Which type of current flows in only one direction and is produced by a battery? magnetic voltage alternating direct
Answers
Answer:
Direct
Explanation:
Direct current flows in one direction are often referred to as unidirectional (uni- one, directional -direction). Whereas, other current flows typically can reverse the flow from time to time which is present in case of Alternating current flow
Direct
Current FlowThe pace at which electrons flow past a location in a complete electrical circuit is defined as current.The flow of electric charges with respect to time is referred to as current flow. When an electric charge flows in one way in an electric circuit, the current flows in the opposite direction.Direct current flows in only one direction and is produced by a battery.For more information:
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Related Questions
How would you describe the effect of a 1°C increase of temperature on the biodiversity of the habitat in terms of number of populations and number of individuals in the populations? Use evidence from your graph and table to support your answer.
Answers
Answer:
Population of some organisms increases and some decreases with the increase in temperature.
Explanation:
The population of certain species such as Nassuar grouper, Spotlight parrotfish and Queen angelfish increases with the increase in temperature while some species such as yellow tail snapper, sponges and algae decreased in population with the increases in temperature. This is because some species needs high temperature so increase in temperature increases the population while some species needs low temperature so high temperature kill them and population is decreased.
Answer:
The population of some creatures increases while the population of others falls as the temperature rises. Certain species, such as Nassuar grouper, Spotlight parrotfish, and Queen angelfish, see an increase in population as the temperature rises, whereas others, such as yellow tail snapper, sponges, and algae, see a fall in population as the temperature rises. This is because some species require high temperatures, so a rise in temperature increases their number, but others require low temperatures, so an increase in temperature kills them and decreases their population.
Explanation:
Identify the stage of cellular respiration in which each of the following takes place,
Produces 32 ATP molecules
Creates four ATP molecules, but then gains overall only iwo
Gives off carbon dioxide
Gives off water
Produces two ATP molecules
DON
Answers
The given statements correspond to different stages of cellular respiration, which is the process by which cells generate energy from glucose and other organic molecules. The stages of cellular respiration are glycolysis, the citric acid cycle (also known as the Krebs cycle), and oxidative phosphorylation (including the electron transport chain). Let's analyze each statement and identify the corresponding stage:
1. Produces 32 ATP molecules: This statement refers to the stage of oxidative phosphorylation, specifically the electron transport chain. During this stage, electron carriers produced in earlier stages (glycolysis and the citric acid cycle) donate electrons to the electron transport chain, leading to the production of ATP through chemiosmosis. In total, oxidative phosphorylation generates a maximum of 32 ATP molecules.
2. Creates four ATP molecules, but then gains overall only two: This statement refers to the stage of glycolysis. Glycolysis is the initial step of cellular respiration and occurs in the cytoplasm. It involves the breakdown of glucose into two molecules of pyruvate and the production of ATP. In glycolysis, a net gain of two ATP molecules is produced. However, since two ATP molecules are used in the initial steps of glycolysis, the overall gain is only two ATP molecules.
3. Gives off carbon dioxide: This statement corresponds to the citric acid cycle (Krebs cycle). The citric acid cycle takes place in the mitochondrial matrix and completes the oxidation of glucose. During this cycle, acetyl CoA derived from pyruvate is further oxidized, leading to the release of carbon dioxide as a waste product.
4. Gives off water: This statement corresponds to the stage of oxidative phosphorylation. In oxidative phosphorylation, the final electron acceptor is oxygen. As electrons pass through the electron transport chain, they combine with oxygen and hydrogen ions to form water.
5. Produces two ATP molecules: This statement refers to the stage of substrate-level phosphorylation in the citric acid cycle. During the citric acid cycle, one ATP molecule is produced directly through substrate-level phosphorylation in one of the reactions. Thus, in each cycle, two ATP molecules are generated (although later stages of cellular respiration generate more ATP through oxidative phosphorylation).
In summary, the stages of cellular respiration corresponding to each statement are as follows:
1. Produces 32 ATP molecules: Oxidative phosphorylation (electron transport chain)
2. Creates four ATP molecules, but then gains overall only two: Glycolysis
3. Gives off carbon dioxide: Citric acid cycle (Krebs cycle)
4. Gives off water: Oxidative phosphorylation (electron transport chain)
5. Produces two ATP molecules: Citric acid cycle (substrate-level phosphorylation)
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Tan mice lived in regions with sandy hills. Over time, many of these tan mice migrated to a region with dark-colored hills. Eventually, the mice developed certain mutations in the trait for hair color, which made them black. Which three statements can you make about these mice?
