which of the following statements is true of both membrane potential responses shown in the graphs?
Both responses are examples of graded potentials. Which are shown in graph
Graded potentials are produced by stimuli opening a gated channel and are local potentials. They cannot spread over long distances away from the stimulation. 1. Sodium ions enter cells, attracted to negative charges on inner membrane surfaces. As positive charges move outward, membrane potential moves toward 0 mV.
any change in electric potential of a neuron that is not propagated along the cell (as is an action potential) but declines with distance from the source. Kinds of graded potential include receptor potential postsynaptic potentials, and subthreshold potentials.
They include diverse potentials such as receptor potentials, electrotonic potentials, subthreshold membrane potential oscillations, slow-wave potential, pacemaker potentials, and synaptic potentials, which scale with the magnitude of the stimulus.
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What is the primary role of the reproductive system?
A) Provide energy for the system.
B) To ensure survival of the species.
C) Sense pain.
D) Enable mobility of the organisim
Answer:
I believe the answer is b
Explanation:
I took the test and had the same question
Invasive species have what affect on native populations when they exist in the same niche?
Answer: their population was affected
Explanation:
How does climate change affect species diversity
Answer: As climate change alters temperature and weather patterns, it will also impact plant and animal life. Scientists expect the number and range of species, which define the biodiversity, will decline greatly as temperatures continue to rise. The loss of biodiversity could have many negative impacts on the future of ecosystems and humanity worldwide. HOPE IT HELPS!!
Describe how very loud sounds can cause hearing loss
Answer:
If they are too loud itcan hurt the ear, and the certain parts of it that deal with hearigng are quit delicate, so they would be hurt if a sound was to loud, via the vibrations
Explanation:
Answer:
I'm not sure but I think if the sound is too loud then it affects sensitive areas of the ear
Martha bought a six pack of soda on Thursday. She promised her neighbor, Mr. Jimmy, that she would save the cans for him. What are they doing to help our ecosystem?
Answer:
They are potentially reducing and reusing, if he intends to do something with the cans.
Explanation:
1. Reducing by saving cans
2. Might reuse the cans for something like art maybe, reusing
Discuss the risks and benefits of teleworking during COVID-19. Support your answer with examples.
Teleworking during COVID-19 offers benefits such as reduced exposure to the virus and increased flexibility, but it also poses risks such as blurred work-life boundaries and decreased collaboration, emphasizing the need for balance and proactive measures to address challenges.
It offers both risks and benefits, which I will discuss below.
Benefits of teleworking during COVID-19 Pandemic:
Reduced exposure to the virus: Teleworking minimizes the risk of exposure to COVID-19 by limiting physical interaction and contact with others in the workplace. This can help prevent the spread of the virus among employees.
Increased flexibility and work-life balance: Remote work allows employees to have more flexibility in managing their work schedules. They can adapt their work hours to accommodate personal commitments and responsibilities, such as caring for family members or attending to household tasks.
Improved productivity: Some individuals find that working from home increases their productivity. The absence of commuting time and fewer workplace distractions can enable employees to focus on their tasks and achieve higher efficiency.
Cost savings: Teleworking can lead to cost savings for both employees and employers. Employees save on transportation costs, parking fees, and meals, while employers can reduce expenses related to office space, utilities, and supplies.
Risks of teleworking during COVID-19:
Blurred boundaries between work and personal life: Teleworking can blur the boundaries between work and personal life, making it challenging for employees to establish a healthy work-life balance. Without clear boundaries, individuals may find themselves working longer hours or experiencing difficulties in disconnecting from work-related responsibilities.
Social isolation and decreased collaboration: Remote work can result in social isolation, as employees have limited face-to-face interaction with colleagues. Lack of in-person collaboration and informal communication may impact teamwork, creativity, and the sense of belonging within the organization.
Technological challenges: Teleworking relies heavily on technology infrastructure and equipment. Technical issues, such as unstable internet connections, software glitches, or hardware malfunctions, can disrupt productivity and cause frustration for employees.
Increased risk of burnout: The absence of physical separation between work and home can lead to an increased risk of burnout. Overworking, excessive screen time, and lack of sufficient rest can contribute to stress, fatigue, and diminished well-being.
