what type of conduction takes place in unmyelinated axons? view available hint(s)for part a what type of conduction takes place in unmyelinated axons? synaptic transmission electrical conduction continuous conduction saltatory conduction
Answers
In unmyelinated axons, the type of conduction that takes place is continuous conduction. This is because there are no myelin sheaths to insulate and speed up the electrical impulses that travel along the axon.
Instead, the electrical signal moves in a continuous, step-by-step fashion along the entire length of the axon. This type of conduction is slower than saltatory conduction, which occurs in myelinated axons, but it is still efficient enough to allow for proper nerve function. When the electrical signal reaches the end of the axon, synaptic transmission occurs, allowing the signal to be passed on to other cells or muscles.
In unmyelinated axons, the type of conduction that takes place is called continuous conduction. This process involves the progressive, uninterrupted propagation of electrical signals along the entire length of the axon. Unlike saltatory conduction, which occurs in myelinated axons and involves signal jumping between nodes of Ranvier, continuous conduction is slower due to the absence of myelin insulation. However, it is still essential for effective synaptic transmission in the nervous system, allowing for proper communication between neurons and the efficient relay of information throughout the body.
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Related Questions
3. The Candyman is making a mixture of candy. Gumballs sell for $5/1b and Peppermint Patty's sell for $8/b. The grocer wants to make a 20 lb mixture that will sell for $6. 20/b. How many pounds of each
candy should he use?
g = the pounds of gumballs
p = the pounds of Peppermint Patty's
Answers
To make a 20 lb mixture of candy that sells for $6/b, the Candyman should use a combination of gumballs and Peppermint Patty's. The number of pounds of gumballs (g) and Peppermint Patty's (p) can be determined using a system of equations, will give us the values of g and p, representing the pounds of gumballs and Peppermint Patty's, respectively, in the 20 lb mixture.
Let's assume the Candyman uses g pounds of gumballs and p pounds of Peppermint Patty's. Since the grocer wants to make a 20 lb mixture, we have the equation g + p = 20.
The cost of the gumballs is $5 per pound, so the cost of the gumballs in the mixture is 5g dollars. Similarly, the cost of the Peppermint Patty's is $8 per pound, so the cost of the Peppermint Patty's in the mixture is 8p dollars. The grocer wants the mixture to sell for $6 per pound, so the total cost of the mixture is 6 * 20 = 120 dollars.
We can now set up the second equation: 5g + 8p = 120.
Solving this system of equations will give us the values of g and p, representing the pounds of gumballs and Peppermint Patty's, respectively, in the 20 lb mixture.
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what item will have a greater density: a pure iron anchor or a pure iron magnet
Answers
Answer:
The same density.
Explanation:
They will have the same density because they are of the same metal and are completley pure.
item will have a greater density: a pure iron anchor or a pure iron magnet have same density.
What is density ?The density of a material refers to the mass per unit volume which means it is the ratio between mass and volume, where the how much stuff of an object has in a unit volume.
Density can also be defined as the measurement of matter, where it shows how tightly matter is getting together, discovered by the Greek scientist Archimedes
The density of an object can be represented as the mass (m) can be divided by the volume (v)
Density = Mass/Volume
The SI unit of density is represented as kilogram per cubic meter (kg/m3) or in cgs unit is represented as of grams per cubic centimeter (g/cm3).
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Which two polymers can make a hormone?
1) proteins and carbohydrates
2) carbohydrates and nucleic acids
3) amino acids and proteins
4) proteins and lipids
Answers
Answer:
3
Explanation:
i believe, they are composed of monomers that are amino acids-
for inspiration during labored breathing, which of these muscles is not contracted?
Answers
During inspiration during labored breathing, the diaphragm and external intercostal muscles are typically contracted to increase the volume of the thoracic cavity and facilitate inhalation.
However, the muscle that is not typically contracted during labored breathing is the internal intercostal muscles.The internal intercostal muscles are involved in forced exhalation rather than inspiration.During labored breathing, the focus is on increasing the effort of inhalation, so the internal intercostal muscles are not actively contracted. Instead, they may relax or remain relatively inactive during this phase of breathing.
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Which statement is FALSE about epigenetic modifications?
a. The tails of the nucleosome octamer components can be modified with methylation
b. The tails of the nucleosome octamer components can be modified with acetylation
c. Only non-DNA components of chromatin are modified with epigenetic markers
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin
Answers
The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.
Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.
a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.
b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.
d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.
In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.
