The growing of food is central to which type of society?
OA. An agrarian society
OB. A great society
OC. A functional society
OD. An industrial society

The metalloids that would behave more like metals is known as metalloids in group 16.

The metalloids that would behave more like nonmetals are metalloids in group 13.

This is a chemical element that forms a simple material with properties that fall somewhere between those of a conventional metal and a typical nonmetal is referred to as a metalloid in chemistry.

In chemical reactions, metalloids can behave either like metals or like nonmetals. The majority of metalloids exhibit both metallic and nonmetallic physical characteristics.

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Answer:

16

13

Explanation:

c) Assist in the blood clotting process is not a function of the lymphatic and immune systems.

Blood clotting is a process that is done by the coagulation system of the body. Neither the lymphatic nor the immune system has any role is the blood clotting process.

The major role of the immune system is to provide a defense to the body agast any foreign particle that invades the body and has the potential to cause an infection in the organism.

The major function of the lymphatic system is to remove all the excess fluids in the body so that the fluid levels can be maintained in the body of an organism.

Hence, all of the above options are either the function of the immune of the lymphatic system except option c.

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The technology that needs to be used to separate the GFP gene from a sample of jellyfish from the rest of the DNA is gel electrophoresis.

Gel electrophoresis is a technique used in molecular biology laboratories to separate molecules according to the electrical charges and size. DNA has a negative charge, thereby this molecule can be separated according to the size of its fragments that migrates to the positive pole.

Therefore, we can conclude that gel electrophoresis is a technique used to separate fragments of DNA in a sample.

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Increased membrane fluidity at higher temperatures would be the effect of cyclodextrin treatment that is most likely to have a significant effect on cells.

A lipid that is essential for a healthy body and for the proper operation of cells. It is produced naturally in the liver and is absorbed from food as it travels through the intestines. All cells require it, and the bloodstream carries it.

A fluid buffer, cholesterol has this function. By preventing the membrane from getting too close, it keeps it more fluid even in extremely cold temperatures. It loses fluidity when the temperature is too high.

It stabilizes the plasma membrane by preventing the phospholipids from moving around too much. Between the heads of the phospholipids, the OH group extends to the hydrophilic membrane surface.

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The nucleus is an organelle that contains the genetic material called, DNA, which enables the cell to perform its living functions & divide to form new cells.

b) Chloroplast is where the process of photosynthesis in plant cells occur. Contain chlorophyll that is green in colour.

C) mitochondria are small structures where the process of respiration occurs. During respiration, ATP, is released from food & used for meatbolism

d) cytosol is a jelly-like substance surrounding the inner structures of the cell. It transports nutrients around the cell & it is where the cell's glucose are broken down.

e) Cell wall: is a rigid structure on the outside of the cell. It protects the cell & gives it shape & also allows nutrients & fluids to pass through it.

f.) cell membrane: is the semi-permeable structure of the cell . it allows only some molecules to pass through it.

g) vacuoles are present in both plant & animal cells. It is storage space that contain enzymes surrounded by a memebrane.

Cellular respiration is the process by which large food molecules are broken down in the body to release energy in the form of ATP.

Cellular respiration may be aerobic or anaerobic.

Aerobic respiration takes place in the presence of oxygen whereas anaerobic respiration takes place in the absence of oxygen.

The food molecules which are ingested and then broken down are produced by plants during the process of photosynthesis.

Photosynthesis takes place in organelles called chloroplast which contain the green pigment, chlorophyll.

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In multicellular organisms, cell division allows development from a single cell into a multicellular organism, growth and making other cells to repair and replace worn-out cells (Option b all are correct).

Mitosis is a cell division process by which multicellular organisms can grow, repair tissues and also develop from a single cell called the zygote. This process is fundamental during the lifespan of multicellular life forms.

Therefore, we can conclude that mitosis is a multipurpose cell division process in multicellular organisms because it allows to growth and repair of tissues.

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A living thing

A collection of one species in a habitat

All species living in an area

Everything in a location, both living and nonliving

An organism is a living thing. A living region only contains one species of the same species. The term "all species residing in a place" refers to all local organisms. An area's biotic and abiotic components both comprise living and nonliving elements.

Researchers in the field of ecology focus on five major levels: organism, population, community, ecosystem, and biosphere. These levels are sometimes studied separately and other times they overlap.