Examples:
An employee who teleworks during COVID-19 can avoid commuting on crowded public transportation, reducing their risk of exposure to the virus.A working parent can telework, allowing them to supervise their children's online learning while fulfilling their work responsibilities.Remote work may lead to improved productivity for individuals who can focus better in a quieter environment without workplace distractions.However, an employee who works from home may find it challenging to establish boundaries and ends up working longer hours, affecting their work-life balance.Social interactions and spontaneous collaboration may decrease when employees work remotely, impacting team dynamics and innovation.Learn more about COVID-19 Pandemic at
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During the summer of 1988, fires burned sections of the Everglades, leaving a patchwork of burned and unburned areas. In the year following the fires, wildflowers sprouted in all the burned areas, closely followed in subsequent years by seedlings of the trees that normally grow in the area. What changes in the ecosystem will take place during secondary succession
The changes that will take place in ecosystem during the course of succession is the flowers will eventually be shaded out by the trees and will not be able to grow. Option B.
An ecosystem is a structural and functional unit of ecology in which living species interact with one another and with their surroundings. An ecosystem, in other terms, is a series of interactions between creatures and their surroundings. A.G. Tansley, an English botanist, created the word "ecosystem" in 1935.
The Yellowstone fires of 1988 were the biggest wildfire in the history of Yellowstone National Park in the United States. Due to dry conditions and increased winds, the flames swiftly expanded out of control, uniting into numerous enormous conflagrations that lasted for several months. The flames almost damaged two main visitor locations, and the park was closed to all non-emergency workers for the first time in its history on September 8, 1988.
Only the coming of cold, damp weather in late fall put a stop to the flames. With various levels of intensity, 793,880 acres (3,213 km2), or 36% of the park, burnt.
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Complete question:
During the summer of 1988, fires burned much of Yellowstone National Park, leaving a patchwork of burned and unburned areas. In the year following the fires, wildflowers sprouted in all the burned areas, closely followed in subsequent years by seedlings of the trees that normally grow in the area, such as aspens and lodgepole pines. What changes in the ecosystem will take place during the course of succession?
answer choices
A. The flowers will shade out the small trees creating a permanent meadow.
B. The flowers will eventually be shaded out by the trees and will not be able to grow.
C. The trees will not grow well because of the toxic chemicals produced by the flowers.
D. The trees will take the nutrients that the flowers need, and the flowers will be stunted
In most animals, the ______ state of the life cycle is much larger than the ______ state.
In most animals, the diploid state of the life cycle is much larger than the haploid state.
What is haploid and diploid cells?In meiosis, a diploid cell gives rise to haploid cells and in fertilization, two haploid cells fuse to form a diploid zygote.
The haploid-diploid life cycle is a complex life cycle and has lots of variation. It is the common life cycle among plants as all land plants, the vascular plants and the bryophytes are haploid-diploid.
The diploid phase is that phase of the plant life cycle where the zygote develops after fertilization. The haploid life cycle is the simplest life cycle which is found in many single-celled eukaryotic organisms. Organisms with a haploid life cycle spend the majority of their lives as haploid gametes and When they fuse, they form a diploid zygote.
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A teacher is explaining to students that cells divide to make new cells. What theory is the teacher illustrating
A mitosis inhibitor is a medication that is designed to prevent mitosis in certain cells. Why would these be helpful in treatment of tumors?
"Mitosis inhibitors are used to stop cells from dividing and replicating. Tumors are made up of cells that have uncontrolled growth and division, so mitosis inhibitors can be helpful in the treatment of tumors because they can stop the cells in the tumor from dividing and growing. By preventing the tumor cells from replicating, the growth of the tumor can be slowed down or even stopped, which can be an important step in the treatment of cancer. Some examples of mitosis inhibitors include taxanes, vinca alkaloids, and paclitaxel, which are used in chemotherapy to treat a variety of cancers. However, it's worth noting that mitosis inhibitors can also affect healthy cells that divide rapidly, such as hair follicles and cells lining the gastrointestinal tract, which can cause side effects like hair loss and digestive problems." (ChatGPT, 2023)
5. What would be the consequence of treating the vector, before ligation, with calf intestinal phosphatase?
A. It would prevent the plasmid's DNA from reversing polarity during ligation.
B. It would prevent the ends of the plasmids from being ligated.
C. It would ligate the ends of the plasmids.
D. It would reverse the polarity of plasmids' DNA
The consequence of treating the vector, before ligation, with calf intestinal phosphatase will be B. It would prevent the ends of the plasmids from being ligated.
