An inhibitory postsynaptic potential (IPSP) occurs in a membrane made more permeable to _______. A. potassium ions B. sodium ions C. ATP D. all neurotransmitter molecules
Answers
The Correct answer for this question is Potassium ions.
What is an inhibitory postsynaptic potential (IPSP)?
The opening of chloride channels, on the other hand, causes an inhibitory postsynaptic potential, or IPSP. Because chloride has an equilibrium potential of -65 mV, when chloride channels open at -60 mV, electrochemical gradients drive chloride into the cell. Chloride introduces a negative charge into the cell, causing the membrane potential of the cell to become more negative, or hyperpolarize. This is referred to as hyperpolarization because the cell's membrane potential shifts away from 0 mV and the membrane becomes more polarized. An IPSP reduces the likelihood of a neuron firing an action potential, making this ion flow inhibitory.
Therefore, an IPSP is an inhibitory change in the membrane potential of a postsynaptic neuron.
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Related Questions
Day 1 Values and beliefs
What is the difference between a value and a belief?
Answers
Belief: something you know it is true and have trust that it is true
A heterozygous brown hair person is crossed with a homozygous blonde hair person. What are the genotypes and phenotypes of the offspring?
Answers
A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of: Sympatric speciation. Iterative evolution Evolutionary drift Genetic drift Lamarckian evolution
Answers
The correct answer is iterative evolution. A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of iterative evolution.
Iterative evolution is the development of similar structures or forms independently over time in separate lineages. This is frequently seen in unrelated lineages of organisms that evolve similar features through convergent evolution. The crocodile-like morphology that evolved independently in Triassic reptiles called phytosaurs and later in true crocodiles is an example of iterative evolution as they evolved independently in separate lineages. The ability of the phytosaurs to thrive in an aquatic environment likely contributed to the development of this morphology, which later allowed true crocodiles to similarly thrive.
Phytosaurs as flying birds:
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does anyone know the name for this?
push down right above that red dot and a circular thing will pop out where the red dot is, does anyone know the name of it??
Answers
Answer: Wrist
Explanation: The wrist connects the hand to the forearm. It consists of the distal ends of the radius and ulna bones, eight carpal bones, and the proximal ends of five metacarpal bones. This arrangement of bones allows for a wide range of movement.
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Carbohydrates are sources of immediate energy for organisms such as animals and plants. Lipids are sources of stored energy within organisms, such as you. In no more than three sentences, describe the basic molecular composition of each macromolecule and state which molecule possesses more energy per molecule.
Answers
Carbohydrates are biomolecules that consist of monomeric subunits called monosaccharides; whereas lipids are composed of fatty acids and glycerol. Lipids have more energy than carbohydrates.
Lipids contain 9 kcal per gram, whereas carbohydrates contain only 4 kcal per gram.Carbohydrates are biopolymers composed of monosaccharides (i.e., their monomeric subunits), which are linked via glycosidic bonds.For example, starch is a polysaccharide composed of a long chain of glucose molecules linked by glycosidic bonds.Lipids represent a broad category of biomolecules composed of a glycerol backbone and fatty acids.Some examples of lipids include phospholipids and cholesterol.Learn more in:
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a 15. Which of the following statements is correct about the cell cycle? a. When the S (DNA replication) phase of the cell cycle is finished, a cell has twice as much DNA in the G1 phase b. The cell cycle is a series of many replications and divisions that produces a new cell c. The phases of the cell cycle are GI, S (DNA replication), and M phases d. In actively dividing cells, only the S (DNA replication) and G2 phases are collectively known as interphase e. During G2 phase, the cell grows and copies its chromosomes in preparation for cell division W22 C. Bouazza, Dawson College
Answers
The correct statement about the cell cycle is: during the G2 phase, the cell grows and copies its chromosomes in preparation for cell division.
During the G2 phase of the cell cycle, which follows the S phase (DNA replication), the cell continues to grow and prepare for cell division. It synthesizes necessary proteins and organelles, and duplicates its chromosomes. The G2 phase acts as a checkpoint to ensure that DNA replication has occurred correctly before entering the next phase, mitosis (M phase). Thus, statement e correctly describes the activities that take place during the G2 phase in preparation for cell division.
