Answer:
cell membrane
Explanation:
When a cell is placed in a hypotonic solution (water), water moves into the cell through the membrane, increasing the cell's volume. the cell's membrane is enlarged and pulls pressure it against the cell's rigid wall.
in conclusion the answer is cell membrane
1. Bacteria. Two bacteria were placed in a dish. The number of bacteria quadruples every hour. There are now 131,072 bacteria in the dish. How many hours have passed since the original two bacteria we
To determine the number of hours that have passed since the original two bacteria were placed in the dish, we can use the fact that the number of bacteria quadruples every hour.
Starting with two bacteria, we can observe the progression:
Hour 1: 2 bacteria
Hour 2: 2 x 4 = 8 bacteria
Hour 3: 8 x 4 = 32 bacteria
Hour 4: 32 x 4 = 128 bacteria
Hour 5: 128 x 4 = 512 bacteria
Hour 6: 512 x 4 = 2048 bacteria
Hour 7: 2048 x 4 = 8192 bacteria
Hour 8: 8192 x 4 = 32768 bacteria
Hour 9: 32768 x 4 = 131072 bacteria
Therefore, it took 9 hours for the number of bacteria to reach 131,072.
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The domestication of plants and animals in areas near the indus, huang he, nile, and tigris-euphrates rivers resulted in the development of villages and cities. The growth of early settled communities contributed to?.
The domestication of plants and animals resulted in the development of villages and cities. The growth of early settled communities contributed to the development of political and religious institutions.
The term "domestication" refers to taming an animal, growing plants for sustenance, making someone lovable and devoted at home, as well as undertaking chores related to that profession or vocation. The domestication of plants and animals in areas near the Indus, Huang he, nile, and tigris-euphrates rivers resulted in the development of villages and cities which in turn contributed to the development of political and religious institutions.
The domestication of animals refers to the mutual relationship between animals and humans who influence their care and reproduction. It means to adapt (an animal or plant) over time from a wild or natural state, particularly through selective breeding to live in close association with and to the benefit of humans.
Charles Darwin identified a select few characteristics that distinguished domesticated creatures from their wild progenitors. The process of domesticating wild flora and animals for human use. For food, labor, clothing, medicine, and a variety of other uses, domestic animals are raised.
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Which phrase is NOT a biotic factor affecting population growth of moose on Isle Royale?
a summer temperatures
b food availability
c infectious disease
d tick population growth
e wolf population size
The correct option is a. Summer Temperatures
Biotic factors are living or once-living components of an ecosystem that can have an impact on the population dynamics of organisms.
These factors can include other organisms, such as predators, prey, competitors, or pathogens. They directly or indirectly influence the growth, survival, and reproduction of individuals within a population.
a. Summer temperatures: Summer temperatures are an example of an abiotic factor, as they refer to non-living components of the environment. While temperature can influence moose behavior and physiological processes, it is not considered a biotic factor affecting their population growth.
b. Food availability: Food availability is a biotic factor that directly affects the population growth of moose. The availability of suitable food resources, such as browse (vegetation), impacts the moose population's ability to find adequate nutrition and can affect their reproduction, survival, and overall population size.
c. Infectious disease: Infectious diseases, caused by pathogens such as bacteria, viruses, or parasites, are biotic factors that can significantly influence population growth.
Diseases can spread within the moose population and lead to increased mortality rates, reduced reproductive success, and ultimately affect the population's growth and dynamics.
d. Tick population growth: Tick population growth is also a biotic factor that can impact moose population growth. Ticks are parasites that can feed on moose and transmit diseases. Increased tick populations can lead to higher rates of infestation, causing negative health effects on moose individuals and potentially affecting their population growth.
e. Wolf population size: The wolf population size is another biotic factor that can affect the population growth of moose. Wolves are natural predators of moose, and their population size directly influences predation rates.
When the wolf population is large, predation pressure on moose increases, potentially leading to reduced survival and population growth of the moose.
Biotic factors, such as food availability, infectious disease, tick population growth, and wolf population size, have more direct influences on moose population dynamics on the island.