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I understand the question you are looking for :

order the levels of organization from smallest (top) to largest (bottom)

A group of the same species in a living area, all living and nonliving things in an area, a living thing, all species living in an area

If the top-level consumers were eliminated from a food web, then the populations in the levels below them would decrease due to the disequilibrium in the homeostasis of the ecosystem.

The expression homeostasis of the ecosystem makes reference to all relationships between biotic and abiotic factors in an ecosystem which are fundamental to maintaining the state of internal equilibrium of complex biological ecosystems.

The elimination of top consumers in a trophic chain will lead to the disequilibrium of the ecosystem because it would produce an increase in the organism located immediately below, and then organisms located at two trophic levels below would decrease as a consequence of the increase in the number of consumers.

Therefore, we can conclude that ecosystems are delicate complex biological systems where all trophic levels are related and maintain an equilibrium.

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The main calvin cycle byproduct that is exported from the chloroplast and used by the plant cell is trise phosphate.

Calvin cycle, also known as the C3 cycle, is a series of chemical processes used by plants to convert carbon dioxide and other chemicals into glucose.

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Answer:

Cells are the basic building blocks of all living things

Explanation:

Answer: Cells are the basic building blocks of all living things

Explanation: WHATS UP GUYS >:D anywho I hope u guys are a great day and I hope this helps <3

Answer:

glucose

Explanation:

its stored in the mitochondria as Adenosine 5'-triphosphate

Answer:

B. the economies in Africa will be challenged to support a growing population.

Explanation:

Just because Africa is increasing faster than any continent, doesn't mean its improving or going to improve. More children means more healthcare for families which is more expensive. And most of Africa's population are in Stage 1. (Below Poverty, less than $1.10 a day). Most Africans don't make it past 64 years.

In order to show the role of photosynthesis and cellular respiration in the cycling of carbon among the biosphere, atmosphere, hydrosphere, and geosphere, we would explain how they are important to the carbon cycle.

This is because the carbon cycle helps recycle carbon into the atmosphere and cellular respiration helps to release carbon dioxide and the use of photosynthesis pulls off the carbon dioxide from the atmosphere.

This refers to the process through which green plants generate food through the use of sunlight.

Hence, we can see that the role of photosynthesis and cellular respiration has been explained above.

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Answer: The nervous system uses tiny cells called neurons to send messages back and forth from the brain, through the spinal cord,  to all the nerves throughout the body. Billions of neurons work together to create a communication network. Different neurons have different jobs.

Explanation:  

Neurons are the fundamental units of the brain and nervous system, the cells responsible for receiving sensory input from the external world, for sending motor commands to our muscles, and for transforming and relaying the electrical signals at every step in between.

The Green Revolution was characterized by C increased yields by providing large improvements in the food production sector.

Large improvements in food production in developing nations were a hallmark of the “green revolution,” which was brought on by increasing use of herbicides, fertilizers, and different crop varieties.

The introduction of new, high-yielding cultivars into developing countries, which started in the middle of the 20th century with Borlaug’s work, had a significant role in the Green Revolution’s increased the production of different kind of food grains (particularly wheat and rice).

The green revolution boosted the availability and use of fertilizers, weedicides, and insecticides to increase farm output and minimize crop loss or damage.

With the development of commercial farming, it also assisted in promoting agriculture throughout the nation.

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Answer: aerobic cellular respiration

Explanation: got u

Answer:

Glucose is broken down during cellular respiration.

Explanation:

Hope it helps! =D

If a cell has a large number of chloroplasts present, the most likely function of that cell is photosynthesis. The correct option is D.

"Chloroplast is an organelle that contains the photosynthetic pigment chlorophyll, which captures sunlight and converts it into useful energy, allowing oxygen to be released from water."

They are in charge of photosynthesis, which is the process of converting light energy into sugar and other organic molecules that plants and algae use as food.

They also produce amino acids and lipids, which are required for the production of chloroplast membranes.

Thus, the correct option is D.

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Answering all 5 questions:

Answer 1: As shown in the picture- deer is one such biotic factor and water is an abiotic factor.

Answer 2: As an organism's survival, both biotic and abiotic play crucial parts in every organism's life. Abiotic factors are limited on this earth and with the growing population of organisms ( plants and animals), competing for getting basic things needs to become an edge for survival by parasitism, mutualism, and commensalism.

