Answers
A stimulus that's enhanced by the organism's response creates a - A. positive feedback loop.
Positive feedback loopThe response to a stimulus can be positive, negative, or ignored as not important.A positive reaction is that the being wants more or is attracted to the stimulus.A positive feedback loop occurs in nature when the product of a reaction leads to an increase in that reactionThus, A stimulus that's enhanced by the organism's response creates a - A. positive feedback loop.
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Related Questions
Transplration is the process by which _______.
plants add water to the atmosphere
animals break down food into energy
plants break down food into energy
plants make food. Please answer fast
Answers
Answer:
plants add water to the atmosphere
Explanation:
transpiration is the loss of water from the plants in the form of water vapors ... so that way...
Answer:
Plants add water to the atmosphere
Explanation:
Water is given out as vapour into the air
Describe the physiology of bones
Answers
Answer:
Bone serves three main physiological functions. … At the cellular level, bone matrix formation and mineralization are mediated by osteoblasts and bone resorption is mediated by osteoclasts, while at the molecular level, a range of systemic and local factors regulate cellular and tissue level processes in bone.
Explanation:
In what ways might a scientist communicate with the wider community in a scientific inquiry
Answers
Using things such as the internet. For example, if a scientist wanted feedback, he could turn to an org of other scientists across the globe and get their help.
Answer:
Explanation:
Scientists often communicate their research results in three general ways. One is to publish their results in peer-reviewed journals that can be ready by other scientists. Two is to present their results at national and international conferences where other scientists can listen to presentations
What is this people
Answers
Answer:
genetic code and rna codon
Explanation:
G: guanine
U: uracil
A: adenine
C: cytosine
The functions of what cell structure are described in this list? A.) the plasma membrane B.) a lysosome C.) a mitochondrion D.) the endoplasmic reticulum
Answers
A) the plasma membrane
Answer:
plasma membrane
A postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. It has three presynaptic inputs-from neurons X, Y, and Z. Stimulation of
neuron X causes the postsynaptic neuron to depolarize by 0.5 mV. When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by
1 mV, If X fires 10 times and Y fires 10 times the result will be …
Multiple Choice
a subthreshold summation.
presynaptic inhibition.
threshold is reached and an AP is fired.
many APs are fired.
the membrane depolarizes.
Answers
When X fires 10 times and Y fires 10 times, the result will be a subthreshold summation.
Subthreshold summation happens when two or more presynaptic inputs that are sub-threshold (i.e., they cannot create an action potential) combine their effects on the postsynaptic neuron.
Here, the postsynaptic neuron has an RMP of -70mV and a typical threshold of -55mV. When neuron X is stimulated, it depolarizes by 0.5 mV.
When X and Y are stimulated simultaneously, the postsynaptic neuron depolarizes by 1 mV, which is sub-threshold (below -55mV).
Therefore, when X fires 10 times and Y fires 10 times, the postsynaptic neuron will experience subthreshold summation and no action potential will be fired.
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For this discussion, you will dive into the concept of Sustainable Development. In your initial post, you will be creating your own definition of sustainable development. Think about what it means to be sustainable and what makes up a sustainable environment. Please read about sustainable development on at least two different websites and include the references with your definition. Your definition should be at least a ½ page in length, no longer than one full page.
The challenge is to have both economic development and environmental protection. Can this be accomplished? Sustainable development incorporates both of these goals. Sustainable development applies to many sectors including urban planning, agriculture, forestry, and consumer behavior. The problem is to clearly define sustainable development; the concept may be clear, but the details are fuzzy. Some definitions to help in your creation and guide your research follow below:
"Sustainable development is development that meets the needs of the present without compromising the needs of future generations to meet their own need." Bruntland Commission, 1987
"The concept of sustainable development does imply limits? Not absolute limits but limitations imposed by the present state of technology and social organization on environmental resources and by the ability of the biosphere to absorb the effects of human activities. But, technology and social organization can be both managed and improved to make way for a new era of economic growth." United Nations, 1987.