Black mice can camouflage easily, which provides protection.
The mutations for black hair will be inherited through natural selection.
The population of tan mice will increase in the dark-colored hills over time.
Black mice will have a better chance of successfully reaching reproductive age.
Both mice will have an equal chance of successfully reaching reproductive age.
Answers
Answer:
1. Black mice can camouflage easily, which provides protection.
2. The mutations for black hair will be inherited through natural selection.
4. Black mice will have a better chance of successfully reaching reproductive age.
Explanation:
Where in the digestive system is food stored, churned, and mixed?
A) stomach
B) esophagus
C) large intestine
D) small intestine
Answers
Answer:
A stomach
Explanation:
Acids, which are in the stomach help digest food by making it the place where food is churned, stored, and mixed.
Type your response in the box.
A student draws this model to show how humans evolved from ancestral primates. What are the pros and cons of
this model in regard to the theory of evolution? Explain how you'd make it more accurate. To create a scientifically
credible answer, use a credible website to research human evolution.
Answers
Answer and explanation:
The model designed by the student is useful to explain in a simple way the question of the evolution of the homo gender (our gender), mainly in basic education, but it may seem inconsistent at higher educational levels.
Humans and chimpanzees, according to the theory of evolution, descend from a relatively recent (about 7 million years) common ancestor.
These same species, as well as lemurs, baboons and all other primate species, share an ancestor who lived longer. Likewise, there is an even older ancestor that originated primates, bats, whales and all other groups of mammals .
The fact that chimpanzees have a DNA very similar to ours (about 98.5% similarity between code sequences) is because the successive evolutions from this common ancestor were not very drastic, besides the fact that they are in a branch more close to ours from the moment of separation of evolutionary lineages.
When extra nutrients added to crops wash into
waterways and oceans, this is called:
-agricultural runoff
-dead zoning
-deforestation
-erosion
Answers
Answer:
I think, dead zoning is answer.Explanation:
Hope it helps you.Answer:
dead zoning
Explanation:
dead zones are formed when excess nutrients wash into bodies of water (this is known as eutrophication.)
because of excess nutrients organisms can't survive, that's why those areas are regarded as dead zones.
match the boinomial of some common level local organisams from a two coulmn list on the basis of generic and specific name
Answers
Explanation:
human being : Homo sapiens
dog: Canis familiaris
house fly: Musca domesticated
domestic cat: Felis domesticus
maize: Zea Mays
Bean: Phaseolus vulgaris
lion : Panthera leo
honey bee: Apis mellifera
A. ¿Por qué el ciclo del agua es un ciclo geofisico? b. ¿Qué rol cumple el agua en los seres vivos? c. Relacione el proceso de fotosíntesis y respiración con los ciclos del oxígeno, carbono y del agua d. ¿Cómo influye el carbono en las cadenas tróficas? e. ¿Cómo influye el bióxido de carbono en el calentamiento global? f. ¿En qué proceso vegetal el carbono es fijado? g. ¿Qué estado físico tiene el nitrógeno en forma libre? h. ¿En qué biomoléculas encontramos nitrógeno? i. Las actividades biológicas fundamentales en el ciclo del nitrógeno comprenden la fijación de nitrógeno, la amonificación, la nitrificación y la desnitrificación y la asimilación. Explica e que consisten los procesos subrayados. J. En que consiste la eutrofización del agua y qué consecuencias tiene para los ecosistemas
Answers
Answer:
a- Es una molécula que pasa por los diferentes estados físicos durante el ciclo del agua
b- El agua es fundamental para llevar a cabo funciones celulares
c-Durante la fotosíntesis se libera oxigeno (O2) y se consume dióxido de carbono (CO2), mientras que durante el proceso de respiración se consume O2 y se libera CO2, ambos procesos consumen agua.
d- el carbono es un elemento químico fundamental de los organismos. El carbono conjuntamente con oxigeno, hidrógeno y nitrógeno conforman el 95 % de la biomasa presente en la biosfera
e- el CO2 es un gas de efecto invernadero, estos gases impiden la eliminación del calor generado por los rayos del sol de la atmósfera
f- el carbono es fijado durante la fotosíntesis
g- estado gaseoso
h- en las bases nitrogenadas que conforman los ácidos nucleicos (ADN y ARN). Además, el nitrógeno es también un constituyente fundamental de los aminoácidos
i- amonificación es la transformación de compuestos orgánicos en amoníaco; nitrificación es el proceso de oxidación de amonio que da como resultado nitrito; desnitrificación consiste en el metabolismo del nitrato en organismos anaerobios; asimilación de nitrógeno abarca aquellos procesos biológicos que generan compuestos orgánicos a base de nitrógeno
j- eutrofización implica la acumulación de compuestos orgánicos en masas de agua estancada tales como, por ejemplo, lagos o embalses. Este proceso se encuentra asociado a la contaminación del agua.
what do you think the difference is between CER & Scientific Method? give an example.