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"If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, what product will be collected?"A. Transgenic bacterial plasmidsB. Hepatitus B frusesC. Hepatitus B vaccineD. Hepatitus resistant bacteria
If a scientist isolates genes for Hepatitus B antigens from a Hepatitus virus, then inserts them into a bacterial plasmid and replicates the bacteria in a fermenter, the product collected will be transgenic bacterial plasmids, inside the bacteria, in order to proove if the transgenic plasmid actually gives the bacteria resistance to the virus, it has to be grown in an infected medium.
The correct answer is option A.
what is the term for a medical condition, caused by statins, in which the muscle tissue becomes extremely inflamed, resulting in the breakdown of muscle?
Rhabdomyolysis is the term used for a medical condition, caused by statins, in which the muscle tissue becomes extremely inflamed, resulting in the breakdown of muscle.
A blood test that measures the enzyme creatinine kinase levels can be used to identify rhabdomyolysis or milder types of muscular inflammation brought on by statins. The terrible medical disorder known as rhabdomyolysis sometimes referred to as "rhabdo," can be deadly or leave a victim permanently disabled. Rhabdo is brought on by the release of proteins and electrolytes from injured muscle tissue into circulation.
These drugs can kill you or permanently disable you by harming the heart and kidneys. Due to direct or indirect muscular damage, rhabdomyolysis is a dangerous condition. It happens as a result of muscle fibers dying and releasing their contents into circulation. Serious side effects, including kidney failure, might result from this.
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How cloud computing reduces energy consumption?
Cloud computing can reduce energy consumption by optimizing the physical environment (think cloud computing facilities in cold climates), cutting the power spent to cool the servers.
Cloud computing has several advantages. B. Businesses can efficiently store, protect, and analyze large amounts of data. Cloud computing can significantly reduce energy consumption, waste, and greenhouse gas (GHG) emissions. The
data center is best known for cloud computing and contains a collection of servers that store business information and run applications.
Idle servers and resources in data centers waste a lot of energy. Energy is wasted when the server is overloaded. There are few techniques for load balancing, VM virtualization, VM migration, resource allocation, job scheduling, etc. used to solve the problem.
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A student observes a cell through a light microscope and correctly decides that it is a plant cell. What observation would lead to that conclusion?
It has a large, central vacuole. Onto the stage, place the glass slide. Make sure the cover slide doesn't move or break when you push it under the clips.
Once the cells are visible, gradually turn the coarse focus knob. When the cells are sharply in focus and visible, steadily turn the fine focus knob. There is no cell membrane in prokaryotic cells. The solution is easy, cells! Cells make up every living thing. In terms of cellular structure, a leaf and a beetle will appear similar when viewed under a microscope. Cells are the fundamental building block of function and structure in all living things, whether they have one or many.
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In the forest, you observe a monkey using its tail to hold its body as it moves through the trees. This monkey must be a
Cebus and the atelines are the groups of monkey that use its tail to hold its body as it moves through the trees.
Which type of monkey use its tail for movement?Two groups of monkey that use its tail to hold its body as it moves through the trees are the Cebus and the atelines. These monkeys have a long tail which is used as hand for movement.
So we can conclude that Cebus and the atelines are the groups of monkey that use its tail to hold its body as it moves through the trees.
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Please type a brief summary of what is going on with the air pollution and wildfire's in Nova Scotia. Explain how it relates to what we have been learning abut in science.
Air pollution and wildfires in Nova Scotia have impacted air quality, human health, and ecosystems, emphasizing the importance of environmental science and sustainable practices.
In recent times, Nova Scotia has been experiencing air pollution and wildfires, which are interconnected and relevant to what we have been learning in science. The air pollution in Nova Scotia can be attributed to various factors, including industrial emissions, transportation, and agricultural practices, which release pollutants into the atmosphere. These pollutants, such as particulate matter and harmful gases, contribute to poor air quality and can have detrimental effects on human health and the environment.The occurrence of wildfires in Nova Scotia exacerbates the air pollution issue. Wildfires release significant amounts of smoke, ash, and other pollutants into the air, leading to increased levels of air pollution and reduced air quality in the affected areas. These wildfires are often fueled by dry conditions, climate change, and human activities like improper disposal of flammable materials.From a scientific perspective, studying air pollution and wildfires allows us to understand the impacts of human activities and natural events on the environment. It highlights the importance of sustainable practices, such as reducing emissions and managing ecosystems, to mitigate the adverse effects of air pollution and prevent the occurrence and severity of wildfires. Additionally, it underscores the significance of monitoring air quality and implementing measures to protect public health and the well-being of ecosystems.For more such questions on Nova Scotia:
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The absorption of vitamin D can be improved when it is packaged in a formulation that is
water based.
oil based.
fiber based.
protein based.
