In biology class one day, Mrs. Chabon wrote six physiological functions on the board. Then, she asked groups of students to each choose the three functions that are purposes of the excretory system. These are the lists they made. Group 1: maintaining pH level of blood; transporting hormones throughout the body; regulating growth Group 2: removing wastes from the body; digesting solid foods; maintaining salt and water balance Group 3: maintaining salt and water balance; maintaining pH level of blood; regulating growth Group 4: removing wastes from the body; maintaining pH level of blood; maintaining salt and water balance Which group correctly listed the functions of the excretory system? group 1 group 2 group 3 group 4
A process that separated the inner planets' composition into different chemical layers is called _____.
accretion
differentiation
absorption
separation
The correct answer is differentiation.
Planetary differentiation can be defined as a process in which separation of different constituents of the planetary body takes place.They are separated based on their physical or chemical behavior, where the body divides into different layers: the less denser materials rise up to the surface and the more denser substance of the planet sinks.
Example: dwarf planets.
• what parts of planning are most likely to require a back-up play
fine sediment
a) deflation
b) loess
c) sand dunes
d ) deposition
What is a likely consequence of continued human population growth? A. More cropland B. Less erosion C. Less pollution D. More rain forests
Answer:
The correct answer is option A More cropland
Explanation:
As the human population will increase, their demand for resources will also increase specifically for the three essentials namely air, water and food. In order to cater the need of increased food demand, more food is needed to be produced and thus more land is required. Apart from agricultural produce, even dairy farms, aquaculture or any other method of production of non vegetarian/other food sources, also require large amount of pasture land or crop land.
Answer:
a for apx
Explanation:
According to scientists, ocean waves could be a source of energy. Devices are being designed to capture the energy from waves and supply electricity to coastal areas. A direct benefit of utilizing this technology to produce energy would be the * 1 point
Answer:
A direct benefit of using this technology to produce energy would be the
low environmental impact that energy causes.
Explanation:
Wave energy is a type of renewable energy and a significant feature of this type of energy is its ability not to degrade nature.
Renewable energies are true benefits for nature as they often have low costs, and in addition do not require artificial processes that result in harm to the environment. Therefore, we can highlight several advantages for nature, such as:
They can be considered inexhaustible on a human scale when compared to fossil fuels; The environmental impact is far less than that caused by energy sources from fossil fuels such as coal, oil and gas. This is because they do not produce carbon dioxide or other greenhouse gases; They offer less risk than nuclear energy; With them it is possible to reduce CO2 emissions, thus improving the quality of life with cleaner air.What hormone is responsible for stimulating the breakdown of liver glycogen and its release as glucose?
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The size of the host population controls _____.
the size of the parasite population
the size of the omnivore population
the size of the predator population
the size of the prey population
What class of antiretroviral drugs are particularly troublesome to patients with diabetes and why?
The use of this drugs can lead to
insulin resistance and high levels of sugar in the blood. Also,if the patient wasn't diabetic, taking this drugs can make him one. An example of this link is the protease inhibitor:indinavir.For the same reasons, NRTIs should not be used by diabetics.
Nucleoside reverse transcriptase and protease inhibitor are class of antiretroviral drugs that are particularly troublesome to patients with diabetes. This is because these drugs develop insulin resistance in the blood.
Further Explanation:
Diabetes is a type of disease which is developed when the level of glucose is elevated in blood than the normal level. In other word diabetes is developed due to high level of blood sugar level.
Glucose is mainly received by breaking down the food that we eat. Glucose is a primary source of the energy in the body. Normal level of glucose is necessary for body to work, but elevated level of glucose result in many problems. Diabetes cause very serious health issue such as stroke, heart and kidney problem. Diabetes is also of two types:
• Type I
• Type II
Main Symptoms of diabetes are:
• Frequent urination
• Increased thirst
• Unusual weight loss
• Increased hunger
• Fatigue
• Blurred vision
• Numbness in feet
There are mainly two class of antiretroviral drug that are not healthy for diabetic patient, one is nucleoside reverse transcriptase inhibitors and second is protease inhibitors. This drug show adverse effect on diabetic patient. Also if a non-diabetic patient is taking these drugs than there are high chances of developing diabetes. This is because these drugs develop insulin resistance and develop high levels of sugar in the blood.
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Answer Details:
Grade: High school
Subject: Health
Topic: Diabetes
Keywords:
Nucleoside, protease inhibitor, numbness, diabetes, antiretroviral, drug, insulin, resistance, develop, fatigue, weight, loss, thirst, blurred vision.
