The sun undergoes nuclear fusion, which generates solar energy. The protons of colliding hydrogen atoms fuse to generate helium atoms during fusion in the sun's core. This technique produces a huge quantity of energy because of a PP (proton-proton) chain reaction.
Solar energy is the general term for all solar energy. The sun undergoes nuclear fusion, which generates solar energy. The protons of colliding hydrogen atoms fuse to generate helium atoms during fusion in the sun's core.
Solar energy may be used to make energy, heat water, and cook meals. Additionally, it is possible to store the electrical energy produced by solar energy. The sole constraint on solar energy as a renewable resource is our capacity to efficiently and economically convert it to electricity.
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what is fermentation
Answer:
the chemical breakdown of a substance by bacteria, yeasts, or other microorganisms, typically involving effervescence and the giving off of heat.
Explanation:
Answer:
Fermentation is the process when a substance breaks down into simpler substance. microorganisms like yeast and bacteria usually play a role in the process. it creates beer, wine, bread, yogurt and other foods.
Cell Length of one side Area of one side of the cube (l × w) Surface area (area of one side × 6 sides) Volume (l × w × h) Surface area / volume Ratio of surface area to volume (for example, 5:1) A 1 cm B 2 cm C 3 cm
The complete question is as follows:
1. What does a surface area/volume ratio of 6:1 mean for the cell’s ability to get the materials it needs that move across its surface?
2. What does a surface area/volume ratio of 3:1 mean for a cell’s ability to get materials across its membrane, compared to the cell with a ratio of 6:1?
Answer:
1 . Surface area to volume ratio = 3 : 1
surface area= 3 cm³ or (l = 1 cm) (1 cm x 1 cm x 3) (W = 3)
volume= 1 cm³ (1cm x 1cm x 1cm)
2. Surface area to volume ratio = 6 : 1
surface area= 6 cm³ or (1 cm x 1 cm x 6 ) (w= 6)
volume= 1 cm³
Diffusion increases with the increase in surface area to volume ratio through the semi-permeable membrane of the cell membrane that allows substances to move into the cytoplasm
Help with this ASP please
Answer:
Covalent bonds formed by shared electrons between atoms.
Explanation:
A mutation can cause a defect in human hemoglobin. Which would result in this type of mutation?
Answer:
Decreased ability to carry oxygen. -a result in this type of mutation.
Answer:
There would be a decreased ability to carry oxygen, there will be development of cancer tumors, and there would be an inability to break down sugar development of bacterial infections.
Explanation:
Read through the list of organisms below. Of the organisms below, which ones are autotrophs? . aquatic photosynthetic bacteria a blue whale cheetah green-winged macaw honeybee humans maple tree phytoplankton rye grass tulips
Answer:
aquatic photosynthetic bacteria, maple tree, phytoplankton rye grass tulips
Explanation:
All are plants or does phtosynthesis which is what autotrophs are.
investigating the relationship between reopening the economy and implementing control measures during the covid-19 pandemic
There is great relationship between reopening the economy and implementing control measures during the covid-19 pandemic.
What is the relationship between reopening the economy and implementing control measures?There is great relationship between reopening the economy and implementing control measures during the covid-19 pandemic because if the control measures are implemented correctly then the reopening of economy is a good decision. Due to this, we can carried out the economic activities without any fear of the pandemic.
So we can conclude that there is great relationship between reopening the economy and implementing control measures during the covid-19 pandemic.
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you where these terms were introduced.
1. Describe the difference(s) between the
following terms.
(a) concentrated and dilute (4.1)
(b) acid and base (4.2)
Answer:
A. concentrated is the substance on its own, dilute is the substance mixed with (diluted) water.
B. an acid increases the concentration of H+ ions. A base is a substance that releases hydroxide (OH-) ions (in aqueous solution, donates electrons and accepts protons)
Explanation:
What do the results tell us about the experiment? The bacteria from all 3 farms were almost 100% alive in the control samples, meaning that the experiment did not work. None of the bacteria from the 3 farms survived in the control samples. Because the bacteria in the control were almost 100% alive, we know that any deaths of bacteria in the other samples was because of the antibiotics.
