which extra pyramidal tract is actually involved in voluntary movement?
Answers
The extrapyramidal tract that is primarily involved in the voluntary movement is the basal ganglia.
The basal ganglia are a group of subcortical nuclei located in the brain, including the caudate nucleus, putamen, globus pallidus, substantia nigra, and subthalamic nucleus. These structures work together to regulate and refine voluntary motor control, balance, and coordination.
In the context of voluntary movement, the basal ganglia play a crucial role in processing and integrating information from various regions of the brain, such as the motor cortex and the thalamus. This information exchange allows for the initiation, execution, and modulation of voluntary movements, while also preventing unwanted movements.
The basal ganglia achieve this through two major pathways: the direct and indirect pathways. The direct pathway promotes desired movements by facilitating the activity of the motor cortex. Conversely, the indirect pathway inhibits undesired movements by suppressing the activity of the motor cortex. The balance between these two pathways ensures smooth and coordinated voluntary movements.
In summary, the basal ganglia, as part of the extrapyramidal tract, play a vital role in controlling and refining voluntary movement. They work in concert with other brain regions to ensure the proper execution of desired movements while inhibiting unwanted ones.
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Related Questions
20 Points! ANSWER ASAP!
Why were woolly mammoths forced to migrate north as the North American climate warmed 16,000 years ago?
O Woolly mammoths were vulnerable to diseases and so migrated away from them.
O Thick fur was an advantage in colder climates but harmed them in warmer climates.
O Predators moved in and drove the woolly mammoths to safer lands further north.
O Overhunting by humans drove woolly mammoths northward.
Answers
Answer: B, “Thick fur was an advantage in colder climates but harmed them in warmer climates”
Explanation:
I took the test and got a 100%
Large, shaggy, prehistoric elephants known as woolly mammoths flourished throughout the Pleistocene Epoch (between 2.5 million and 11,700 years ago). Because they were adapted to dwell in cold regions and could not thrive in the warmer climate 16,000 years ago, woolly mammoths were forced to migrate north as North America's climate warmed.
The flora that woolly mammoths relied on for sustenance decreased in abundance as the climate warmed, making it harder for them to stay alive in their current habitats. As a result, they were compelled to move to locations farther north where the climate was still favourable for their existence.
So, the correct option is A.
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caffeine is known to alter transmembrane movement of ca 2. what are two possible sites at which caffeine is acting? (again, this is a nerve and muscle preparation.)
Answers
Caffeine is known to alter the transmembrane movement of Ca⁺², the two possible sites at which caffeine is acting are the voltage-gated Calcium channel and the adenosine receptors.
It is well known that caffeine has the ability to modify the transport of Ca⁺² across membranes. On the basis of this knowledge, the voltage-gated calcium channel is a possibility for functioning as the binding site for caffeine.
The adenosine receptors that are in the body are targeted by caffeine's effects. The inhibition of the activity of these receptors leads to the activation of neurotransmitter-containing vesicles. The neurotransmitter is released into the synaptic cleft by the vesicles in question. Dopamine and glutamate are two of the neurotransmitters that are made accessible after adenosine receptors have been inhibited.
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What are non-examples of climate
Answers
Answer:
Land use change
• Migration
• Political instability
• Population growth
• Unsustainable
development
• Overfertilization
• Lack of education
Explanation: hope this helps
Although your question is incomplete a general answer to your question non-examples of climate includes :
Migration
Political instability
Population growth and Lack of education
Climate is the prevailing weather conditions of a large region over a very long period of time. and examples of climate conditions includes ; Tropical , temperate ,desert and polar climate conditions.
While some non-examples of climate will include conditions like :
Migrationpolitical instabilitypopulation growth and lack of education.Non-examples of climate are activities not related to the prevailing weather condition in a region.
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assume that the global amount of radiocarbon is constant, and that decaying carbon-14 is continuously replaced in organisms when they are alive. however, once an organism dies, the amount of carbon-14 in it decreases continuously as it decays to nitrogen-14. a. the carbon in a buried peat bed has about 6% of the carbon-14 of modern shells. what is the age of the peat bed? explain.
Answers
The peat bed is approximately 4,429 years old.