"Increasingly, definitions of sustainable development stress that development must be participatory and must involve local peoples in decisions that affect their lives." World Resources Institute, USA, 1992
Sustainable development can apply to many scales of analysis; for example, we can employ sustainable development principles in local areas (site plan review, for example, increasing setbacks on water features), regions (by analyzing watersheds and air sheds), political unit (environmental policies), and the global scale (international agreements and treaties).
You can include green buildings and alternative energy in your definition.
Answers
Sustainable development is a multifaceted concept that seeks to achieve a harmonious balance between economic development and environmental protection, ensuring the well-being of present and future generations.
It entails meeting the needs of the present without compromising the ability of future generations to meet their own needs. This definition, proposed by the Bruntland Commission in 1987, encapsulates the fundamental principle of sustainable development.
At its core, sustainable development acknowledges the interconnectedness of economic, social, and environmental dimensions. It recognizes that economic growth must be pursued within the context of ecological limits and social equity.
In the pursuit of sustainable development, various sectors and scales of analysis come into play. This includes areas such as urban planning, agriculture, forestry, and consumer behavior.
Green buildings and alternative energy are integral components that contribute to sustainable development by reducing resource consumption, minimizing pollution, and promoting energy efficiency.
In conclusion, sustainable development represents a comprehensive approach that seeks to balance economic progress with environmental protection and social well-being. It involves meeting present needs while safeguarding the ability of future generations to meet their own needs.
By incorporating green buildings, alternative energy, participatory decision-making, and a multi-scale perspective, sustainable development provides a framework for creating a prosperous and sustainable future.
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Which country might
have an age-structure
pyramid (showing
declining growth) that
looks similar to the
one shown?
Answers
The correct option A. Italy, may have a pyramidal age model similar to that depicted in the figure (with diminishing growth).
Explain the term age-structure pyramid?Population pyramid: a visual representation of a population's age and sex distribution.
The final shape of such a population pyramid is determined by the age and sex composition of the population; as a result, the representation may resemble a pyramid, be columnar, or have an erratic profile.Additional aspects of a population, including marital status, ethnicity, or geography, can be represented by the population pyramid. In this instance, more categories are represented by further subdividing the bars for each age-sex group.A broad-based pyramid shows that younger age groups make up a disproportionately big fraction of the population.Whereas one with a narrow or pointed top shows that older age groups make up a disproportionately small portion of the population.Thus, Italy, may have a pyramidal age model similar to that depicted in the figure (with diminishing growth).
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PLEASE HELP!!!!!!!!!!
Answers
Answer:
More individuals are produced each generation that can survive. Phenotypic variation exists among individuals and the variation is heritable. Those individuals with heritable traits better suited to the environment will survive.
Are all physical characteristics passed down from generation to generation needed for the survival of species?
Answers
Which of the following symptoms is absent in “the depletion syndrome of the elderly”?
feeling worthless
losing interest in things
physical symptoms
self-blame
Answers
Answer:
self-blame i think if i am wrong pls tell me
Gardens can grow in nontraditional spaces and in nontraditional ways. Provide one piece of evidence from
each of two different sources and explain how each example supports the claim that gardens can grow in
nontraditional spaces and unusual ways. Identify the source of each piece of evidence by title or number.
Answers
Small Space gardens tend to be more concentrated in nature, although this doesn't constantly indicate more time spent gardening.
What sorts of gardens are that might be grown?You have a selection of gardening types to pick from. Vegetable gardens, ornamental plants, fruit trees, and culinary herbs are a few of them. Depending upon your desires, gardens can all be established or indoors exterior. You can now get started with all these easy steps if you want you start growing at home.
What distinguishes an ordinary garden from a traditional garden?Formal gardens have beautifully manicured bushes, topiaries, other bedding plants, generally organized in a formal agreement. Informal gardens offer a mix of plants, includes wildflowers, native plants, & shrubs, generally organised in a more realistic style.
