When a receptor is taken into the cell by endocytosis, the cell becomes desensitized to the action of the receptor.
The internalized, active receptor is then moved to the lysosomes and late endosomes for destruction. The active involvement of receptor-mediated endocytosis in the transmission of signals from the cell periphery to the nucleus is noteworthy, nevertheless. Endocytosis, in which certain areas of the plasma membrane invaginate and pinch off to produce endocytic vesicles, allows cells to take up liquid, molecules, and particles. Many of the chemicals and particles that are endocytosed end up in lysosomes where they are broken down.
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sensory and motor function complete the sentences describing the functioning of the nervous system, then place them in logical order.
Sensory and motor function are two crucial functions of the nervous system. These functions help us to sense and respond to stimuli in our environment.
The logical order of these functions is as follows: Sensory neurons receive information. Interneurons integrate and interpret the information. Motor neurons carry information to muscles and glands for movement.
Below are the complete sentences describing the functioning of the nervous system: Sensory neurons receive information from the sensory receptors located in the skin, eyes, ears, nose, tongue, and internal organs.
Motor neurons carry information from the central nervous system to muscles and glands, resulting in voluntary and involuntary movement. Interneurons integrate and interpret sensory input and decide whether to send signals to the motor neurons or not.
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please help need this soon
Frequency of dominant allele: 0.99
Frequency of recessive allele: 0.01
% homozygous dominant: 98.01%
% homozygous recessive: 0.01%
% heterozygous: 1.98%
What is Hardy -Weinberg equation?The Hardy-Weinberg equation is a mathematical model that describes the relationship between the frequencies of alleles and genotypes in a population. It is based on the assumptions of a large population size, random mating, no migration, no mutation, and no natural selection.
The equation is:
p² + 2pq + q² = 1
where:
p = frequency of the dominant allele
q = frequency of the recessive allele
p² = frequency of the homozygous dominant genotype
q² = frequency of the homozygous recessive genotype
2pq = frequency of the heterozygous genotype.
Given that cystic fibrosis is a homozygous recessive condition that affects 1 in 10,000 of the Hispanic population in the US, we can assume that the frequency of the recessive allele is q = √(1/10000) = 0.01.
To calculate the frequency of the dominant allele, we can use p = 1 - q = 1 - 0.01 = 0.99.
Now we can use the Hardy-Weinberg equation to calculate the frequencies of the different genotypes:
p² = (0.99)² = 0.9801 = 98.01% homozygous dominant
2pq = 2(0.99)(0.01) = 0.0198 = 1.98% heterozygous
q² = (0.01)² = 0.0001 = 0.01% homozygous recessive
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Needddddd answerrrr asappp
The main topic of traditional techniques of biotechnology would be the use of living organisms and their derivatives to produce useful products or processes.
What are the subtopics of these traditional techniques?Fermentation: The process of using microorganisms to convert raw materials into useful products such as alcohol, vinegar, and cheese. Subtopics under fermentation could include different types of fermentation processes, the role of microorganisms in fermentation, and the history of fermentation in various cultures.Plant breeding: Subtopics under plant breeding could include techniques such as cross-breeding and hybridization, the role of genetic variation in plant breeding, and the use of traditional knowledge in plant breeding.Traditional medicine: The use of plant extracts and other natural products to treat diseases and promote health. Subtopics under traditional medicine could include the use of medicinal plants in different cultures, the scientific basis of traditional medicine, and the challenges of integrating traditional medicine into modern healthcare.Bioprospecting: The search for new natural products with potential applications in medicine, agriculture, and other fields. Subtopics under bioprospecting could include the use of traditional knowledge to guide bioprospecting efforts, the legal and ethical issues surrounding bioprospecting, and the challenges of sustainable use of biodiversity.Biocontrol: The use of parasites, and pathogens to control pest populations. Subtopics under biocontrol could include the ecological principles underlying biocontrol, the use of biocontrol agents in different agricultural systems, and the potential risks and benefits of biocontrol.To find out more about biotechnology, visit:
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as characteristized in lecture, an oil spill is an example of: question 12 options: competition antagonism ammensalism commensalism
Antagonism can take one of two forms: competitive and non-competitive. Ketamine, on the other hand, is a non-competitive foe of the NMDA-glutamate receptor, whereas naloxone is a competitive foe of all opioid receptors. The correct answer is Antagonism.
