Answer:
Your nervous system guides almost everything you do, think, say or feel. It controls complicated processes like movement, thought and memory. It also plays an essential role in the things your body does without thinking, such as breathing, blushing and blinking.
:)
When a substance changes into a different substance, a __
change has occurred.
Answer:
A Chemical change has occured
Explanation:
Recall what you know about hypertonic, hypotonic, and isotonic solutions. When an environment is hypotonic, what happens to the cell?(1 point) Responses The cell has more solute, so solvent moves from inside the cell to outside, causing the cell to shrink. The cell has more solute, so solvent moves from inside the cell to outside, causing the cell to shrink. The environment has more solute, so solvent moves from outside the cell to inside, causing the cell to swell. The environment has more solute, so solvent moves from outside the cell to inside, causing the cell to swell. The environment has more solute, so solvent moves from inside the cell to outside, causing the cell to shrink. The environment has more solute, so solvent moves from inside the cell to outside, causing the cell to shrink. The cell has more solute, so solvent moves from outside the cell to inside, causing the cell to swell.
When an environment is hypotonic, the cell has more solute, so solvent moves from outside the cell to inside, causing the cell to swell.
Hypotonic is one of the three types of tonicity of solutions. In a hypotonic state, the solution contains more solvent. The other two types of tonicity are: hypertonic and isotonic. In hypertonic state, the solution has less solvent and more solute in the solution. Whereas in isotonic solution, the proportions are balanced.
Solvent is any substance that can dissolve some solid particles in it to form a solution. Mostly solvents are liquid, however they can be a solid or gas as well. Water is termed as the universal solvent.
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if pain is increased the females will tolerate the pain better because women experience abdominal pain on a monthly basis whats the independent variable
According to Fillingim, "men have higher levels of testosterone, which in some studies has been shown to be protective against pain or associated with lower pain. whereas women have both higher levels and fluctuations in circulating estrogens and progesterone, and those may contribute to experiencing higher levels of pain.
Do women tolerate pain better than men?
Because females experience abdominal discomfort on a monthly basis, the image for "If pain is increased, females will tolerate the agony better"According to new research, women's acute pain tolerance is more reliable over time than men's.Because they believe that hormonal changes in women create greater long-term unpredictability and less dependability in pain assessments, many researchers don't include women in their studies of pain. Additionally, sex hormones have an impact on pain sensitivity; in women, menstrual cycle stages affect pain tolerance and threshold.Men and women respond to acute pain differently in terms of both the spatial pattern and strength of that reaction, according to imaging studies of the brain. Women rated their average levels of pain as being higher than men's for practically every condition.According to the survey, women often received better marks than males did.Women typically reported higher scores than males when they experienced lower back pain, knee and leg discomfort, or both.Experimental pain models and clinical pain exhibit sex differences in both acute and chronic pain.Although chronic pain is more common in women, the data on how severe it is are less clear.The underlying mechanisms, which include include the role of hormonal and genetic variables, require more research. Graham continues, "Human studies more consistently demonstrate that men have higher pain thresholds than women, and some also demonstrate that men have higher pain tolerance."She adds that another way to interpret these findings is that women are more sensitive to pain.Women may experience pain more intensely than males do because they have more nerve receptors in their bodies, necessitating the adoption of alternative surgical procedures, therapies, or medication dosages to help control their discomfort. Graham continues, "Human studies more consistently demonstrate that men have larger pain thresholds than women, and some also demonstrate that men have higher pain tolerance.She adds that another way to interpret these findings is that women are more sensitive to pain.To learn more about pain tolerance refer
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According to the graph, which region's population is expected to get smaller
between 2010 and 2050?
people
Millions of
20,000
10,000
5,000
2,000
1,000
500
200
20
10
WORLD POPULATION GROWTH
Asia
Europe
1950
Mexico,
100 Central America,
50 Caribbean Islands, &
South America
1960
World
1970
Africa
1980
United States,
Canada, & Greenland
Oceania (Australia &
nearby islands in the Pacific)
1990
2000
2010
Year
2020
2030
2040
2050
When populations reach their carrying capacity and even exceed it, they are expected to decrease in size because of the lack of available resources. In this example, the Europe population is expected to get smaller between 2010 and 2050.
What is the carrying capacity?Carrying capacity is the capability of the environment to support a population.
Commonly a growing population that inhabits a limited space is gradually affected by density, rebounding in the multiplication rate.
Environments have limited resources, and the population growth per capita rate decreases as population size increases.
Eventually, the population reaches a maximum point delimited by available resources, such as food or space. This point is known as the carrying capacity, K.