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Pacinian corpuscles and Meissner corpuscles can be classified ascutaneous receptorssomatosensorymechanoreceptors
Answers
Pacinian corpuscles and Meissner corpuscles are both classified as cutaneous mechanoreceptors, which are part of the somatosensory system. These specialized structures allow us to perceive touch, pressure, and vibrations through our skin.
Pacinian corpuscles and Meissner corpuscles are both classified as cutaneous receptors, which means they are located in the skin and are responsible for detecting various stimuli such as touch, pressure, temperature, and pain. Specifically, they are classified as somatosensory mechanoreceptors, which means they respond to mechanical stimuli such as pressure, vibration, and stretch. Pacinian corpuscles are typically found deeper in the skin and are more sensitive to high-frequency vibrations, while Meissner corpuscles are located closer to the surface and are more sensitive to light touch and low-frequency vibrations.
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Based upon your knowledge of osmosis (movement of water across a semipermeable membrane) indicate
with arrows which direction the water will move using the solute concentrations in the image below. if the
numbers represent the solvent (water) concentration, in a different color, draw the direction of water
movement.
Answers
Cross section of the layers of the Earth, labeled 1 through 5 starting with the crust and ending with the core.
Use the drop-down menus to select the part of Earth best described by each phrase.
May help create Earth’s magnetic field
Can be thick or thin, depending on location
Made of molten metal
The location of Earth’s plates
Answers
Answer:
4
1
4
1
Explanation:
im always right :)
Answer:
4
1
4
1
Explanation: taking the assignment now:)
Describe one unique situation in which you could use an experiment to test a hypothesis about evolution.
Answers
Answer:
One unique situation in which an experiment could be used to test a hypothesis about evolution is studying the evolution of antibiotic resistance in bacteria.
Explanation:
Hypothesis: Exposure to antibiotics will lead to the evolution of antibiotic resistance in bacteria populations.
Experiment:
Start with a culture of bacteria that is susceptible to a specific antibiotic.
Divide the bacteria into two groups: a control group and an experimental group.
In the experimental group, expose the bacteria to gradually increasing concentrations of the antibiotic over multiple generations.
In the control group, maintain the bacteria in a controlled environment without exposure to the antibiotic.
Monitor and measure the growth and survival of both groups over several generations.
Regularly sample bacteria from both groups and test their susceptibility to the antibiotic.
Compare the results between the control and experimental groups to determine if the experimental group has developed antibiotic resistance over time.
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What are the two main types of GMO's? Mark both answers.
A Pesticide Producers
B Fungicide Producers
C Bacteria Producers
D Herbicide resistors
Answers
The two main types of GMOs (Genetically Modified Organisms) are A) Pesticide Producers and D) Herbicide resistors.
A) Pesticide Producers refer to genetically modified crops that have been engineered to produce a toxin that is toxic to specific pests.
These crops, commonly known as Bt crops, have been modified with genes from the bacterium Bacillus thuringiensis (Bt), which naturally produces a protein toxic to certain pests.
By incorporating the Bt toxin-producing gene, these crops can produce the toxin themselves and provide built-in pest resistance.
D) Herbicide resistors are genetically modified crops that have been engineered to be resistant to specific herbicides.
The most widely used herbicide-resistant crops are glyphosate-resistant crops.
They have been genetically modified to tolerate the application of herbicides containing glyphosate, allowing farmers to control weeds effectively without harming the crop.
B) Fungicide Producers and C) Bacteria Producers are not the main types of GMOs.
While genetic engineering techniques have been used to develop crops with improved resistance to certain fungal diseases or to introduce beneficial bacteria for specific purposes, these are not as prevalent or widely known as pesticide producers and herbicide resistors.
In summary, the two main types of GMOs are A) Pesticide Producers and D) Herbicide resistors, which involve genetically modified crops engineered to produce toxins harmful to pests and crops engineered to be resistant to specific herbicides, respectively.
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Cleft chin is an x-linked dominant trait. assume that a man with a cleft chin marries a woman with a round chin. what percent of their female progeny will show the cleft chin trait? 75 percent 50 percent 100 percent 0 percent 25 percent
Answers
If cleft chin is an X-linked dominant trait, it means that the gene responsible for this trait is located on the X chromosome.
Since females have two X chromosomes and males have one X and one Y chromosome, the inheritance of this trait can differ between the sexes.
In this scenario, we know that the man has a cleft chin, so he must have at least one copy of the cleft chin gene on his X chromosome. The woman, on the other hand, has a round chin, which means she does not have any copies of the cleft chin gene on either of her X chromosomes.
