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What makes a hypothesis different from a theory or a law?
Select one:
A hypothesis takes much more time to develop.
A hypothesis can be rejected based on a single experiment.
A hypothesis has more scientific evidence to back it up.
A hypothesis, once determined, is never altered.
Answers
Answer:
A hypothesis is different from a theory or a law because a hypothesis can be rejected based on a single experiment.
Explanation:
A hypothesis is different from a theory or a law because a hypothesis can be rejected based on a single experiment. In science, a hypothesis is a proposed explanation for a phenomenon that can be tested through observation and experimentation. If the evidence from the experiment supports the hypothesis, it may be considered a theory. If the evidence is strong and widely accepted, the hypothesis may become a scientific law. However, if the evidence from the experiment does not support the hypothesis, the hypothesis must be rejected or revised. In contrast, a theory or a law is a well-established explanation for a phenomenon that has been supported by a large body of evidence and is generally accepted as true.
Answer:
A hypothesis can be rejected based on a single experiment.
Explanation:
A hypothesis can be rejected based on a single experiment. This is what sets it apart from a theory or a law.
A hypothesis is a proposed explanation for a phenomenon that is based on limited evidence. It is a tentative idea that is put forward to explain a particular phenomenon, and it can be tested through further experimentation and observation. If the hypothesis is supported by the evidence, it may be provisionally accepted as a plausible explanation for the phenomenon. However, if the evidence does not support the hypothesis, it can be rejected.
In contrast, a theory is a well-substantiated explanation for a wide range of phenomena. A theory is supported by a large body of evidence and has been tested and refined through repeated experiments and observations. A theory is considered to be a highly reliable explanation for a phenomenon, but it is not considered to be absolute truth.
A law, on the other hand, is a concise statement that describes a specific pattern or behavior that is observed in the natural world. A law is based on a large body of evidence and has been extensively tested and confirmed. A law is considered to be a fundamental and unchangeable principle of nature.
In summary, a hypothesis is a tentative explanation for a phenomenon that is based on limited evidence, and it can be rejected based on a single experiment. A theory is a well-substantiated explanation for a wide range of phenomena, and a law is a concise statement that describes a specific pattern or behavior in nature.
Related Questions
- Monarch butterflies migrate from the U.S. and
Canada to Mexico every winter. Over the past
10 years, there has been a drastic decrease in
the number of monarch butterflies. Scientists
have estimated that the population may have
decreased from about 1 billion to 35 million.
Which action would not be considered a
reason for the decline in monarch butterfly
populations?
(1) illegal deforestation
(2) extreme temperature changes
(3) decreasing food supplies
(4) habitat preservation
Answers
Answer:4
Explanation:
Which statement describes how energy is conserved in an ecosystem? A. About 90% of the energy is used or released by the organism, and the remainder is transferred to the next trophic level. • B. About 40% of the energy is transferred to the next trophic level, and the remainder is released into the ecosystem. c. About 90% of the energy is transferred to the next trophic level, and the remainder is released into the ecosystem. • D. About 10% of the energy is used or released by the organism, and the remainder is transferred to the next trophic level.
Answers
Answer:
about 90 of the energy is transferred TO the next trophic level...which is the answer is A
HELP PLEASE ITS DUE SOON OFFERING 25 POINTS
THANK YOU!
Answers
2. Glucose energy is stored as glycogen, with the majority of it in the muscle and liver.
Examples:
1. Beans and legumes, such as black beans, chickpeas, lentils and kidney beans.
2. Fruits, such as apples, berries and melons.
3. Whole-grain products, such as brown rice, oatmeal and whole-wheat bread and pasta.
4. Vegetables, such as corn, lima beans, peas and potatoes.
Which of the following correctly describes a cell that is haploid. There is more then one correct answer.
A cell with a single set of chromosomes
Includes zygotes
In humans contains 46 chromosomes
In humans contains 23 chromosomes
All cells except gametes
Includes gametes
A cell with two sets of chromosomes
Answers
Explanation:
a cell with a single set of chromosomes
in humans contain 23 chromosomes
includes gametes
Which of the following is NOT part of the natural selection concept as developed by Darwin?
individuals that have the most favorable traits are most likely to reproduce
Variation occurs among individuals in a population
More offspring are produced than will survive to reproduce
The genes of an organism can adapt to a changing environment
Answers
Variation occurs among individuals in a population is not the part od Darwin's natural selection.