The age of the peat bed can be calculated using the following formula:
Age = t * ln(R_0/R)
Where:
t is the half-life of carbon-14, which is approximately 5,730 years.R_0 is the initial ratio of carbon-14 to carbon-12 in the sample, which is approximately 0.01 in modern shells.R is the current ratio of carbon-14 to carbon-12 in the sample, which is approximately 0.006 in the peat bed (6% of the carbon-14 of modern shells).Plugging these values into the formula gives us:
Age = 5,730 years * ln(0.01/0.006)
Age = 5,730 years * 0.778
Age = 4,429 years
This method of dating, known as radiocarbon dating, is based on the fact that carbon-14 is continuously replaced in living organisms, but once an organism dies, the amount of carbon-14 in it decreases continuously as it decays to nitrogen-14. By measuring the ratio of carbon-14 to carbon-12 in a sample, it is possible to determine how long it has been since the organism died, assuming that the global amount of radiocarbon is constant.
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Which of the following is an example of incomplete dominance
Answers
This is because incomplete dominance is when the dominant trait does not completely mask the recessive trait, resulting in a blend of traits. Red and white combined creates pink, so incomplete dominance for these plants would result in pink flowers.
The conversion of pyruvate to acetyl coa is irreversible. Predict what would happen to fatty acids as a result of this.
Answers
The conversion of pyruvate to Acetyl CoA is irreversible. The fatty Acids will not be converted into carbohydrates and the product of this reaction is exergonic.
Why is the conversion of pyruvate to Acetyl CoA irreversible?Pyruvate dehydrogenases are cellular energy metabolisms that link glycolysis and amino acids to lipogenesis and citric acids.
Pyruvate dehydrogenase (PDH) yield an irreversible metabolic step because its under layer, pyruvate is anaplerotic or gluconeogenic, on the contrary acetyl-CoA is not.
This reaction is exergonic because of the formation citrate from Oxaloacetate and Acetyl CoA by citrate synthesis. This reaction releases a total of -31.4kJ/mol energy.
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Why does dna flow toward the positive side of the gel chamber?.
Answers
Answer:
DNA has a negative charge and is attracted by the positive side.
Explanation:
The DNA flows toward the positive side of the gel chamber because the positive side attracts DNA, which has a negative charge.
What is a DNA?The hereditary substance in humans and virtually all other animals is DNA, or deoxyribonucleic acid.
In conclusion, This means that in the gel chamber the laws of attraction still apply.The law that state that unlike charges attract.
Hence,The positive side attracts DNA, which has a negative charge.
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What does it mean to have a hypotonic solution?
Answers
Answer:
A hypotonic solution has a lower concentration of solutes than another solution. In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol. Due to osmotic pressure, water diffuses into the cell, and the cell often appears turgid, or bloated.
Answer:
alright so there's 3 kinds of solutions!
hypotonic, isotonic and hypertonic
basically a cell is in a hypotonic
solution if the concentration of water
inside the cell is LOWER than the concentration
outside the cell. Water diffuses from high
to low. Water enters the cell.
and this is talking about ions!
Which one of those besides the white one is correct?
Answers
Answer:
A and C are correct
Explanation:
C is correct and since A is the exact same thing just in different words it is also correct
Why is DNA an important molecule for our cells
Answers
Answer:
DNA is pivotal to our growth, reproduction, and health. It contains the instructions necessary for your cells to produce proteins that affect many different processes and functions in your body. Because DNA is so important, damage or mutations can sometimes contribute to the development of disease.
Please help ASAP, the first to answer will be marked Brainlyist. State one reason for the restriction of the construction of buildings near a meandering river on a coastal plain.
Answers
Answer: cuz someone could get hurt while on the site
Explanation:
Hereditary (genetic) information is stored inside what part of the cell?
Answers
Answer: Nucleus
Explanation: information is stored in the nucleus of the cell
The following is a list of the steps that occur in the production of an auditory sensation.
1. The pressure wave distorts the basilar membrane on its way to the round window.
2. Movement of the tympanic membrane causes displacement of the malleus.
3. Displacement of the stereocilia stimulates sensory neurons of the cochlear nerve.
4. Movement of the malleus causes movement of the incus and stapes.
5. Distortion of the basilar membrane forces the hair cells of the organ of Corti toward or away from the tectorial membrane.