Competitive antagonism is based on the idea that an agonist or antagonist can bind to the same recognition site(s) on the receptor and compete for those sites when they are present simultaneously.
A competitive antagonist blocks the agonist's action by binding to the same site as the agonist but not activating it. To prevent the receptor from being activated, a non-competitive antagonist binds to an allosteric (non-agonist) site on the receptor.
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4. Using a series of arrows, draw the branched metabolic reaction pathway described by the following statements, and use the diagram to answer the questions.
Pyruvate can be converted to either Oxaloacetate or ActeylCoA.
AcetylCoA can be converted to Citrate.
Citrate can be converted to Ketoglutarate
Ketoglutarate can be converted to Glutamate or Succinate.
Glutamate can be converted to Glutamine.
Succinate can be converted to Fumarate.
The enzyme that converts Succinate to Fumarate requires Mg++
Glutamine is a competitive inhibitor of the enzyme that catalyzes reaction of Ketoglutarate to Glutamate.
Fumarate is a noncompetitive inhibitor of the enzyme that catalyzes the reaction of Pyruvate to AcetylCoA.
Explain the function of Mg++
When the concentration of fumarate is very high, explain what happens to the concentrations of Glutamine and Oxaloacetate?
Is this an example of feedback inhibition or allosteric regulation? Explain your answer. What other information might be needed to make a better answer?
as a result of the non-selectivity of the mammalian kidney's filtration of small molecules, .
Essential nutrients may be lost through the urine due to the non-selectivity of the human kidney's filtration of tiny molecules. Here option A is the correct answer.
The mammalian kidney's filtration system is non-selective towards small molecules, which means that many small molecules such as water, ions, and waste products can pass through the glomerulus and into the tubules for excretion. However, this also means that essential nutrients, such as glucose and amino acids, can be lost through urine as well.
Option B is incorrect because harmful substances are typically filtered out by the kidney and not retained in the body. Option C is also incorrect because the kidney's filtration system is designed to handle a large volume of fluid and small molecules. Option D is not directly related to the non-selectivity of the kidney's filtration system.
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Complete question:
As a result of the non-selectivity of the mammalian kidney's filtration of small molecules ________.
A - Essential nutrients can be lost through urine
B - Harmful substances can be retained in the body
C - The kidney's filtration system becomes overwhelmed
D - The body's pH balance is disrupted
E - All of the above
the cat, felis domestica, has a diploid number of 38 chromosomes in its somatics cell. consisting of 19 homologous pairs ( that is 19 maternal and 19 paternal chromosomes). a student stated that only one fourth of the gametes produced by meiosis in this animal will have all of its chromosomes from either maternal or paternal origin. explain wether you think the student is right or wrong
Answer:
Explanation:
The student is incorrect. During meiosis, homologous chromosomes pair up and can undergo crossing over, where genetic material can be exchanged between maternal and paternal chromosomes. This results in the formation of genetically unique haploid cells (gametes) with a combination of chromosomes from both maternal and paternal origin.
In the case of a diploid organism with 19 homologous pairs, the total possible combinations of maternal and paternal chromosomes in the gametes is 2^19, or approximately 524,000. This means that there are a large number of possible combinations of chromosomes that can end up in a gamete, making it unlikely for all of the chromosomes in a gamete to come from either maternal or paternal origin.
Therefore, the correct statement is that only a small fraction of the gametes produced by meiosis in this animal will have all of its chromosomes from either maternal or paternal origin, while the majority of the gametes will have a combination of chromosomes from both maternal and paternal origin.
fill in the blank. to create a dopamine deficient (dd) mouse that retains the ability to produce ne, the gene for___is selectively restored in noradrenergicc neurons
To create a dopamine deficient (dd) mouse that retains the ability to produce ne, the gene for dopamine beta-hydroxylase (DBH) is selectively restored in noradrenergic neurons.
DBH is an enzyme that converts dopamine to norepinephrine (ne), and its expression is critical for the production of ne. By restoring DBH expression specifically in noradrenergic neurons, researchers can create a mouse that lacks dopamine but still produces ne.