2 biotic factors like plants(food) and animals( meat) and 2 abiotic factors like soil and water- with these 2-2 biotic and abiotic factors, human beings as an organism compete with other human beings for survival.

Answer 3: Plants cannot move, however, from the germination of a seed to a fully grown-up tree, it requires space, sunlight, water, minerals, and air for which plants also compete with other trees and even with human beings for water consumption and space.

Answer 4: If animals living in arctic regions start experiencing global warming effects, they do three things: move, adapt or die. In adaptation, to the change in temperature, arctic animals may change their behavior and become less vulnerable to heat. They may also witness some body shape changes within themselves.

Answer 5: food chain is a chain of organisms where one organism acts as food for another organism to maintain the population of each organism. While food web is a collection of all food chains that exist in the ecosystem from an ant to a big elephant or a powerful lion.

Food chain and food web help in balancing the whole biodiversity of the environment.

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The inventors of the compound are aiming primarily at offering it as a method for controlling the numbers of jellyfish although this will clearly be unsuccessful since shortly after fertilization jellyfish, and larvae become plant-like polyps, which rooted to the sea floor, facilitating budding, and the final release of offspring.

The informal popular names for the medusa-phase of several gelatinous members of the subphylum Medusozoa, a significant division of the phylum Cnidaria, are jellyfish and sea jellies. Many varieties of jellyfish are largely safe for people to consume. Others have the capacity to produce extreme discomfort and systemic response.

When jellyfish are stuck to coastal reefs, they are in the stalked (polyp) phase. When they are in the jellyfish (medusa) phase, they are floating among the plankton. The medusa is in the reproductive stage; its eggs undergo internal fertilization and grow into larval planulae that may swim freely.

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False

Blood-brain barrier (BBB) is a selectively permeable membrane that regulate the the movement of molecules and cells into the brain from the blood.

It helps in maintaining the brain homeostasis by regulating the amount of molecules that enter the brain.

BBB is formed by endothelial cells of the brain and the barrier effectively seperate the brain from the rest of the body

Although study has shown that the interactions of endothelial cells with oligodendrocytes induce BBB function, the blood-brain barrier is not singlehandedly formed by oligodendrocytes.

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In biology, fitness describes an organism's ability to survive and reproduce. According to Darwin's those organisms have greater fitness which are better adapted to live.

Darwin's idea of evolution, those organisms have greater fitness which are better adapted to live in an environment and which can adapt to changes in an environment. These organisms then pass their characteristics to their off springs. Increases fitness- A dark-colored moth is able to avoid predation on black-barked trees- Red male beetles are preferred by females over other color variants- A mouse with certain kidney adaptations requires less water Decreases fitness- Small-baked finches are less capable of eating large seeds- Bright orange beetles are more likely to be seen by the birds that eat the beetles.

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The question was incomplete. Check below the full question.

In biology, fitness describes an organism's ability to survive and reproduce. Classify the following examples of inherited variations as acting to increase or decrease an organism's fitness- A dark-colored moth is able to avoid predation on black-barked trees- Bright orange beetles are more likely to be seen by birds that eat the beetles- Small-beaked finches are less capable of eating large seeds- Red male beetles are preferred by females over other color variants- A mouse with certain kidney adaptations requires less water in the desert.

Charles Darwin was a nineteenth‑century biologist who put forth the theory of evolution through natural selection and published his idea in the book entitled on the origin of species.

Charles Darwin was the evolutionary scientist who can up with the theory of natural selection and published his findings in the book known as the origin of species. This book, written by Darwin, forms the basis of evolutionary biology.

According to the theory of natural selection, those organisms that are better able to survive and adapt to an environment are selected naturally by the environment to reproduce and pass on their characteristics. The organisms which are not adaptable to the environment get removed from the environment through the process of evolution.

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Answer:

Alzheimer's disease

Explanation: did this in my biology class as well hope it helps though

A group of experimental drugs focuses on blocking the construction of neurofibrillary tangles by keeping tau protein anchored to microtubules as a possible treatment for Alzheimer's disease.