Calf intestinal phosphatase is a phosphatase enzyme that is derived from the intestine of the calf. The function of this enzyme is to remove the phosphatases present in the 3' and the 5' of a DNA segment by cleaving them.
Vectors, such as plasmids, are treated with the calf intestinal enzyme in order to prevent the plasmid from being ligated again. In order to add our gene of interest to the vector, the calf intestinal phosphatase is added so that the vector binds to the gene of interest rather than itself.
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the capacity to respond in a similar way to similar stimuli is known as
The capacity to respond in a similar way to similar stimuli is known as stimulus generalization.
Stimulus generalization refers to the tendency for stimuli that are similar to the original stimulus to also elicit a similar response. This can occur in a variety of situations, such as when a person learns to fear a specific object or situation and then experiences fear in response to similar stimuli. Overall, stimulus generalization plays an important role in how we learn and respond to the world around us. Stimulus generalization is a process in which a conditioned response is elicited by stimuli that are similar but not identical to the original conditioned stimulus. In other words, it refers to the tendency of a learned response to occur in the presence of stimuli that are similar to, but not identical to, the original stimulus.
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During the retreat of a glacier, pebbles and bare rock that were under the sheet are exposed to the air.
The land and rocks that the glacier had previously hidden are now exposed as the ice melts and the glacier recedes. These pebbles might be anything from small particles to massive boulders, and they may have been trapped inside the glacier or displaced by the ice as it moved.
The exposed rock and debris that the retreating glacier left behind are frequently unsorted and can create landforms like moraines, which are mounds of material that was deposited by the glacier. Because freshly exposed surfaces may experience weathering and erosion and because changes in the soil and vegetation may have an impact on plant habitats, the uncovering of previously buried rock and debris can also have substantial effects on the surrounding landscape and ecosystems.
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Which of the following can decrease the amount of carbon dioxide in the atmosphere?
Answer:
not sure
Explanation:
Mistletoe is a green plant that can make its own food, but also derives food from the mesquite tree on which it lives. In this way mistletoe is able to steal water and valuable minerals from the tree. 1. What is the advantage and disadvantage of this relationship to each organism? 2. What would happen to the mistletoe population if mesquite trees increase in number? 3. What type of symbiosis is this?
Answer:
1. Mistletoe is parasitic to the mesquite tree, it steals from the tree without giving anything valuable back to it. In this case, only the mistletoe gains an advantage.
2. If the mistletoe population on the tree were to increase, the mistletoe would probably end up slowly killing the tree. I say this because its a parasite to the tree. Its constantly stealing water and valuable minerals that it needs and doesnt give back anything that could help the tree. With all the water and minerals being stolen and an uneven rate with no way for the tree to replenish it all quickly enough it'll die.
3. Its parasitic since the mistletoe just takes and takes harmfully
Mistletoe plant is a parasite on the mesquite tree as it takes all the valuable minerals and water from the plant and does not give anything valuable in return to the mesquite tree.
What is Mistletoe plant?
Mistletoe plant is a parasite on the mesquite tree, it steals water from the tree without giving anything valuable back to it. In this case, only the mistletoe gains an advantage.
If the mistletoe population were to increase on the tree, the mistletoe plant would probably end up killing the mesquite tree. This is because it is a parasite to the tree. It is constantly stealing water and valuable minerals from the tree which it needs and doesn't give back anything valuable that could help the tree.
It is a parasite plant since the mistletoe plant just takes all the valuable minerals and water from the tree and thus is harmful.
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True or Ralse: Gravity holds planets in orbit because planets are attracted to each other's
gravitational force
Answer:
False
Explanation:
The planets orbit because of the suns gravitational pull
If humans change the function or equilibrium of one of Earth's systems, this will not change
the function or equilibrium of all of Earth's systems.
True
False
Answer:
False.
Explanation:
All of the things found in the Earth system can be categorized into four (4) main categories and these includes;
I. Land: this subsystem forms a sphere which is generally referred to as litosphere.
II. Water: this subsystem forms a sphere which is generally referred to as hydrosphere. It comprises of landforms such as mountains, valleys, plateaus, ridge, rocks, etc.
III. Air: this subsystem forms a sphere which is generally referred to as atmosphere. This sphere comprises of gases such as oxygen, carbon dioxide, nitrogen, etc.
