The plant produce contaminated with the protozoan that causes amoebic dysentery when placed in 5% salt solution will kill the contaminants due to osmotic difference. The produce then can be brought back to normal by placing in pure water.
Amoebic dysentery is the disease caused by the microorganism called Entamoeba histolytica. The source of infection is human fecal matter. The symptoms of the disease includes abdominal cramps and diarrhea.
Osmotic difference is the difference of solute particles between two substances. When the protozoan cells are placed in salt solution, the salt solution has more solute particles that causes the secretion of water to the outside of protozoan cell, therefore causing its death by dehydration.
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Help ASAP, its for k12 Bio
Answer:
Carbon dioxide
Explanation:
Carbon dioxide needs to be removed from the body so it diffuses from blood into alveoli.
What factors led the red wolf to be considered extinct in the wild in the 1980s?
Answer:
human persecution and habitat loss
Explanation:
Your heart works by:
entirely voluntary muscle contraction.
entirely involuntary muscle contraction.
a balanced mix of voluntary and involuntary muscle contraction.
almost entirely involuntary muscle contraction, but sometimes voluntary contraction
Answer:
a balanced mix of voluntary and involuntary muscle contraction.
Explanation:
a balanced mix of voluntary and involuntary muscle contraction.
How does an enzyme catalyze a chemical reaction?
A. It reduces the amount of energy needed for the reaction to begin.
B. It reacts with the substrate to form the product.
C. It makes a copy of the sequence of nitrogen bases in the
substrate.
D. It forms a layer of insulation that protects the substrate from the
cold.
Answer:
A
Explanation:
An enzyme does not alter a chemical reaction but shift so as to neutral it.
Option A is most suitable
How does the temperature of water change if you heat it after it has alread
reached the boiling point?
The temperature of water does not change.
This is because when water is heated to its boiling point of 100 degrees Celsius, it usually takes more energy to turn a liquid into a gas, so the extra heat helps with that conversion. The temperature of water, even if it reaches its boiling point, does not change until all the water evaporates into the atmosphere. Depending on the type of container, the temperature will rise when the water runs out.
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Question in picture!
Which of the following type of forest is likely to have the most nutrient-rich soil?
Responses...
A. tropical rain forest
B. coniferous forest
C. tropical dry forest
D. deciduous forest
Answer
ATropical rain ️ forestAnswer: The correct answer is D. deciduous forest
Explanation: This answer has been confirmed correct.
The temperate deciduous forests have the most nutrient-rich soil.
A student decided to find the density of her house key to try and identify the type of metal from which it is made. She found the volume of the key to be 5 mL and the mass to be 39.5 g. Using the chart above, from which type of metal is the key made?
Going by the density of the key which is 7.9 g/mL, the key is likely made from iron.
DensityThe density of a substance is the ratio of the mass of the substance and of its volume.
The density of a substance can be mathematically expressed as:
Density = mass/volume.
Considering the key in question whose volume is 5 mL and mass is 39.5 g. The density can be determined as:
Density of the key = 39.5 /5
= 7.9 g/mL
In order to determine the nature of the metal that the key was made from, one would need to check the table of density of metals. Any metal whose density corresponds with, or is close to 7.9 g/mL would be the metal that the key is made from.
From a chart of density, the metal with a density of 7.9 g/mL is iron.
In other words, the key must have been made from iron.
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Cool air is less dense than warm air.
Question 7 options:
True
False
The genotype of a dog with black coat (C) and brown eyes (E) is CCEE. The genotype of a dog with tan coat (c) and grey eyes (e) is ccee. Assume both genes are unlinked. Assume two dogs with these specific genotypes produce puppies.
What is the ratio of phenotypes in the F2 generation?
A The ratio will be 9:3:3:1
B The ratio will be 9:6:1
C The ratio will be 16:0
D The ratio will be 9:1
ATP --> ADP + P is an example of an _reaction,because there is __an
of the energy
energy.
endergonic; input
exergonic; input
exergonic; output
endergonic; output
ATP → ADP + P is an example of an endergonic reaction, because there is an output of the energy.