K is a constant that coincides with the population size (N) when natality rate and mortality rate are equal to each other. This is the equilibrium point.
If N < K, the population can still grow. When N approximates to K, the population's growth speed decreases. When N = K, the population reaches equilibrium, When N > K, the population must decrease in size because there are not enough resources to maintain that size.So when the population size exceeds K, the carrying capacity makes the population decrease in size. This is because there are not enough resources for this population to survive.
In the exposed example, we can see that
Until 2010, most populations were still growing since they had not reached their carrying capacity yet. From 2010 to 2050, many of them are expected to reach K and stop increasing in size.
However, there was one population that by the year 2010 had already reached its carrying capacity point, K. Europe's carrying capacity seems to be nearly 900 million people. Between 2000 and 2020, the population reached this number and stopped growing. After 2020 it started to decrease.
Europe is the only region whose population seems to be decreasing by the year 2050.
So Europe population is expected to get smaller between 2010 and 2050.
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Which of the following resources do plants not compete for?waterwarmthnutrientslight
Let's see what plants need to survive:
0. Water
,1. Sunlight
,2. Nutrients
,3. Soil
Plants that live around each other also will compete for resources, since there is only so much water and area on this planet. We know that trees can block ground vegetation from getting sunlight. Plants close to each other also steal each other's nutrients and water as well.
Therefore, we are left with one answer choice that is correct: warmth.
Weather and climate affects all living organisms in an biome.
What’s the correct answer answer asap for brainlist
Answer:
the answer is C.
Explanation:
Which type of biomolecule can contain sulfur?
A. Lipid
B. Nucleic acid
C. Protein
D. Carbohydrate
Answer: C. Protein
All living things need sulfur, which is found in all the major types of biomolecules, including proteins, carbohydrates, nucleic acids, cofactors for vitamins, and metabolites.
Use the information in the image below to answer the following question: identify the environmental factor that resulted in the lowest rate of transpiration."A student conducted an investigation to determine the effect of various environmental factors on the rate of transpiration (water loss through the leaves) in plants. The student prepared 4 groups of plants. Each group contained 10 plants of the same species and leaf area. Each group was exposed to different environmental factors. An apparatus was constructed to measure water loss by the plants over tie in 10-minute intervals for 30 minutes. The results are shown in the data table."
The environmental factors that are different between the groups are: floodlight, fan, mist and the absence of any of them. So, it is important to analyze their influence on the results. We have the basal results, with none of those influences, showing a moderate rate of transpiration. Then, we see that the transpiration increases under the effect of the floodlight, because the light estimulates processes that will culminate in transpiration, such as photosynthesis and the opening of the stomata. The rate of transpiration also gets higher under the influence of the fan, because the wind will estimulate the movement of molecules, dispersing the humidity around the plant and helping the water that's leaving the plant via stomata to be replaced by other molecules faster. Still, in the first ten minutes the group under influence of the fan is the one with the higher rates of transpiration. But then, after 30 minutes, is the group under the floodlight that has the higher rate. At last, we should analyze the group under the influence of the mist. It has the lower rate of transpiration because there's lots of water around the plant, and the molecules of water released during transpiration are being delayed by this amount of other molecules of water around the plant competing for space. Therefore, the mist decreases the transpiration, but the floodlight and the fan increases it (compared to the group with none of those conditions).
The higher rate of transpiration after 30 minutes is found in the group under the influence of light, because it opens the stomata and increases the plants metabolism, leading to an increase in transpiration rates.
Why is synthesizing proteins important?
Proteins there are complex macromolecules that perform a great number of functions in the body, some are even part of structures in the body, one example is hair or nails. Thus they are necessary for the structure, function, and regulation of tissues and organs in the body. W
The process of protein synthesis is important because our bodies need to be able to produce proteins that are essential to our health and well-being. Hormones, enzymes, and the growth of muscles cannot be made in our bodies without protein synthesis.
Protein synthesis accounts for the majority of amino acid disposal. A specific sequence of amino acids is defined by messenger RNA, which has been transcribed from a DNA template and binds to specific molecules of transfer RNA.
The adjacent amino acids form peptide bonds. As soon as the polypeptide chain is completed, the sequence of amino acids determines the subsequent folding, post-translational amino acid modifications, and protein packaging.
Transcription rate, ribosome aggregation, and modulation of peptide synthesis rate determine the rate of protein synthesis.
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Which type of rock forms due to the weight of the overlying rocks?