IV. Living organisms: this subsystem forms a sphere which is generally referred to as biosphere. It comprises of all living things such as humans, animals and plants.
If humans change the function or equilibrium of one of Earth's systems, this will significantly change the function or equilibrium of all of Earth's systems. Consequently, these changes result in environmental phenomenon such as volcanoes, earthquakes, tornadoes, wildfire, etc.
Do spring tides have the lowest tides
Answer:
No
Explanation:
King tides are the highest tides. ... In the lunar month, the highest tides occur roughly every 14 days, at the new and full moons, when the gravitational pull of the Moon and the Sun are in alignment. These highest tides in the lunar cycle are called spring tides.
"Please indicate whether each phrase or acid is describing a saturated fatty acid, monounsaturated fatty acid, or polyunsaturated fatty acid. (12 points) Your answers must be spelled correctly for full credit.
Each carbon is bonded with two atoms of hydrogen
Oleic acid
Double bond occurs at only one point in the carbon chain
Alpha-Linolenic acid
Contains more than one double bond
Stearic acid"
Each carbon is bonded with two atoms of hydrogen: Saturated fatty acid.
- Oleic acid: Monounsaturated fatty acid.
- Double bond occurs at only one point in the carbon chain: Monounsaturated fatty acid.
- Alpha-Linolenic acid: Polyunsaturated fatty acid.
- Contains more than one double bond: Polyunsaturated fatty acid.
- Stearic acid: Saturated fatty acid.
Saturated fatty acids have each carbon atom in the carbon chain bonded to two hydrogen atoms, meaning there are no double bonds present. Therefore, the phrase "Each carbon is bonded with two atoms of hydrogen" describes a saturated fatty acid.
Oleic acid is a monounsaturated fatty acid because it has one double bond occurring at a specific point in the carbon chain. The phrase "Double bond occurs at only one point in the carbon chain" accurately describes oleic acid.
Alpha-Linolenic acid is a polyunsaturated fatty acid because it contains more than one double bond. The phrase "Contains more than one double bond" correctly describes alpha-Linolenic acid.
Stearic acid, on the other hand, is a saturated fatty acid because it lacks any double bonds. Therefore, the phrase "Contains more than one double bond" does not apply to stearic acid.
By identifying the presence or absence of double bonds, we can categorize the given fatty acids as saturated, monounsaturated, or polyunsaturated.
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HELPPPPP
solar cells can provide the energy to run calculators, outdoor lights and other devices. how does the conversion of light energy into stored electrical energy by solar cells compare to the process of photosynthesis?
Answer:
How does the conversion of light energy into stored chemical energy by solar cells compare to the process of photosynthesis? ... Photosynthesis uses solar energy to produce oils, glucose, and other complex carbohydrates that are stored as chemical energy.
Explanation:
Photovoltaic cells are an electrical device that converts light energy into electricity. It uses both chemical and physical phenomena.
Photosynthesis is carried by the plant cells where they take the energy from the sun and convert them into chemical energy.
In the process of photosynthesis, the light energy and the food gets converted into glucose, ATP and other complex molecules.Similarly, solar cells utilize light energy and store them in photovoltaic cells in the form of electricity.To learn more about the solar cells follow the link:
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What are the 3 importance of a$3xu4l reproduction?
Answer:
$e x ual reproduction is the process in which male and female gametes fuse through a process known as fertilization to produce offspring. $e xual Reproduction in plants involves the union of the male pollen with the female egg and results in the formation of seeds. It is very much important for evolution. $ ex u al Reproduction produces variable offspring creating diversity and variation among populations. It is important for plants as it provides variation to the progeny that helps in better survival and helps it to gain its own uniqueness within the species and remove the unwanted genes. By this process we can make a wanted progeny. For example we need a tall plant with blue flowers in a single plant, so for this we will cross the plant which is tall with the plant having blue flowers. During $ e x ual reproduction the genes of both plants combine and we'll get some progeny with desired characters (tall plant with blue flower).
Explanation:
after learning about allopatric speciation and sympatric speciation. what speciation would birds be?
Birds are an incredibly diverse and adaptive group of animals that can be found in a wide variety of habitats worldwide. As such, they exhibit a great deal of speciation, both allopatric and sympatric.