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your parents' car was accidentally incinerated, what would happen to it? A. It would be burned to a crisp B. It would be crushed down to half its original size C. It would be buried underground D. It would be hauled off by your town's sanitation department
Answers
Answer:
A) is the correct answer
a) aniline to 1,3,5-tribromobenzene: fill in the blank 1
Answers
Conversion:
a) aniline to 1,3,5-tribromobenzene: 2,4,6-tribromoaniline
To convert aniline to 1,3,5-tribromobenzene, we need to follow a multistep reaction. Here is one possible synthetic route:
Step 1: Bromination of aniline to form 2,4,6-tribromoaniline
The first step involves the bromination of aniline to form 2,4,6-tribromoaniline. This can be achieved by treating aniline with bromine (\(Br_2\)) and a strong acid, such as hydrobromic acid (HBr) or hydrochloric acid (HCl), under mild conditions. The reaction proceeds via electrophilic aromatic substitution.
The balanced chemical equation for the reaction is:
\(C_6H_5NH_2 + 3 Br_2 + 6 H_2SO_4\) → \(C_6H_2Br_3NH_2 + 6 H_2O + 6 H_2SO_4\)
Step 2: Conversion of 2,4,6-tribromoaniline to 1,3,5-tribromobenzene
The second step involves the conversion of 2,4,6-tribromoaniline to 1,3,5-tribromobenzene. This can be achieved by heating 2,4,6-tribromoaniline with copper powder (Cu) at high temperature in a sealed tube. The reaction proceeds via a reductive dehalogenation reaction, in which the copper powder acts as a reducing agent.
The balanced chemical equation for the reaction is:
\(C_6H_2Br_3NH_2 + 3 Cu\) → \(C_6H_3Br_3 + CuBr + Cu_2O + H_2\)
Therefore, the blank 1 can be filled with "2,4,6-tribromoaniline".
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give me the name of an animal that qualifies as a) a plankton, b) a nekton, and c) a benthos
Answers
Plankton: Copepods, Nekton: Dolphins, Benthos: starfish.
a) Plankton: An example of an animal that qualifies as plankton is a copepod. Copepods are small crustaceans that drift in the water column and are an important component of marine and freshwater planktonic communities.
b) Nekton: An example of an animal that qualifies as nekton is a dolphin. Dolphins are highly mobile marine mammals that actively swim and navigate through the water column. They have the ability to control their movement and are not passively carried by ocean currents like plankton.
c) Benthos: An example of an animal that qualifies as benthos is a sea star (starfish). Sea stars are bottom-dwelling organisms that live on or near the ocean floor. They are well-adapted to the benthic environment and use their tube feet to move along the seabed, feeding on a variety of organisms.
In summary, copepods are examples of plankton as they drift in the water, dolphins are examples of nekton as they actively swim, and sea stars are examples of benthos as they reside on the ocean floor.
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A student shines the light from a flashlight at two different surfaces. Where the light hits the first surface, the light looks just as bright as when it left the flashlight. Where the light hits the second surface, the light looks dimmer than when it left the flashlight.
Which table supports the student's observations of the light's behavior as it interacts with each surface?
Answers
Light reflects back at a single angle from a smooth surface. Rays of light that are reflected combine to create a smooth surface. This is known as specular reflection. Light behaves like a wave.
What does the study of light behaviour and interactions with materials entail?The Greek word "optis," which means "appearance," refers to the study of light's behaviour, characteristics, and interactions with matter. Understanding how visible, infrared, and ultraviolet light behaves is part of the study of optics.
What happens when light makes touch with material?Depending on the nature of the item and the light's wavelength, a light wave can be transmitted, mirrored, absorbed, refracted, polarised, diffracted, or scattered when it comes into contact with a surface.
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You saw a coworker collapse to the ground. You checked the scene for safety, checked the person for responsiveness and breathing, and sent someone to call 911. What should you do next?
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You saw a coworker collapse to the ground. You checked the scene for safety, checked the person for responsiveness and breathing, and sent someone to call 911 therefore the next thing to do is to perform a CPR.
What is CPR?This is referred to as Cardiopulmonary Resuscitation and it is an emergency lifesaving procedure performed when the heart stops beating.
It consists of chest compressions often combined with artificial ventilation in an effort to manually preserve intact brain function until further measures are taken to restore spontaneous blood circulation and breathing in a person who is in cardiac arrest.
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Societies may have different perspectives on the use of technology. Which
technological concern is likely to be most relevant for the people living in this
environment?
A. Finding better plastic for water bottles
B. Looking for ways to improve the quality of water
C. Looking for ways to obtain water from the ground
D. Finding better instruments for testing water
Answers
Answer:
C. Looking for ways to obtain water from the ground
Explanation:
The environment shown in the attachment above is a dry area (arid or semi-arid area), as we can see the few vegetation in the environment are very scanty and dispersed.