Along a 18000-bp segment of dna, approximately how many molecules of each kind of histone protein do you expect to find?
Nucleosomes are structured as follows: Two each of the histones H2A, H2B, H3, and H4 come together to form a histone octamer, which binds and wraps about 1.7 turns of DNA, or about 147 base pairs. The addition of one H1 protein wraps another 20 base pairs, resulting in two full turns around the octamer. These nucleosomes are joined by the DNA that runs between them (an average of about 40 base pairs). This joining DNA is referred to as linker DNA.
So,a total of 197 base pairs are used up in one nucleosome.
So,total no.of H1 = 6000/197 = 30
Total total no.each of H2A, H2B, H3, H4 = 2* no.of H1
= 2*30 = 60 each.
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Which limiting factors are associated with S-shaped curves in population charts?
density-dependent factors
density-independent factors
biotic factors
abiotic factors
A healthy ______ helps us have healthy relationships
Answer:
A healthy SENSE OF SELF ESTEEM helps us have healthy relationships
Explanation:
The average annual rainfall in Naples, Italy, is 39.6 inches, and the average annual rainfall in Fort Collins, Colorado, is 15 inches. What could be the reason for the difference in average precipitation?
Which type of muscle has muscle cells that connect to one another at junctions called intercalated disks?
Answer:
Cardiac muscles have intercalated disc that connects one cardiac muscle fibre to other.
Explanation:
Intercalated discs are a characteristic feature of cardiac muscles. These structures connect one cardiac fiber to others. Intercalated discs have desmosomes and gap junctions.
The function of desmosomes of the intercalated disc is to hold the cardiac muscle fibers together while gap junctions serve to facilitate the rapid conduction of electrical signals.
Mr. jones is admitted to the nurse's unit from the emergency department with a diagnosis of hypocalcemia. his laboratory results show a serum calcium level of 8.2 mg/dl (2.05 mmol/l). for what assessment findings will the nurse be looking
Which populations would benefit the most from the presence of decomposers?
Answer:
Producers (plants) would benefit most from the presence of decomposers.
Explanation:
The act of recycling practiced by decomposing beings plays an important role in the ecological balance of the planet, because in addition to putting an end to the organic remains of dead beings, they produce nutrients. These nutrients are essential for the continuity of life within ecosystems. Plants, for example, are extremely dependent on this process as they need to absorb nutrients in the soil to grow. As the plants represent the producer population, it can be said that the producers will benefit most from the presence of decomposers.
metal cookware often comes with plastic handles. The plastic handles...
A. decrease friction
B.Decrease mechanical Advantage
C.are insulators
D.are conductors
HELP!
The correct answer is option C. are insulators.
The plastics are the insulators, hence, they do not conduct the heat and do not get hot. During the process of cooking, the metal utensils may become hot, as it is a conductor of the heat. Touching the metal part of the utensil while cooking may burn your hand, that is why a plastic handle is attached to the metal utensils and cookware.
Why do different people make different decisions about how a technology should be used?
People make different decisions on technology use based on personal values, experiences, and societal norms. Access to technology can lead to greater opportunities, though experiences may differ, and the rapid pace of technological advancement poses challenges for societal adaptation. Regulations and societal norms vary globally, affecting how technology is used and controlled.
Explanation:Different people make different decisions about how a technology should be used due to a variety of factors including their personal values, experiences, knowledge level, and the cultural and societal norms they adhere to. For example, one person might see a smartphone as a tool for enhancing productivity and connecting with others, while another might view it as a distraction or a risk to privacy. Additionally, the rapid pace at which technology evolves often outstrips the ability of societies to evaluate and integrate new tools in a considered way, resulting in disparate opinions and uses.
Indeed, people bring their own perspectives to the debate on whether access to technology correlates with greater opportunities. In my own life, I know individuals who have leveraged technology to build successful careers and enhance their education, supporting the idea that technology use often opens doors. Conversely, others may challenge this notion, citing technological divides or negative impacts of technology on certain aspects of life, like communication and well-being.
An educational leader facing contradictory research on technology's impact might approach the situation by integrating diverse findings, remaining open to varying evidence, and seeking a balanced understanding that can inform a nuanced approach to technology integration in educational settings.
The use of technology in society also raises complex questions about its regulation. In democratic societies like the United States, these issues are often resolved through the court system, reflecting a balance between personal freedoms and societal protections. However, this process and the outcomes can vary significantly around the world, influenced by differing governmental structures and cultural values.
