Answer:
Explanation:
Im confused.... sorry
What is the problem which fermentation is able to FIX?
Cell has a limited supply of NAD
Cell has a limited supply of oxygen
Cell has too few mitochondria
Cell has too many glucose
Answer:
Cell has a limited supply of NAD+Explanation:
Cellular respiration occurs in the cytoplasm, where glucose is broken down for energy processing. Energy is produced by aerobic respiration in the presence of oxygen, whereas anaerobic respiration can be carried out in an oxygen-deprived environment.
Fermentation is one kind of anaerobic respiration- here, the cells use glucose to generate a Net 2 molecules of ATP from the 6carbon sugar. Glucose is first converted to pyruvate, which is oxidized in a complex process. While 4 ATP are produced in fermentation, 2ATP are used in regenerating NAD+ from NADH2.
Two types of fermentation include lactic acid fermentation and alcoholic fermentation. These occur in single-celled, and multicellular microbes.
When an artery gets a constricted region due to plaque, how does the pressure in this region compare to the pressure in an unconstricted region adjacent
Answer:
Pressure increases.
Explanation:
When an artery gets a constricted region due to plaque, the pressure in this region increases as compared to the pressure in an un-constricted region where the pressure is normal because in the non-constricted region there is no narrow artery and the blood flows normally. When the artery becomes narrow due to deposition of any materials, the blood pressure increases so that's why we can say that the pressure increases in the artery in constricted region.
A constricted region in an artery will cause blood to flow with more pressure as compared to unconstricted regions.
Remember that pressure is the ratio of force and area.
Mathematically; Pressure = Force/Area.
This means that the higher the area, the lower the pressure and vice versa granted that the force remains constant.
A constriction in an artery due to plaque will reduce the area of the artery through which blood flows. Thus, the blood in this area will flow with more pressure compared to the unconstricted regions on the same artery.
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which organic functional group acts as acids? bases?
Carboxylic acid, often known as carboxyl, is a functional group that can be found in compounds like fatty acids and amino acids. This team functions as an acid. Amino acids and pentose sugars are only a couple of examples of compounds that include the functional group hydroxyl.
What structural group functions as both an acid and a base?The hydroxyl group's hydrogen atom can be released from the carboxyl group as a free proton (H+), which allows it to operate as an acid and ionise.
What organic substance functions as an acid?The most prevalent organic acids are carboxylic acids, which get their acidity from the carboxyl group in their structure, COOH. Sulfonic acids, which belong to the SO2OH group, are comparatively more potent acids. Alcohols can function as acids when they have -OH, but they are typically quite weak.
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Sandra and John have a flock of 4500 sheep, and they started to concern about the wool color after the flock has been closed for random breeding/mating for an extended period. One day, they have counted and found that 950 sheep were white, and the remainders were black. Assume that black wool is controlled by a single locus and the allele for black color is completely dominant to white. Let B represent the black allele and b represent the while allele. Assume HW equilibrium,
A) What is the observed genotypic frequency for the bb genotype?
B) What are the expected gene frequencies for B and b alleles?
C) What are the expected genotypic frequencies and counts for each of the three genotypes?
Answer:
Part A:
Frequency of bb genotype=0.2111
Part B:
Frequency of B alleles is denoted by x=0.5407
Frequency of b alleles is denoted by y=0.4593
Part C:
Frequency of BB genotype=0.2924
Frequency of bb genotype=0.2111
Frequency of Bb genotype=0.4966
Explanation:
Given:
Total Sheep= 4500
White Sheep=950
B for black allele
b for white allele
Part A:
\(Frequency\ of\ white\ sheep=\frac{White\ Sheep}{Total\ Sheep}\)
\(Frequency\ of\ white\ sheep=\frac{950}{4500}\\Frequency\ of\ white\ sheep=0.211\)
Frequency of white sheep= Frequency of bb genotype=0.2111
Further:
Let frequency of b alleles is denoted by y.
\(Frequency\ of\ white\ sheep=y^{2}= 0.211\\y=\sqrt{0.211}\\y=0.4593\)
Frequency of b alleles is 0.4593.
Part B:
Sum of the frequencies of B and b alleles is 1
Let frequency of B alleles is denoted by x
Let frequency of b alleles is denoted by y
x+y=1
y is calculated in part A and has value=0.4593
x+0.4593=1
x=1-0.4593
x=0.5407
Frequency of B alleles is denoted by x=0.5407.
