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Answer:
h20 also know as Water. They have 3 atoms, the blues are hydrogen and the red is carbon.
Related Questions
Foreign antigens presented on class I MHC molecules...stimulate other immune system cells to respond to the antigen.stimulate macrophages to respond to the antigen.stimulate cell destruction by macrophages.stimulate cell destruction by activated T-cells.are not recognized by the T-cells and do not stimulate cell destruction
Answers
Foreign antigens presented on class I MHC molecules stimulate cell destruction by activated T-cells.
This is a critical mechanism of the cellular immune response, where T-cells recognize foreign antigens presented on class I MHC molecules by infected or abnormal cells. Once the T-cells recognize the foreign antigen, they become activated and proliferate, leading to the destruction of the infected or abnormal cells. This mechanism helps to prevent the spread of infection and the development of tumors. The antigens presented on class I MHC molecules are recognized specifically by CD8+ T-cells, which are also known as cytotoxic T-cells. These cells play a central role in the cellular immune response and are essential for the control of viral infections and the development of immunity to cancer.
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a(n) ______________________ is a section of dna containing a sequence of amines.
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A gene is a section of DNA containing a sequence of amines.
What is deoxyribonucleic acid?Deoxyribonucleic acid is defined as the genetic molecule that is located at the nucleus of the cell of the living organism which contains the hereditary information of the organism.
The part of the deoxyribonucleic acid that contains a sequence of amine is the gene. The gene can be said to be the basic unit of the hereditary material of the cell too.
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HELP pls will mark you the brainliest
Answers
Answer:
A the first one
Explanation:
its supper easy just look at the answers and look at the graph and see what one matches
The chief of staff at the hospital asks if it is possible this fungal pathogen is related to the tropical fungus the disease specialist, your colleague, at the BC CDC mentioned. The disease specialist answers the question by stating that it is possible and explain that although the tropical fungus species may have been transported to Vancouver Island years earlier, it may not caused any illness until now because the tropical fungus may not have been able to cause an infection due to being in a different environment that it was adapted to. However, through the process of natural selection acting on mutations, the original fungus could have evolved adaptations enabling it to successfully infect individuals in this new environment. Do you think the disease specialist's explanation is plausible based on what you know about evolution by natural selection?
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Answer:
Explanation:
Yes, the disease specialist's explanation is plausible based on what we know about evolution by natural selection. Let me break it down for you in simpler terms.
The disease specialist is suggesting that the tropical fungus mentioned by your colleague might be related to the fungal pathogen causing the illness at the hospital. They explain that even though the tropical fungus may have been brought to Vancouver Island some time ago, it might not have caused any illness until now. This could be because the tropical fungus was originally adapted to a different environment and couldn't infect people in the new environment of Vancouver Island.
Now, here's where evolution by natural selection comes into play. Over time, organisms can undergo changes in their traits and abilities through a process called natural selection. Mutations, which are changes in the genetic material of organisms, can happen randomly. If a mutation occurs in the tropical fungus that enables it to infect individuals in the Vancouver Island environment, it could be favored by natural selection.
For example, let's say that due to a mutation, the tropical fungus developed adaptations that allowed it to thrive in the new environment and infect people. These adaptations might include changes in its ability to penetrate human cells or evade the immune system. As a result, the fungus would become more successful at causing infections in the Vancouver Island population.
So, the disease specialist's explanation is plausible because it suggests that over time, through natural selection acting on mutations, the original tropical fungus could have evolved adaptations that made it capable of causing illness in the new environment of Vancouver Island.
The points east and west are at the same latitude, so they receive the same amount of solar energy. Explain why points east and west have different ocean temperatures.
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The reason why the points east and west have different ocean temperatures is that despite being at the same latitude, these locations do not have the same temperature such as (26°C, 18°C) because of the divergent ocean currents.