What is variation?
It is the difference between cells, individual or a group of organism of any species caused by mutation in genes or by the effect of environment on the expression of genes.
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Identify the link of chain of infection has been broken by following action
Early recognition of signs of infection and subsequent treatment
Answers
The part(s) of the chain of infection that has been broken by or eliminated by the following action "early recognition of signs of infection and subsequent treatment" is: "infectious agent" (Option A)
What is a chain of infection?The transmission of an illness within a population is referred to as a "chain," which is made up of numerous interrelated phases that define how a pathogen spreads. Infection control and contact tracing are intended to break the chain, stopping the spread of a pathogen.
Emerging infectious illnesses are those whose human incidence has grown in the last two decades or is expected to rise in the near future.
These infections, which may swiftly spread over national boundaries and communities, may provide a challenge to the public health system's ability to prevent and control disease transmission, particularly in resource-limited nations and areas.
Transmission happens when an agent leaves its reservoir or host by an exit portal, is transmitted by some method of transmission, and enters through an appropriate entry portal to infect a susceptible host. This sequence is commonly referred to as the infection chain.
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Full Question:
Identify the part(s) of the chain of infection that has been eliminated by the following actions: early recognition of signs of infection
answer choices
infectious agentportal of entrysource of reservoirA zebra and a donkey can successfully mate to produce offspring known as a zonkey. Zonkeys are infertile, display a mixture of donkey and zebra traits, and have a different number of chromosomes from both parent species. Would zonkeys be classified as their own species? Explain with at least one full sentence.
Answers
Zonkeys are the offspring produced from a cross between a zebra and a donkey. These are classified as a separate species as it shows characteristic
What are Zonkeys?A zonkey is a offspring produced from the cross between a zebra and a donkey. Donkeys are closely related to zebras and both of these animals belong to the horse family.
Zonkeys are the used as beasts of burden (work animals) because of their great strength and stamina to hold heavy weights. It is also believed that they inherit resistance to some pests and diseases as well from their zebra fathers. Some zoos also use them to offer rides to the public.
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1. What happens to our body when we are exposed to temperature extremes? What do we do to control our internal temperature?
Answers
Explanation:
when we are in heat our body companciates with surrounding by profusely sweating
we can control our internal temperature by escape in time from heat and
Small, nonpolar hydrophobic molecules such as fatty acids
a. pass readily through a
membrane's lipid bilayer
b. diffuse very slowly through the lipid bilayer
c require special channels to enter a cell
d. are actively transported across cell membranes
c. must enter the cell via endocytosis
Answers
Answer:
a. pass readily through a membrane's lipid bilayer
Explanation:
Small, nonpolar hydrophobic molecules such as fatty acids pass readily through a membrane's lipid bilayer.
Small, nonpolar hydrophobic molecules such as fatty acids pass readily through a membrane's lipid bilayer. Therefore, the correct option is option A.
The hydrophilic (water-loving) heads of the two layers of phospholipids in the lipid bilayer face outward towards the aquatic surroundings, while the hydrophobic (water-hating) tails point inward towards one another. The hydrophobic tails of phospholipids share characteristics with nonpolar hydrophobic compounds like fatty acids. These tiny molecules can easily dissolve in the hydrophobic area of the lipid bilayer because of their hydrophobic nature.
Therefore, the correct option is option A.
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Background: You are a senior scientist at the CDC. While reviewing reports you see that there is a new infection that has surfaced in a local county. The agent who managed the incident wrote this in their notes:
“…..Infection spreads rapidly through physical contact. Once on the skin, this organism is able to break down keratin and infect the lower portions of the dermis. This organism has a Gram+ cell wall, is circular in appearance and very small. While not a traditional medication, the patient responded well to a drug that targeted mitochondria….” Do you think that this is the best medication to use on the patient? Explain why this medication would or would not work.
Thanks!