Frequency of b alleles is denoted by y=0.4593.
Part C:
Three genotypes are BB, Bb, bb
In case of three genotypes frequency is:
\(F=x^2+2xy+y^2\)
Now \(x^2\\\) is for BB genotypes
From Part B;
x=0.5407
\(x^2=(0.5407)^2\\x^2=0.2924\)(Frequency of BB genotype)
Now \(y^2\\\) is for bb genotypes
From Part A:
y=0.4593
\(y^2=(0.4593)^2\\y^2=0.211\) (Frequency of bb genotype)
From above frequency Formula:
Now \(2xy\) is for Bb genotype:
2*x*y=2*0.5407*0.4593
2*x*y=2*0.2483=0.4966 (Frequency of Bb genotype)
In melosis, the homologous chromosomes are side by side. Are they side by side in mitosis?
Why Wildfires Have Gotten Worse and What We Can Do About It
1. What qualifies as a “megafire”?
2. What are some ways the forests of 100 or 150 years ago differ from forests of today? In 4-5 sentences, describe what the old forests were like.
3. In what ways do the landscapes of current forests contribute to the risks of megafires?
4. How does climate change contribute to the risk of fires?
5. How can people work to prevent more megafires from happening?
Megafires burn at least 100,000 acres of land, forests of 100 or 150 years ago differ from todays forests as they had fewer trees per acre, and these trees were typically larger and farther apart, the risks of megafires is the buildup of fuels on the ground, due to a century of fire suppression policies, Warmer temperatures and longer droughts will contribute to the risk of fires, and people can take several steps. One key approach is to manage forests more actively, through thinning.
"Megafires" are wildfires that burn at least 100,000 acres of land.
The forests of 100 or 150 years ago differed from forests of today in several ways. For one, they had fewer trees per acre, and these trees were typically larger and farther apart. Additionally, they had more natural diversity, with a mix of species and ages, and were less prone to disease and insect infestations due to this diversity.
The landscapes of current forests contribute to the risks of megafires in several ways. One major factor is the buildup of fuels on the ground, due to a century of fire suppression policies. Additionally, many forests are now dominated by a single species, which can make them more vulnerable to disease and insect infestations.
Climate change contributes to the risk of fires in several ways. Warmer temperatures and longer droughts have led to drier vegetation, which is more prone to ignition.
To prevent more megafires from happening, people can take several steps. One key approach is to manage forests more actively, through thinning, prescribed burns, and other methods. This can reduce the buildup of fuels on the ground and promote healthier, more diverse forests.
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Qualities of a good fertilizer
1) Easily spread which will ensure in even distribution patterns
2)Capatible in particle size whether it's smooth or hard particles
3)Free from additives and contaminants
4)Can be easily applied
EXPLAINATION;
Increases yield and ensures the right amount of nutrients the plant needs
Explain the effect of a country with a transitional economy on the globalization process.
1. It furthers the presence of mixed economic systems across the world.
2. It furthers the globalization process of the global economy and accelerates global interdependence.
3. It furthers the globalization process of the global economy but decelerates global interdependence.
4. It leads to more countries with command economies and negatively impacts the transition towards globalization.
SOME ONE HELP PLEASE!!
The effect of a country with a transitional economy on the globalization process is to further the globalization process of the global economy and accelerate global interdependence.
What is transitional economy?A transitional economy denotes an economic system undergoing a metamorphosis from a centrally controlled economy to a market-oriented one. This undertaking can be arduous and intricate, demanding considerable time for the economy to complete the full transition.
Nevertheless, the advantages of embracing a market economy can be noteworthy, encompassing amplified economic expansion, enhanced effectiveness, and heightened ingenuity.
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Will give 50 points to whoever can answer.
Show the correct order for impulse transmission after you touch cold glass of water
Answer:
answers: 3rd, then 2nd then 4th then 1st. 3rd goes in first, 2nd in 2, 4th in 3rd, 1st in last
how does symbiotic relations predation and competition affect the balance of the ecosystem
Answer:
Its all about what enviornment your in.
Hope this helps
Ribulose-1,5-bisphosphate carboxylase/oxylase is an enzyme commonly referred to by its abbreviation_______which is involved in the first step in the______ Cycle knows as______ fixation.
Ribulose-1,5-bisphosphate carboxylase/oxylase is commonly referred to by its abbreviation RuBisCO, which is involved in the first step in the Calvin Cycle, also known as carbon fixation.