6. Movement of the oval window establishes pressure waves in the perilymph of the vestibular duct.
The proper sequence for these steps is:_____.
a. 2, 4, 6, 3, 5, 1.
b. 2, 4, 1, 6, 5, 3.
c. 2, 1, 4, 6, 5, 3.
d. 2, 5, 4, 6, 1, 3.
e. 2, 4, 6, 1, 5, 3.
Answers
movement of the tympanic membrane causes displacement of the malleus
cytoplasmic movements of the early human embryo: imaging and artificial intelligence to predict blastocyst development
Answers
The cytoplasmic movements of the early human embryo play a crucial role in blastocyst development. These movements involve the transportation of various molecules and organelles within the cytoplasm, ensuring proper cell division and differentiation. Recent advancements in imaging technology and artificial intelligence (AI) have allowed scientists to study and predict blastocyst development more accurately.
Imaging techniques such as time-lapse microscopy provide detailed insights into the cytoplasmic movements during embryo development. By tracking the dynamic changes in cellular structures and movements, researchers can analyze the correlation between specific cytoplasmic patterns and successful blastocyst formation.
AI algorithms have been developed to analyze large datasets generated from time-lapse imaging. These algorithms can detect subtle changes in cytoplasmic movements and predict blastocyst development with high accuracy. By identifying the optimal cytoplasmic dynamics associated with successful development, AI systems can provide valuable insights to improve embryo selection in assisted reproductive technologies.
In summary, imaging techniques and AI have become powerful tools in studying cytoplasmic movements and predicting blastocyst development. These advancements hold promise for improving the success rates of fertility treatments and enhancing our understanding of early human development.
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while living on the beach for the summer, a college student decides to make several personal changes. first, she goes to the tanning salon to get a good tan. she then visits a tattoo parlor to get a cute tattoo on her wrist. she also frequents a gym, toning her muscles. lastly, she gets a perm, turning her hair curly. how many changes in allele frequency occurred in the student during this summer of change?
Answers
Based on the given scenario, the changes mentioned do not directly involve alterations in the genetic material or alleles of the college student. The changes described, such as tanning, getting a tattoo, toning muscles, and getting a perm, are all temporary or superficial changes that do not affect the student's DNA sequence or allele frequencies.
Allele frequency refers to the proportion of a particular allele in a population. It can change over time due to various factors like mutation, natural selection, genetic drift, or migration.
Allele frequencies can change over time due to various factors. One of the main factors is natural selection, where certain alleles provide a selective advantage, increasing their frequency in subsequent generations. Genetic drift, which refers to random changes in allele frequencies due to chance events, can also impact allele frequencies, particularly in small populations.
Therefore, the changes described in the scenario are unrelated to genetic changes or alterations in allele frequency.
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1. What are the 2 ways producers can produce food energy?
Answers
Answer:
Photoautotrophs and Chemoautotrophs.
Explanation:
The Photoautotrophs process uses sunlight or photosynthesis.
The Chemoautotrophs process uses chemicals.
Respond with at least 120 words.
Find a scientific or news article that provides examples of
selective breeding and let us know why you chose it.
Answers
I have chosen an article titled "Selective Breeding in Livestock: Advantages, Limitations, and Applications" published in the journal Frontiers in Genetics.
The article "Selective Breeding in Livestock: Advantages, Limitations, and Applications" offers a valuable exploration of selective breeding practices in livestock. It discusses the advantages of selective breeding, such as the improvement of desirable traits, increased productivity, and disease resistance. The article also addresses the limitations and challenges associated with selective breeding, including reduced genetic diversity and potential negative effects on animal welfare in GMO technologies. Moreover, the article presents various real-world examples of selective breeding in livestock, ranging from dairy cattle and poultry to pigs and sheep. These examples highlight the practical applications of selective breeding techniques in achieving specific breeding goals and meeting the demands of the livestock industry.
I chose this article because it provides a comprehensive and scientifically grounded examination of selective breeding in the context of livestock. It offers a balanced view by discussing both the benefits and limitations of this practice. Additionally, the inclusion of real-world examples adds practical relevance to the topic. Overall, this article serves as a reliable and informative resource for understanding the concepts and applications of selective breeding in livestock.
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Whale primary functions
Answers
The primary functions of whales include feeding, reproduction, communication, and migration.
Whales are primarily filter feeders or predators, depending on the species.
