According to logistic growth model environment carrying capacity to capture how growth slows down when a population size become so large so that resources available become limited.
When the population is increases gets larger and approaches the environment carrying capacity, a population first grows exponentially because few resources.In case population reaches the caring capacity , then he ecosystem may became unsuitable for species to survive.
According to logistic growth a population per capital growth gets smaller and smaller as population size approaches at maximum imposed by limited environment resources known as carrying capacity. Exponential growth produce J-shaped curve and logistic growth S- shaped produced .
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Mitochondria contain circular strands of _____, similar to that found in many prokaryotes.
Mitochondria contain circular strands of DNA similar to that found in many prokaryotes.Most important are those striking similarities between prokaryotes and mitochondria.
Each mitochondria is its own circular DNA genome like a bacteria's genome , but that is much smaller than mitochondria genome. Chloroplasts and mitochondria are similar in size to prokaryotic cells and their division by splitting /fission similar to prokaryotes.
Prokaryotes lack mitochondria ATP present on their cell membrane surface.Bacteria and mitochondria are also similar in the light of genetic elements -both contain circular DNA and divide through fission. Mitrochondria have plump,jellybeans like shapes which is similar to rod shaped bacilli bacteria.
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Drag each tile to the correct box.
Order the steps of protein synthesis.
A ribosome binds to mRNA.
RNA is modified into mRNA.
Chemical bonds are formed and a protein is produced.
DNA is transcribed.
Amino acids are lined up in a sequence.
Answer:
1.) DNA is transcribed
2.) RNA is modified into mRNA
3.) A ribosome binds to mRNA
4.) Amino acids are lined up in a sequence
5.) Chemical bonds are formed and a protein is produced
Explain process of small scale cultivation of mushrooms
Answer:
Preface
The second edition of Six Steps to Mushroom Farming recognizes that much progress in mushroom farming has taken place over the last 25 years since the original edition was published. Trends such as use of forced aeration Phase I, Phase II tunnels, Phase III bulk spawn run, casing inoculum, compost supplementation, hybrids, improved nutritional status of mushrooms, and alternative uses of post-crop mushroom compost necessitates an updated, reorganized, and expanded second edition of Six Steps to Mushroom Farming.
Mushroom farming consists of six steps, and although the divisions are somewhat arbitrary, these steps identify what is needed to form a production system. The six steps are Phase I composting, Phase II composting, spawning, casing, pinning, and cropping. These steps are described in their naturally occurring sequence, emphasizing the salient features within each step. Compost provides nutrients needed for mushrooms to grow
Explanation:
https://extension.psu.edu/six-steps-to-mushroom-farming
The process of small-scale cultivation of mushrooms is Mushroom Spawn, getting ready for compost, and harvest.
What is mushroom cultivation?Mushroom cultivation is a process utilizing waste substances inclusive of horse manure, bird manure, pig manure, wheat straw, rice straw, corn cobs, wooden bark, sawdust, and cottonseed hulls to produce scrumptious and nutritious meals.
The cultivation method has 5 principal steps.
Mushroom Spawn.getting ready for compost.Spawning of mulch.Casing.Cropping and harvest administration.Learn more about mushroom cultivation here:-https://brainly.com/question/26093768
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Pleas help me.... I'm about to fail my class. I will mark brainliest!!!!
You are a doctor who examines the x-ray of a broken bone, which is healing. What should you look for to indicate that the break is almost completely healed? (2 points)
Procallus
Hematoma
Compact bone
Spongy bone
I know it's either compact bone or spongy bone, but can someone who took the test confirm which one it is!
Selective toxicity, or the ability to affect certain proteins or enzyme systems in the infecting organism, is a much sought-after quality of an anti-infective agent. How many anti-infective agents have this quality
Selective toxicity is a trait which is present in almost all anti-infective agents. This trait allows anti-infective agents to affect and target particular enzymes and proteins in antigens.