Significance of Rubicos enzymeRubisco (Ribulose-1,5-bisphosphate carboxylase/oxygenase) is the most abundant enzyme on Earth and plays a critical role in the process of carbon fixation, converting atmospheric carbon dioxide into organic molecules.
This process is the foundation of the food chain and is critical for the survival of plants, animals, and ultimately, humans.
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3.
Which describes an animal cell?
O It has a cell membrane but no cell wall.
It has both a cell membrane and a cell wall.
It has neither a cell membrane nor a cell wall.
It has a cell wall but no cell membrane.
Answer:
A. It has a cell membrane but no cell wall.
Explanation:
Animal cells has a cell membrane but not cell wall because they do not require cell wall like plant cells.
In plant cells, cell walls are responsible for providing a rigid cell shape and it allows plants to stand upright without the need of bones while animals have bones that provide them a rigid shape and hence do not require cell wall in cells.
Hence, the correct option is A.
Categorize these pieces of evidence as either observation you could directly observe or as evidence that would require you to rely more n the observation of other such as scientist or information in textbook type the number of each piece of evidence (1-12) in the appropriate column of the table
In order to categorize the pieces of evidence as either direct observations or evidence requiring reliance on scientists or information in textbooks, we need to examine each piece individually. The table below will display the categorization of the evidence, assigning numbers 1-12 to each piece.
1. Review each piece of evidence.
2. Determine if the evidence can be directly observed or if it requires reliance on scientists or information in textbooks.
3. Assign the numbers 1-12 to each piece of evidence in the appropriate column of the table.
4. For evidence that can be directly observed, mark it under the "Direct Observation" column.
5. For evidence that requires reliance on scientists or information in textbooks, mark it under the "Reliance on Scientists/Textbooks" column.
6. Repeat this process for all 12 pieces of evidence.
7. Ensure that each piece of evidence is accurately categorized in the table.
8. Double-check the categorization to ensure accuracy.
9. Verify that all pieces of evidence have been accounted for in the table.
10. Review the table and confirm the final categorization of each piece of evidence.
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1. How is DNA like a blueprint or recipe? (1 pt)
2. Describe the structure of DNA and how it works. (3 pts)
3. Summarize the process of DNA replication. (3 pts)
4. Briefly, differentiate between DNA and RNA. (3 pts)
Answer:
1. =set of instructions called DNA makes a “recipe” for traits in all organisms. Information in a DNA strand is grouped into small segments. Each segment is made of even smaller units (like recipes are made of words, and words are made of letters). Differences in the DNA “alphabet” are what make differences in traits (just like a different sequence of letters makes different words, and a different recipe
2.DNA is the information molecule. It stores instructions for making other large molecules, called proteins. These instructions are stored inside each of your cells, distributed among 46 long structures called chromosomes. These chromosomes are made up of thousands of shorter segments of DNA, called genes.
3.Initiation: It involves the recognition of the position on a DNA molecule where replication will begin.
Elongation: It concerns the events occurring at the replication fork, where the parent nucleotide are copied.
Termination: It occurs when the parent molecule has been completely replicate.
4.There are several differences that separate DNA from RNA. These include the two molecules’ functions, their structure, their average length, the sugar (DNA contains deoxyribose and RNA contains ribose) and base molecules (RNA contains uracil rather than thymine) they contain, their location and their reactivity to enzymes and ultraviolet light.
Explanation:
if this is correct please mark me as brainliest
6. Cite a place in the world where population growth is NOT a problem today. How is it a problem?
Answer: Massively fertile coastal plain that can support plenty of people. Total agricultural land in the EU is 137 million hectares, while China's is 520 million hectares. And it is a problem because of too much population in one land using up all the resources.
Which is necessary for a plant to convert the energy of the sun into energy it can
use? *
calcium chloride
O chlorophyll
O glucose
oxygen
Answer: oxygen
Explanation:it is needed to convert energy.
What is the first way in which biology researchers present the results of their research
Answer:
scientific journals
Explanation:
The first way by which the biology researchers present the result of their latest research is through an article published in the scientific journals. Scientific journals is a periodical publication, which helps to report the progress of science by reporting new research.