28. A deficiency in what type of vitamin presents itself through symptoms of night blindness?
Cobalamin
Pyridoxine
Beta-carotene
Alpha-tocopherol
29. Which of the following foods is a dietary source of vitamin B12?
Eggs
Beans
Spinach
Rice
30. Which of the following is a dietary source of vitamin C?
Organ meats
Collard greens
Wheat germ
Dairy products
27. Oil-based.
28. Beta-carotene
29. Eggs
30. Collard greens
27. Vitamin D is a fat-soluble vitamin, and its absorption is enhanced in the presence of dietary fats or oils. Packaging vitamin D in an oil-based formulation helps facilitate its absorption in the digestive system.
28. Beta-carotene is a precursor of vitamin A and is important for maintaining good vision. A deficiency in beta-carotene/vitamin A can lead to night blindness, which is the inability to see clearly in dim light or at night.
29. Eggs are a dietary source of vitamin B12. Vitamin B12 is primarily found in animal-based foods such as meat, poultry, fish, eggs, and dairy products. It is less commonly found in plant-based foods.
30. Collard greens are a dietary source of vitamin C. Vitamin C is found in a variety of fruits and vegetables, including citrus fruits (such as oranges and grapefruits), strawberries, kiwi, bell peppers, broccoli, and leafy greens like collard greens.
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how does a calorie on a food label relate to a calorie that is produced in cellular respiration?
Answer:
Photosynthesis removes carbon dioxide from the atmosphere, and cellular respiration puts it back. Photosynthesis releases oxygen into the atmosphere, and cellular respiration uses oxygen to release energy from food. ... The Calorie used on food labels is equal to 1000 calories.
Explanation:I my dad and mom tell me that
Lichens (small green plants) growing on a large boulder release enzymes and other acids that slowly break the rock apart. This is an example of:Required to answer. Single choice. (1 Point) plant acids exfoliation abrasion
Answer:
plant acids
Explanation:
A lichen consists of a photosynthetic microorganism such as, for example, a photosynthetic green alga, which is surrounded by the filaments of a fungus. Moreover, chemical weathering is a gradual process where chemicals react with the minerals in the rock to form new minerals, oxidize or simply dissolve them. Lichens can lead to chemical weathering of rocks via the excretion of organic acids (e.g, oxalic acid) capable of dissolving minerals and chelating metallic cations.
22. Highlight the correct answer of each underlined pair. UV radiation has shorter longer
wavelengths and
lower/higher energy than visible light and infrared radiation.
Answer:
shorter and higher
Explanation:
UV is further along in the EM spectrum so has a higher frequency and shorter wavelengths than visible light.
Even numbers are recognized by: Select one: a. Most Significant Bit b. None of the options here c. 2's compliment bit d. Least Significant Bit e. No Bit
Even numbers are recognized by the Least Significant Bit (LSB). In computing, an even number can be recognized by checking the LSB of its binary representation. An even number always has a 0 in the LSB position, while an odd number has a 1 in the LSB position.
This is because the binary representation of an even number always ends in 0, while the binary representation of an odd number always ends in 1.For example, the number 8 in binary is 1000. The LSB in this case is 0, which indicates that the number is even.
Similarly, the number 7 in binary is 0111. The LSB in this case is 1, which indicates that the number is odd. Therefore, it can be concluded that even numbers are recognized by the least significant bit (LSB) of their binary representation, which is always 0.
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Using the dichotomous key above, what is the scientific name of this animal?a) Danaus plexippusb) Lithobates palustrisc)Turdus migratorius
A dichotomous key is a tool used to identify species, it gives you a sequence of characters to look at and we are offered multiple alternatives that lead us to the following choice until we identify the organism.
In this case, we can follow the key in this way:
1. a. It has a backbone.
Then we go to 3
3. b. Does not have gills and scales
We go to 4
4. a. Lay eggs.