The possible genotypes of the parents are:
Man: XcY (cleft chin gene on X chromosome)
Woman: XRXr (no cleft chin gene on X chromosomes)
where Xc is the X chromosome with the cleft chin gene, Xr is the X chromosome without the cleft chin gene, and XRXr is the genotype for a round chin.
The possible genotypes of their offspring are:
Male: XcY or XrY (50% chance of inheriting either X chromosome from the father)
Female: XcXr (50% chance of inheriting the Xc chromosome from the father, and 50% chance of inheriting the Xr chromosome from the mother)
Therefore, only the female offspring can show the cleft chin trait. The probability of a female offspring inheriting the Xc chromosome from the father is 50%, and the probability of inheriting the Xr chromosome from the mother is also 50%. So the probability of a female offspring having a cleft chin is 50%.
Therefore, the answer is: 50 percent.
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A product is sold at a price of $120 per unit and its variable cost is $80 per unit. The fixed expenses of the business are $8,000 per year. Find (i) BEP in $ and units, (ii) profits made when sales are 240 units. Calculate the profit and do a CVP Analysis.
Answers
(i) BEP in $: $8,000
BEP in units: 100 units
(ii) Profits made when sales are 240 units: $4,800
(i) BEP in $ and units:
To find the Break-Even Point (BEP) in dollars, we need to divide the fixed expenses by the contribution margin per unit. The contribution margin per unit is the selling price minus the variable cost per unit.
BEP in $ = Fixed expenses / Contribution margin per unit
BEP in $ = $8,000 / ($120 - $80) = $8,000 / $40 = $8,000
The BEP in dollars is $8,000.
To find the BEP in units, we divide the fixed expenses by the contribution margin ratio.
BEP in units = Fixed expenses / Contribution margin ratio
Contribution margin ratio = Contribution margin per unit / Selling price per unit
Contribution margin ratio = ($120 - $80) / $120 = $40 / $120 = 1/3
BEP in units = $8,000 / (1/3) = $8,000 * 3 = 300 units
The BEP in units is 300 units.
(ii) Profits made when sales are 240 units:
To calculate the profit, we need to subtract the total costs (fixed costs + variable costs) from the total sales.
Variable costs = Variable cost per unit * Number of units sold
Variable costs = $80 * 240 = $19,200
Total costs = Fixed expenses + Variable costs
Total costs = $8,000 + $19,200 = $27,200
Profit = Total sales - Total costs
Profit = (Selling price per unit * Number of units sold) - Total costs
Profit = ($120 * 240) - $27,200
Profit = $28,800 - $27,200
Profit = $1,600
The profit made when sales are 240 units is $1,600.
CVP Analysis:
Cost-Volume-Profit (CVP) analysis is a tool used to analyze the relationship between costs, volume, and profits. It helps in understanding how changes in sales volume affect profitability.
In this case, the CVP analysis can be performed using the given data:
Sales revenue = Selling price per unit * Number of units sold
Sales revenue = $120 * 240 = $28,800
Variable costs = Variable cost per unit * Number of units sold
Variable costs = $80 * 240 = $19,200
Contribution margin = Sales revenue - Variable costs
Contribution margin = $28,800 - $19,200 = $9,600
Contribution margin ratio = Contribution margin / Sales revenue
Contribution margin ratio = $9,600 / $28,800 ≈ 0.3333
Break-Even Point (BEP) in units = Fixed expenses / Contribution margin per unit
BEP in units = $8,000 / $40 = 200 units
Profit = (Selling price per unit * Number of units sold) - Total costs
Profit = ($120 * 240) - ($8,000 + $19,200)
Profit = $28,800 - $27,200
Profit = $1,600
By conducting a CVP analysis, we can determine the Break-Even Point, contribution margin, and analyze the profitability based on the given data.
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what would happen if you forgot to decolorize your smear with gram's alcohol during the gram staining procedure?
Answers
If you forgot to decolorize your smear with Gram's alcohol during the Gram staining procedure, the smear would retain the primary stain (crystal violet) and appear purple under the microscope.
Gram's alcohol is responsible for removing the primary stain from gram-negative bacteria, making them colorless, while it has no effect on gram-positive bacteria, which retain the primary stain. Therefore, the decolorization step is crucial to differentiate between gram-positive and gram-negative bacteria in the Gram staining procedure. If this step is skipped, the results of the staining may be inaccurate and misleading.