The excessive and unbalance use of pesticides is one of the prominent environmental issue since last few years in Nepal. Mention any three consequences of over use of pesticides in your locality and suggest awareness campaign that you have follow in two points. [3+2]
The excessive and unbalanced use of pesticides is a prominent environmental issue in Nepal that can have several negative consequences. Here are three consequences of overusing pesticides in a locality:
1. Harm to human health: Overuse of pesticides can lead to health problems such as skin irritation, respiratory issues, and even cancer. Farmers and their families who handle these chemicals regularly are especially at risk.
2. Soil and water contamination: Pesticides can seep into the soil and water, polluting them and making them hazardous for human and animal use. This can lead to long-term damage to the environment and make it difficult to grow crops in the future.
3. Harm to biodiversity: Pesticides can kill off beneficial insects and pollinators, which are important for maintaining a healthy ecosystem. This can lead to a decrease in biodiversity and harm to the overall health of the ecosystem.
To raise awareness about the negative impacts of pesticide overuse in a locality, an awareness campaign could be organized, which could include:
1. Educating farmers about the risks associated with excessive pesticide use and the benefits of using alternative methods such as integrated pest management.
2. Organizing workshops and training sessions for farmers on how to use pesticides safely, including proper handling and disposal of these chemicals.
Overall, raising awareness about the dangers of overusing pesticides and promoting safe and sustainable agricultural practices can help mitigate the negative impacts of pesticide overuse in a locality.
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Underwater plants have thin and narrow leaves without stomata. In such plants, how does exchange of gases take place ?
The elements least likely to form bonds are found in which group?
Answer:
Noble gases
Explanation:
Noble steam, any of the seven chemical elements that make up the periodic table in group 18.
Within normal conditions, noble gases are colorless, odorless, tasteless, and nonflammable gases. The noble gases are grouped according to their boiling point in the periodic table. Noble gases, from incandescent lamps to excimer lasers, are commonly used in distinct areas.
Answer:
its B: 16
Explanation:
In the testes, sperm cells replicate and differentiate in the _________. Question 2 options: urethra septum tunica albuginea seminiferous tubules ductus deferens
Answer:
seminiferous tubules
Explanation:
Seminiferous tubules are coiled tubes where sperm cells are produced by a process referred to as spermatogenesis. These tubes are located in the testes or testicles (i.e., male reproductive glands/gonads). Each testicle contains approximately 250 compartments known as testicular lobules, while each testicular lobule has 1 to 4 seminiferous tubules which converge to form a single straight tubule. Once sperm cells mature, they travel through the seminiferous tubules to be stored in a coiled tube called the epididymis.
Please assist with following question Complete the table below, showing the differences between mitosis and meiosis.
Cell division
In both mitosis and meiosis, the process starts with one cell, with the difference that in mitosis (somatic cells division) there are two cells at the end of the division, and in meiosis (germline cells division), there are four cells at the end.
Problem B: Diabetes is a disease affecting the insulin producing glands of the pancreas. If there is not enough insulin being produced by these cells, the amount of glucose in the blood will remain high.
Diabetes is a disease that occurs when the pancreas doesn't produce enough insulin, resulting in high blood glucose levels.
Diabetes is a medical condition that impacts the insulin-producing glands of the pancreas. The pancreas plays a crucial role in regulating blood glucose levels by producing insulin. Insulin allows glucose to enter cells, providing them with energy. In diabetes, insufficient insulin production leads to elevated levels of glucose in the bloodstream, a condition known as hyperglycemia.Without enough insulin, glucose cannot be effectively transported into cells, resulting in its accumulation in the bloodstream. This leads to persistent high blood glucose levels, which can have various detrimental effects on the body over time. Complications of uncontrolled diabetes may include damage to blood vessels, nerves, and organs.Managing diabetes typically involves interventions like insulin therapy, medication, dietary adjustments, and lifestyle modifications to regulate blood glucose levels and minimize associated complications. Regular monitoring and appropriate management are crucial to maintaining optimal blood glucose control and overall well-being for individuals with diabetes.For more such questions on Diabetes:
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Chemical changes result in a new substance, but keep in mind that no new atoms are created. Existing atoms rearrange as chemical bonds break and new bonds form. That’s what creates the new substance. For instance, rust on your bike can form after it rains. It forms from atoms in the rainwater, the steel of your bike and oxygen in the air. No new atoms are created that weren’t present before the change.
In the passage above, what is the purpose of the underlined sentence?