Selective toxicity is a trait which is responsible for effecting certain proteins, enzymes or structures in infectious agents like bacteria, fungi and viruses. Without this trait the anti-infectious agents or drugs would have a toxic affect that would be exerted on not only antigens but also on normal, unharmed cells in the body of the host organism. Selective toxicity is displayed by most antibiotics, where these drugs affect the bacterial cell wall and its components. This is also displayed by antiviral drugs. these antiviral drugs affect the spike proteins or capsid proteins on the virus. Antivirals can also be selectively toxic towards receptors that are the point of attachment towards viruses.
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What photon energies are selectively filtered (higher or lower energies) in medical imaging techniques?
The photon energies are selectively filtered in medical imaging techniques is lower energies.
How does X-ray work in physics?X-rays are electromagnetic waves that have the ability to pass through low-density bodies and are absorbed by higher-density materials. The X-ray is a type of electromagnetic radiation with frequencies higher than ultraviolet radiation.
In this case, the correct energy that a photon needs to have for medical imaging techniques is lower energies.
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24. Strengthening some synapses and weakening others establishes neural circuits that contain memories; the low-frequency stimulation of synaptic inputs to a cell can _____ their strength in a phenomenon known as _____.
Strengthening some synapses and weakening others establishes neural circuits that contain memories; the low-frequency stimulation of synaptic inputs to a cell can decrease their strength in a phenomenon known as long-term depression.
The effect of long-term depression can arise from neural effect of synapses. The synaptic impulses start to decrease gradually when a person is suffering from long-term depression. This decreased neural synapses arise from long-term exposure to stress that is chronic. It can also stem from anxiety. The continuous exposure of the neurons to stress and anxiety can also lead to degeneration and depletion of the cells present in the nervous system. Also the cortisol levels rise during depression and it is regulated by the hippocampus. This leads to a delay or restriction in the developing neurons inside the brain. Long-term depression can lead to increased chances of getting addicted to alcohol or drugs.
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When teaching a client with diabetes about monitoring for episodes of hypoglycemia:_________
When teaching a client with diabetes about monitoring for episodes of hypoglycemia, the nurse should tell the client to check for symptoms like feeling shaky, weakness, cold, headache, nausea.
What is hypoglycemia?Hypoglycemia refers to a situation where blood glucose level is less than a given standard value.Glucose is the main source of food for the body and a person suffering from hypoglycemia may feel hungry, nauseous, and weak.Mainly hypoglycemia is related to diabetes but it may also occur due to other diseases and medications.To prevent the symptoms of hypoglycemia, one should consume high sugar foods and drinks.A person with hypoglycemia has blurred vision, confusion, drowsiness, difficulty in concentrating.If the level of blood glucose is low for a long time, it may even lead to seizures, coma and eventually death.Learn more about hypoglycemia here:
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When a neuron sends information down the axon, is called an ______ (two words) also known as a spike or impulse.
When a neuron sends information down the axon is called an Action potentials also known as a spike or impulse.It sent information as a packet of messages.
Neurons send signal release chemicals called neurotransmitter . These transmitters bins with a receptors on their surface of the receiving neuron.They are release from presynaptic terminals which branch to communicate with several postsynaptic neurons.
Information is passed by the axon of the potential , when action potential reaches the ends of the axon it needs to be transferred to another neuron or tissues. The dendrites of neurons receive information from sensory receptors or other neurons.
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Plasmolysis is the ________ of a bacterial cell in a ________ solution
Plasmolysis is the shrinking of a bacterial cell in a hypertonic solution.
Plant cells undergo a process known as plasmolysis when they are exposed to a solution that contains more solutes than the cells do. This is an example of a hypertonic solutionOsmosis is the process by which water leaves cells and enters the surrounding fluid. As a result, the protoplasm—all of the cell's internal components—shrinks away from the cell wall. Cell death may occur as a result of severe water loss that causes the cell wall to collapse. Cells cannot stop plasmolysis from occurring since osmosis is an uncontrollable process that uses no energy from the cell.learn more about Plasmolysis here: https://brainly.com/question/734740
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The property rights approach to environmental issues often becomes highly relevant in cases involving __________________. greenhouse gas emissions harmful affects of acid rain endangered species fresh water resources
The property rights approach to environmental issues often becomes highly relevant in cases involving endangered species.