This can be a useful tool for studying the effects of dopamine deficiency on behavior, as well as the specific roles of dopamine and ne in various physiological processes. Additionally, this technique could potentially be used to develop new treatments for disorders that involve abnormalities in dopamine or ne signaling, such as Parkinson's disease or depression.
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explain the socio-economic challenges that exist in urban areas
Answer:
the unemployment rate will increase.
Answer:
dually fishtail good too risks tittiesss
How does water flow?
Read the following statement.
There are many different ways scales can be used to help people understand the natural world.
Which sentence from the article provides the BEST support for the above statement?
A
But how do you observe and measure something that is larger than an entire planet?
B
Cartographers, or people who make maps, create map scales to help people understand the relationship between distances on maps and distances in the real world.
C
Usually, the scales are in the bottom corner of a paper map.
D
Similar to how scale can help us understand very large objects, scale can also be used to help us understand very small objects
D. Similar to how scale can help us understand very large objects, scale can also be used to help us understand very small objects.
What is a scale ?In general, a scale is a tool or a system used to measure or compare things. Scales are used to quantify different attributes such as weight, length, time, temperature, and many others.
There are many types of scales that are used for different purposes, such as balance scales, digital scales, thermometers, rulers, and gauges. The choice of scale depends on the attribute being measured and the level of precision required.
Scales are used in many different fields, including science, engineering, medicine, and economics. They are essential for conducting experiments, manufacturing products, and analyzing data.
In the context of maps, a scale is used to show the relationship between the distances on the map and the actual distances in the real world. For example, a map with a scale of 1:50,000 means that one unit on the map represents 50,000 units in the real world.
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c| If you raise your toes, which muscle contracts?
Answer:
calf muscle
Explanation:
The calf muscle is in the back of your lower leg, behind your shin bone. It actually includes three muscles. Together, the muscles help you walk, run, jump, stand on your toes and flex your foot
The tibialis anterior muscle contracts when you raise your toes. This muscle is part of the anatomy of the lower leg.
A list of some of the blood vessels of the systemic circuit is provided. Arrange them in order from highest to lowest blood pressure.
Highest blood pressure
.....
Lowest
The order from highest to lowest blood pressure is: Aorta, Arterioles, Capillaries, Venules, Veins.
The systemic circuit is a circuit in the circulatory system that consists of the heart and all body organs except the lungs. It carries oxygen and nutrient-rich blood to the body's organs and tissues, and carbon dioxide and other waste products away from them.
The circulatory system is made up of three main components: the heart, blood vessels, and blood. The heart pumps blood throughout the body via a network of arteries, veins, and capillaries.
The reason for this order depends on the blood pressure in the systemic circuit is related to the size, structure, and function of the different types of blood vessels. Therefore the correct order from highest to lowest blood pressure is: Aorta, Arterioles, Capillaries, Venules, Veins.
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theorists who attribute some of the causes of deviant behavior to biology are employing ___ theories.
Those that use biological theories to explain some of the biological factors that contribute to abnormal behaviour do so.
What are biological explanations for abnormal behaviour?According to a biological hypothesis of deviance, a person's deviation from social standards is mostly a result of their biological make-up. Although it can be extended to informal deviance, the theory focuses primarily on formal deviance and uses biological explanations for criminality.
Which biological theories are there?With a focus on the conceptual unification provided by evolutionary and developmental approaches, the journal Biological Theory is devoted to theoretical developments in the disciplines of evolution and cognition.
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Assignment sports leadership news paper article
Scenario You are working in a small, but developing, coaching company. You have contacted a local newspaper to discuss how to develop interest in volunteering in sports leadership. The editor has asked you to write an article that explores the requirements of becoming a successful sports leader, using examples of successful sports leaders to demonstrate attributes and responsibilities required.
Task 1
Carry out research into successful sports leaders using textbooks, the internet and journals. You may also consider sports leaders who have led sporting events that you have taken part in and/or sports leaders who coach professional or national sports teams.
Prepare a two-page article for the newspaper about the attributes and responsibilities of sports leaders. (2A.P1, 2A.P2, 2A.M1, 2A.M2)
Within the feature you should compare and contrast the attributes of two successful sports leaders. (2A.D1)
Checklist of evidence required
Article for a newspaper or web article.
Criteria covered by this task:
Unit/Criteria reference
To achieve the criteria you must show that you are able to:
6/2A.P1
Describe, using relevant examples, the attributes required for, and responsibilities of, sports leadership.