Not decolorizing your smear with Gram's alcohol during the Gram staining procedure, the result would be inaccurate because both Gram-positive and Gram-negative bacteria would appear purple. Decolorization is an essential step to differentiate between the two types of bacteria, as it removes the crystal violet-iodine complex from Gram-negative cells, allowing them to take up the counterstain (safranin) and appear red.
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Correctly identify the following labels on the plant and animal cells.
Answers
Answer:
А Plasma membrane (Cell membrane)
B Cell wall
C Cytoplasm
D Vacuole
E Nucleus
F Chloroplast
H Mitochondria
G No idea sorry
I endoplasmic reticulum
J Golgi apparatus
Explanation:
Sorry for G ask your teacher but this look like nothing
A person whose platelet count is 40,000/μl is suffering from
A) leukocytosis.
B) leukopenia.
C) thrombocytopenia.
D) hemocytosis.
E) thrombocytosis.
Answers
A person whose platelet count is 40,000/μl is suffering from thrombocytopenia.
Explanation:
Thrombocytopenia is a medical condition characterized by a low platelet count in the blood. A normal platelet count in adults ranges from 150,000 to 450,000 platelets/μl of blood. Platelets play a crucial role in blood clotting, and a low platelet count can lead to an increased risk of bleeding and bruising.
A platelet count of less than 150,000/μl is considered thrombocytopenia. Mild thrombocytopenia is usually asymptomatic, but severe thrombocytopenia can cause spontaneous bleeding or hemorrhage. The most common causes of thrombocytopenia include viral infections, medications, autoimmune diseases, and bone marrow disorders.
Leukocytosis is an increase in the number of white blood cells in the blood, while leukopenia is a decrease in the number of white blood cells. Hemocytosis is not a recognized medical term. Thrombocytosis is a medical condition characterized by a high platelet count in the blood.
17. When transcription occurs in eukaryotic cells, a DNA strand is copied to an mRNA strand that contains introns and exons. Which of the two is needed for the
production of proteins, and why?
Exons because they are coding sequences.
Introns because they are non-coding sequences.
Introns because they are coding sequences.
Exons because they are non-coding sequences
Answers
Answer:
Exons because they are coding sequences
Explanation:
The sections of DNA (or RNA) that code for proteins are called exons.
Plants are ? They make their own food.
Animals are? They consume other organisms for food
Answers
Answer:
Plants are producers.
Animals are consumers.
Which Sl unit is most appropriate for measuring weight?
O A. Kilograms (kg)
B. Kelvins (K)
O C. Newtons (N)
O D. Meters (m)
Answers
i hope this helps!:)
Answer:
Kilograms (kg)....
Explanation:
Meters is used for height, Newton's for force...
once the blastocyst attaches to the uterine wall, the mass of cells become known as a(n) multiple choice question. endoderm. cell. zygote. embryo.
Answers
The correct answer is embryo. Once the blastocyst attaches to the uterine wall, the cells begin to differentiate into three germ layers: endoderm, mesoderm, and ectoderm, which will give rise to all the tissues and organs in the body.
At this point, the mass of cells is referred to as an embryo. The zygote is the single cell that forms when the sperm and egg fuse together, and it undergoes multiple cell divisions to become a blastocyst before implanting in the uterus. Thus, once the blastocyst has successfully implanted, it is considered an embryo, and further development and growth can begin.
Once the blastocyst attaches to the uterine wall, the mass of cells become known as an embryo. This process, called implantation, is when the blastocyst embeds itself into the uterine lining. The blastocyst is a structure formed in the early development of mammals, which consists of an inner cell mass and an outer layer called the trophoblast. The inner cell mass will eventually differentiate into three germ layers: ectoderm, mesoderm, and endoderm, which will give rise to various tissues and organs in the developing organism. The term "zygote" refers to the initial cell formed when two gametes (sperm and egg) fuse during fertilization, while "cell" is a more general term for any biological unit.
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the term means urinary incontinence during sleep. it is also known as bed-wetting.
Answers
Nocturnal enuresis is the term used to describe urinary incontinence during sleep, commonly referred to as bed-wetting.
It is characterized by the involuntary release of urine during nighttime sleep, typically in children. Nocturnal enuresis can have several underlying causes, including delayed maturation of the bladder, hormonal imbalances, genetic factors, or psychological factors.
It is important to note that nocturnal enuresis is not a deliberate behavior or a sign of laziness or disobedience. Treatment options for nocturnal enuresis may include behavioral techniques, such as bedwetting alarms and nighttime voiding schedules, as well as medication in certain cases.
Understanding and providing support for individuals experiencing nocturnal enuresis is crucial in managing the condition and promoting overall well-being.