Answers
While the notes indicate that the patient responded well to the drug, there is no information provided about the mechanism of action of the drug or the specific type of infection that the patient had. It is also unclear whether the drug was specifically designed to treat this type of infection or if it was used off-label.
Additionally, while the notes mention that the organism has a Gram+ cell wall and is circular in appearance, there is no information about its genetic makeup or other characteristics that could provide insight into the most effective treatment options.
Therefore, it is not possible to say definitively whether the drug that targeted mitochondria is the best medication to use on the patient without further information. As a senior scientist at the CDC, I would recommend conducting further research and testing to identify the most effective treatment options for this new infection.
Will this movement re hire an input of energy?
Answers
Their movement will require the input of energy. That is option B.
What is an active transport?An active transport is defined as the movement of molecules across the cell membrane from different compartments in the living organism.
The active transport makes use of energy because of the need to move molecules from a semi permeable membrane that is against a concentration gradient.
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Which is the part of the coral that is built up over thousands of years into a reef?
OC
OD
OB
OA
Answers
Answer: It is D.
Explanation:
The part of the coral that is built up over thousands of years into a reef is A. The correct option is D.
What is coral?Coral reefs are composed of colonies of hundreds to thousands of individual corals known as polyps.
These marine invertebrates have hard exoskeletons made of calcium carbonate and are sessile, which means they are permanently fixed in one location.
Coral reef ecosystems are basically among the most diverse as well as valuable ecosystems on the planet. Coral reefs have the most species per unit area of any marine environment.
The reef is built on a skeleton made of calcium carbonate by coral polyps.
Slowly, over hundreds or thousands of years, coral polyps add layers of limestone to their skeletons and grow outward and upward, expanding the reef.
Thus, the correct option is D.
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How is matter transformed within the process of photosynthesis
Answers
Answer:
Matter is transfered through the light stage due to the trapping if water
Explanation:
:))
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How would you explain the key concepts for the CWA in less than two minutes?
Answers
Answer:
Explanation:
vPoint Source - a source of water discharged to surface water through a discrete point - generally through a pipe, ditch, or channel.
Nonpoint Source - Nonpoint sources, such as parking lots or athletic fields, discharge runoff water to groundwater or surface water; runoff does not come from a pipe, ditch, or channel. These sources may contain pollutants such as pesticides, motor oil, and soaps.
Navigable Waters of the United States For the purposes of the Clean Water Act, the term "navigable waters" includes:
all waters used in commerce, including groundwater;
all interstate waters including wetlands, mudflats, and sand-flats; and
all other waters such as lakes, rivers, streams, wetlands and sloughs.
EPA policy states, "The majority of facilities in the U.S. have the potential to discharge to navigable waters." The Supreme Court decision in (2006) requires the Army Corps of Engineers and the EPA to determine whether there is a "significant nexus" between a navigable waterway and an area a spill might affect. In June of 2007, EPA and the Army Corps of Engineers released provisional interpretive guidance regarding the "significant nexus” question. According to this guidance, the agencies will assert jurisdiction over traditional navigable waters, wetlands adjacent thereto, and relatively permanent tributaries thereof. The agencies will generally not assert jurisdiction over swales and ditches that lack routine water flow. Finally, the agencies will apply the "significant nexus" requirement and make a case-by-case, fact-specific analysis on impermanent tributaries and other wetlands.
Additional executive orders were issued 2015 in 2019. Under the 2019 proposal, traditional navigable waters, tributaries to those waters, certain ditches, certain lakes and ponds, impoundments of jurisdictional waters, and wetlands adjacent to jurisdictional waters would be federally regulated. It also details what are not "waters of the United States," such as features that only contain water during or in response to rainfall (e.g., ephemeral features); groundwater; many ditches, including most roadside or farm ditches; prior converted cropland; stormwater control features; and waste treatment systems.
Could the requirement for one or more NPDES Discharge Permit apply to my campus?
If your campus discharges pollutants directly to navigable waters of the United States through a point source, you must obtain an NPDES permit or redirect the flow of the waste.
Stormwater releases from certain activities require an NPDES permit. The most common activities on college campuses requiring NPDES permits for stormwater are construction activities disturbing more than 1 acre, hazardous waste storage areas operating under the Resource Conservation and Recovery Act permit system, steam-generating power plants, and airports. See Stormwater section below.