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The pedigrees below show the inheritance of three separate, rare autosomal conditions in different families. For each pedigree, decide if the condition is better explained as recessive or dominant.
Drag the correct label to the appropriate location. Labels can be used once, more than once, or not at all.
autosomal dominant reaction, autosomal dominant reaction, autosomal recessive.
Answers
Autosomal dominant, autosomal dominant, and autosomal recessive reactions are all possible.
There is a 1/3 possibility that individual II-3 does not have the recessive gene and a 2/3 likelihood that this individual is a carriers because this individual is not displaying the recessive characteristic. Using pedigrees, one may determine how a given trait is passed down through a family. A trait's existence or absence as it pertains to the link between parents, children, and siblings may be seen in pedigrees. Men who are afflicted have the recessive gene, whereas males who are not affected have had the dominant (wild-type) allele. -Heterozygous females have impacted sons but are unaffected (carriers). Both parents pass on autosomal recessive features to their offspring.
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Fill in the blanks to accurately describe the process by which water is transported from
the ground to the branches and leaves of a tree.
1. Trees take up water from their roots. Water must travel against
(Click to select) up to all of the branches and leaves.
2. As water (Click to select) the pores of the leaves, more water is pulled up
from below resulting in a constant supply of water moving up through the
vessels of a plant.
3. The (Click to select) of water molecules, resulting from the (Click to select)
bonds between water molecules, causes a movement of the water through
the plant's vessels, as it moves up from the roots.
Answers
Transpiration is the process by which water is transported from the ground to the branches and leaves of a tree.
What is transpiration?Transpiration is the process of water evaporation through specialized openings in the leaves which is called stomata. The evaporation creates a negative water vapor pressure that develops in the surrounding cells of the leaf which leads to the movement of water from the ground to the branches and leaves of a tree.
Water must travel against gravity up to all of the branches and leaves. As water leaves the pores of the leaves, more water is pulled up from below resulting in a constant supply of water moving up through the vessels of a plant. The movement of water molecules, resulting from the intercellular bonds between water molecules.
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Advise fellow learners on how to effectively practice the following to ensure the achievement of their goals
Answers
Answer:
Explanation:
asdfasdf
Keep pushing yourself to improve, and don't be afraid to make mistakes or try new approaches. With dedication and perseverance, you can achieve your goals.
What is goal?Goals refer to the specific targets or objectives that a person or organization aims to achieve within a set period of time.
Follow these steps to effectively practice and achieve your goals:
Set specific and attainable goals: Determine what you want to achieve and set specific and measurable goals to help you get there. Make certain that your objectives are both attainable and realistic.
Make a plan: Create a plan that outlines the steps you must take to achieve your objectives. Break your plan down into smaller, more manageable tasks that you can complete.
Schedule your practice sessions as follows: Schedule regular practice sessions and make them a priority in your schedule. Consistency is essential for achieving your objectives.
Prioritize quality over quantity: It is preferable to practice for a shorter period of time with a high level of focus and intensity than to practice for a longer period of time with no focus or purpose.
Thus, these are some steps to effectively practice the following to ensure the achievement of their goals.
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3.3. A woody tree was planted in 2010 and allowed to grow for seven years. When the tree was cut down, the width of the early and late wood in each annual (year) ring was measured to determine the secondary growth. Study the data in the table below and answer the questions that follow. Width of Time wood (mm) Early wood Late wood Annual ring 2010 2011 2012 2013 2014 2015 2016 3,5 6,0 4,5 13,0 6,0 8.5 7,0 3,0 4,5 1,5 8,5 3,0 4,0 3,5 6,5 10,5 6,0 21,5 9,0 12,5 10,5 3.3.1. Calculate the average annual secondary growth for the period 2010 to 2016.
Answers
The yearly rate of secondary growth for the years 2010 to 2016 was around 6.36 millimetres on average.