Water resources in such environment is scarce and difficult to obtain. Thus, people who live in such environment would be very likely to use technology to solve the problem of getting water from the ground.
The most likely concern if the people in such environment would be: "C. Looking for ways to obtain water from the ground"
Answer:
C
Explanation:
which of the following is a physical security measure?
Answers
Industrial camouflage is a physical security measure. The correct option is C.
Physical security measures are implemented to protect physical assets, premises, and individuals from unauthorized access, theft, or damage. They involve tangible and visible measures that act as deterrents and provide a physical barrier to potential threats.
1. Secured Socket Layer (SSL): SSL is a cryptographic protocol that provides secure communication over networks, typically used to secure online transactions and sensitive data transmission. While SSL ensures secure communication, it is not considered a physical security measure as it primarily focuses on securing data in transit.
2. Full Disk Encryption: Full disk encryption is a security technique that encrypts the entire contents of a storage device, such as a hard drive or solid-state drive. While it protects data from unauthorized access, it is a software-based security measure and not specifically classified as a physical security measure.
3. Industrial Camouflage: Industrial camouflage is a physical security measure that involves the use of visual techniques and materials to blend or conceal critical assets, facilities, or infrastructure. It aims to make them less noticeable or identifiable to potential threats, thereby enhancing their protection. Industrial camouflage can include techniques such as color matching, pattern blending, and camouflage paints to create a physical barrier and deter unauthorized access.
4. Packet Analysis: Packet analysis refers to the examination and analysis of network packets to understand network traffic, troubleshoot issues, or detect potential security threats. While packet analysis is an important aspect of network security, it is not classified as a physical security measure, as it focuses on analyzing data packets rather than physical assets or infrastructure.
In conclusion, among the given options, industrial camouflage is the physical security measure. It involves the use of visual techniques and materials to blend or conceal critical assets or infrastructure, providing a physical barrier and deterrent against unauthorized access or threats. Option C is the correct one.
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Complete Question:
Which of the following is a physical security measure?
A. Secured socket layer
B. Full disk encryption
C. Industrial camouflage
D. Packet Analysis
Why do we exist? Very hard question...
Answers
Answer:
We exist to see if we can past the test God gives us through our lifetime here on Earth. We exist because God put us here on Earth, with the first man being made of clay, and the first woman being made of the clay from the ribcage of the man.
Explanation:
We face many tests in our lives, whether we notice them or not. We are then given praises for passing tests and gain sins for failing tests and doing wrong.
Tests can come in many ways, such as picking up something that someone dropped, being polite, controlling anger, staying focussed, and more.
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secondary lymphoid organs question 1 options: include the bone marrow and thymus. are hematopoietic. are the site of b cell maturation. facilitate interactions between cells. are the site of t cell maturation
Answers
The secondary lymphoid organs "facilitate interactions between cells". The correct answer is (d).
What are secondary lymphoid organs?Secondary lymphoid organs are lymphoid tissues that contain mature lymphocytes, specialized cells that identify and eliminate pathogens, debris, and abnormal cells from the body. They assist in the development of the adaptive immune response by allowing lymphocytes to encounter and interact with antigens and other immune cells, resulting in the creation of a specific immune response.
The cells of the immune system are generated in primary lymphoid organs and then transported to secondary lymphoid organs, where they interact with one another and with antigens to develop into specialized cells capable of destroying pathogenic cells.
As a result, secondary lymphoid organs play an important role in the immune response's function and development, allowing the body to distinguish between self and non-self cells and combat pathogens that pose a risk to health.
Therefore, the correct option is (d).
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Why does the troposphere contain the most water vapor out of the atmosphere? Everywhere says that it does but why?
Answers
Answer:
The troposphere does contain the most water vapor out of the atmosphere
Explanation:
The troposphere does contain the most water vapor out of the atmosphere because the troposphere is where all the weather conditions like: rain cloudy, hurricanes take place and all the weather conditions have water vapor because most of the weather conditions have clouds, or water vapor.
Because plants release water during the transpiration process, the troposphere contains the most water vapour in the atmosphere. This remains here, and as a result rain forms.
What is the atmosphere?
The atmosphere is the earth's outer layer, which is further subdivided into troposphere, stratosphere, mesosphere, and so on. The troposphere is the part of the atmosphere closest to the earth, and it is where rain and clouds form.
The upper stratosphere is less disturbed and more stable than the troposphere, as less wind disturbance is seen here. In this layer, planes and jets are travelling. It has a special layer called the "ozone layer" that protects the earth from the UV light of the sun. The mesosphere is the coolest of these atmosphere layers.