Regulations issued by local water authorities, or Publicly Owned Treatment Works (POTWs), not NPDES permits, govern discharges into sanitary sewer systems. See Sewer Use (POTW) section below for more information about requirements for using POTWs for commercial or industrial waste disposal.
What do I have to do related to NPDES Discharge Permits?
Determine where wastewater flows from buildings and processes on your campus. Any industrial or commercial operation (e.g., ice rink melt pits, floor drains, and vehicle wash stations) that discharge into a water of the United States may require an NPDES permit. If required, you must obtain such a permit from the appropriate regulatory agency, probably your state environmental agency.
French drains, dry wells, and septic system leach fields are different from point source discharges because they do not immediately affect surface water. Some state and federal environmental agencies manage these systems under the Underground Injection Control program, part of the Safe Drinking Water Act. See Safe Drinking Water Act for more information.
Details of NPDES
The earth revolves ____ around the sun each year when viewed from above the North Pole
Help please!
Answers
Answer:
Counterclockwise is the answer?
The difference in solar energy received at different latitudes drives atmospheric circulation.
O True
O False
Answers
Answer: The difference in solar energy received at different latitudes drives atmospheric circulation. Places that get more solar energy have more heat. The air over the areas receiving less heat is cooler and so it sinks. The rising warm air and sinking cool air create wind which moves air and heat around the planet. so it would true if not true then false
Explanation:
Answer:
True
Explanation:
I studied this
What is reduced during glycolysis?
Answers
Answer:
There is one redox reaction during glycolysis. The oxidation of glucose begins during glycolysis. NAD+ accepts the electrons during the oxidation, and as a result it gets reduced. A total of 2 NADH are produced.
Explanation:
Answer:
During glycolysis, NAD is reduced
Fresh milk has several parts that a farmer can separate and sell. A farmer removes the top layer of fat from fresh milk. What property does the farmer use to separate the fat from the rest of the milk?
A. density
B.Magnetism
C. Boiling Point
D. Electrical Conductivity
Answers
The fats present in the top layer of fresh milk can be separated from the rest of the milk by the help of density gradient. Thus, the correct option is A.
What is density gradient?Different molecules present in a cell or liquid can be separated on the basis of density gradient. Density gradient is the difference in the density of compounds. It is a spatial variation in density over an area in a compound or cell. It is used to describe the changes in the densities of matter. This is used widely in laboratory for the purpose of the separation of compounds such as DNA, RNA, proteins, cell organelles.
The fats present in milk does not mix well due to difference in their densities with the other parts of the milk. The fats in milk has a lower density than the other compounds present in the milk.
Therefore, the correct option is A.
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How many chromatids will each daughter cell have at at the end of mitosis
Answers
Answer:
30
Explanation:
Answer:
30
Explanation:
A group of researchers transformed E. coli to express
dsRNA that matched a transcription factor, eaf-1. They
then fed these E. coli to C. elegans worms. When the
researchers examined the C. elegans, they found that
they had fewer offspring and were smaller individuals,
with similar characteristics to C. elegans in which eaf-1
had been knocked out.
The students suggested several hypotheses based on
these observations about how RNAi worked:
1. The dsRNA inhibited gene transcription.
2. The dsRNA inhibited mRNA processing.
3. The dsRNA inhibited translation of mRNA into protein.
4. The dsRNA inhibited protein folding.
Mark this and return
The researchers then performed a series of experiments
to determine which hypothesis was correct. The C.
elegans were found to be transcribing eaf-1 into mRNA,
but not producing eaf-1 protein. When the students
directly injected C. elegans with dsRNA and tracked
tagged mRNA, they found the mature mRNA was
degraded in the cytoplasm, and ribosomes were not
binding to it. Which hypothesis is supported by these
observations?
Answers
The hypothesis that is supported by these observations is that the dsRNA inhibited the translation of mRNA into protein (third option).
What does the experiment reveal about dsRNA?In this experiment, the C. elegans worms were transcribing eaf-1 into mRNA but not producing the eaf-1 protein. This phenomenon shows that dsRNA inhibited the translation of mRNA into protein related to the action of E. coli on the worms.