Filter-feeding whales, such as baleen whales, have baleen plates in their mouths that allow them to filter out small prey, such as krill or small fish, from large volumes of water.
Predatory whales, such as toothed whales, hunt and feed on various marine organisms, including fish, squid, and marine mammals.
Reproduction is another important function for whales. Most whale species have a gestation period of several months, with females giving birth to a single calf.
The calves are nursed with milk from their mothers and rely on their care for a period of time until they become independent.
Communication is vital for whales, as they rely on vocalizations to communicate with other members of their pod.
Whales produce a variety of sounds, including songs, clicks, and whistles, which serve purposes such as mating, social interactions, and navigation.
Migration is a common behavior observed in many whale species. Whales undertake long-distance migrations, often covering thousands of kilometers, to reach feeding grounds in nutrient-rich waters or to reproduce in specific breeding areas.
These migrations are driven by seasonal changes in food availability and environmental conditions.
In summary, the primary functions of whales encompass feeding, reproduction, communication, and migration, all of which are essential for their survival and successful adaptation to their marine environments.
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A molecule that has regions of partial positive and partial negative charge
A) polar
B) hydrogen bond
C) surface tension
D) universal solvent
E) adhesion
Answers
Answer:
A) polar
Explanation:
Polar molecules contains partial positive and partial negative charge as in all polar molecules two atoms have unequal sharing electron. Due to unequal sharing of electrons, one atom that attracts valence electrons strongly gains positive charge and other gain negative charge.
For example water, water is a polar molecule having partial negative and partial positive charge because the oxygen atom in water attracts electrons more strongly than the hydrogen atoms.
Hence, the correct answer is "A) polar".
Matt has sustained damage to his anterior cingulated cortex. What sort of disruptions in behavior would we expect to see as a result of this damage
Answers
Damage to the anterior cingulated cortex can cause a disruption in behavior such as difficulty in decision making and problem solving, difficulty regulating emotions, difficulty with multitasking, and impulsivity.
The anterior cingulate cortex plays a major role in executive function, which is the ability to plan, initiate, and monitor one’s own behavior. Damage to this region of the brain can cause difficulty with emotional regulation and impulse control.
People with damage to the anterior cingulate cortex often struggle to make decisions and can become easily overwhelmed in complex situations. They may also have difficulty multitasking, as well as difficulty controlling their emotions in certain situations.
Overall, damage to the anterior cingulated cortex can lead to disruptions in behavior such as difficulty making decisions, difficulty with multitasking, impulsivity, and difficulty with emotional regulation.
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How would the food web be impacted if the zooplankton population
decreased?
Answers
Answer:
Plankton are also very important because they help make the air we breathe. If all the plankton disappeared it would increase the levels of carbon in our air, which would not only accelerate climate change, but also make it difficult for humans to breathe. It would impact the food web in ways that could make it collapes
Explanation:
Through their birth, growth, death and decay, plankton create global carbon. Half of the oxygen bubbling out of zooplankton is floating in the seas. Plankton are the principal producers of atmospheric oxygen.
dos semejanzas y tres diferencias, entre los postulados griegos, y los postulados de Van Helmont y Needham de las teorías abiogenistas
Answers
Plant and animal cells are both eukaryotic. Using the model, identify the similarities between the two cells.
Question 3 options:
Both have a plasma membrane, ribosomes, mitochondria, and centrioles.
Both have a plasma membrane, ribosomes, mitochondria, and golgi apparatus.
Both have a cell wall, ribosomes, mitochondria, and endoplasmic reticulum.
Both have a mitochondria, nucleus, endoplasmic reticulum, and chloroplasts.
Answers
Answer:
Both have a plasma membrane, ribosomes, mitochondria, and golgi apparatus.
Explanation:
Animal cells don't have a cell wall nor chloroplasts. Centrioles are exclusive to animal cells.
Plant and animal cells both are eukaryotic.
The similarities between the two cells are that both have plasma membrane, ribosomes, mitochondria and golgi apparatus.
Major differences between plant and animal cellsPlant cells contain cell wall which maintains the integrity of the cell as well as protect the plant cell.
whereas, animal cell lack cell wall.
Plant cell contain chloroplast to carry out photosynthesis and make their own food.Whereas, an animals are heterotrophic that relies on plants for the
nutrients.
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Which of the following is NOT a function of an antibiotic?