Answers
Answer:
The main difference between the scientific method and the CER is the number of steps recommended by each one to make a valid scientific observation.
Explanation:
The scientific method consists of a set of steps that aims to establish a scientific experiment capable of explaining a scientific phenomenon hitherto unknown, or little explained. The scientific method consists of many stages, where each completes the other.
The CER method, on the other hand, has only three stages, which are claim, evidence, reasoning. This method can be established and finalized more quickly than the scientific method and is not as judicious, but it also presents efficient results to justify or explain a scientific phenomenon.
25 points hurry plz thank you “What is the effect of the type of food available on the frequency of different types of bird beaks?” Hypothesis: If the type of food available changes, then…____________ …because…___________
Answers
Answer:
Explanation:
...then the bird beak changes because the bird beaks are the most vital physical feature that allows birds to catch and devous its prey.
Answer:
then... the frequency of different types of bird beaks will change, because... birds with beaks that are more suited to the available food are more adapted and will be more successful over time.
Explanation:
This is linked with natural selection.
If the type of the food available changes, then the frequency of different types of bird beaks will change, because birds with beaks that are more suited to the available food are more adapted and will be more successful over time.
Evolution of beak types will be a result of the birds adapting and changing their food habits. Natural selection is the process where organisms adapt and change.
Why does the Cenozoic Era have epochs, but the Mesozoic and Paleozoic Eras do
not?
Answers
\The common use of epochs during the Cenozoic helps paleontologists better organize and group the many significant events that occurred during this comparatively short interval of time. Knowledge of this era is more detailed than any other era because of the relatively young, well-preserved rocks associated with it.
Ocular albinism is an X-linked recessive trait that causes a lack of pigmentation in the eyes.
A father with ocular albinism and a mother without the trait have a daughter.
What is the percentage chance that the daughter will have ocular albinism?
Answers
Answer:
It occurs in about 1 out of 17,000 people. The chances are low that the daughter will have ocular albinism. I can't calculate the exact amount.
Explanation:
Question:
Ocular albinism is an X-linked recessive trait that causes a lack of pigmentation in the eyes.
A father with ocular albinism and mother without the trait have a daughter.
What is the percent chance that the daughter will have ocular albinism?
Answer:
CORRECT (SELECTED)
0%.
Explanation:
In order for a daughter to be affected, she must be Xg Xg There is a 0 in 4 chance that they will produce a child with this genotype.
Which of the following macromolecules is matched with its correct role in the cell?
Choose ONE answer:
A. Carbohydrates — key component of the cell membrane (lipid bilayer)
B. Lipid — chemical messenger
C. Lipid — storage of short-term energy
D. Nucleic acid — chemical messenger
Answers
Explanation : carbohydrates are stored in the form of fats in the liver
In general which group of stars have the Brightest Luminosity? Select one: a. Supergiants b. Giants c. Main sequence d. White dwarfs
Answers
Answer:
Hello!
I think your answer should be A. SUPERGIANTS!
Explanation:
HOPE THIS HELPS!
itsMATT04
Answer:
A
Explanation:
got it correct
If an alien astronomer in a distant galaxy looks at all the galaxies it can see, it will observe that Select one: a. other galaxies are moving away from it. b. half of the galaxies are moving away and half of them are moving toward it. c. other galaxies are stationary. d. other galaxies are moving toward it. Clear my choice
Answers
If an alien astronomer in a distant galaxy looks at all the galaxies it can see, it will observe that other galaxies are moving away from it. It will observe that the galaxies present in the universe are moving away from the galaxies.
What is the name of our galaxy ?The name of our galaxy is milky way.
Through the astronomical spectra displaying the patterns of absorption and emission spectra lines it is producing the different wavelengths that are producing different wavelengths. If the source is moving away from the lines that is showing towards the red end that is the red shift.
The continued gravitational force that is present in the galaxies are together collected are the gravitational forces that are mutually coming together in order to bring the galaxies together.
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Is phrenology an example of science or pseudoscience? Explain your answer.