The approach based on property rights postulates that if exclusive property rights are correctly established, the public good of maintaining high environmental quality may be converted into a private good, and the best possible distribution of environmental resources will be accomplished.
The protection of people's property rights is an efficient method for preserving and rehabilitating endangered animals. It is more likely that recovery will occur if these animals are owned by someone who will benefit in some way from their growth. But if endangered species are nothing more than a burden, any kind of financial incentive to preserve them is met with fierce opposition.
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"Since [the Silverleaf is] the closest relative of the [standard] sunflower, it should be perhaps reasonably straightforward to move some of the traits," said Loren Rieseberg.
Which is the closest synonym for the word straightforward?
A Uncomplicated
B Economical
C Chronological
D Problematic
Answer:
D problematic is this que of answer
Which of the following is true regarding water’s high specific heat capacity?
When we sweat, our bodies undergo evaporative cooling which makes the body heat up
Water can absorb and hold only a little amount of heat before it gets too hot
Small amounts of heat are absorbed by water molecules in order to break the hydrogen bonds between the water molecules
Water’s high specific heat capacity helps regulate the temperature of the Earth
Answer:
small amount of heat are absorbed by water molecules in order to break the hydrogen bonds between the water molecules
If you are conducting research to determine whether cats have better memories than do turtles, which of the following fields are you studying
If you are conducting research to determine whether cats have better memories than do turtles, which of the following fields are you studying Comparative Cognition.
What is Comparative Cognition?Comparative cognition is the area of study that focuses on comprehending the cognitive processes and capacities that are seen in non-human species. If you are conducting research to determine whether cats have better memories than do turtles, which of the following fields are you studying Comparative Cognition. Comparative cognition is the study of how cognition functions and develops across species. It is sometimes compared to or perceived as being more generic than comparative psychology. The "glass half-full/half-empty" metaphor is frequently used to represent how emotional states can alter cognitive processes, and cognitive bias testing examines this relationship. It has been shown across many species and circumstances that an animal's cognitive bias can be directly linked to welfare status, e.g., those with better welfare make more optimistic judgments. Classical or operant conditioning is employed to test reactions to ambiguous signals.
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Protein catabolism is increased in conditions such as?
Answer:
Starvation
Explanation:
Hormones like Insulin, which are anabolic are low during starvation. While Glucagon and epinephrine are high which promote catabolism.
A malignant tumor of bone marrow cells associated with high levels of one of the immunoglobulins, usually IgG, is called: Hodgkin disease Leukemia Lymphoma Multiple myeloma
A malignant tumor of bone marrow cells associated with high levels of one of the immunoglobulins, usually IgG, is called multiple myeloma.
What is multiple myeloma?A malignancy known as multiple myeloma develops in a type of white blood cell known as a plasma cell. Healthy plasma cells produce antibodies that bind to and destroy bacteria, assisting your body in fighting illnesses. Cancerous plasma cells build up in the bone marrow and crowd out healthy blood cells in multiple myeloma.Multiple myeloma's precise cause is unknown. The process that leads to symptoms is started by the aberrant growth of plasma cells in the bone marrow.The spongy tissue in the center of some bones called bone marrow is where the body makes its blood cells. Many myeloma is the name given to the cancer because it frequently affects multiple bodily parts, including the spine, skull, pelvis, and ribs.
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Why did Mendel use pea plants in his experiments?
Hiremagalur B, Sabban EL. Nicotine elicits changes in expression of adrenal catecholamine biosynthetic enzymes, neuropeptide Y and immediate early genes by injection but not continuous administration. Molecular brain research. 1995 Aug 1;32(1):109-15.
Nicotine, a key pharmacologically active component of tobacco smoke, is often regarded as one of the reasons responsible for cigarette smoking's negative repercussions. Nicotine stimulates the sympathoadrenal system, increasing catecholamine synthesis and release into the bloodstream.