Compare the reaction times for voluntary vs. involuntary activation of the quadriceps muscle. what might account for the observed differences in reaction times? outline what has to occur in the body for each reaction to occur. refer to your drawing from step 24. information from the flow chart you created in activity 2.2.1 might also be helpful.
Explain how the two main theories of color perception, initially appearing to contradict each other, are, in fact, complementary perspectives.
The trichromatic theory and the opponent-process theory are the two main theories of color perception. They seem contradictory at first glance, but in fact, they complement each other and explain different stages of color perception.
Explanation:The two main theories of color perception, which initially appear contradictory, are, in fact, complementary when examined closely. These are the trichromatic theory and the opponent-process theory.
The trichromatic theory explains that our color perception is a product of the relative outputs of the three types of cone receptors in our eyes which are sensitive to different parts of the light spectrum, approximating red, green, and blue light. When all three are equally stimulated, we perceive white light.
On the other hand, the opponent-process theory suggests that we perceive colors in contrasting pairs - black-white, red-green, and yellow-blue. This theory explains the phenomenon of afterimages and color constancy, where the eye and brain compensate for changes in lighting conditions to maintain a stable color perception.
Seemingly contradictory, these theories are, however, quite complementary. Trichromatic theory describes color perception at the level of the photoreceptors in the eye, while the opponent-process theory explains how signals from these receptors are processed in the brain.
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What is the role of the inferior colliculi of the corpora quadrigemina? what is the role of the inferior colliculi of the corpora quadrigemina? they induce reflexive responses to unexpected sounds, which results in head and eye tracking movements in response to the auditory stimuli. they secrete dopamine during sexual arousal. they induce head and eye tracking movements in response to unexpected visual stimuli. they invoke excitatory physiological reactions in response to fearful stimuli. they secrete melatonin and help regulate sleepâ€"wake cycles. submitmy answersgive up?
The inferior colliculi are part of the brain involved in the processing of auditory stimuli, triggering reflexive responses to unexpected sounds and facilitating head and eye movements towards the sound.
Explanation:The inferior colliculi are part of the corpora quadrigemina in the mammalian midbrain and they have a crucial role in the processing of auditory stimuli. Specifically, they induce reflexive responses to unexpected sounds, regulating head and eye tracking movements to help orient towards the source of the sound. This plays an important part in auditory spatial awareness. The functions of the inferior colliculi do not include the secretion of dopamine during sexual arousal, invoking excitatory physiological reactions in response to fearful stimuli, or the secretion of melatonin to regulate sleep-wake cycles. These functions are related to other regions of the brain.
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Which are specific to just prokaryotes, or just plants, or just animals? drag the appropriate items to their respective bins. helpreset vacuoleslack a cell walllysosomesmagnetite-containing structureschloroplaststhe nucleoidphotosynthetic membranesflagella and fimbriae?
Answer:
Prokaryotes: Prokaryote are simple, single-celled organism that lacks a well defined nucleus and membrane-bound organelles.
Photosynthetic membranes: Some of the prokaryotes have photosynthetic membrane to capture sunlight energy which facilitates the process of photosynthesis.
Flagella and fimbriae: Flagella and fimbriae are simple, fibrous structures which facilitates the movement in simple prokaryotes.
The nucleoid: The nucleoid is the organelle in the prokaryotes in which the genome of the prokaryotic organism is stored.
Magnetite-containing structures: These are organelles specific to prokaryotes.
Just plants: Plants are autotrophic organisms that are capable of making their own food by the process of photosynthesis. All plants belongs to the kingdom Plantae.
Vacuoles: Vacuoles are organelles not just but mainly found in plants. They functions as discharge of cellular or metabolic waste from plants.
Chloroplasts: It is an organelle that is found in plants that exhibit chlorophyll pigment, which traps the sunlight necessary for photosynthesis.
Just animal: Animals are hetrotrophic organisms that derive their food from other organisms such as plants and animals. They belong to the kingdom Animalia.
Lysosomes: These are specialized cell organelles, which are also called as suicidal bags. Found mainly in animals. These organelles traps cellular waste and facilitate it's discharge from the body.
Lack a cell wall: Animals lack a cell wall, which is found mainly in plants.
The cell organelles that are only present in prokaryotes are flagella and fimbriae. The cell organelles that are only present in animals are lysosomes and cytoskeleton. The cell organelles that are only present in plants are photosynthetic organelles, cell wall, and vacuoles.