Answers
Answer:
Yes, phrenology is an example of science or pseudoscience, which is there ti benefit humanity. it is recognized as pseudoscience
Explanation:
pseudoscience is a term commonly applied to any body of knowledge, methodology, or practice portrayed as a scientific substantially from the required scientific work. Phrenology persist as a pseudoscientific form of divination. it has no presence mainstream science, but it persists nevertheless.
Phrenology is considered an example of pseudoscience because it does not have proven scientific results that can support its claim.
What is phrenology?Phrenology is the study of attribute traits, talents, and intellectual prowess as a result of skull curvature is known as phrenology. Due to the absence of scientific evidence to back up its assertions, phrenology is regarded as a pseudoscience.
Pseudoscience is a science that only makes theories and assumptions, but there are no proven results or experiments to prove those claims. They are mostly based on statements and beliefs.
Phrenology is observing the skull to know the feelings and type of organism. It is only based on beliefs, there are no proven tests, so it is an example of pseudoscience.
Thus, phrenology comes under pseudoscience.
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Which refers to the maintenance of a stable internal environment despite changing external conditions? differentiation self-renewal homeostasis specialization
Answers
Answer:
homeostasis
Explanation:
Living systems have the ability to maintain a stable internal environment despite changes in their external environment. The process by which they do this is called HOMEOSTASIS. Homeostasis is important for the optimal functioning of internal organs in living organisms.
An example of homeostasis is the regulation of body temperature in humans. The body uses internal mechanisms to ensure that the body temperature is kept at a stable state irrespective of the changes in environmental conditions that could affect it.
Homeostasis refers to the maintenance of a stable internal environment despite changing external conditions, option C is correct.
What is Homeostasis?A biological creature can retain internal stability while adjusting to shifting environmental conditions through a process known as homeostasis. Homeostasis is a dynamic process that can alter internal circumstances as needed to survive threats from the outside world. It is not static and unchanging.
The constant internal, external, chemical, and social conditions that biological systems sustain are known as homeostasis. In order for the organism to function at its best, a number of factors, including body temperature and fluid balance, must be maintained within predetermined ranges.
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What additional information does the chart provide that the text does not include ? answer: there is less gravity on mars than on earth .
Answers
Answer:there is less gravity on mars than on earth .
Explanation:
Answer:
There is less gravity on Mars than on Earth.
Explanation:
The chart shows that Earth gravity: 32 vs. Mars gravity: 12 or, 38% that of Earth.
I got it right.
Which statement best summarizes the data?
O A. The croaking males decided to stop croaking to avoid the bats.
O B. A new mutation made the croaking males stop croaking.
O c. The croaking males adapted to the presence of the predatory
bats.
O D. Noncroaking males were selected for in the site with predatory
bats.
Answers
Answer: the answer is D my mna
Why is a protozoan considered animal-like? It is a heterotroph. It is multicellular. It has a flagellum. It has a cell wall.
Answers
Answer:
The answer was A
It's a Heterotroph
It's means they eat thing outside of themselves instead of producing their own food.
I believe it's correct
Explanation:
Answer:
A. Heterotroph
Explanation:
I took the test and got a 90%.
How many core biosafety work practices (or do's and don'ts) are there, according to the National Research Council’s book entitled, Prudent Practices for the Handling and Disposal of Infectious Materials?
Answers
Answer:
seven
Explanation:
There are seven biosafety practices which should be followed during the Handling and Disposal of Infectious Materials. These biosafety practices were made by the scientists in order to reduce the chances of contamination of worker who deals with the handling and disposal of Infectious or toxic materials. If these seven biosafety practices were not followed by the workers so there is high chances of infection which leads to their death.
During cytokinesis plant cells form a cell plate instead of pinching apart like an animal cell, propose a reason why there is this difference.
Answers
Options are not given in the question. So, the complete question is as follows:
During cytokinesis plant cells form a cell plate instead of pinching apart like an animal cell, propose a reason why there is this difference.
A. The plant cells do not contain centrioles do they cannot pinch apart
B. Plant cells have rigid cell walls so they form a cell plate instead of pinching apart.
C. Plant cells do not divide as rapidly as animal cells
D. In plant cells the large central vacuole prevents the cell from pinching apart.
Answer:
B. Plant cells have rigid cell walls so they form a cell plate instead of pinching apart.
Explanation:
Plant cells and animals cell are somehow different from each other in their structure as well as in functions such as plant cells form a cell plate while animals cells, pinching apart the cells during cytokinesis.