In this work, we show that nicotine injections, both single and recurrent, enhance the expression of tyrosine hydroxylase (TH), a rate-limiting enzyme in the catecholamine biosynthesis pathway. In addition, these treatments influenced the expression of dopamine-hydroxylase (DBH) and neuropeptide Y (NPY) in rat adrenals.
Effects of Nicotine:Nicotine's influence on various transcription factors in the adrenal medulla was investigated. Injection nicotine treatment boosted CREB phosphorylation and activated c-Fos protein without altering members of the jun family. In contrast to the injection results, continuous infusion via osmotic pumps had no effect on any of these parameters.
These findings suggest that nicotine delivery modality influences the activation of many transcription factors and the production of TH, DBH, and NPY.
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8. Chromosomes in all human body cells (except for egg and sperm) are:
Answer:
diploid
Explanation:
diploid cells have 23 chromosome pairs, but egg/sperm cells are haploid and don't chromosome pairs
A person cannot drink too much water; the kidneys and sweat glands make water excretion quick and efficient, protecting the body from overhydration.
Answer: false, hypernaltemia
Explanation:
If a cat normally has 38 chromosomes in its somatic (body) cells, how many chromosomes will be in its gametes? a. 76 b. none of these c. 19 d. 38
Each gamete has half the number of chromosomes of the somatic cell. Hence, cats' gametes will have 19 chromosomes. Option C.
What are the type of cells in the organism?The types of cells in the organism are somatic and germ cells.
Both the somatic and germ cells go through mitosis producing two daughter cells with the same genetic dotation.
Somatic cells are any cell in the body except sperm and egg cells. They are diploid, meaning they contain two chromosome sets, each one inherited from each parent.
Germ cells are diploid reproductive cells. They suffer mitosis to form more sexual cells, and a few suffer meiosis to produce haploid gametes. Each germ cell produces 4 haploid gametes.
Each gamete has half the number of chromosomes of the somatic cell. Hence, cats' gametes will have 19 chromosomes. Option C.
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Answer: 19
Explanation: half of 38
the black plague, the epidemic that devastated the european continent during the 1300's is an example of :
Why did alexander fleming suspect he could get penicillin from a species of mold?
a. Wounds with superficial mold on the bandages were not becoming septic.
b. Bacteria on culture plates were unable to grow near mold contamination.
c. Soldiers eating moldy bread were not suffering from wound infections.
d. Patients infected with a fungus like, athlete's foot, were less likely to have bacterial infections.
e. Soldiers drinking fermented alcohol were less likely to have bacterial infections.
Answer:
b
Explanation:
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We used the enzyme, taq polymerase, which is derived from the thermus aquaticus bacterium, in our pcr procedure. Why is this enzyme important for efficiency in pcr?.
The enzyme Taq polymerase is required in the PCR process because it is the main enzyme that synthesizes the new DNA strands complementary to the template strand and without the activity of this enzyme the PCR will be useless and it cannot make the copy of the given strand in any way. Thus, this enzyme is very much necessary for the efficient working of the PCR.
Polymerase Chain Reaction is a very efficient technique that can able to detect and copy even a small amount of DNA by performing a set of reactions at different temperatures.
The PCR process begins with the denaturing of the template strand at 95°C, followed by annealing in which the appropriate primers bind to the single strands of DNA at 50-56°C, followed by extension at 72°C in which the thermostable Taq polymerase synthesizes the strand complementary to the template DNA.
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It has been conjectured by the U.S. Census Bureau that "approximately 60% of foreign-born people who live in the U.S. are not naturalized citizens". In a national random sample of 70 foreign-born people who live in the U.S., on average, how many people would you expect to get that are not naturalized citizens. Select the best answer below.
The correct answer to this question is 42 people
There are only two conceivable outcomes for every foreign national residing in the United States. They are either citizens by naturalization or they are not. Separate from other foreign nationals residing in the country is the likelihood that a foreign national will not become a citizen. Therefore, to address this problem, we employ the binomial probability distribution.
How to use the Binomial Probability?Probability that exactly x will succeed after n iterations with p probability.