A. targeting the ribosome that inhibits protein synthesis, causing the cell to not function correctly
B. attacking the mitochondria, inhibiting the production of sugars that give the cell energy
C. inhibiting the production of the cell wall and breaking down what is present
Answers
Answer:
B. attacking the mitochondria, inhibiting the production of sugars that give the cell energy
Explanation:
Antibiotics can't attack on the mitochondria of the cell because mitochondria provides energy to the cell. Mitochondria is also known as power house of the cell means that it provides energy to the cell in order to continue its activities. If antibiotic attack on mitochondria of the cell, the cell has no energy for performing its activities that leads to cell death so that's why we can say that antibiotic can't attack on the mitochondria of the cell.
The pull of the moon on Earth's tidal bulge is causing _____.
Answers
Answer:
High tides and low tides are caused by the moon. The moon's gravitational pull generates something called the tidal force. The tidal force causes Earth—and its water—to bulge out on the side closest to the moon and the side farthest from the moon. These bulges of water are high tides.
Explanation:
hope this helps you :)
Answer:
oceans to bulge
Explanation:
The moon appears full when the Earth is between the moon and the sun. In both cases, the gravitational pull of the sun is "added" to the gravitational pull of the moon on Earth, causing the oceans to bulge a bit more than usual. This means that high tides are a little higher and low tides are a little lower than average.
Why is it that I can't see when I close my eyes? please give scientific explanation!
Answers
IF YOUR GOOD AT SCIENCE PLS HELP ME OUT ILL Mark Brainliest:)
Answers
Answer:
arizona and california
It is California & Arizona!
ArizonaArizona gets huge amount of sunlight. That's why Arizona is burning in the summer. During the summertime in Arizona, It can reach as hot as 120°F! It also ranked as No. 1 in the All-Time Record Maximum Temperature by State! In Lake Havasu City, it reached 128 °F! Arizona is also known for having heatwaves. About 76 people died during one of Arizona's heatwaves in 2014.
CaliforniaCalifornia is another state that gets a lot of sunlight. Since California gets high amounts of sunlight, most hurricanes form by California and Arizona. In September 6, 2020 California had recent a heatwave that broke out in several locations in Southern California. It reached 121 °F (49 °C), and a woman died while hiking.
That's all! Thanks for asking this question!what is the general term used to describe the viral component that binds to a host cell for attachment?
Answers
Viral receptors are the general term used to describe the viral component that binds to a host cell for attachment purposes.
When referring to a particular molecule or structure that aids in viral attachment on the surface of host cells, the word "receptor" should be used. The molecule(s) on the surface of the virus that binds to the receptor is referred to as "ligands." The term "viral envelope" refers to the structure that surrounds the capsid of certain viruses. All viruses use a specific type of glycoprotein to bind to viral receptors on their host cells, which are cellular molecules.
Once a virus has attached itself to and entered the host cell by breaking through the cell wall or membrane, viral replication can start. The protein covering the viral genome is removed, and the viral genome is then injected into the host cell.
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What does an alcoholic beverage contain that is a central nervous system depressant? 
Answers
Answer:
interferes with release of neural transmitter GABA
Explanation:
Alcohol is a central nervous system depressant, meaning it slows down brain functioning and neural activity. Alcohol does this by enhancing the effects of the neural transmitter GABA
depressants essentially "look" like the neural transmitter and so they go in and block the plasce in the brain between synapses, so when the body tries to release GABA, it appears as if it is already filled in, but in reality it is the alcohol that has filled it. once they start buidling up, they block enough that it impairs brain activity
Answer:
GABA
Explanation:
gamma-aminobutyric acid (GABA)
The diameter of most animal and plant cells ranges from
10 to 100 micrometers.
0.1 to 1.0 micrometers.
100 to 1,000 micrometers.
1.0 to 10 micrometers.
Answers
The diameter of most animal and plant cells ranges from ''10 to 100 micrometers.''
The cell is the fundamental and essential unit of life. Cells are composed of a variety of biomolecules and organelles, each with its distinct function. Despite this, cells can only exist if they are in contact with other cells.
Cells range in size, with some being just a few nanometers in diameter and others being millimeters in length. The diameter of most animal and plant cells ranges from 10 to 100 micrometers.
In conclusion, the correct answer is ''10 to 100 micrometers.''
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