A. Igneous
B. Metamorphic
C. Sedimentary
SUBMIT
Which argument best describes one’s of the stages in the diagram A. The mature forest community will keep the population of shrubs stable as they continue to increase B. If all of the grasses and weeds were destroyed, the population of herbivores would increase C. The young forest community will invade and take over the mature community D. The climax forest will be stable over a long period of time
The most accurate statement would be:
D. The climax forest will be stable over a long period of time.
Taking in count that no catastrophes happen in
The overall increase in the amount of carbon dioxide in the atmosphere
directly corresponds with all of the following except.
A. changing weather patterns.
B. the overall increase in average global temperatures.
OC. the melting of the ice caps.
D. the decrease in the growth rate of some human populations.
The overall increase in the amount of carbon dioxide in the atmosphere
directly corresponds with all of the following except D. the decrease in the growth rate of some human populations.
What are the global warming's four effects?Global warming is included in "climate change," but it also refers to a wider range of changes that our planet is experiencing, such as rising sea levels, retreating mountain glaciers, accelerating ice melt in Greenland, Antarctica, and the Arctic, and changes in the timing of flower and plant blooms.
Storms, heat waves, floods, and droughts are just a few of the calamities that are getting worse as a result of rising temperatures. Warmer temperatures produce an atmosphere that can hold onto, release, and gather more water. This alters weather patterns such that wet areas get wetter and dry ones get drier.
Climate change is an issue for humans right now, and people are the ones who are fueling these conflicts. There is no way to stop global warming.
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How do nerves control every organ and function in the body?
The nervous system is considered as the command center of the body. It is able to control body systems and processes. Nerves are electrical signals helping us to feel sensations. It controls the functions of the body which are referred to as autonomic nerves. It is able to control our organs, blood vesses, and glands. These nerves are involved in the regulation of involuntary physiologic functions of the body such as heart rate, digestion, and blood pressure.
Neurons sends signals all over the body. It travels between the brain, skin, organs, and muscles. It is the one responsible for our movement and sensation. When the message is received, it will be processed and eventually trigger the reactions. It will lead to movement and sensation as a response.
Which whale traits evolved much later
Answer:
Which whale traits evolved much later?
Nostrils shifted back toward top of skull; hind legs reduced, then eliminated; forelimbs become paddle like; strong swimming tail with flukes form.
CRISP and Gene Editing and HIV
When employing CRISPR in treatment of HIV, which host DNA repair system would work better?
A. Either would yield the desired results
B. HDR Homology Directed Repair (HDR)
C. NHEJ (Non-Homologous End Joining (NHEJ)
Please provide an explanation to your answer choice.
When employing CRISPR in treatment of HIV, the host DNA repair system would work better is option A. Either would yield the desired results.
How is HIV being treated using CRISPR?To modify people's own cells in those situations, scientists are employing Crispr. However, Excision researchers are using the gene-editing technique against the virus for the HIV experiment.
Note that the gene-editing agents in the Crispr infusion target two crucial HIV genomic sites for viral replication.
Therefore, CRISPR/Cas9 precisely snips DNA to modify genes, then waits for natural DNA repair processes to finish.
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Amylase is a protein. The low pH in the stomach (compared to the mouth) will affect ___________ bonds and cause the protein to become ____________.
Answer: Pepsin and trypsin are the enzymes that have proteins as substrate
Explanation:
In physics, a system is defined as the portion of the universe that has been chosen for study. Systems may be complex, such as a whole planet, or simple, such as the water inside a pot. The universe outside the system is called the surroundings. A closed system is one that does not exchange matter with its surroundings and does not experience any outside forces. An open system, on the other hand, can exchange matter with its surroundings and does experience outside forces.
The idea of systems and surroundings was not always part of physics. In 1824, the French physicist Nicolas Carnot applied the idea of systems to thermodynamics. A little later, German physicist Rudolf Clausius added the idea of surroundings. Today, system and surroundings are terms applied also to mechanical systems, as well as used in other scientific fields such as biology.
Examples of open systems are common in everyday life. A car driving down a road is a system. The car engine produces exhaust, which is matter passed to its surroundings. Friction between the car and the road is an outside force that acts on the system. Closed systems are rare in everyday life. They are commonly used in physics laboratories to simplify system analysis and calculations.
So, what questions can help someone decide whether the system under consideration is open or closed? The first question to ask is: Does the system exchange matter with its surroundings? If yes, it is an open system. If no, it is a closed system. The second question is: What is the source of the forces experienced by the system? If all forces originate within the system, the system is closed. If forces act on the system from outside of the system, it is an open system.
QUESTION 1
A student has chosen to study a swinging pendulum. The pendulum would be ____________.