Further explanation:
Kingdom Animalia contains all the animals. These are multicellular organisms that acquire food from the phototrophic plants either directly or indirectly (heterotrophs). The cell wall is absent in a typical animal cell, but structures like cytoskeleton that gives rigidity to the cell and lysosomes that are known as suicidal bags are present.
A plant is an autotrophic organism that is the primary producer. The stem, roots, leaves and sometimes fruits are the typical parts of a plant. A typical plant cell contains photosynthetic organelles that help in the preparation of the food, a cell wall that gives rigidity, and vacuoles that contain cell sap.
Prokaryotes are the simplest cells on the earth. A typical prokaryote is a unicellular cell containing mitochondria and some organelles.
Bacteria and archaea are the two types of prokaryotes. The bacteria contain the peptidoglycan layer which is absent in the archaea. The archaea contain ether-linked lipids while the bacteria contain ester-linked lipids. Flagella are structures that is used by all the prokaryotes for movement. The fimbriae in the prokaryotes help in the attachment of the bacterial cell to the animal cell or even the inanimate objects.
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Answer Details:
Grade: Middle School
Subject: Biology
Topic: Types of cells
Keywords:
Prokaryotes, bacteria, archaea, flagella, fimbriae, vacuoles, cell wall, cell membrane, photosynthetic organisms, autotrophs, cytoskeleton, lysosomes, suicidal bags.
A primigravid adolescent client at approximately 15 weeks' gestation is visiting the prenatal clinic to undergo maternal quad screening. what information should the nurse include in the teaching plan for this client
What place would have more severe winters: central Russia or the west coast of France?
Photochemical smog:
a. is sometimes called london-type smog.
b. was more prevalent in the 1800s than the 1900s.
c. is caused primarily by industrial emissions.
d. is formed from chemical reactions involving sunlight, nitrogen oxides and hydrocarbons.
e. is generally worse during the winter months.
Which two biomes are the most similar with regard to rainfall?
The two biomes that are the most similar with regard to rainfall is Tundra and Desert
For better understanding let's explain what Tundra and Desert biomes are
Tundra is simply known as a type of biome that is characterized by plains having no tress. They are the coldest of all the biomes as well as they are occur in the arctic and Antarctica. Lichens, mosses, sedges, and dwarfed shrubs etc are found in this biome. Desert can be hot and cold. A hot desert is a biome characterized by low moisture levels, daily and seasonal temperatures fluctuate due to the fact they receive little rainfall that it supports only little and widely spaced vegetation or no vegetation at all.Cold Deserts sometimes has a lower freezing for some periods of time. e.g. Great Basin Desert The two biome receive little or no rainfall that more of the reason they are similarFrom the above we can therefore say that the answer the two biomes that are the most similar with regard to rainfall is Tundra and Desert is correct
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In one day, a zebra eats 10 kg of grass. A lion kills and eats the zebra. About how much of the energy contained originally in the grass is usable by the lion?
A.) 0.1 kg
B) 10 kg
C.) 5 kg
D.) 1 kg
Answer:
A.) 0.1
Explanation:
A positive sexual relationshp can
a. be a shared pleasure.
b. be a haven from everyday tensions.
c. enhance a couple's mutual understanding and caring.
d. do all of these.
The nurse is caring for a patient in the emergency department with a diagnosed epidural hematoma. what procedure will the nurse prepare the patient for?
The answer would be burr holes. These are small holes that a neurosurgeon creates in the cranium. Burr holes are used to aid dismiss heaviness on the brain when fluid, for example blood, sizes up and begins to compress the brain tissue. An epidural hematoma is measured as an extreme emergency. Marked respiratory arrest or neurologic discrepancy can happen within minutes. Cure consists of making an opening over the skull to cut ICP emergently, eliminate the clot, and regulate the bleeding.
What is an ecosystem service that performs the same function as a pesticide?
Ecosystem service that performs the same function as a pesticide are predators of pests.
What are predators in ecosystem?Predators are animals that eat other animals, called prey, and are usually fairly active because they have to hunt their prey. Predatory insects eat many pest insects and are an important part of a natural control program for the home garden.
Are predators used to control pests?Biological control is the beneficial action of parasites, pathogens, and predators in administrating pests and their control. Biocontrol provided by these living organisms, collectively called natural enemies it is significantly important for decreasing the numbers of pest insects and mites.
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