A
to give an example of how steel can physically change
B
to support the statement that no new atoms are created in a chemical change
C
to support the statement that rain can damage many materials
D
to give an example of how the weather can affect a person’s belongings
Answer:
B
to support the statement that no new atoms are created in a chemical change
Zygomorphic floral diagram
Answer:
(C) Zygomorphic (monosymmetric) flower, with one plane of symmetry (i ), modelled on a typical orchid flower. ... L, labellum. (D) Asymmetric flower, lacking any planes of symmetry.
G
What are the predicted consequences of legislation for global warming
on industry?
The predicted consequences of legislation for global warming on industry were positive effects on the industry as a whole.
What was the legislation for global warming?Several legislations such as the Environment Protection Act,1986,Water Act, 1974 and several other laws were made to reduce and control the disastrous effects of the climatic changes on the environment and also focus on the environmental protection.
It has been predicted that the legislation for global warming will actually have positive effects on the industries. New jobs will be created through the introduction of the new technology and processes and the businesses which should save money through the pollution which is reducing the practices and technology which lead to global warming.
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what is the interference if: distance between a and b is 10mu distance between b and c is 15mu observed double crossover rate is: 0.25%
The interference if: distance between a and b is 10mu distance between b and c is 15mu observed double crossover rate is:
[0.0025 - (150 / (AC + 25))] ÷ [1 - (150 / (AC + 25))
= 0.25%
The crossover rate is the rate of return (also called the weighted average cost of capital) at which the net present values (NPV) of the two projects are equal. It represents the rate of return at which the NPV profile of one project intersects with the NPV profile of another project.
In the capital budgeting analysis exercise, crossover rates are used to show when one investment project becomes better than another due to changes in the rate of return (cost of capital).
Now,
The interference can be determined using the following formula:
interference = (observed double crossover rate - expected double crossover rate) ÷ (1 - expected double crossover rate).
The expected double crossover rate can be calculated using the formula:
expected double crossover rate = (distance AB × distance BC) ÷ total distance (AB + BC + AC).
Given:
Distance between A and B is 10mu;
Distance between B and C is 15mu;
Observed double crossover rate is 0.25%.
Therefore,
Distance AB = 10mu;
Distance BC = 15mu;
Total distance = AB + BC + AC
Expected double crossover rate = (10 × 15) ÷ (10 + 15 + AC)
expected double crossover rate = 150 ÷ (AC + 25)
The observed double crossover rate is 0.25%.
Therefore, the observed double crossover rate = 0.25% = 0.0025.
Interference = (observed double crossover rate - expected double crossover rate) ÷ (1 - expected double crossover rate)=
[0.0025 - (150 / (AC + 25))] ÷ [1 - (150 / (AC + 25))
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When energy changes form, some energy is?
Answer:
the total amount of energy remains constant.
Explanation:
It can only be transformed from one form to another. Whenever energy changes from one form to another, the total amount of energy remains constant.
I need help with this practice Respond in your own original words as I would much rather you explain/clarify this. But if you use someone else’s words, please reword it so it is more like your own•Personally, at present time, do you think we’re taking appropriate action to combat the effects of global warming? < your response can be short•Then explain how we can take action to combat the effects of global warming sufficiently
1. Regarding the actions that are being implemented to combat global warming we can say that we are in a critical point when we need to take a more solid immediat actions.
Even though around the world countries are agreeing to implement certain actions to reduce the emission of greenhouse gases (an example of this is the Paris Agreement in 2015), not all of them are being able to actually meet the goals that were set.
Experts say that it is highly important that by 2050 we get the greenhouse gases emissions to zero. This is a huge challenge but what is important is that people around the globe are starting to be more concerned about this topic and are starting to take small but very important actions.
2. Some of the actions that we can take to combat gobal warming are:
• Encourage family and friends to reduce their carbon pollution (social media will play an important role in this aspect).
• Choose means of transport that produce less greenhouse gas emissions (like public transport or bicycles).
• Reduce the power consumption and choose renewable sources of energy.
• Choose a plant-based diet and don't waste food.
• Choose to shop local.
• Plant trees.
• Reduce the use od plastic.
A jet flies over the ocean. A sound wave travels from the jet to the surface of the ocean. Almost none of the energy from the sound passes into the water. The diagram below illustrates the path of the sound wave.
Which of the following statements about this scenario is true?
A.
The sound wave's direction, speed, and wavelength change.
B.
The sound wave's direction and wavelength change, but its speed remains the same.
C.
The sound wave's direction changes, but its speed and wavelength remain the same.
D.
The sound wave's direction and speed change, but its wavelength remains the same.
Answer:
D
Explanation:
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