OPTIONS
a system
the surroundings
a universe
a force
QUESTION 2
Which of the following statements describes a closed system?
OPTIONS
It exchanges matter with its surroundings.
Its surroundings act on the system.
It experiences only forces originating from within.
None of the above
QUESTION 3
Which of the following statements about cars indicates that they are an open system?
OPTIONS
Friction is present between different parts of the engine.
The car burns gasoline and produces exhaust.
The engine heats up as the car is driven.
The faster the car is driven, the faster its tires turn.
QUESTION 4
What is the most common use of closed systems?
OPTIONS
To minimize environmental damage
To create more efficient systems
To simplify system analysis
To predict system structure and behavior
QUESTION 5
Which of the following questions is important for deciding whether a system is open or closed?
OPTIONS
Does the system exchange matter with its surroundings?
Is the system composed of multiple parts?
Does the system contain more than one state of matter?
Is the system natural or man-made?
Answer:
head of the humerus
What’s the correct answer answer asap for brainlist
Answer:
carbon dioxide
Explanation:
Theory of evolution can be used to improve the quality of human life
Answer:
yes
Explanation:
What is a membrane? a form of tissue that connects cells and structures together a thin tissue layer that separates, protects, or connects structures a single layer of tightly packed cells a thin layer of connective tissue packed tightly together
A membrane is referred to as a thin tissue layer that separates, protects, or connects structures and is denoted as option B.
What is a Membrane?This is referred to as a biological layer which comprises of lipids and other types of compounds which are found in cells and it is usually a thin layer which separates the internal environment from the external areas.
This ensures that the cell is protected as it prevents pathogens and other harmful substances from entering. It also helps to connect different structures together which is therefore the reason why option B was chosen.
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What’s the correct answer answer asap for brainlist
Answer:
carbon
Explanation:
Compare and contrast a moss's life cycle with that of a fern. Be sure to use the terms Gametophyte, Sporophyte, Sporangia, Archegonia, and Antheridea in your comparison.
The sporophyte is diploid and has two sets of chromosomes. The gametophyte, on the other hand, is haploid and has only one set of chromosomes.
Both mosses and ferns have gametophyte and sporophyte stages in their life cycle.The male genitalia, known as antheridia, and the female genitalia, known as archegonia, are usually located at the tips of the major shoots of the gametophyte moss. In the fern life cycle he has two distinct stages.
The sporophyte releases spores and the gametophyte releases gametes. The gametophyte is haploid and the sporophyte is diploid. This type of life cycle is called the alternation of generations. The sporophyte of the fern is divided into true leaves, stems, and roots. In contrast, mosses do not have true petioles or roots. Ferns are vascular plants, but mosses are not.
The main difference between mosses and ferns is the presence or absence of a vascular system. A gametophyte is a haploid organism that arises from a haploid spore. Gametophytes produce gametes that combine with other gametes to produce sporophyte organisms that produce haploid spores.
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The genetic shuffling that takes place during (blank) and sexual reproduction introduces the new gene combinations within a population. what is (blank)?
Answer: Meiosis
Explanation: Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. These cells are our sex cells – sperm in males, eggs in females. During meiosis one cell divides twice to form four daughter cells.
1. What is the function in a cell of the carbon compounds lipids?
A. regulates cell processes, transports things into and out of the cell, and fights disease
B.stores and transmits hereditary information
C.stores energy for the cell and sometimes
provides structural support
D.provides cell membrane that regulates the interaction between the cell and the environment
Answer: c
Explanation:
A lack of explanation for continental drift prevented many scientists from accepting that a single supercontinent called ____ once existed.A. PangaeaB. WegnerC. GlomarD. Glossopteris
The name given to the single continent, the first one, is in the option A. Pangaea.
Use the words in the word bank to label the paramecium, an animal-like protist.
26. Cilia, 27. mouth pore, 28. micronucleus , 29. a nal pore 30. food vacuole 31. macronucleus 32.contractile vacuole 33 cytoplasm the paramecium, an animal-like protist.
What benefits does paramecium provide people?Due to the fact that the bacteria that parasites consume are frequently found on decomposing plants, parasites play a part in the carbon cycle. Along with the bacteria, Paramecium will consume the decomposing plant materials, accelerating the process of decomposition. In scientific studies, paramecia can serve as model organisms.
They can transmit illnesses even though they can also help eradicate them. By imbalance, that occurs. Cryptococcus neoformans can be eliminated by them.
The fact that paramecia can fend off predators is one of the reasons why they are fascinating to examine. The paramecium shoots tiny stinging filaments known as trichocysts at any other unicellular creature that tries to devour it.