The troposphere has disturbances such as those caused by winds; clouds form here. There are various gases, such as oxygen, carbon dioxide, nitrogen, water vapor, and so on. The water vapour is the result of transpiration from plants and evaporation from water bodies.
Hence, this troposphere layer contains water, because the water above it cannot remain liquid due to the increased temperature of the stratosphere.
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1. Sickle-cell anemia, though a debilitating mutation, has the additional effect of protecting those who have the mutation from severe malarial infection. What is this an example of?
a. A beneficial mutation
b. A design flaw
c. A co-infection
d. None of the above
Answers
Answer:
d none of the above
Explanation:
Which of the following is not an example of energy transformations in an ecosystem?
a. sunlight driving photosynthesis in plants
b. herbivores feeding on plants
C. predators feeding on herbivores
d. none of the above
Answers
Answer:
d. none of the above
Explanation:
Energy, which refers to the ability to do work, can exist in different forms. The process of changing energy from one form to another is called TRANSFORMATION OF ENERGY. In an ecosystem, all organisms require energy in order to perform their life processes. They acquire these energy in different forms and convert it to a usable form by their cells (chemical energy) in ATP.
For example, solar energy in Sunlight is used by plants to drive their photosynthetic process and change it to chemical energy in glucose. Also, predators and herbivores feeding on herbivores and plants respectively converts one form of energy to another. Hence, all options are examples of energy transformation. None of the above is the correct answer.
Answer:
I think the correct answer is d ,
because all of them are an example of energy transforming in an ecosystem.
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:)according to the complete replacement model, anatomically modern homo sapiens first appeared in africa ?
Answers
According to the complete replacement model, anatomically modern Homo sapiens first appeared in Africa. This model posits that anatomically modern humans (AMH) evolved in Africa around 200,000 years ago and then spread out across the world, replacing all other human populations that had already been there.
The complete replacement model is also known as the Out of Africa model. Scientists have proposed various models of human evolution over the years. The complete replacement model is one such model. According to this model, anatomically modern Homo sapiens first appeared in Africa and then replaced all other hominid populations, including the Neanderthals and other archaic humans, through migration and interbreeding. The Out of Africa model posits that modern humans evolved in Africa around 200,000 years ago and then migrated out to other parts of the world, replacing all other human populations that had already been there.
This model is supported by a wealth of archaeological and genetic evidence that shows that modern humans share a common African ancestry. Genetic studies have revealed that the genetic diversity of modern human populations is highest in Africa, which supports the idea that modern humans first evolved there and then spread out across the world. The genetic evidence also suggests that modern humans migrated out of Africa in waves, with the first wave leaving around 60,000 years ago and then spreading to other parts of the world over the next few thousand years.
There are, however, some limitations to the complete replacement model. For example, it cannot account for the fact that some populations, such as the Neanderthals and other archaic humans, lived alongside anatomically modern humans for thousands of years before disappearing. This has led some scientists to propose alternative models of human evolution that include interbreeding between modern humans and other hominids.
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_______ is considered the founder of the scientific method. (also see Biology timeline)
Answers
Answer:
Galileo Galilei
Explanation:
he is considered as the father of scientific method. The phyisict
why is California good for lavender plants?
Answers
Answer:
Lavender comes from the Mediterranean. The climate in California is very similar to that of the Mediterranean so its easier to grow lavender there.
Explanation:
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Alexis has six different pieces of jewelry to show and describe on a web page. Two are gold, and the rest are silver. Based on the principles of
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Alexis has six different pieces of jewelry to show and describe on a web page. Two of the pieces are gold, while the remaining four are silver. Based on the principles of visual hierarchy and contrast,
Alexis can strategically arrange and present the jewelry to enhance visual appeal and engagement. To create visual hierarchy, Alexis can place the gold pieces of jewelry in prominent positions on the web page. This can be achieved by featuring them at the top or using larger images or bolder text descriptions. By doing so, the gold pieces will immediately catch the viewer's attention and convey their significance.
To create contrast, Alexis can utilize color, shape, or size variations. Since gold and silver have distinct color differences, Alexis can leverage this contrast to make the gold pieces stand out. For example, she can use a different background color or border for the gold pieces, or showcase them alongside silver pieces to create a noticeable contrast.
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How is nuclear chemistry related to radioactive sickness?
Answers
Answer:
Radiation sickness is caused by exposure to a large dose of ionizing radiation over a short period of time, typically greater than about 0.1 Gy/h.
Explanation:
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when do daughter cells have the same karyotype as the parent cell they came from?