This difference is because plant cells have rigid cell walls that form a cell plate unlike complex cells like animals that being pinch into halves.
Hence, the correct option is "B".
Answer:
Plant cells have rigid cell walls so they form a cell plate instead of pinching apart.
Explanation:
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A student asks, "How does exercise affect an individual’s heart rate?" Which step can the student complete to best help her answer the question through scientific inquiry? She can keep the results to herself. She can conduct background research. She can ask friends for their opinions. She can observe people who do not exercise.
I will mark you
Answers
Answer:
b
Explanation:
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Which statement does the fossil record and DNA
evidence support?
o Chimpanzees and humans do not share any
common ancestors.
O Chimpanzees are cousins to humans.
O Chimpanzees are the ancestors of modern
humans.
Answers
Answer:
B) Chimpanzees are cousins to humans
Explanation:
Just did it, Have a good day!
Answer:
Explanation:The correct answers on edg
Asthma is a respiratory disorder that can cause the airways to temporarily constrict, or get narrower. Which function of the respiratory system is most affected by the narrowing of the airways? A. water balance B. air filtration C. heat balance D. gas exchange
Answers
Answer:
Answer is D.
Explanation:
Asthma is a chronic inflammation that affects the airways, directly affecting the gas exchange of oxygen and carbon dioxide with the blood.
What is asthma?It is a chronic disease of the lungs that inflames and narrows the airways.
Since this disease causes the airways to become inflamed and swollen, it reduces the amount of air that can move in and out of the lungs (gas exchange).
Therefore, we can conclude that asthma is a chronic inflammation that affects the airways, directly affecting the gas exchange of oxygen and carbon dioxide with the blood.
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Mention five similarities between art and philosophy.
Please this is URGENT!! I'll thank u so much if u help me.
Answers
Answer:
The five major similarities between the given instances are described below.
Explanation:
Art seems to be about men's job of making things or even just meanings. Philosophy should be about what life, reality, and wisdom represent.Philosophy couldn't be incorrect, just as art can't be that bad. That is an incoherent term. The argument that theory goes around through communities or never comes to a satisfactory conclusion has always been the main topic including its argument. That's only because philosophy becomes interpreted as if it were science rather than art.Art and Philosophy will say, I'm making this. Those would be the ideal illustration of the intelligence of man.Art seems to be an undertaking that aims at creating something aesthetically intriguing and that would be valued for its attractiveness or expressive strength. Philosophy approaches art from such a situational-perspective, i.e., attempting to ascertain whatever was rather than concentrating on a single piece of art or observing general trends.what is photosynthesis
Answers
Answer:
Photosynthesis happens in the leaves of a plant.
This is a chemical reaction, which takes place inside a plant, producing food for the plant to survive. For photosynthesis to take place, carbon dioxide, water and light are needed.
I HOPE THIS HELPED YOU :)
Answer:
Photosynthesis is the process by which plants make their food.
Explanation:
photosynthesis in plants involve the green pigment called chlorophyll and generates oxygen as by-product.
2. Introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.
Answers
Answer:
Challenge : Competition form other species.
Success : Adaptation and colonisation.
Explanation:
Challenges like adapting to the new environment and different climatic zones and handle other potential threats like predators as snakes, birds, and others. Their potential to find food and sustain themselves will be a challenge. Success factors include their ability to adapt and develop a sense of the different environment and through genetic mutation and natural selection they can develop and grow in numbers.Exotoxins are Question 8 options: only released after a cell is damaged or lysed. proteins. lipopolysaccharides. secretions that always target nervous tissue. antiphagocytic factors.
Answers
Answer:
The correct answer is proteins.
Explanation:
The exotoxins are proteinaceous in nature, they are the toxins, which are discharged from a living bacterium and are also discharged at the time of bacterial lysis. The exotoxins harm humans, however, not all exotoxins generated harm human beings.
Some are even created to perform an essential function in bacteria physiology like regulating functions of the cell, resisting bacteriophages, or quorum sensing. The three prime kinds of exotoxins are type I exotoxins or superantigens, type II toxins or exotoxins that damage host cell membranes, and type III toxins or A-B toxins that interfere with the function of the host cell.
Why has society changed its view on smoking since 1960
Answers
Answer:
Ever since scientists discovered that smoking is bad for the lungs and the body in general, over time there became less and less people who do it. Even though the scientists are right, people still make the wrong choice and start smoking. Most people agree on the fact that smoking is bad for your health.