An endergonic reaction is one that calls for free electricity to proceed. An example of an endergonic response of biological hobby is photosynthesis. Photosynthetic organisms conduct this response by using using sun photons to drive the discount of carbon dioxide to glucose and the oxidation of water to oxygen.
Within the exergonic response, the reactants are at a higher unfastened power degree than the goods reaction is going energetically downhill. In the endergonic response response, the reactants are at a decrease loose power stage than the products response goes energetically uphill.
The endergonic reactions of photosynthesis and chemosynthesis allow creatures at the bottom of the energy pyramid to live to tell the tale and to feed organisms like ourselves, who get their strength by means of breaking down sugars and fats to free up that stored power.
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Which statement describes how energy moves through an ecosystem?
OA. The Sun's energy is captured by primary consumers, and about
10% of the energy at each level is available to the next trophic
level.
OB. The Sun's energy is captured by producers, and about 90% of the
energy at each level is available to the next trophic level.
OC. The Sun's energy is captured by primary consumers, and about
90% of the energy at each level is available to the next trophic
level.
OD. The Sun's energy is captured by producers, and about 10% of the
energy at each level is available to the next trophic level.
[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]
[tex]\texttt{D.) The sun's energy is captured by} [/tex] [tex] \texttt{producers, and about } [/tex][tex]{ 10% } [/tex][tex] \texttt{of the energy is available to} [/tex][tex] \texttt{the next trophic level. } [/tex]
____________________________________
[tex] \large \tt Solution \: : [/tex]
Producers are the ones who are responsible for making their own food, in this process they capture energy from sunlight. And as we move in the food chain, 10 of the whole energy is transferred to next trophic level, as most of the energy is consumed by the organism itself.
Answered by : ❝ AǫᴜᴀWɪᴢ ❞
Answer:
D. The suns energy is captured by producers, and about 10% of the energy at each level is available to the next trophic level.
Explanation:
Got Correct On ASSIST.
Monomers are small molecules that can join together to make larger molecules called polymers.
Nearly all of the large molecules in our bodies are a kind of polymer. Which of the examples below are monomers? Check all that apply
A.DNA
B.Starch
C.Sucrose
D.Amino Acid
E.Glucose
what are the two processes in meiosis that create genetic differences among cells?
Answer:
independent assortment during anaphase and crossing over during prophase
Explanation:
genetic material is swapped during crossing over
chromosomes from either mother or father could be put into any gamete during independent assortment
The two processes in meiosis that create genetic differences among cells are independent assortment and recombination.
What are recombination and independent assortment?DNA fragments are broken and recombined during the recombination process to create novel allele combinations. The genetic variation that results from this recombination process at the gene level reflects variations in the DNA sequences of various species.
Recombinant and novel gene combinations are produced by the independent collection of genes.
The connected genes do not demonstrate independent assortment, since they are inherited together. More parental types and fewer recombinant are created because connected genes lack independent assortment.
Thus, the two processes are independent assortment and recombination.
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a short pea plant that is heterozygous for flower colour is crossed with a homozygous tall pea plant that is also heterozygous for a flower colour. determine the genotypes of the plant. what gametes can the plants produce
The genotypes of the plant are,
Short Plant + Heterozygous Flower Color- ttYy
Homozygous Tall Plant + Heterozygous Flower Color- TTYy
The gametes for short plant with heterozygous for flower color are tY, and ty. Where gametes for homozygous tall plant with heterozygous for flower color are TY, and Ty.
T- Tall height allele, t- short height allele; Y/y- Flower color allele.
Heterozygous Allele- A gene can exist in two or more different forms, known as alleles, and they can all be present at the same location, or locus, on a chromosome. The term "heterozygous" describes the presence of several alleles for a given characteristic.