6/2A.P2
Describe the attributes of two selected successful sports leaders.
6/2A.M1
Explain the attributes required for, and responsibilities of, sports leadership.
6/2A.M2
Evaluate the attributes of two successful sports leaders.
6/2A.D1
Compare and contrast the attributes of two successful sports leaders.
For a population containing 90females and 10 males, what is the effective population size, ne ?.
This is equal to multiplying the total number of males by the total number of girls by four. Let's proceed, Kuwait's effective population size will be divided by 10 yesterday night by four times ten times ninety. This equals three, one, and the result will be merely six in the end.
What is meant by population size?The size of a population refers to the total number of members. The average person count per unit of area or volume is referred to as population density. The qualities of a species or its environment may have an impact on how individuals are spaced out in a population. The most accurate technique to gauge a population's size is to conduct a full count of its members. This method can be used to estimate the population sizes of trees or other comparably stationary species. Yet, counting every member of the organism would be challenging if it were mobile, like a fish.The density of people within a population's various size classes is referred to as population size-structure.To learn more about population size, refer to:
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test binding of a transcription regulator on specific dna sequences, which of the following techniques could be used?
There are various techniques that can be used to test the binding of a transcription regulator on specific DNA sequences. These techniques are discussed below: Electrophoretic Mobility Shift Assay (EMSA): It is a technique that is used to analyze protein-DNA interactions. TThe correct option is (A).
In this technique, a DNA sequence that binds to a transcription factor of interest is labeled with a radioactive or fluorescent marker. The labeled DNA is mixed with the protein of interest and then electrophoresed. The protein-DNA complexes move more slowly than unbound DNA and can be visualized and quantified by autoradiography or fluorescence imaging. Surface Plasmon Resonance (SPR): This technique is used to study biomolecular interactions. SPR is based on detecting changes in the refractive index caused by the binding of molecules to a metal-coated sensor surface. The sensor surface contains ligands that specifically bind to the molecule of interest. When the molecule of interest binds to the ligands, the refractive index changes and is detected by a detector. Signal Amplification System (SAS): This is a technique that can be used to detect the binding of a transcription factor to DNA. It involves the amplification of the signal generated by the binding of a transcription factor to DNA. The signal is amplified by the binding of a secondary antibody to the primary antibody that is bound to the transcription factor. The secondary antibody is conjugated with an enzyme that catalyzes a reaction to produce a detectable signal.
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Note the full question is
which of the following techniques could be used? test binding of a transcription regulator on specific dna sequences.
A) Electrophoretic Mobility Shift Assay (EMSA)
B) GC rich regions help anchor transcription factor binding
using the chart below, explain which organism is most closely related to the human and why? which is most distantly related and why?
You can see from the chart below that the first species is in the animal kingdom while the other three are in the plant world. Just below the level of domains, the kingdom is a very high degree of categorization.
As a result, creatures from various kingdoms have relatively little in common. Sponge species are our most distant cousins according to the conventional animal tree of life. Like our non-animal ancestors (such as fungi), sponges are structurally basic creatures that lack many sophisticated animal characteristics including a nervous system, muscles, and a through-gut.
The gorillas, chimpanzees, and orangutans are the big apes that resemble humans the most physically. Yet, DNA testing has revealed that the chimpanzees are our closest living cousins; 95% of our DNA is the same.
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Correct Question:
Using the chart below, explain which organism is most closely related to the human and why? which is most distantly related and why?
A research team has genetically engineered a strain of fruit flies to eliminate errors during DNA replication. The team claims that this will eliminate genetic variation in the engineered flies. A second research team claims that eliminating errors during DNA replication will not entirely eliminate genetic variation in the engineered flies
(a)Provide ONE piece of evidence that would indicate new genetic variation has occurred in the engineered flies.
New phenotypes provides a piece of evidence that new genetic variation occurs in engineered fruit flies.
In genetics, a phenotype is a set of observable features or characteristics of an organism. The term covers an organism's morphology (physical form and structure), developmental processes, biochemical and physiological characteristics, behavior and products of behavior. The phenotype of an organism is produced by two fundamental factors: the expression of the organism's genetic code (its genotype) and the influence of environmental factors. These two factors may interact to further influence the phenotype. When two or more distinct phenotypes exist within the same population of a species, the species is said to be polymorphic.