Answer: D
Explanation: The ones who are doing this on Gizmos the answer is D.
“Because the bacteria in the control were almost 100% alive, we know that any deaths of bacteria in the other samples was because of the antibiotics.” Y’all should like my answer n give me the brain answer.
The results tell us that in the experiment the death of the bacteria in the other samples was because of the antibiotics, confirming that the bacteria from the farms are sensitive to antibiotics.
What does it mean that the antibiotic is sensitive to bacteria?If a bacterium undergoes the action of an antibiotic, it is said to be sensitive; if, on the contrary, the antibiotic has no effect on the bacterium, it is said to be resistant. Resistance can be natural or acquired (eg, by plasmid transfer or mutations).
With this information, we can conclude that the results tell us that in the experiment the death of the bacteria in the other samples was because of the antibiotics, confirming that the bacteria from the farms are sensitive to antibiotics.
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What major impact would any of these conditions most likely have on a living species?
A)
If unable to adapt, a species could become extinct.
B)
More food and water would become available.
C.
They would begin reproducing more quickly
D)
Predators would be hunted by their prey.
According to Darwin, natural selection is a process by which?
Answer:
According to Darwin natural selection is a process by which living organisms adapt and change to survive in nature and it's limited resources.
energy restriction mimetic agents to target cancer cells: comparison between 2-deoxyglucose and thiazolidinediones pdf
There is the use of energy restriction mimetic agents (ERMAs) to selectively target cancer cells which are addicted to glycolysis and could be a promising therapeutic approach.
Thiazolidinediones (TZDs) are synthetic agonists of peroxisome proliferator-activated receptor (PPAR)γ that were developed to treat type II diabetes.
These compounds also display anticancer effects which appear mainly to be independent of their PPARγ agonist activity but the molecular mechanisms involved in the anticancer action are not yet well understood. Results obtained on ciglitazone derivatives, mainly in prostate cancer cell models, suggest that these compounds could act as ERMAs.
2-Deoxyglucose as an energy restriction mimetic agent: effects were on mammary carcinogenesis and on mammary tumor cell growth in vitro.
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A distribution between 2 sets of genes is called what?
Explanation:
Allele is possibly the answer
the prompt: the diagram above shows how carbon is cycled through the environment. what two processes are most important in maintaining this cycle? make sure your claim is supported with evidence and reasonable. include a rebuttal in your response.
In the environment, the carbon cycle is maintained by two different processes, such as photosynthesis and the decomposition of dead organisms. The carbon level is balanced in this way.
What is the carbon cycle?The carbon cycle carries out its work in the environment and maintains the level of carbon in the atmosphere, and the major source of the carbon cycle is photosynthesis, where the plants take the carbon dioxide and water and, with the help of sunlight, glucose and oxygen are released. Glucose is a carbon-based food that can be used by both plants and animals for cellular activities, resulting in the release of carbon dioxide. Decomposers release carbon into the soil and the atmosphere after living organisms, such as plants and animals, die, and in this way the carbon cycle continues.
Hence, in the environment, the carbon cycle is maintained by two different processes, such as photosynthesis and the decomposition of dead organisms.
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Is the answer I choose for this correct
Describe the changes that happen as a cell differentiates to become a specialised cell
Cell differentiation is how generic embryonic cells become specialized cells. This occurs through a process called gene expression. ... During cell differentiation, the cell size and shape changes dramatically, as does its ability to respond to signaling molecules.
i need this i am doing a finals review.
Answer:
B. Evaporation
Explanation:
What is the step of cell division where 2 identical daughter cell are formed?
Answer:
It's MITOSIS.
Explanation: We are also learning about this in class.
During mitosis, a eukaryotic cell undergoes a carefully coordinated nuclear division that results in the formation of two genetically identical daughter cells. Mitosis itself consists of five active steps, or phases: prophase, prometaphase, metaphase, anaphase, and telophase.
In mitosis of the cell cycle, a eukaryotic cell undergo nuclear division followed by cytoplasmic division results form two genetically identical daughter cells. Mitosis It consist of five phases: prophase, prometaphase, metaphase, anaphase, and telophase.