The widths of the late wood for each year need to be summed together and then divided by the number of years in order to arrive at an accurate estimate of the average yearly secondary growth for the period of 2010 to 2016. The calculation is as follows:
Late wood widths: 4.5 + 1.5 + 8.5 + 4.0 + 6.5 + 9.0 + 10.5 = 44.5 mm
Calculating the number of years: 2016 minus 2010 plus 1 equals 7 years
Average yearly secondary growth is calculated as follows: 44.5 mm divided by 7 years is 6.36 mm per year (this value has been rounded to two decimal places).
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which two statements correctly relate RNA amino acids , and proteins
Answers
The two correct statements that relate RNA, amino acids, and proteins are C and D.
RNA, Amino acids, and ProteinsRNA is used to build the amino acid sequence: RNA molecules, specifically messenger RNA (mRNA), serve as templates for protein synthesis. During a process called translation, the sequence of nucleotides in mRNA is read by ribosomes, and the corresponding amino acids are assembled in a specific order to form a protein.
Long amino acid sequences fold in a specific way to form proteins: Proteins are composed of long chains of amino acids. After the amino acids are synthesized and linked together, the resulting chain folds into a three-dimensional structure, which is critical for the protein's function. This folding process is driven by various interactions between the amino acid residues in the chain, allowing the protein to adopt its specific shape and perform its specific function.
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SOMEONE PLEASE HELP ME!!!!! In 1772, Joseph Priestley ran experiments with a candle, a bell jar, and healthy leaves plucked from a mint plant. He ran the two experiments summarized below:
These experiments inspired another scientist, Jan Ingenhousz, to run related experiments. Ingenhousz added an additional variable-he ran the experiments in the presence and absence of light. His results are summarized below:
1.) Explain why the mint leaves sustained the candle flame in Priestley's experiment.
2.) explain what Ingenhouz's demonstrated about the interdependence of energy producing processing and living organisms.
Answers
Answer:
1) The mint leaves were able to sustain the candle flame because of plants ability to produce oxygen.
2) Ingenhousz demonstrated how a plant recycles energy through processes. In the dark, the plant cannot sustain a flame because it is only releasing carbon dioxide due to the lack of sunlight. But in the light the plant can overcompensate for it's carbon dioxide release with photosynthesis and produce oxygen for the flame therefore demonstrating the interdependence of energy producing processing in a living organism.
Explanation:
Of the facts listed below, which surprised you the most. Why?
1. Dishwashers use ½ the energy and ⅓rd of the water as hand washing.
2. 2/3rds of the food tossed out at home could have been eaten if it had been stored properly.
3. In the last 15 years, clothing production has approximately doubled.
Answers
Answer:
"2/3rds of the food tossed out at home could have been eaten if it had been stored properly."
Explanation:
This fact is surprising because it highlights how much food waste could be avoided if people were more mindful about how they store their food. It is estimated that one-third of all food produced is wasted, which has significant environmental and economic consequences. By reducing food waste, we can reduce greenhouse gas emissions, conserve resources, and save money.
Moreover, this fact also underlines the importance of education and awareness-raising initiatives to promote proper food storage and reduce food waste. Simple actions such as using airtight containers, refrigerating leftovers promptly, and checking expiration dates can go a long way in preventing food waste.
Hope this helps!
N2 is the chemical formula
for what compound?
A. Ammonium
B. Nitrogen gas
C. Nitrite acid
Answers
Answer:
B. Nitrogen gas
Explanation:
Small cells have a high surface-
area-to-volume ratio. New cells
are smaller than old cells. What
can we say about the surface-area-
Small surface Large surface to-volume ratio of new cells?
area to volume area to volume
ratio
ratio
The surface-area-to-volume ratio of new cells is larger
than that of old cells.
We need more information to make a statement about
the surface-area-to-volume ratio of new cells.
Answers
Answer:
surface area of a rectangular
Explanation:
so much fun last night and I was very good app
4.