What factors cause the currents that move the water in the ocean?Wind, gravity, as well as variances in water masses' densities brought on by changes in temperature and salinity, and natural occurrences like earthquakes or storms can all contribute to ocean currents.
Therefore, the ocean temperatures in the east and west are different Due to changes in solar radiation and the physical characteristics of water, the temperature of ocean water fluctuates depending on location, both in terms of latitude and depth.
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In the antral phase of follicle development, the follicles are stimulated by LH and _______ to grow tremendously.
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Answer:
FSH
Explanation:
In the antral phase of follicle development, the follicles are stimulated by LH and FSH to grow tremendously.
Is Shibuya City a marine or continental environment?
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Answer:
Well, Shibuya City is located in the Tokyo Metropolis of Japan and since it is an urbanized area, it is an continental environment.
Can someone write the first paragraph
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Hii!!
The purpose of mitosis is to create two new perfectly identical cells when either there is a need to replace old or damaged cells and to reproduce asexually by making new cells. Some organisms use mitosis to replace body parts. For example starfish replace lost arms by mitosis. Some organisms such as the hydra use mitosis to produce genetically identical offspring.
There are four stages of mitosis: prophase, metaphase, anaphase and telophase.
1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres
2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell)
3) Anaphase: sister chromatids are pulled to opposite poles of the cell
4) Telophase: nuclear envelope reforms, chromosomes unfold into chromatin, cytokinesis can begin
● The order of the stages of mitosis can be remembered using the mnemonic PMAT.
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why was it impossible to know about bacteria 5,000
years ago
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Answer:
Im assuming because microscopes hadnt been invented. Also the idea of communicable diseases wasnt around so people assumed it was things like god that caused illness
Answer:
A true understanding of the physiology of these bacteria and their roles in ecology, host health, and natural product production requires their cultivation in the laboratory. Recent advances in growing these species include coculture with other bacteria, recreating the environment in the laboratory, and combining these approaches with microcultivation technology to increase throughput and access rare species. These studies are unraveling the molecular mechanisms of unculturability and are identifying growth factors that promote the growth of previously unculturable organisms. This minireview summarizes the recent discoveries in this area and discusses the potential future of the field.
Explanation:
in general, enzymes are what kinds of molecules?
Answers
Answer:
Enzymes are proteins.
Question 7 of 13 -
This organism has a backbone. It is cold blooded, breathes air
Florida Alligator
Which sentence best classifies
It is an invertebrate and a reptile.
Oltis a vertebrate and an arthropod.
Oltis an invertebrate and an amphibian.
Oltis a vertebrate and a reptile.
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Answer:
The American alligator, Alligator mississippiensis, sometimes referred to colloquially as a gator or common alligator, is a large crocodilian reptile native to the Southeastern United States and northeastern Mexico.
I believe it is the last one. Thi is because Alligators are chordates and therefore vertebrates; this means they have backbones. And we all know that an alligator is a reptile.
Help please someone please what is the answer
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the job of a natural killer cell is to: destroy infected or abnormal host cells. trigger inflammation. release histamine. destroy invading pathogens through phagocytosis.
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The job of a natural killer cell is to destroy infected or abnormal host cells.
A particular class of lymphocytes known as natural killer cells are crucial to the immune system. Because they do not need to be activated in order to kill cells that lack "self" markers, they are referred to as "natural" killers. Both cancer cells and virus-infected cells can be identified and eliminated by them. They contribute to the start of inflammation by releasing cytokines.
Small proteins known as cytokines are released by immune system cells. They serve as signaling molecules that enable cell communication. Inflammation, a crucial aspect of the immune response, can be triggered when natural killer cells release cytokines. Inflammation can aid in the pathogen's destruction as well as the recruitment of additional immune cells to the site of infection or injury.
However, neither do natural killer cells phagocytose or kill encroaching pathogens by histamine release. They rely on their capacity to identify and eliminate infected or abnormal host cells instead. As a result, they play a crucial role in the immune system's fight against cancer and viruses.