A well-documented example of polymorphism is the color of the Labrador Retriever; while coat color depends on many genes, yellow, black, and brown can be clearly seen in the environment. In 1978 and again in his 1982 book The Extended Phenotype, Richard Dawkins proposed that bird's nests and other architectural structures such as stone silkworm larvae and beaver ponds) are considered as "extended phenotypes".
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identify the letter that indicates the organ that directs sperm towards the seminal vesicles during ejavulation
The letter that indicates the organ that directs sperm towards the seminal vesicles during ejaculation is D.
Ejaculation occurs during orgasm, which is when the intense physical and emotional sensations.
During ejaculation, the vas deferens, which is a tube that carries sperm from the testicles to the urethra, contracts and propels the sperm towards the prostate gland.
The prostate gland then adds a fluid to the semen to nourish and protect the sperm. Finally, the semen is propelled out of the body through the urethra during ejaculation.
The prostate gland (D) is the organ that directs sperm towards the seminal vesicles during ejaculation.
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which of the following physiological variables is influenced by BOTH sympathetic and parasympathetic Nervous system activation?a. cardiac pre-ejection periodb. skin conductancec. cardiac interbeat intervald. none of the above
The physiological variable that is influenced by BOTH sympathetic and parasympathetic nervous system activation is:
c. Cardiac interbeat interval
What are the effects of sympathetic and parasympathetic Nervous system activation?Both sympathetic and parasympathetic nervous systems can modulate heart rate through their influence on the sinoatrial (SA) node, which is the natural pacemaker of the heart.
The sympathetic nervous system can increase heart rate and contractility, while the parasympathetic nervous system can decrease heart rate and contractility. As a result, cardiac interbeat interval, which is the time between successive heartbeats, can be influenced by both sympathetic and parasympathetic nervous system activation.
Cardiac pre-ejection period and skin conductance, on the other hand, are primarily influenced by sympathetic nervous system activation, while parasympathetic nervous system activation has little effect on them.
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compare and contrast anabolic and catabolic processes by dragging the labels to the correct areas of the venn diagram.
The above present areas of venn diagram represents the compare and contrast between anabolic and catabolic pathways. This Venn diagram shows relaionship between groups.
Metabolism can be represented into two types:
Catabolism Anabolism.First see the above required Venn - diagram for describing the catabolism and anabolism :
Circles that overlap have the common feature of catabolism and anabolism. Circles do not overlap have their own features.Examples for the catabolic pathway : Glycolysis : Breakdown of one molecule of glucose and releasing energy.lipolysis : Breakdown of triglyceridesCitric acid pathway - Oxidtion of acetyl CoA to release energy.Oxidative deaminationMuscle tissue breakdownExamples for the anabolic pathway:Fatty acids becoming triglycerides.Glucose becoming glycogenPhotosynthesis - sugar from CO₂.building block : Which consists synthesis of large protiens from amino acids.Synthesis of new DNA strands from nucleic acid (building block)For more information about anabolic and catabolic pathways, visit :
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You are crossing two pea plants. One is heterozygous for yellow. The second pea plant is homozygous for green. Use "G/g" as the letter to represent the gene for this problem.
Answer:
Parent 1 genotype: Gg
Parent 2 genotype: gg
gg's bro
which of the following is not a final product of the complete breakdown of glucose during cellular respiration
Pyruvate is not a final product of the complete breakdown of glucose during cellular respiration. Here option D is the correct answer.
The breakdown of glucose during cellular respiration occurs in three stages: glycolysis, the Krebs cycle, and the electron transport chain. In glycolysis, glucose is broken down into two molecules of pyruvate. Pyruvate then enters the Krebs cycle, where it is further broken down and ultimately produces ATP, carbon dioxide, and water.
The electron transport chain also produces ATP and water. Therefore, ATP, carbon dioxide, and water are the final products of the complete breakdown of glucose during cellular respiration. Pyruvate is an intermediate product and is further metabolized during the Krebs cycle.
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Complete question:
Which of the following is not a final product of the complete breakdown of glucose during cellular respiration?
A. ATP
B. Carbon dioxide
C. Water
D. Pyruvate
E. None of the above
