADH, and 1 FADH
If everyone in the population has an equal chance of inclusion in a study, then one would say that the study used a ___________ sampling technique for the study.
A.
random
B.
quota
C.
convenience
D.
availability
Please select the best answer from the choices provided
Answer:
A- Random
Explanation:
what is an effect of an increase in ocean temperature?
Answer:
Increased precipitation
Explanation:
How are the functions of cork and a cuticle similar? How are these features different?
A 2013 investigation found “worrisome” amounts of ____ in 97% of the chicken meat in stores across the United States.
Answer:
your answer is
Explanation:
bacteria
A 2013 investigation found “worrisome” amounts of bacteria in 97% of the chicken meat in stores across the United States.
Bacteria are single-celled microorganisms that belong to the domain of life known as Bacteria. They are among the most abundant and diverse organisms on Earth. They can be found in various environments, including soil, water, air, and the bodies of plants and animals.
Bacteria come in different shapes (such as spheres, rods, and spirals) and sizes, ranging from a few micrometers to sub-micrometer dimensions. They can cause various kinds of diseases in organisms.
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I really need help with Biology 102 ASAP!!!! but it's due date: Apr 26, 2023 at 11:59 PM EDT
Question 7 parts 1, 2, 3 and 4
Matching the Hormone with its function:
Epinephrine: Stress response, repair damaged tissueNorepinephrine: Fight or flight response Cortisol: Relieving inflammation and pain Cortisone: Relieving inflammation and painAldosterone: Promotes renal absorption of sodium ions and excretion of potassium ions Glucocorticoids: Regulate metabolism and immune responseMatch the Hormone to where it is produced:
Adrenal Medulla: Epinephrine and NorepinephrineAdrenal Cortex: Cortisol, Cortisone, Aldosterone, and Glucocorticoids.Learn more about Hormones, here:
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What is the process involves in digestion
Answer:
The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation. The first of these processes, ingestion, refers to the entry of food into the alimentary canal through the mouth.
Mistletoe is a plant species that spreads when bird droppings containing its seeds land on tree branches. After a seed sprouts, the
mistletoe plant penetrates the tissues of the tree using its haustorium, a structure that draws water and nutrients into the plant.
Mistletoe plants also produce large bunches of evergreen leaves that use light to photosynthesize nutrients. These leaves can
block light from reaching the leaves of the tree the mistletoe inhabits. Some trees that become filled with mistletoe are susceptible
to death from a lack of nutrients. Which terms best classify the interactions between mistletoe and the tree it inhabits?
O A. predation and parasitism
OB.
parasitism and competition
C.
mutualism and cooperation
O D. competition and predation
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Next Question
Describe the difference between a limiting factor and ecosystem carrying capacity
Answer:
A limiting factor refers to any factor in an ecosystem that restricts the growth, abundance, or distribution of a particular organism or population. Examples of limiting factors include access to food, water, shelter, or other resources, as well as environmental factors such as temperature, pH, or precipitation levels.
On the other hand, ecosystem carrying capacity refers to the maximum number of organisms or population size that an ecosystem can support sustainably over a given period of time, without causing significant environmental degradation or resource depletion. Carrying capacity is influenced by many factors, including the availability of resources, interactions between different species, environmental conditions, and other factors that affect ecosystem functioning.
In summary, while limiting factors restrict the growth and abundance of a particular organism or population, ecosystem carrying capacity refers to the maximum sustainable population size that an ecosystem can support over time.
Hope this helps!
The number of organisms that can live in an ecosystem is regulated by limiting factors. Carrying Capacity is the maximum population size that the ecosystem can support.
Organisms require resources and space to live. These requirements are called limiting factors which can include space, food, oxygen, and water. Carrying Capacity is the maximum size of the population that the ecosystem can support. Carrying Capacity is affected by the availability of decomposers. Limiting Factors also determine carrying capacity.
The population of a species, in an ecosystem, will increase until it reaches its carrying capacity. Human activities can also increase or decrease the carrying capacity.
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What are two main ways in which human genetics follows the genetic patterns in other organisms?
Answer:
Autosomal Dominant and Autosomal Recessive.
Explanation:
These are called inheritance patterns. Examples of inheritance patterns include:
Autosomal dominant – where the gene for a trait or condition is dominant, and is on a non-sex chromosome. Autosomal recessive – where the gene for a trait or is recessive, and is on a non-sex chromosome.please mark me as brainliest and rate my answer