Homozygous Allele- In terms of genetics, being homozygous means have inherited the same alleles (versions) of a genetic marker from both biological parents. A person who possesses two identical copies of a genetic marker is said to be homozygous for that marker.
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What is the importance of knowing the 5R techniques?
Answer:
These R's include: reduce, reuse, recycle, repurpose and finally, refuse. This is an important methodology for businesses to follow to ensure they can reduce waste and boost their recycling efforts. This ultimately lessens the amount of waste that will end up in landfill and will optimise your recycling programs.
Explanation:
hope it's help:)
How might you model the relationship between a tomato plant and the hornworm catepillar?
Answer:
Parasitism.
Explanation:
The relationship between a tomato plant and the hornworm caterpillar is parasitism because parasitism is a type of symbiotic relationship in which one organism get benefits and the other get harmed. We know that hornworm caterpillar feed on leaves and destroy the tomato crop. So it gets nutrients from tomato plant and the tomato plant is negatively affected. The input of this system is the vegetative part of tomato plant while the output is the conversion of hornworm caterpillar into a moth.
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Your friend Elena beat her old weightlifting record yesterday, but today she woke up
barely able to move her legs. She says she feels a lot of pain whenever she bends her
legs. With this information, the most likely diagnosis would be:
passive muscle strain.
active muscle strain.
delayed onset muscle soreness.
acute muscle spasm.
The most likely diagnosis for this person who woke up barely able to move her legs would be delayed onset muscle soreness (option 3).
What is delayed onset muscle soreness?The expression delayed onset muscle soreness makes reference to a condition in which a person exhibits limited muscle movement, which may be due to a different condition or also due to excessive physical exercise over a short period of time.
Therefore, we can conclude that delayed onset muscle soreness may be a condition that might emerge in an individual under excessive physical exercise.
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What’s the correct answer asap for brainlist
help asp please BRAINLIEST
Answer:
Zirconium
manganese
potassioum
5- period
Explanation:
i am in chemistry rn and am learning this stuff so i hope this helps
Which phrase best describes
nuclear fusion?
the spontaneous emission of radiation from an unstable nucleus
the process by which small nuclei
combine into a
larger nucleus
the process by which a large nucleus IS divided into smaller nuclei
d
series of reactions in which particles from one reaction trigger the next reaction
Answer: A larger nucleus
Every enzyme has a different sequence(order) of amino acids, so every enzyme has a different________.
- temperature
- shape
- activation energy
- specific heat
Every enzyme has a different sequence (order) of amino acids, so every enzyme has a different shape (Option 2).
What does dictate enzyme structure?The enzyme structure depends on the linear sequence of their subunits, which are represented by amino acids. These subunits (amino acids) are linked together by peptide bonds to form the primary structure of proteins, which associates different amino acids in the chain to form structures of higher order (i.e., secondary, tertiary and quaternary structures)
Therefore, we can conclude that enzyme structure is due to the linear sequence of amino acids that are linked by peptide bonds.
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What is a sugar apple?
Answer:
Ooh! Loving all these fruit questions, Anyways this is a great fruit. Sugar Apples or Sweetsop is native to the tropical Americas but is also widely grown in Pakistan, India, and the Philippines. The fruit looks a bit like a pine cone and is about 10 cm in diameter. Under the hard, lumpy skin is the fragrant, whitish flesh of the fruit, which covers several seeds inside, and has a slight custard taste.
Explanation:
In the exponential model of population growth, the growth rate remains constant. O keeps changing. O increases and then decreases. O increases.
In exponential model of population, the growth rate remains constant regardless of population size.
What is population growth and how come the population growth in exponential form remains constant?Population growth simply means the growth of population , the growth in the amount of people holding a population.Population growth are of two types , logistic and exponential population growth .Population growth varies from the population of bacteria in culture plate, to the population of tiger to humans.Population growth can be measured by different means like population density , growth per capita.The exponential growth simply keeps constant regardless of how fast the population is growing.To know more about exponential growth visit:
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What incentives does the government
offer to business who lower their
carbon emission and use alternative
energies?
