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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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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: Matter movement

Explanation: Large organic molecules or polymers, carbohydrates, fats/lipids, proteins enter into the cow and move through.  

The twist is silenced in skin and not liver which is the reason why liver chromatin was found to be more dnase sensitive than the chromatin from skin cells.

This is referred to as a transcription factor which provides the instructions in the making of a protein in cells and ensures early development is achieved.

it attaches to certain parts of the DNA and the activity of some genes are controlled. It is silenced in cells such as that of the skin which is why  liver chromatin was found to be more dnase sensitive than the chromatin from skin cells.

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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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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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This, in the opinion of many paleoanthropologists, supports Aegyptopithecus' status as a primate, ape, and human ancestor.

The absence of a tail is the main characteristic that distinguishes Proconsul from living apes; other traits that can be considered "ape-like" include its improved grasping abilities, stabilized elbow joint, and facial structure. Like modern-day gibbons and other nonhuman apes, Proconsul could not effortlessly hang from tree branches.

The shape of the nostrils distinguishes catarrhines and platyrrhines. Platyphines have broad, flat nostrils that face sideways, whereas catarrhines have narrow nostrils that face downward. The physical characteristics of primates help to distinguish them from other species.

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Answer:

La meiosis es el proceso en el que las células se dividen por la mitad para reproducirse y crear células hermanas. Cada una de las células hermanas obtiene una parte de los cromosomas de la célula madre para reproducirse en el futuro.

The following paragraph about catabolic reaction can be completed below:

The free energy released by the exergonic reactions of exergonic is stored in exergonic. The energy released by its hydrolysis to exergonic and pi drives the exergonic reactions of exergonic, which synthesize the complex molecules.

Also, during hydrolysis in mechanical and transport work, catabolic pathways is transformed into catabolic pathways.

In these transfers and transformations, some energy is lost as heat.

All the reactions of a cell require enzymes, which ensure efficient cell function by binding substrates and catabolic pathways activation energy, thus speeding up metabolic reactions.

Catabolic reactions refers to a type of metabolism which involves the breaking down of bigger molecules into smaller molecules.

So therefore, an exergonic reaction can simply be defined as those metabolic activities which occurs in the body by releasing or giving off energy.

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Two types of nucleic acids are DNA and RNA. The functions of these two nucleic acids are DNA creates amino acids, and RNA puts the amino acids together to make a protein.

DNA is answerable for carrying and transmitting hereditary materials or genetic instructions from parents to offspring. In addition to ensuring that all living things pass on their genetic information, DNA is essential for the synthesis of proteins. on the other hand messenger RNA (mRNA) carries the protein draft from a cell's DNA to its ribosomes, which are the apparatus that drive protein synthesis. Transfer RNA (tRNA) then carries the relevant amino acids into the ribosome for inclusion in the new protein.

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Explanation:

where is that diagram labeled x

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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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.

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.

Primary brain cancers occur when normal cells' DNA changes (mutations). The DNA of a cell includes the instructions that inform the cell what to do. The mutations instruct the cells to grow and divide quickly and to live even when healthy cells would die.

A benign (non-cancerous) brain tumor is a collection of cells that grows slowly in the brain. Non-cancerous brain tumors often remain in one location and do not spread. It usually does not return if the entire tumor can be safely removed during surgery.

They have the potential to injure and compress portions of the brain, resulting in serious malfunction. Benign brain tumors in a critical part of the brain can be fatal. A benign tumor can become cancerous very rarely.

Note that an overview was given as the complete information wasn't found.

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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 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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Answer: Stars have diffrent layers

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.

Answer:

Explanation:

Option please

Answer: aerobic cellular respiration

Explanation: got u

Answer:

Glucose is broken down during cellular respiration.

Explanation:

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The superior olivary nuclei are the regions of the auditory pathway of the human brain in which information from both ears is first integrated.

The superior olivary nuclei can be described as a region that helps in multiple ways for hearing of sound. One of the main functions of the superior olivary nuclei is to locate from where a certain sound is being produced in the ear.

The superior olivary nuclei are also involved in the integration of sound information from both ears. Sound lateralization is an important function the superior olivary nuclei.

The superior olivary nuclei are present not only in humans but also in other mammals, reptiles and amphibians.

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The best explains the relationship between HbS allele frequency and malaria endemicity in Africa is when an area is malaria free, the HbS allele frequency is between 0 and 2.02. The correct option is a.

Sickled hemoglobin is a genetic disease that changes the shape of hemoglobin cells from a circle to a sickle shape, which reduces their function and it causes hemoglobin disease in the person.

Malaria is caused by the anopheles mosquito. It causes fever and shivering of the body.

Therefore, the correct option is a. When an area is malaria free, the HbS allele frequency is between 0 and 2.02.

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The question is incomplete. Your most probably complete question is given below:

Which statement best explains the relationship between HbS allele frequency and malaria endemicity in Africa?

When an area is malaria free, the HbS allele frequency is between 0 and 2.02.

When an area is holoendemic, the HbS allele frequency is between 0.52 and 4.04.

When an area is malaria free, the HbS allele frequency is between 12.64 and 18.18.

When an area is holoendemic, the HbS allele frequency is between 0 and 0.51.

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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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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Answer: 0%

Explanation:

All children have half of their chromosomes, from mom, and half from dad. Because mom is homozygous, each of her children will have at least one dominant trait, which will completely cover the recessive trait form their dad. However the children will still be carriers of this syndrome

The series of events that occurred in the endosymbiotic theory are as follows:

The endosymbiotic theory is theory that describes how eukaryotic cells arose from simple prokaryotic cells,

In the endosymbiotic theory, simple prokaryotic cells which developed abilities such as using oxygen as electron acceptor as well asthe ability to use carbon to produce food associted in a symbiotic relationship.

One prokaryotoc cell engulfed another prokaryotic cell with which it exists in a symbotic relationship with.

The engulfed cells became the organelles in eukaryotes such as mitochondria and chloroplast.

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