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The complete question is-
What is the job of a natural killer cell?
A) destroy infected or abnormal host cells. B) trigger inflammation. C) release histamine. D) destroy invading pathogens through phagocytosis.
how does the DNA determine the order of amino acids?
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a bone fracture in your arm would be part of the ________ division of the skeleton.
Answers
Answer: . appendicular division
Explanation:
For what purpose do lipids accumulate in connective tissue?
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Answer:
the lipids accumulate in connective tissue is used for complex cleaning purpose
Lipid accumulation product (LAP) is an index, which combines waist circumference (WC) and triglyceride (TG) reflecting lipid accumulation. Lipids are available to the body from three sources. They can be ingested in the diet, stored in the adipose tissue of the body, or synthesized in the liver. Lipid storage (especially sphingolipid and unesterified cholesterol) is found in liver and spleen. In the brain, glycolipid storage predominates, often with some decrease in myelin white matter. The condition is inherited as an autosomal recessive trait.
Hope that this can help in some form or fashion :)
explain how the structure of a cell´s membrane is related to its function.
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Answer:
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.
The structure of cell membrane helps in being selectively permeable that play a major role in regulating the entry and exit of molecules into and out of the cell.
The cell membrane is a biological membrane that makes the barrier between the interior of all cells and the outside environment. It is composed of a phospholipid bilayer with embedded proteins.
Due to phospholipid bilayer that has hydrophilic heads toward outside and intercellular matrix and hydrophobic tails in the middle, it is selectively permeable to ions and organic molecules:
It forms a physical barrier between the cell and the external environmentselected necessary molecules to pass through itregulates the entry and exit of molecules into and out of the cell. permits the entry of vital molecules like water, oxygen and amino acids, glucose into the cellthese molecules are crucial for various life processesmetabolic waste products are expelled through the cell membrane.it provides signals from one cell to another.Thus, the major function of cell membrane is due to its structure.
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what happens during each of the four phases of mitosis
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1) Prophase: chromatin into chromosomes, the nuclear envelope break down, chromosomes attach to spindle fibres by their centromeres 2) Metaphase: chromosomes line up along the metaphase plate (centre of the cell) 3) Anaphase: sister chromatids are pulled to opposite poles of the cell 4) Telophase: nuclear envelope
I hope that helps
Answer:
Mitosis has four stages: prophase, metaphase, anaphase, and telophase.
You can remember the order of the phases with Please Pee on the MAT
In early prophase, the cell starts to break down some structures and build others up, setting the stage for division of the chromosomes.
In late prophase (sometimes also called prometaphase), the mitotic spindle begins to capture and organize the chromosomes.
In metaphase, the spindle has captured all the chromosomes and lined them up at the middle of the cell, ready to divide.
In anaphase, the sister chromatids separate from each other and are pulled towards opposite ends of the cell.
In telophase, the cell is nearly done dividing, and it starts to re-establish its normal structures as cytokinesis (division of the cell contents) takes place.
Cytokinesis, the division of the cytoplasm to form two new cells, overlaps with the final stages of mitosis. It may start in either anaphase or telophase, depending on the cell, and finishes shortly after telophase.
I was stuck on this too, you can watch this video to explain it much better
https://www.khanacademy.org/science/ap-biology/cell-communication-and-cell-cycle/cell-cycle/v/mitosis
Please select the word from the list that best fits the definition "falling rain or snow" A. evaporation B. condensation C. precipitation D. water cycle
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List and describe three of the five characteristics of life. * help pls i give 50 points
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Answer:
Order, Sensitivity and response to stimuli, Reproduction, Growth and developement, Regulation, Homeostasis. Hope that helps!
Reproduction is the process in making more of the same species. we won't get into that. Order is the food chain, and what the animal kingdom should cisist of. In sensitivity and response to stimuli, organisms respond to diverse stimuli. For example, plants can bend toward a source of light, climb on fences and walls, or respond to touch. Regulation is kinda like the ability to adapt. Animals come from all over, so they need to adapt to the climate, resources, and other animals around.