The binomial distribution's anticipated value is:
[tex]E(X)=np[/tex]
Approximately 60% of foreign-born residents of the United States are not citizens by naturalization.
It follows that
[tex]p=0.6[/tex]
70 Americans with foreign ancestry
[tex]n=70[/tex]
How many persons who are not naturalized citizens would you anticipate receiving?
[tex]E(X)=np=70*0.6=42[/tex]
The right response is thus:
42 people
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A neurotransmitter binds to a metabotropic receptor and pka is ultimately activated, which type of neurotransmitter likely bound?
Adrenergic is a neurotransmitter that binds to a metabotropic receptor is ultimately activated, which type of neurotransmitter is likely bound
Neurotransmitters are signaling molecules secreted by neurons to affect other cells throughout the synapse. The cell that receives the signal, any body part or target cell, can be another neuron, but it can also be a gland or muscle cell.
Neurotransmitters are the chemicals in your body. They transfer messages from one nerve cell across space to the next nerve, muscle, or glandular cell. Monoamines such as dopamine and norepinephrine; peptides such as somatostatin and opioids; purines such as adenosine triphosphate (ATP)
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The regulatory protein responsible for binding to calcium for contraction to proceed is _____.
The regulatory protein in muscle responsible for binding to calcium for contraction to proceed is troponin.
Troponin is a crucial player in the regulation of muscle contraction by calcium: The actin-tropomyosin-troponin complex, which makes up the thin filaments of striated muscles, is the only structure that can bind calcium. Actin filaments are also connected to troponin, a calcium-binding protein that controls contraction in skeletal or cardiac muscles.
Three parts or subunits of troponin:
Tropomyosin-binding subunit (Tn-T)Inhibitory subunit (Tn-I)calcium-binding subunit are the (Tn-C)NMR spectroscopy was used to determine the atomic structure of the troponin head.Troponin and tropomyosin are both necessary for the control of calcium in striated muscles. Troponin or tropomyosin mutations result in the well-known cardiac myopathy.
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In the following scenario, which question should Marie consider to determine if this career is right for her?
Marie is finishing a degree in animal science and is considering a career as an animal breeder.
What is the role of selective breeding in agriculture?
What degree is most useful for animal breeders?
Does she enjoy working in a hands-on position?
Does she prefer working in a laboratory or office?
If Marie is finishing a degree in animal science and is considering a career as an animal breeder, then she should consider what degree is most useful for animal breeders.
What is selective breeding?Selective breeding is a technique aimed at crossing animals or plants in order to select offspring having better traits/features in the next generations.
Selective breeding is based on the process of genetic selection due to the heritability of phenotypic traits (in this case, in animals).
In conclusion, if Marie is finishing a degree in animal science and is considering a career as an animal breeder, then she should consider what degree is most useful for animal breeders.
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The smooth layer of firm fibrous tissue covering the contacting surface of joints is called:______
Periosteum is smooth layer of firm fibrous tissue covering the contacting surface of joints.
Periosteum is made up of inner cellular layer and outer fibrous layer. The outer layer is composed mostly of collagen and contains nerve fibers that cause pain when the tissue is damaged. Periosteum covers almost your entire bone . It help bone by suppling blood and help them in heal and grow properly. Periosteum help in repairing of bone in case they are damaged .
Periosteum major function is to provide a source of osteocytes/chondrocytes that differentiate from pluripotent undifferentiated mesenchymal cells. They help in scaffolding for the proliferation of osteocytes/chondrocytes. They are rich source of growth factors.
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Excess capacity is best described as underused plant resources that are a result of?
Excess capacity is best described as underused plant resources that are a result of a company generating less output than the minimum average total cost.
What are plant resources?In business, expression 'plant resources' makes reference to the amount of economically available sources that a company/firm has to carry out their regular tasks.
Regarding costs and benefits, these plant resources can be estimated by taking into account the minimum average total cost.
In conclusion, excess capacity is best described as underused plant resources that are a result of a company generating less output than the minimum average total cost.
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