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What is most likely to result immediately after a rainforest in Brazil is clear-cut?
Answers
Secondary succession
Which statement is true?
A.
In a regulated market, consumers can choose their energy utility provider.
B.
In an unregulated market, consumers can choose their energy utility provider.
C.
In a regulated market, the FERC fixes the price of electricity that consumers pay.
D.
In an unregulated market, the state's public utilities commission fixes the price of electricity that consumers pay.
Answers
Answer:
b
Explanation:
List 3 separate facts about the 2 different types of changes in matter
Answers
Physical changes alter physical properties, but not the chemical composition. Chemical changes alter the chemical composition, resulting in new properties. Physical changes can often be reversed, while chemical changes cannot.
Sure! Here are three separate facts about the two different types of changes in matter:1. The first type of change is called a physical change. This means that the substance's physical properties may change, but the chemical composition stays the same. Examples of physical changes include melting, freezing, and cutting.
2. The second type of change is called a chemical change. This means that the chemical composition of the substance changes, resulting in a new substance with different properties. Examples of chemical changes include burning, rusting, and baking.3. One key difference between the two types of changes is that physical changes can often be reversed, while chemical changes cannot. For example, if you melt an ice cube, you can refreeze it to turn it back into a solid. However, if you burn a piece of paper, you can't reverse the chemical reaction that occurred.
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2. Isabel went in her friend's garden. This garden was full of flowering plants. She
enjoyed looking at them. She wonders why rose and bougainvillea plants were not
planted inside the fence. What structures protect them from predators?
A. their leaves are poisonous
B. they have unpleasant smell
C. they have sharp leaf blades
D. their stems have thorns that protect them
Answers
Answer:
Option D is the correct answer
Their stems have thorns and protect them
The act of avoiding an immediately enjoyable behavior in the hopes of getting an even better reward at a later time.
Answers
The act of avoiding an immediately enjoyable behavior in the hopes of getting an even better reward at a later time is delayed gratification.
What is delayed gratification?
Delayed gratification is the act of resisting an impulse in order to take an immediately available reward in the hope of getting a more-valued reward in the future.
An example of delayed gratification is saving money for retirement instead of spending it now.
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can nonliving things share some characteristic with living things explain your answer
Answers
Answer:
yes they can like nutrition vehicles are none living yet they need fuel to move while we need food vehicles excrete or emmit smoke while we excrete waste productsAnother name for a fertilized egg is a
Answers
Answer: The fertilized ovum, now called a zygote, is ready for the first mitotic cell division.
what does it mean for a trait to be both polygenic and multifactorial?
Answers
When a trait is said to be both polygenic and multifactorial, it means that the trait is influenced by multiple genes (polygenic) and also by multiple environmental factors (multifactorial).
Polygenic traits are those that are determined by the interaction of many different genes, while multifactorial traits are those that are determined by a complex interaction between genetic and environmental factors. Examples of such traits include height, skin color, and susceptibility to certain diseases.
In these cases, the contribution of each gene and environmental factor to the trait is typically small, and the final expression of the trait is the result of the cumulative effect of all these factors.
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Which of the following is not an example of green infrastructure?
OUrban tree canopy
O Permeable pavement
Rainwater harvesting
Streets and parking lots
Answers
Answer:
Streets and parking lots
Explanation:
The example that is not an example of green infrastructure from the given options is Streets and parking lots.Green infrastructure refers to the network of natural and semi-natural features, green spaces, and ecological systems in cities and towns. It is an approach to managing stormwater runoff that emphasizes infiltration and the use of natural systems to filter pollutants from water.Green infrastructure helps to manage stormwater, improve air quality, and create healthier urban environments. It includes practices such as urban tree canopy, permeable pavement, and rainwater harvesting. Streets and parking lots, on the other hand, are not examples of green infrastructure.
Scientists have evidence that Glossopteris was found in what is now India, Antarctica, Australia, and Madagascar. What does this tell you about the position of the continents 225 million years ago?
Answers
Answer:
these continents were joined as a single landmass
Explanation:
Alfred Wegener proposed the 'Continental Drift Hypothesis' which stated continents were joined into a single great landmass called Pangaea. Pangea was a supercontinent that was assembled during the late Paleozoic and early Mesozoic eras, from about 330 to 200 million years ago. During the early Mesozoic, Pangea began to separate into continents observed today. It is for that reason that the same fossils can be found in very different geographic-climatic regions, evidencing that in the past continents were joined into larger landmasses.