Which cellular process is responsible for the formation of gametes in sexual reproduction?
A). fertilization
B). germination
C). meiosis
D). mitosis
Answers
Answer:meiosis
Explanation:
Answer:
A) Meiosis
Explanation:
Meiosis is the cellular process is responsible for the formation of gametes in sexual reproduction
Hope this helps :)
Which of the following best compares seedless vascular plants and nonflowering vascular plants? (2 points)
Both contain xylem and phloem, but seedless vascular plants reproduce sexually and nonflowering plants reproduce asexually.
Both reproduce sexually, but seedless vascular plants produce spores, and nonflowering vascular plants produce cones.
O Seedless vascular plants contain xylem and reproduce sexually, while nonflowering vascular plants contain xylem and phloem and reproduce asexually.
Seedless vascular plants can reproduce sexually or asexually, while nonflowering vascular plants lack flowers or fruit and reproduce asexually.
Answers
Answer: Both contain xylem and phloem, but seedless vascular plants reproduce sexually and nonflowering plants reproduce asexually.
Explanation: we are learning about this in biology right now.
What happens to telomeres as a cell divides reapetedly
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This is because the enzyme that replicates DNA, called DNA polymerase, is unable to copy the very end of the chromosome. Instead, it leaves a small gap, and the telomere becomes slightly shorter after each round of DNA replication.
Over time, as the telomeres become shorter, the cells lose their ability to divide and eventually enter a state of senescence or programmed cell death. This is known as the Hayflick limit, named after the scientist who first observed that cells have a limited number of times they can divide before they stop.
However, certain cells, such as stem cells and cancer cells, can bypass this limit by using an enzyme called telomerase to lengthen their telomeres. In these cells, telomerase prevents telomere shortening and allows the cells to continue dividing indefinitely.
REGARDING X RAY PRODUCTION AND X RAY TUBE
What determines the energy of Brems rays? Of characteristic
rays
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The energy of Bremsstrahlung (Brems) rays and characteristic rays in X-ray production is determined by different factors:
Bremsstrahlung (Brems) Rays: The energy of Bremsstrahlung rays is determined by the deceleration of high-speed electrons as they interact with the atomic nucleus of the target material in the X-ray tube. Characteristic Rays: Characteristic X-ray photons are produced when an incident electron interacts with an inner-shell electron of the target material, causing the displacement or ionization of the inner-shell electron.In summary, the energy of Bremsstrahlung rays is determined by the kinetic energy of the incident electron, while the energy of characteristic rays is determined by the difference in binding energies of the involved electron shells in the target material.
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Why is the Colombian exchange an import part in the history of artificial selection and selective breeding?
Click on the image to see the answers
Answers
The Columbian Exchange is an important part of the history of artificial selection and selective breeding because it led to the introduction of many new plants and animals to both the Old World and the Americas.
Why is the Columbian Exchange an important part of the history of artificial selection and selective breeding?The Columbian Exchange allowed for the transfer of crops, livestock, and other organisms that were not previously present in certain regions, and as a result, new opportunities for artificial selection and selective breeding arose.
For example, the introduction of horses to the Americas by the Spanish Conquistadors allowed Native American tribes to selectively breed these animals for specific traits, such as strength or speed, which in turn influenced their way of life and economy.
Similarly, the transfer of crops like maize, potatoes, and tomatoes from the Americas to Europe and Africa allowed farmers to selectively breed these plants for desirable traits, leading to the development of new varieties that were better adapted to local growing conditions and had higher yields.
The Columbian Exchange, therefore, played a significant role in the development of modern agriculture and the global movement of crops and livestock, and allowed for the spread of selective breeding techniques and artificial selection practices around the world.