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How do bacteria develop antibiotic resistance?
The goal of this assignment is to help students understand that bacteria are living organisms. When we use antibiotics against them to control infections and diseases, they tend to gradually start showing their resistance to that antibiotic. There are different ways bacteria develop such resistance. Sometimes they develop resistance after they come in contact with the chemical but sometimes they develop such resistance without even being exposed to that chemical. So, it is important to understand the different ways by which bacteria develop antibiotic resistance.
Directions
You can check chapter 1 and chapter 8 for some information. You can also search the web to find information. Your paper must be around two pages long and written in the English language, with 1.5 spacing, in Times New Roman, and font 12. References should be on the 3rd page
This task is designed to aid pupils in understanding that bacteria are living things. They often gradually begin to exhibit their antibiotic resistance when we use antibiotics against them to treat infections and diseases. Bacteria can develop such resistance in several ways. They occasionally develop resistance after coming into contact with the chemical, but other times they do so before ever being exposed to it. Therefore, it's critical to comprehend the various mechanisms through which bacteria acquire antibiotic resistance.
Antimicrobial resistance mechanisms can be divided into four groups:
(1) reducing drug absorption
(2) altering a drug target
(3) rendering a drug inactive; and
(4) active drug efflux.
Antibiotics that were once often used to treat microorganisms have become ineffective against some of them. For instance, Neisseria gonorrhoeae (the cause of gonorrhea) and Staphylococcus aureus (often known as "golden staph" or MRSA) are now virtually always resistant to benzyl penicillin.
Other varieties of antibiotics are used to treat illnesses that are resistant to antibiotics. These medications are prescribed by your NYU Langone doctor based on the sort of infection you have and the types of drugs the organism reacts to. Antibiotics can be either orally or delivered intravenously (IV) infusion.
Antimicrobial resistance occurs when bacteria, fungi, and other microorganisms learn to resist the medications meant to kill them. That implies that the germs survive and develop. Treatment for resistant infections can be challenging and perhaps impossible.
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A suspect claims that they and the victim ate a large dinner together about three hours before the victim died. What
would the autopsy MOST likely show if the suspect is telling the truth?
There would be no liquids in the victim's intestinal tract.
There would be no food left in the victim's intestinal tract.
There would be some food in the victim's intestinal tract.
O
There would be blood pooled in the victim's intestinal tract.
Answer: The answer is C, There would be no food left in the victim's intestinal tract.
Explanation:
The autopsy would most likely show that there would be some food in the victim's intestinal tract, if the suspect is telling the truth. Therefore, the correct option is C.
What is an autopsy?An autopsy is also referred to as postmortem. It is the medical examination of the body of a deceased after death. It is usually done to ascertain the cause of death of the victim.
In the case given here, if the suspect is telling the truth about the large dinner they had with the victim three hours before the victim died, the autopsy would most likely show that there is some food in the victim's intestinal tract. This is because it takes several hours for food to be digested and move through the digestive system. Therefore, the correct option is C.
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The increasing population of loinfish is becoming along the Florida straits as the loinfish continue to eat and reproduce. Sharks are also highly populated in this area, although not always in the same areas as the loinfish. Scientists are seeking a possible solution to the loinfish population problem that already occurs naturally. Infer what will occur.
The predatory reef fish lionfish. They consume native fish, which can deplete native populations and harm the overall habitat and health of the reefs by eradicating species that play crucial ecological roles, such as fish that control algae growth on the reefs.
What can you tell about the lionfish's current geographic distribution?Despite records of lionfish sightings dating back several decades, the species has only lately (specifically, since 2000) significantly expanded in numbers and spread over the Western North Atlantic, Caribbean Sea, and Gulf of Mexico.
The natural nooks of coral reefs are where lionfish like to settle. They don't school and are resistant to being drawn in by bait. One at a time, reef by reef, spearfishing is the only method to catch them.
Even if the precise reason is unknown, it was probably due to human intervention. According to experts, the Atlantic Ocean has been receiving unwanted lionfish from domestic aquariums for up to 25 years.
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How does water move up the xylem?
The water moves up the xylem by the process of Agglomeration.
The tension created by transpiration "pulls" water into the xylem of the plant, pulling it up, much like a straw pulls water up. Agglomeration (water sticking together) pulls the top water toward the pores, so more water molecules fill the gaps in the xylem.
Water molecules in xylem cells strongly attract each other. Due to hydrogen bonding, there is a strong cohesive force between molecules. Thus, a continuous column of water is wicked into the stem by evaporation of the leaves in the transpiration flow.
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