Neurofibrillary tangles are abnormal aggregations of tau protein that accumulate inside neurons in the brains of individuals with Alzheimer's disease. These tangles disrupt the normal functioning of neurons and contribute to the progression of the disease. Therefore, developing drugs that target the formation of neurofibrillary tangles is a potential therapeutic approach for Alzheimer's disease.

The experimental drugs mentioned in the statement aim to block the construction of neurofibrillary tangles by keeping tau protein anchored to microtubules. Tau protein normally plays a critical role in stabilizing microtubules, which are essential components of the cell's cytoskeleton responsible for maintaining cell shape and facilitating intracellular transport.

In Alzheimer's disease, abnormal modifications of tau protein cause it to detach from microtubules, leading to the formation of neurofibrillary tangles. These experimental drugs are designed to prevent the detachment of tau protein from microtubules, keeping it anchored and inhibiting the formation of tangles.

By maintaining the proper function of microtubules and preventing the aggregation of tau protein, these drugs aim to slow down or halt the progression of Alzheimer's disease. The potential benefits include preserving neuronal integrity, reducing cognitive decline, and improving overall brain function in affected individuals.

However, it is important to note that the effectiveness and safety of these experimental drugs are still being studied, and they have not yet been approved for clinical use. Ongoing research is vital to further understand the mechanisms involved and to develop effective treatments for Alzheimer's disease.

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The factors that might contribute to the development of melanoma in other 90% of patients is: all the given choices i.e., exposure to solar radiation, mutations in a melanocyte and exposure to chemical mutagens.

Melanoma is the cancer of the skin. It develops on the melanin pigment producing cells called melanocyte. It is also called the black tumor and is the most dangerous kind of skin cancer. Redness on the skin and change in the existing mole are a few symptoms.

Mutagens are the agents that cause cancer in the body. There are two types of mutagens: chemical and physical. The chemical mutagens can be alkylating agents, tobacco products, etc. The physical mutagens are the electromagnetic radiations.

The question is incomplete, the complete question is:

The American Cancer Society currently estimates that only about 10% of all people with melanoma have a family history of the disease. What factors might contribute to the development of melanoma in the other 90% of patients?

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Answer: Light levels, water flow rate, temperature, dissolved oxygen, acidity (pH), salinity and depth.

Explanation: For aquatic ecosystems, these factors include light levels, water flow rate, temperature, dissolved oxygen, acidity (pH), salinity and depth. Light level is an important factor in aquatic ecosystems.

The insoluble precipitate of ionic compound can pose great threat to the environment.

Insoluble precipitate is a solid substance formed during a chemical reaction. The precipitate of ionic compounds can cause danger to the environment as it is not degraded and hence can cause reactions that form toxic products.

The effects of insoluble precipitate on the environment are various. It can  make soil less rich in nutrients that will then affect the quality and yields of plants. If the precipitate is present on the surface of plants, which is then ingested by humans, it can cause diseases in humans as well. It can cause eutrophication of waterbodies, therefore affecting the lives of aquatic species.

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The carbon cycle depicts the movement of carbon on Earth in its elemental and combined states. Carbon exists as carbonates in minerals and as carbon dioxide gas in the atmosphere in its combined state as diamond and graphite.

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Answer:

Chloroplasts and mitochondria are said to be prokaryotic as they have their own genes on a small, circular chromosome but no nucleus. This chromosome has little non-coding DNA, similar to those of bacteria. Chloroplasts and mitochondria also make some of their own proteins from their gene.

hence endosymbiotic theory states that some eukaryotic cell organelles like mitochondria and chloroplast evolved from free living prokaryotes.the prokaryotes or single celled organism fuse to form eukaryotes as stated by Margulis.

Explanation:

According to the endosymbiotic theory, some eukaryotic cell organelles, such mitochondria and plastids, descended from prokaryotes that were free to move around.

The endosymbiotic hypothesis postulates that some organelles of eukaryotic cells were once prokaryotic bacteria.

Chloroplasts and mitochondria are identical in size to prokaryotic cells and divide by binary fission. The DNA in mitochondria and chloroplasts is circular rather than linear.

The information available supports Margulis' hypothesis that the mitochondrial endosymbiosis marked the beginning of the evolution of the eukaryotic cell.

Therefore, endosymbiotic theory states that some eukaryotic cell organelles like mitochondria and chloroplast evolved from free living prokaryotes.

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