A large investment company has used the money that its clients entrusted them with to buy risky stock instead of the bonds that it promised. Unfortunately, the stock they invested in lost money. During the shareholders meeting, the company provides statements showing a modest gain on bonds. What kind of crime is this company committing?
false advertising
fraud
price fixing
restraint of trade
Answers
A kind of crime that the company commits is fraud.
What do you mean by Crime?Crime may be defined as an unlawful act for which someone can be punished by the government, authority, institute, or any other domestic place.
False advertising is something that provides untrue information to you to buy something. Price fixing is a condition in which all the competitors perform an agreement to fix the price of any goods or services under all conditions.
Therefore, a kind of crime that the company commits is fraud.
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Answer: b- Fraud
Explanation:
In humans, the presence of freckles (F) is dominant to the absence of freckles (f).
Two heterozygous individuals mate.
What are the genotypes of the two individuals?
What is the probability of them having a child with freckles?.
Answers
Since the two individuals are heterozygous, the genotypes they will have for freckles will be Ff for each. The probability of having a child with freckles will be 75%.
Heterozygous refers to the presence of two different forms of the allele for a trait. These two different alleles are actually the contrasting forms of a gene. For example, the trait height can have two contrasting alleles one for tall and one for dwarf.
Genotype refers to the genetic make-up or constitution of an organism. This genetic constitution can be for the entire genome or for any particular trait. The genotype also provides insight about the allelic combinations.
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In certain mice, long tails (T) are dominant over short tails (t). If 2 hybrid mice mate, what will the outcome be?
Answers
Answer:
3 long tails : 1 short tail
Explanation:
This question involves a single gene coding for tail length in mice. The allele for long tail (T) is dominant over the allele for short tail (t). This means that an heterozygous mice will possess the long tail length.
According to this question, in a cross between two hybrid or heterozygote mice i.e. Tt × Tt, the following gametes will be produced by each parent:
Tt - T and t
Using these gametes in a punnet square (see attached image), the following will be produced: TT, Tt, Tt and tt.
Offsprings with genotype TT, Tt and Tt will have a LONG TAIL while genotype tt will have a SHORT TAIL. Hence, the phenotypic ratio will be 3 long tails : 1 short tail.
Which base does Cytosine pair with?
A. Adenine
B. Guanine
C. Uracil
D. Thymine
Answers
Cytosine, a nitrogenous base found in DNA and RNA, pairs with guanine. The correct answer is option B.
This pairing is based on the complementary base pairing rule in which cytosine forms three hydrogen bonds with guanine. The other base pairs in DNA are adenine with thymine, and in RNA, adenine pairs with uracil. The complementary base pairing is crucial for DNA replication and transcription processes. Cytosine and guanine, along with adenine and thymine/uracil, form the base pairs that make up the rungs of the DNA double helix structure.Understanding base pairing is fundamental to understanding the structure and function of nucleic acids. Therefore, the correct answer is option B.For more questions on DNA
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Cytosine pairs with Guanine.
Explanation:The base Cytosine pairs with the base Guanine in DNA. This base pairing is a key component of the double-stranded DNA structure.
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Which statements accurately describe the characteristics of the cell membrane?
Answers
Answer:
If this is the question on edge2020 the correct answers are:
-The cell membrane’s protein channels only let certain molecules pass through.
-The cell membrane has protein channels that are partly inside and partly outside the cell.
- The cell membrane is a double layer of phosphate molecules and lipids.
Explanation:
I HOPE THIS HELPS!!
pls help mee which1 huryy also
Answers
Explanation:
the answer is 3rd one
The most recent peak in extinction rate affected the largest number of groups
URGENT WILL GIVE BRAINLINESS
Choose one of the following scenarios and answer the questions provided. Support your answers using scientific reasoning and discussing possible impacts to individuals, society, and the environment. Be sure to also discuss any medical or ethical issues that may apply. (10 points)
Scenario 1:
Genetic engineering can be used to create more productive strains of farm animals. By adding genes to an animal's DNA, the animal can be made to produce milk or meat containing vital nutrients that would not be found naturally in those products. This provides a greater amount of nutrients per serving of milk or meat.