What is mitosis ?The process in which somatic cell undergo equational division where equal number of daughter cell produced from their parent cell.
Here the number of chromosomes remains the same, except in the case of germ cells where the number of chromosomes become half and the nucleus of a cell is divided into two nuclei having equal amount of genetic material.
nuclear division is followed by cytoplasmic division after the separation of the nucleus. It is important for the growth of the cells and the replacement of worn-out cells.
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Describe an example of fermentation that occurs in beneficial bacterial cells within animals and explain why it is important.
Fermentation is an anaerobic process in which energy can be released from glucose even though oxygen is not available. Fermentation occurs in yeast cells, and a form of fermentation takes place in bacteria and in the muscle cells of animals. In these situations, your working muscles generate ATP anaerobically (i.e., without oxygen) using a process called fermentation. Fermentation is beneficial in that it can generate ATP quickly for working muscle cells when oxygen is scarce. Fermentation helps break down nutrients in food, making them easier to digest than their unfermented counterparts. For example, lactose — the natural sugar in milk — is broken down during fermentation into simpler sugars — glucose and galactose ( 20 ).
Microbial fermentation takes place within the gastrointestinal tract of the majority of the animals by the bacterial cells, this helps in the process of digestion and in the synthesis of certain essential components like vitamins.
• The enzymatic decomposition and the usage of food components, mainly carbohydrates by the help of microbes like bacteria anaerobically is termed microbial fermentation.
• Within the gastrointestinal tract of the majority of animals, the process of fermentation takes place, however, the intensity of fermentation depends on the quantity of bacterial cells present, which is usually greatest in the intestine.
• The process of fermentation within the intestine by bacteria primarily helps in the process of metabolism and digestion of carbohydrates that does not get digested in the small intestine like residual starch and cellulose.
• Apart from this, microbial fermentation also helps in the production of vitamin K and some B vitamins.
Thus, microbial fermentation within the intestine of the majority of the animals performs essential functions like digestion and production of vitamins.
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Which term includes the living and nonliving things in an area?
A. ecosystem
B. chemosynthesis
C. climate
D. hierarchy
Answer:
A.
Explanation:
It seems most likely.
A population of 5000 long-horn beetles lives in a tract of forest. What variables would affect the rate at which the population increases or decreases?
Answer: Weather, food competition
The variables that would affect the rate of the population whether it is increase or decrease are as follows;
Environmental conditions.Competition with other organisms. Available resources like food and space.What do you mean by Population?A Population may be defined as a group of individuals belonging to the same species living in the same area at a definite given time.
Environmental conditions vary from place to place which directly affects the rate of the population by influencing the relative fitness of organisms. The competition also inhibits the fitness and survivability of organisms.
It may be intraspecific and interspecific. While food and space together lead to resources that are available for the organisms in order to reproduce themselves under natural conditions.
Therefore, the variables that would affect the rate of the population whether it is increase or decrease are well described above.
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A streak plate may be used to identify which mineral property? (1 point)
O color
O luster
O cleavage
O tenacity
Answer: Color.
Explanation: The rock is dragged against the plate to show its true colors instead of its visible external colors.
what part of the cell serves to process, package, and export protein?
Which of the following is NOT a benefit of fertilizer?
enriches the soil with nitrogen, potassium, and phosphorus
O nourishes plants to encourage rapid and healthy growth
O prevents need to abandon fields and clear land for new ones
allows farmers to grow plants using very little soil
Answer:
Allows farmers to grow plants using very little soil
Explanation:
Fertilizer helps us to return the nutrients to the soil for new or current plants to grow. These nutrients were spent by the plants that were there or the soil was not that rich with nutrients, to begin with. It will not replace soil and growing plants without soil is called hydroponics. Fertilizer is very useful in agriculture currently and most likely will continue to be a good way to grow plants for a while.
Answer: The correct answer is allows farmers to grow plants using very little soil
Explanation: This answer has been confirmed correct.