We go to 5
5. a. Has feathers.
Is a Turdus migratorius (American robin)
Does psychology use scientific evidence?
YES, psychology uses scientific evidence to draw results and conclude outcomes.
Psychologists employ the scientific method in order to deduce results or conclusions. In psychology, first, the question or hypothesis is stated, then for which a theory is offered, and after that rigorous laboratory or field experiment is constructed in order to test the hypothesis. Psychologists apply the understanding obtained through research to build evidence-based strategies that solve problems and improve lives. Therefore, it is concluded that psychology is based on scientific evidence.
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If distance=rate x time, which of the following must also be true?
A- rate= distance x time
B- time= distance/rate
C- distance= rate/time
D- time= rate/distance
If distance = rate x time
then,
Time = Distance/Rate
Hence, Option B is correct.
Time is directly proportional to distance.
What is meant by Rate?The ratio of two related numbers expressed in several units is known as a rate in mathematics. If one of these numbers is used as the ratio's denominator and it is assumed that this quantity may be modified in a predictable way (i.e., is an independent variable), then the numerator of the ratio represents the rate of change in the other (dependent) variable.Speed, heart rate, and flux are examples of common rates that are expressed as "per unit of time." Exchange rates, literacy rates, and electric field are a few ratios that don't need time as the denominator (in volts per meter).A rate that is defined using two numbers of the same units will provide a dimensionless quantity that can be stated as a percentage, fraction, or multiple. Examples of these rates include tax rates and literacy rates.To learn more about Rate, refer to:
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can anyone help me withe these questions
Explanation:
roots absorbes water and transfers it to leaf
2.because roots absorb water and minerals for plant and if they are cut out then they won't be able to absorbe water and minerals for their survival.so they die
In here what's the meaning of
places a strain ?
Answer:
In this passage, I'm kinda sure that places a strain means pressure.
What is the sediment deposited by surface water?
Answer: Delta
Explanation:
A delta is the sediment deposited by the surface water. When the river flows it carries the sediments from the bedrock and also from the surface of the top layer of the soil. These sediments are deposited on a fan like formation that is called as delta. It leads to the development of a landform. It is the most fertile landform as the sediments are rich in mineral content that promote the growth of the plants. This develops when river enters into the ocean, estuary, reservoir, lakes, and any other water body supplying the sediments on the surface.
What is the difference between repeatability and reproducibility, give an example of each.
Repeatability is the likelihood that a single person can obtain consistent results while repeating the experiment multiple times. Reproducibility is the probability that multiple researchers can reproduce the same results using the same methods and materials.
The major difference between the two is the fact that repeatability is the capacity of a person to replicate the same results on the same data set using the same procedures. Reproducibility, on the other hand, is the ability of multiple researchers to get similar outcomes using different data sets, equipment, or methods.
Repeatability example: When a scientist conducts an experiment several times and obtains comparable results each time, this is referred to as repeatability. For instance, if a chemist weighs a sample ten times and gets the same weight each time, they have achieved repeatability.
Reproducibility example: If a scientist conducts an experiment, writes a report, and submits it to a scientific journal, and another researcher follows the methods outlined in the original report and obtains the same results, the experiment is said to be reproducible. In other words, it is the ability of an experiment to produce the same results when repeated by a different person or team.
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describe two examples from extant cetacean anatomy or development that reflect their ancestral past.
Cetaceans are a group of mammals that are known for their remarkable adaptation to an aquatic lifestyle. In extant cetacean anatomy or development, two examples that reflect their ancestral past are as follows:
1. Hind Limbs and Pelvis: The presence of hind limbs and pelvis in some cetaceans, such as whales and dolphins, is an example of their ancestral past. These structures are vestigial, meaning they are remnants of a time when cetaceans had hind legs and walked on land. Although these structures no longer serve a functional purpose, they provide evidence of the evolutionary history of cetaceans.
2. Hair: Another example of cetacean anatomy that reflects their ancestral past is the presence of hair in some cetaceans, such as whales and dolphins. Although these animals are completely adapted to an aquatic lifestyle, they still possess hair follicles. This is evidence of their mammalian heritage, as all mammals have hair at some point in their development. The presence of hair in cetaceans is an example of how evolution works - new adaptations arise over time, but old traits are often retained as remnants of a species' evolutionary history.