Do you think that this type of genetic engineering should be pursued? Explain your answer. (5 points)
What are some possible impacts (positive and negative) of this type of genetic engineering on individuals, society, and the environment? (5 points)
Scenario 2:
In the future, doctors may be able to evaluate your DNA to check for genetic markers related to specific medical conditions or harmful reactions to medications. Your personalized genetic profile could be kept on record and referred to in order to develop personal medical treatment based on your unique DNA sequencing. Scientists have found that just small variations in a specific section of your DNA can help determine how well some medications can work for you or if they would be beneficial at all.
Would you want to have your DNA profile kept in your medical record as a reference for your doctors? Explain your answer. (2 points)
What are potential pros and cons of having such tests done and referring to DNA sequences when determining a patient's medical treatment? (5 points)
Describe how the availability of this technology might affect the frequency of genetic diseases in individuals and populations. (3 points)
Answers
Question 1:
I would want to have my DNA profile kept in a medical record for doctors to see, because if anything ever happens to me, and they need a reading of my DNA they have it available.
Question 2:
There are definitely pros and cons for having tests done and referring to DNA sequences when trying to refer to a patient's medical treatment. A pro would be that doing this it gives a lot of information about your DNA, and it provides helpful information so if doctors ever needed to perform treatment, that would be a good source for them to go too. A con would be if you ever have a treatment done, and scientists refer to your DNA sequence and proscribe medicine, they won't know how you will react to the medicine, and if it will work.
Question 3:
Having this technology now will definitely help us pin-point any genetic diseases in individuals, because of the copies of their DNA.
Answer:
i tried my best (so many questions on scenario 2)
Explanation:
scenario 1: there are many positive and negative possible impacts that come with genetic engineering. A very negative outcome could come from just one mistake. But if there was a way to ensure that nothing could go wrong than the outcome would be an healthy new meat or milk that's packed with nutrients.
scenario 2: I think if this was a real thing i would be completely for it. If a person was to get their DNA checked then doctors would be able to prescribe a medication that would fit you. this could also prevent any allergic reactions to and medications or treatments.
I personally would want my DNA profile kept on record so that i can be treated with the right medications for me.
(The potential list pros and cons would probally look like this)
PROS
Makes for better treatmentCan show genetic markers related to specific medical conditions or harmful reactions to medications.can help determine how well some medications can work for you or if they would be beneficial at all.CONS
DNA screening may not show all conditionspatient may not be able to get treated if their condition is unknownSomething could go wrong during the screening a wrong treatment may be administered as a result.A cell approaches a large macromolecule. To consume it for food, the cell extends two pseudopods that surround and pull the macromolecule in as shown above. Which of the following terms describes this type of transport?
A. pinocytosis
B. endocytosis
C. exocytosis
D. phagocytosis
E. receptor-mediated endocytosis
Answers
Answer:
B. phagocytosis
Explanation:
Taking the Study Island lesson as I type this.
The backbones of DNA and RNA are
A) made of alternating sugars and phosphate groups.
B) very different, made of nucleotides in DNA and amino acids in RNA.
C) identical.
D) made of a chain of base pairs.
Answers
The backbones of DNA and RNA are made of alternating sugars and phosphate groups. So the correct option is A.
How are nucleic acids formed?Nucleic acids are macromolecules that will be formed by a column of phosphates and sugars, this will give support to the molecules. This type of union is quite stable since they are difficult to break and not any enzyme can break it. Nucleotides are made up of nitrogenous bases, a sugar, and a phosphate group. The phosphate will be a high energy bond.
Nucleic acids will carry information that will be hereditary and they will have the information to be able to produce proteins. These macromolecules will be stored mainly in the nucleus of the cell.
Therefore, we can confirm that the correct option is A. made of alternating sugars and phosphate groups.
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