What are the 3 main things in a nucleus
Answer:
The nucleus consists of the following main parts: (1) Nucleolemma or nuclear membrane (karyotheca) (2) Nuclear sap or karyolymph or nucleoplasm (3)
Explanation:
Answer:
1. The nucleus; 2. Nuclear Lamina; 3. Nucleoplasm;
Explanation:
Biology: For the following fill in the blank questions choose from the following words. Each word may only be used once or not at all: photosynthesis, cellular respiration, abiotic, biotic, primary succession, secondary succession, climax communities, pioneer species, biodiversity, and sustainable.
4. The process by which autotrophs use energy from sunlight to build carbohydrates is called ____________________.
Answer:
photosynthesis
Explanation:
Each cell runs on the chemical energy found mainly in carbohydrate molecules (food), and the majority of these molecules are produced by one process: photosynthesis. Through photosynthesis, certain organisms convert solar energy (sunlight) into chemical energy, which is then used to build carbohydrate molecules.
Assertion -Apical meristem is present at shoot and root tips.
Reason-It helps in the longitudinal growth of plants.
a)Both A and R are true and R is thecorrect explanation of the A
b)Both A and R are true, but R is not the correct explanation of theA
c)A is true, but R is false
d)A is false, but R is true
Explanation:
Apical and intercalary meristems always increase in the height of plant and lateral meristems is responsible for secondary growth (increase in girth) but secondary growth doesn't occur is monocots.
Cassandra notices that when she breathes on a cool window, the water vapor in her breath forms liquid water. What happens to turn the water vapor in her breath into liquid water?
Heat is added to the water vapor from the surrounding air.
The temperature of the water vapor increases as it leaves her body.
The water molecules become more spread apart as they touch the window.
Heat leaves the water vapor as it touches the cool window
Answer:
Heat is added to the water vapor from the surrounding air.
Explanation:
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Reindeer roam over hundreds of miles to search for food the have a far reaching
A-Niche
B- Habitat
C- Community
D- Ecosystem
Answer:
B. Habitat
Explanation:
Ecosystems are geographical regions made up of biotic factors (plants, animals, bacteria) and non-living or abiotic factors (rocks, rainfall, temperature).
They live in groups called communities within their ecosystem and occupy a specific place in their community, a niche - here, they contribute to nutrient cycling and energy flow. They may often wander in search of food, or shelter in a region known as a habitat.
In a forest ecosystem, wolves hunt and eat deer. What would happen to the ecosystem if a large number of wolves were hunted and killed by humans? Choose the two correct answers. A. The number of deer would increase. B. The number of deer would decrease. C. The vegetation in the forest would increase. D. The vegetation in the forest would decrease. E. The vegetation in the forest would stay the same.
Answer:
The correct answer would be -
A. The number of deer would increase
D. The vegetation in the forest would decrease.
Explanation:
If a large number of hunters or predators are removed from an ecosystem, then there will be, the change that will be found would be increase in the numbers of the prey in the ecosystem. Due to this increase in the numbers of prey the food resources would decrease.
In the given case, the number of deers will increase in absence of enough predators which will lead to overgrazing that will decrease the vegetation in the ecosystem.
Answer:
A+D
Explanation:
If all the wolves were killed then the deer would not die so the number of deer would increase, what does increase mean? increase means that the number of something grows, and decrease means that the number of something would lower and lower until there are none left, or extinct
in at least one group of fish, osteichthyes, a structure known as a swim bladder was modified to become a primitive lung.
True. In at least one group of fish, osteichthyes, a structure known as a swim bladder was modified to become a primitive lung.
what is osteichthyes?Fish belonging to the taxonomic order Osteichthyes, also known as the "bony fish," have skeletons that are predominantly made of bone tissue. In contrast to them, the Chondrichthyes have skeletons that are predominantly made of cartilage.Jawed fish belonging to the osteichthyes order have a bony endoskeleton. It is the largest group of vertebrates and has a wide variety of freshwater and marine bony fishes.Lungfish, salmon, clownfish, and eels are four examples of Osteichthyes. Along with coelocanths, lungfish belong to the class subclass Sarcopterygii. The subclass Actinopterygii includes the fish that most people are familiar with, such as salmon, clown fish, eels, and fish.Learn more about osteichthyes here:
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