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whales have similar structures to mammals for both their front limbs and even back legs. however a well uses its front limbs to swim while mammals like horses use their front limbs to walk based on our live class are theses homologous structures or analogous structures ?
Energy flow through the ecosystem worksheets answers
Energy flow through the ecosystem is a process that involves the transfer of energy from one organism to another in an ecosystem. It is a fundamental process that drives the functioning of an ecosystem.
There are various worksheets available online to help students understand the concept of energy flow through the ecosystem. Some of the answers to these worksheets include:1. The Sun is the ultimate source of energy for all ecosystems.2. The energy from the Sun is captured by producers such as plants, which convert it into organic matter through photosynthesis.3. The energy stored in the organic matter of producers is transferred to consumers such as herbivores, which eat the plants.4. The energy stored in the organic matter of consumers is transferred to other consumers such as carnivores, which eat the herbivores.5. The energy stored in the organic matter of decomposers such as bacteria and fungi is released through the process of decomposition.6. The energy flow through an ecosystem is unidirectional and flows from the Sun to producers, to consumers, and finally to decomposers.7. The efficiency of energy transfer between trophic levels in an ecosystem is only about 10%, which means that only about 10% of the energy stored in one trophic level is transferred to the next level.8. Human activities such as deforestation, pollution, and climate change can have a significant impact on the energy flow through an ecosystem.
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A backyard pond has 5 kol (goldfish), rocks, lily pads, water, algae, and a water pump.
Which parts of this ecosystem would be the non-living parts:
Which parts would you consider to be a population?
Which parts would you consider to be a community?
Answer:
Non-living/abiotic parts of this ecosystem would be the water, rocks, and water pump.
The 5 Koi fish would be considered a population as they are a group of individuals of the same species living within an area.
The fish, the lily pads, and the algae would be considered a community. All of these organisms are interacting with each other to make the community healthy.
The main form of food production in ____ is the daily collection of wild plants and the hunting of wild animals. a. hunting and gathering societies c. agricultural societies b. pastoral societies d. horticultural societies please select the best answer from the choices provided a b c d
The main form of food production in hunting and gathering societies is the daily collection of wild plants and the hunting of wild animals.
In areas where there are not many industries, people usually bother about ways by which they can get food and basic necessities to survive. Among these people, comes the hunting and gathering societies.
The hunting and gathering socieities are small societies where people collect wild plants and hunt wild animals as a food source. These people are not localized and hence do not have permanent homes. As they have to travel to different places in the search of food, such people do not make a home or village. They just move together from place to place collecting plants and hunting animals for feeding themselves.
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The properties of matter depend on the types of atoms a substance is made ofTrue or false
This statement is true. Properties of a material are a direct consequence of the atoms that constitute it and their interactions.
the hereditary genetic molecule present in all living cells is
The hereditary genetic molecule present in all living cells is DNA (deoxyribonucleic acid).
What is genetics?Genetics is the scientific study of genes, heredity, and variation in living organisms. It encompasses the study of how traits are passed down from one generation to another, the mechanisms of inheritance, and the role of genes in determining the characteristics and traits of individuals.
Genes are segments of DNA (deoxyribonucleic acid) that carry genetic information and serve as the instructions for the development, functioning, and inheritance of traits.
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What it mean by the terminology time or temperature terminated
defrost cycle?
The term "time-terminated defrost cycle" refers to a method of defrosting in which a timer is used to determine the length of the defrost cycle.
When a defrost cycle begins, it can be terminated in one of two ways: time-terminated or temperature-terminated. A time-terminated defrost cycle is one in which a timer is used to determine the length of the defrost cycle. The defrost cycle is terminated after a specified amount of time has elapsed. On the other hand, a temperature-terminated defrost cycle is one in which the defrost cycle is terminated when the evaporator coil reaches a certain temperature.
For many years, time-terminated defrost cycles were the norm in commercial refrigeration systems. Today, however, temperature-terminated defrost cycles are more common. This is because they are more energy-efficient and reduce the risk of over-defrosting. Additionally, temperature-terminated defrost cycles are better suited for use with modern electronic control systems.
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How do you pronounce the full scientific name of DDT?