A. free waste disposal
B. tax breaks
C. free alternative energy sources
D. more land to expand to
PLEASE HELP ME!
For qualifying renewable energy technologies and projects, the federal government offers a variety of tax credits, grants, and loan programs.
How does a tax credit for energy work?An energy tax credit is a government incentive that lowers the cost of alternative energy resources for individuals and businesses. Those who meet the criteria are reimbursed when they pay their income taxes, with the credit amount either reducing the total amount owed to the IRS or being added to their refund if one is due. In 2018, 2019, 2020, and 2021, an individual may claim a credit for Congress extended the ITC in August 2022, increasing it to 30% for installations between 2022 and 2032. 10% of the cost of qualified energy efficiency improvements and the amount of the taxpayer's residential energy property expenditures paid or incurred during the taxable year (subject to a $500 overall credit limit).To learn more about energy work, refer to:
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How are damaged frontal lobes better if a younger person is injured in the frontal lobe than a 60-year-old man?
The frontal lobe damage would be greater to the 60-year-old man owing to the shrinking brain size.
What are the frontal lobes?The brain is the organ that has the sole job of attempting and actually performing the task of trying to get all the parts of the body working effectively. he brain is a sort of administrator of the body. It the follows that the brain is the sole coordinator of the body and it is rightly located at the head.
Now there are several parts of the brain that are known to play various roles in the life of an individual. In this case, we can see that we talking about the frontal lobe located around the forehead and is very much impacted by an injury.
Owing to the fact that the brain shrinks with age, the older person would suffer a much higher memory injury compared to a younger person.
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How would you ensure you have valid data?
PLS HELP ITS DOU TOMORROW!!
6TH GRADE SCIENCE
Answer:
To ensure valid data, you have to run it twice or three times and see if you get the same thing you got to before
the distance between Earth and mars is 2.25Km. When converting using the conversion factor 1 AU=1.5 x 10 power 8km, the distance between the planets is__ . the astonomical unit AU is__ a light year
The complete statement is given as "The distance between Earth and mars is 2.25Km. When converting using the conversion factor 1 AU=1.5 x 10 power 8km, the distance between the planets is 1.5 AU."
This is further explained below.
What is an astronomical unit?Generally, The astronomical unit is a measure of length that is equal to 8.3 light minutes or 150 million kilometers. It is approximately equivalent to the distance that separates the Earth and the Sun.
In conclusion, The distance from Earth to Mars is about 2.25 kilometers. Using the conversion factor that one AU is equal to 1.5 x 108 kilometers, the distance that separates the planets is calculated to be 1.5 AU.
The light-year and the AU are not interchangeable units of measurement. The distance traveled by light throughout one year is about 9.5 x 1012 kilometers.
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Whats the correct answer answer asap
Answer:
pepsin
Explanation:
This is used in the breakdown of proteins
13
Select the correct answer from each drop-down menu.
Vitamin B12 is important for the body to function. It helps keep nerve cells healthy, and it helps with the formation of red blood cells.
When someone is vitamin B12 deficient, one of the reasons could be that the person's
v is not
y the vitamin efficiently.
When someone is vitamin B12 deficient, one of the reasons could be that the person's dies does not contain proper amount of vitamin B12.
Is Vitamin B12 important?A crucial B vitamin is vitamin B12. It is essential for the health of the brain, the generation of red blood cells, and nerve tissue. Vitamin B12 can also be called as cobalamin.
When the body cannot absorb enough vitamin B12, a deficiency or an insufficiency can develop. If left untreated, this can cause a variety of symptoms, including the development of irreparable brain problems.
Like every other B vitamin, this vitamin B12 is a water-soluble vitamin. This implies that it can dissolve in liquid and circulate through the body.
Up to four years’ worth of vitamin B12 can be stored by the body, and any extra or undesired amounts can be excreted in the urine.
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