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Complete question:
4. Why is the Columbian Exchange an important part in the history of artificial selection and selective breeding?
о Christopher Columbus was the first person to artificially breed animals during the Columbian Exchange.
о Christopher Columbus and Charles Darwin worked together to crossbreed pea plants during the Columbian Exchange.
Christopher Columbus opposed the Columbian Exchange and was a believer in keeping plants and animals in their natural domain and not moving them across oceans.
It was the first transfer of products between the Old World and the Americas; apples are an example of fruit involved.
Minerals:
A. were once living
B. are man-made materials
C. are only found in rocks
D. naturally grow into crystals
Answers
Which of the following is NOT a
grassland biome?
Taiga
Desert
Tropical Savanna
Tundra
Answers
Answer:
A
Explanation:
The answer should be Taiga
Answer:
Hey there!
The taiga, desert, and tundra are not grassland biomes.
Let me know if this helps :)
The Marianas trench contains Challenger Deep, the deepest point in the ocean floor that we know of today. Challenger Deep is located over 11,000 meters below the ocean surface. What ocean zone would be located just above the floor of Challenger Deep?
Answers
Answer:
Above the floor of challenger deep, the ocean zone located would be the Hadal zone .
Explanation:-
THE CHALLENGER DEEP - The deepest location in the ocean is the Challenger Deep, at the southern end of the Mariana Trench (sometimes called the Marianas Trench). It is difficult to measure its depth from the surface, but modern estimates vary from 305 meters (less than 1,000 feet). The Challenger Deep 's great depth is due to the successful steepening of the subducting slab along a region of poor link with the overriding plate tearing away from the northern part of the Mariana Trench in the southern part of the Mariana Trench.
THE HADAL ZONE -: The Hadal zone (named in Greek mythology after the domain of Hades, the underworld),, is the ocean's deepest area lying within oceanic trenches. The hadal zone is located at a depth of about 6,000 to 11,000 meters (20,000 to 36,000 feet) and is present in long but narrow V-shaped topographic depressions.
Hence, the answer is Hadal zone ,which is located just above the floor of Challenger Deep.
Answer:
Hadal zone
Explanation:
I took the test and Hadal zone was the correct answer for this question
Anthony needs to buy a new phone, so he narrows down the list of possible phones by eliminating those that don’t meet certain criteria. Which strategy is Anthony most likely using?
A.
fast and frugal heuristic
B.
elimination by aspects strategy
C.
theory of bounded rationality
D.
additive strategy
THE ANSWER B
Answers
Answer:
B
Explanation:
Elimination by aspect strategy
Anthony is most likely using the elimination by aspects strategy. Option b is correct.
This decision-making strategy involves narrowing down options by evaluating them one by one based on specific aspects or criteria. Anthony is eliminating phones that don't meet his criteria, which is a characteristic of the elimination by aspects strategy. This approach allows him to focus on the most important aspects and make a decision based on those criteria.
The fast and frugal heuristic (option A) is a decision-making strategy that involves quickly making judgments based on a limited set of cues, which might not align with Anthony's process of systematically eliminating options based on criteria.
The theory of bounded rationality (option C) is a concept that acknowledges that individuals make decisions within limits, considering factors like time, information, and cognitive capacity. While related, it doesn't directly describe the specific strategy Anthony is using to narrow down his phone choices.
The additive strategy (option D) involves assigning scores or values to different options and adding them up to make a decision. This doesn't align with the description of Anthony eliminating options based on criteria.
Therefore, the elimination by aspects strategy best describes Anthony's approach of narrowing down his phone choices by eliminating those that don't meet specific criteria, allowing him to make a more informed decision.
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what is the weight in mars
Answers
Answer:
Being that it takes the weight of an object on earth and converts it to Martian weight, the formula is Weight on Mars= (Weight on Earth/9.81m/s2) * 3.711m/s2. To find the Martian weight, we divide the weight on earth by the earth's force of gravity, which is 9.81m/s2. This calculates the mass of the object.
Explanation:
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