Allopatric speciation is a type of speciation that occurs when two populations of the same species become geographically isolated from each other and are no longer able to interbreed. This can occur due to physical barriers such as rivers, mountains, or deserts, or due to other barriers such as different behavior or different mating seasons. Over time, the two populations will evolve in different directions, eventually becoming two distinct species.
Sympatric speciation is a type of speciation that occurs when two populations of the same species become separated by something other than geography. This could be caused by different behaviors, different mating seasons, or even different diets. The two populations will then evolve in different directions, eventually becoming two distinct species.
Due to their ability to adapt to and inhabit a wide variety of environments, it is likely that birds have experienced both allopatric and sympatric speciation. Allopatric speciation is likely the most common form of speciation for birds, as physical barriers such as rivers, mountains, and deserts can easily separate populations and lead to geographic isolation. Sympatric speciation is also likely, as different bird species can have different behaviors, diets, and mating seasons which can lead to reproductive isolation and the formation of new species.
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Which Cell is Bigger an Onion cell or a Cheek cell? How do you know?
Answer:
An onion cell
Explanation:
Both are eukaryotic cell. An onion cell is a plant cell having cell wall but cheek cell is an animal cell lacking cell wall.
they are both cells but, Onion cell is a plant cell with a cell wall and a large vacuole. While the human cheek cell is an animal cell with a prominent nucleus. Onion cells are brick-like in shape while human cheek cells are rounded. Human cheek cells do not have a cell wall or a large vacuole.
Chromosomes duplicate during which part of the cell cycle?interphaseprophaselate prophaselate telophase
As the cell cycle is divided into two main stages, the chromosomes duplicate during interphase. Interphase is the first stage of the cell cycle where the chromosomes are duplicated. The correct option is a.
In the interphase stage, the cell grows, replicates its DNA, and prepares for the next stage of the cell cycle which is the mitotic phase.
The cell cycle includes two main stages, the interphase stage and the mitotic phase. The interphase is a period between the cell divisions. During this period, the cell replicates its DNA and grows in size.
The interphase is divided into three parts:
G1 phase: This phase follows cell division and is the period when the cell grows in size, makes additional organelles, and begins metabolic activities.
S phase: In this phase, DNA replication occurs. At the end of this phase, the cell has doubled the amount of DNA it contains.
G2 phase: This phase is the period when the cell prepares for the process of cell division. The organelles are duplicated and other proteins are synthesized.
The cell cycle's mitotic phase is the process of cell division that is separated into four phases. These phases are prophase, metaphase, anaphase, and telophase.
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List all the systems involved in each of the following scenarios:
Answer:
The 11 organ systems include the integumentary system, skeletal system, muscular system, lymphatic system, respiratory system, digestive system, nervous system, endocrine system, cardiovascular system, urinary system, and reproductive systems.
Explanation:
Hope this helps
Science activity 1.4.2
Answer:
You forgot to put your question. It happens just make sure to post the picture.
Explanation:
Have a nice day :)
Can you identify the different parts of the water cycle?
Complete the following sentence.
A qualified landscape architect will usually hold a college degree, may hold an advanced degree, and will often hold a ________ bestowed by a state board.
Answer:
bachelor's degree : ) it says my answer needs to be longer for some reason so here you go I guess lol
That nature contributes to the supply of clean water is an
example of:
Choose one option:
Sustainability
Ecosystem services
Biomimicry
Industrial symbiosis
Ecosystem services is an example of how nature contributes to the supply of clean water. Ecosystem services are benefits that people obtain from ecosystems. They are distinguished into four categories: provisioning, regulating, cultural, and supporting services.
Ecosystem services include the provision of clean air and water, the pollination of crops, the mitigation of natural disasters, and the provision of recreational opportunities. Nature provides a variety of ecosystem services that are essential to human well-being. The supply of clean water is an example of ecosystem services. The water we drink comes from rivers, lakes, and underground aquifers that are replenished by rain and snowmelt.
These freshwater ecosystems not only provide us with water but also with food, fiber, and recreation opportunities. That nature contributes to the supply of clean water is an example of ecosystem services. Ecosystem services are benefits that people obtain from ecosystems.
The supply of clean water is one such service provided by nature, and it is essential for human well-being. The water we drink comes from rivers, lakes, and underground aquifers that are replenished by rain and snowmelt. These freshwater ecosystems not only provide us with water but also with food, fiber, and recreation opportunities.
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