This also explains why the worms affected by this bacteria had fewer offspring and the offspring were smaller.
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What process formed this delta?
Select one:
-A:erosion and deposition
-B :condensation and precipitation
-C:rock layer deformation
-D: shifting tectonic plates
Answers
Answer:
I think A
Explanation:
because erosion is the washing away of soil
Erosion and deposition are the formed on this delta. Thus, the correct option is A.
What is Erosion and deposition?Erosion is the action of the surface processes such as water flow or wind which removes the soil, rock, or dissolved materials from one location on the Earth's crust and then transports it to another location on the Earth's crust where it is deposited. The erosion is distinct from that of weathering that involves no movement.
Deposition is the laying down of the sediment carried out through the wind, flowing water, the sea or ice. Sediment on the Earth's crust can be transported as pebbles, sand and mud, or as salts dissolved in water. Salts may later be deposited by the organic activity such as sea shells or by evaporation.
Therefore, the correct option is A.
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How are mates limiting factor? Isn’t having mates in fact going to increase population
Answers
Answer: How can limiting factor affect population growth?
Limiting factors are resources or other factors in the environment that can lower the population growth rate. Limiting factors include a low food supply and lack of space. Competition for resources like food and space cause the growth rate to stop increasing, so the population levels off
Explanation:
WHAT IS PHOTOSYNTHETIC?
itzurqueen001
Answers
Answer:
Photosynthesis the process by which green plants and certain other organisms transform light energy into chemical energy.
...........
This is biology can someone please help me with this please
Answers
Answer:
Answer in photo, hope it helps!!! :)
Explanation:
The following is a list of vessels and structures that are associated with the heart.
1) Right atrium
2) Left atrium
3) Right ventricle
4) Left ventricle
5) Superior & inferior vena cava
6) Aorta
7) Pulmonary artery
8) Pulmonary vein
9) Mitral/bicuspid valve
10) Tricuspid valve
11) Pulmonary semilunar valve
12) Aorta semilunar valve
What is the correct order for the flow of blood entering the heart from the BODY and leaving for PULMONARY CIRCULATION?
Answers
Answer:
5,1,10,3,11,7,8,2,9,4,12,6.
The investigations conducted by Edwin Chargaff support the idea that DNA is the source of heritable information, and they also show a relationship between the ratios of the different nitrogenous bases in DNA. Based on the results of Chargaff's research, which is the best estimate of an organism's DNA base composition that contains 28.0% thymine
Answers
all the thymine pairs with adenine, therefore there is the same number of adenine and thymine bases and the same percentage
so we have 28%thymine and 28% adenine
100-28-28=44% left
this 44% is guanine and cytosine. All of the guanine pairs with cytosine and all of the cytosine pairs with guanine so we have 44/2=22% cytosine and guanine
composition:
28%adenine
28%thymine
22%guanine
22%cytosine
What is photosynthesis
Answers
Answer:
The definition of photosynthesis is
a chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight.
Answer:
Is the process where by the plant manufacture there own food in the presence of light
What are the two main forces that cause soil erosion?
A. Water and wind
B. Plate tectonics and earthquakes
C. Plate tectonics and water
D. Earthquakes and wind
Answers
Answer:
A. Water and Wind
Explanation:
Running water is the leading cause of soil erosion because water is abundant and has a lot of power. Wind is also a leading cause of soil erosion because wind can pick up soil and blow it far away.
hope this helps!
Which of the following are the three areas of the tundra biome? (Choose all that apply.)
Arctic
Asian
Antarctic
alpine
Answers
Answer:
The three areas of the tundra biome are artic, antarctic and alpine.
Describe the role of ATP and enzymes in the underlying molecular processes, including what happens to the free energy of some of the molecules involved.
Answers
Answer:
Role of ATP and enzymes are very important.
Explanation:
The role of ATP and enzymes are very important in the process of digestion because enzyme speedup the chemical reaction such as digestion without using in it and when the break down of micromolecules such as glucose occurs, energy is produces in the form of adenine tri phosphate (ATP) that is used in different activities whereas the free energy of some molecule is utilized in doing some useful work.