Answers
Daughter cells typically have the same karyotype as the parent cell they came from after undergoing mitosis.
During mitosis, the parent cell replicates its chromosomes, ensuring that each daughter cell receives a complete set of genetic material identical to the parent cell.
The replicated chromosomes then line up at the center of the cell, and the spindle fibers pull them apart into two identical sets, each set moving towards opposite poles of the cell.
This ensures that each daughter cell receives a complete set of chromosomes, with the same number and type of chromosomes as the parent cell. Therefore, the daughter cells are genetically identical to each other and to the parent cell. However, errors can occur during mitosis, resulting in genetic variation between daughter cells and the parent cell.
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1. Why did National Geographic choose Queens, New York to do their DNA sampling experiment?
2. What can DNA from cheek swabs tell people about their ancestors?
Answers
1. Due of its high genetic diversity, National Geographic decided to conduct their DNA sampling experiment in Queens, New York.
2. You can locate distant ancestors based on common DNA with just a simple cheek swab, no spit or blood required.
You can also get a percentage breakdown of your ethnic origins. Additionally, it is possible to confirm any known family ties. Analyzing DNA variants can reveal information about a person's ancestry and the connections between their family.
DNA is used as a molecular tool to determine our ancestry because each of our parents gives us one-half of our chromosomes. Small segments of DNA are sequenced during genetic testing rather than the entire genome of an individual.
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What is the difference between sex-linked traits and autosomal traits in humans?
Answers
The main distinction between sex-linked and autosomal inheritance is that the former happens through the genes on the sex chromosomes (X and Y chromosomes), whilst the latter occurs through the genes on the autosomes.
Because the X chromosome has many more genes than the smaller Y chromosome, the word is frequently used to describe features or illnesses that are caused by genes on the X chromosome in humans. Males are more prone than females to suffer from a sex-related illness because they only have one copy of the X chromosome. A genetic disorder or trait can be transferred from parent to kid via autosomal dominant inheritance. The genetic disorder can be brought on by one copy of a mutant (changed) gene from one parent.
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Match the statements below with the appropriate term. Delete the underline & replace it with the letter of your answer choice. Each letter/answer choice is used only once.
_____ 4. Stored chemical energy; sugar
_____ 5. The energy-carrying molecule that cells use for energy
_____ 6. Process that stores energy from sunlight into the chemical bonds of glucose
_____ 7. Organisms that make their own
_____ 8. All animals, fungi, and many protists
_____ 9. Organisms that must eat; another name for a heterotroph
_____ 10. Molecules that store energy in their chemical bonds
_____ 11. The site of photosynthesis
_____ 12. The site of cellular respiration
A. Mitochondria B. Chloroplast C. Cellular respiration D. Photosynthesis E. Energy F. Producers
G. ATP H. Glucose I. Autotrophs J. Heterotrophs K. Consumers L. Food
Answers
Answer:
H. Glucose
G. ATP
D. Photosynthesis
F. Producers
K. Consumers
J. Heterotrophs
L. Food
B. Chloroplast
A. Mitochondria
Explanation:
Answer:
H. Glucose
G. ATP
D. Photosynthesis
I. Autotrophs
K. Consumers
J. Heterotrophs
L. Food
B. Chloroplast
A. Mitochondria
(WILL GIVE BRAINLy) Select the correct answer.
The graph shows the percentage of dog breeds affected by elbow dysplasia, which causes dogs to limp. What’s the most likely explanation for the mixed breed’s disease incidence?
A.
It has low diversity in its genes.
B.
It has high diversity in its genes.
C.
It’s good at saving human lives.
D.
It doesn’t suffer attacks from wild predators.
E.
It lives comfortably with people.
Answers
Answer:
b. it has a high diversity in its genes
Explanation:
On the diagram below what is the name of region B?
Answers
Answer:
C. Parietal lobe
Explanation:
The parietal lobe is at the top region of the brain right behind the frontal lobe (A; the frontal lobe is at the front of the brain) and is for sensory perception/integration (i.e., processing sensory information (touch, taste, smell, temperature, etc.) from the outside world.
How is mitochondrial DNA
typing used in forensic science
Answers
Answer:
An unknown mitochondrial DNA (mtDNA) sample is matched to a sample of mitochondrial DNA (mtDNA) that was recovered at the scene.
Explanation:
Once a sample is collect, the mtDNA is then tested to see if it matches the mtDNA from the scene.
Answer: An unknown mtDNA sample is matched to a sample of nuclear DNA that was found at a crime scene.
Explanation: