The graph represents the outcome of natural selection in a population of Darwin's finches. Which statement best describes this outcome?
A) Finches that are best suited to survive and reproduce (points 1 and 3) are more likely to pass on beneficial traits to their offspring; those less suited (point 2) fail to pass on their traits to their offspring.
B) Finches that are least suited to survive and reproduce (points 1 and 3) are more likely to pass on beneficial traits to their offspring; those more suited (point 2) fail to pass on their traits to their offspring.
C) Finches that are best suited to survive and reproduce (point 2) are more likely to pass on beneficial traits to their offspring; those less suited (points 1 and 3) fail to pass on their traits to their offspring.
D) Finches that are least suited to survive and reproduce (point 2) are more likely to pass on beneficial traits to their offspring; those more suited (points 1 and 3) fail to pass on their traits to their offspring.
Answers
Answer:
i
Explanation:
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PLZ HELP 40PTSThe table below shows the mass of some horse fossils.
Horse Fossil Record
Horse Fossil Mass (kg)
A 80
B 270
C 150
D 50
Ancient horses had less mass than present-day horses. The mass of the present-day horse is about 500 kilograms. What is the correct order of evolution of the horse starting from the youngest fossil?
1. A C D B
2.B D C A
3. D A C B
4. B C A D
Answers
Answer:
D and 4
Explanation:
Answer:
Its D and the last one is 4
Explanation:
Mendel's principle of dominance is based on the observation that individuals with a heterozygous genotype can express the same phenotype as individuals with a homozygous dominant genotype. How is this possible? Give a biological example that illustrates the underlying molecular mechanism that can explain how two different genotypes can sometimes produce the same phenotype. Your answer should make clear the general process by which genes are expressed to produce a phenotype (i.e., the Central "Dogma" of Molecular Biology). The section at the end of chapter 1.2 in your textbook may be helpful in addressing this question.
Answers
Mendel's principle of dominance is based on the observation that individuals with a heterozygous genotype can express the same phenotype as individuals with a homozygous dominant genotype.
The reason for this is that the dominant allele will always mask the expression of the recessive allele. This means that the dominant allele will be expressed, and the recessive allele will not be expressed. So, individuals with a heterozygous genotype will have one dominant allele and one recessive allele. The dominant allele will be expressed, and the recessive allele will be masked.
This means that individuals with a heterozygous genotype will have the same phenotype as individuals with a homozygous dominant genotype. One biological example that illustrates this is the inheritance of seed shape in pea plants. The gene for seed shape has two alleles: round (R) and wrinkled (r). The round allele is dominant, and the wrinkled allele is recessive. So, individuals with a homozygous dominant genotype (RR) and individuals with a heterozygous genotype (Rr) will both have round seeds.
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A fire that happens in nurture areas
Answers
Answer:
i don't know if u meant nature but the answer is wildfire
Which of the following explains why record-keeping guidelines are included in a safety plan packet?
O so workers' families can be given correct compensation for accidents
O so workers can know what accidents have happened in the past
O so safety officials can ensure that all guidelines are being followed
O so employers can know which employees are more accident-prone
Answers
Answer:
(A) So safety officails can ensure that all guidlines are being followed.
Explanation:
Im always right.
what are the organelles inside an osteocyte?
Answers
Answer:A mature osteocyte contains a single nucleus that is located toward the vascular side and has one or two nucleoli and a membrane. The cell also exhibits a reduced size endoplasmic reticulum, Golgi apparatus and mitochondria, and cell processes that radiate towards the mineralizing matrix.
Explanation:
Answer: A osteocyte contains a single nucleus that is located toward the vascular side. It has one or two nucleoli, and a membrane. The cell also exhibits a reduced size endoplasmic reticulum, and cell processes that radiate towards the mineralizing matrix.
Hope this helps... Stay safe and have a great Thanksgiving!!! :D
Insulin in the bloodstream is a response to increased blood glucose levels, and the insulin: a) stimulates gluconeogenesis d) stimulates glycogen breakdown b) inhibits glycolysis e) inhibits phosphoprotein phosphatase-1 (pp-1) c) stimulates glycogen synthesis
Answers
Insulin in the bloodstream is a response to increased blood glucose levels, and the insulin b) inhibits glycolysis, c) stimulates glycogen synthesis, and d) stimulates glycogen breakdown.
Insulin is a hormone secreted by the pancreas that plays a crucial role in regulating blood glucose levels. When blood glucose levels rise after a meal, insulin is released into the bloodstream. Insulin acts on various tissues in the body, including the liver, muscle, and fat, to promote glucose uptake and utilization.
Insulin stimulates glycogen synthesis in the liver and muscle, which involves the conversion of excess glucose to glycogen for storage. Insulin also promotes glucose uptake by muscle and fat cells, which can be used for energy or stored as glycogen or fat.
On the other hand, insulin inhibits glycolysis, which is the breakdown of glucose for energy production. This is because insulin promotes glucose uptake and utilization, so there is no need to break down glucose for energy when there is an abundance of glucose available.
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What is the overall process of photosynthesis? Which organisms evolved this process first? What evidence supports that idea?
Answers
The overall process of photosynthesis involves capturing sunlight energy, converting it into chemical energy, and storing it in the form of glucose.
This process takes place in the chloroplasts of plant cells, which contain the pigment chlorophyll that absorbs light. The energy from the light is used to split water molecules into oxygen gas and hydrogen ions, and the hydrogen ions are combined with carbon dioxide to create glucose.
It is believed that cyanobacteria, also known as blue-green algae, were the first organisms to evolve photosynthesis. These ancient bacteria were able to produce oxygen through photosynthesis, which eventually led to the oxygenation of Earth's atmosphere.
Evidence supporting this idea comes from the fact that cyanobacteria are the only known organisms that can perform oxygenic photosynthesis. Additionally, fossil evidence shows that cyanobacteria have been present on Earth for at least 2.7 billion years, and their photosynthetic pigments have been preserved in ancient rock formations.
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all living things need fuel to keep their systems running name of this process
Answers
Answer:
Respiration. All living organisms must be capable of releasing energy stored in food molecules through a chemical process known as cellular respiration. In aerobic respiration, oxygen is taken up and carbon dioxide is given off.
Hi I need help with this homework question, I’m not very good at reading diagram and understanding what I am asked for thank you
Answers
a) On this question you have to explain the rol of the components of the food web that are asked, in ohter words, what they consume and if they are consumed. Keep in mind that the popoulation of a specie affects the population of its consumers and prey.
Scavengers are animals that feed from dead organic material or carrion.
Decomposers are the organisms that help decompose dead organic material, (not only the organism but its secretions too) usually found at the end of the food chain.
Parasites need another organisms to be their host, which provides them with food and/or shelter. They benefit from the host by affecting it negatively.
b) Search for information, or what you have been provided in class and give two examples of food chains that include the arctic hare.
despite the differences in the structure and forms of different animals there are certain fundamental features which are common to all the animals those features are used as the basis of classification.....who will answer this Q in 10 seconds I'll mark his or her as brainlist it's my promise....
Answers
Answer:
- Animals are eukaryotic and multicellular organisms.
- Most animals have the ability to move naturally and independently.
Explanation:
The fundamental features/structures which are common to all the animals those features are used as the basis of classification include:
Eukaryotic, Complex and multicellular The ability to move independently in search of foodAll animals possess complex structures which are specialized to perform various functions in animals such as the lungs for breathing etc. Animals are eukaryotic which means they have a well defined nucleus.
Animals also move independently with their specialized structures to search for food which gives them the much needed nutrient for their survival.
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6) is the Stony River flowing into Lake Surprise
or Long Lake
Answers
Answer:Its flowing into lake surprise. hope i've helped you
Explanation:
Answer: I would go with long
Explanation: because in surprise if you look closely it looks kind of cut off before it gets there
Stars change over millions of years.
O True
O False
Answers
Answer:
true
Explanation:
stars can change bc Stars change over time. ... It is in the clouds of dust and gas that stars are born. As more and more of the gas (which is mostly hydrogen) is pulled together by gravity into a cloud, the cloud starts to spin. The gas atoms start to bump into each other faster and faster.
What does the microstructure of dinosaur bones look like?.
Answers
Answer:
A blend between mammals and reptiles!
Explanation:
Hope this helped! :3
Which of the specialty areas do you think you would most like to work in? Why?
Answers
Answer:
Well i believe it depends on the person you are because then what ever specialty you enter you reward full and enjoyable e.g
If your a caring or find happiness in helping others then you can enter specialties around it and not be disappointed in tour choices
Also I would like to add if you do regret your choice then you can switch careers if you really think that work suits you more. I have a friend who used to be an head engineer for a car dealer ship but ended up switching careers at 37 years old. So don't think that you entering a certain specialty mean you can never switch careers.
I whole heartedly wish you the best in what job you enter.
In the field of forensic science, the specialty area I would likely prefer to work in is forensic DNA analysis. This area offers a compelling blend of cutting-edge technology and critical investigative contribution.
The vital significance that forensic DNA analysis plays in contemporary criminal investigations makes it an intriguing specialization. It makes use of cutting-edge methods to enable the identification of individuals based on their distinctive DNA profiles. Its accuracy and capacity to definitively link or rule out suspects from crime scenes are what make this field significant.
Forensic DNA analyzers work with law enforcement to help them solve crimes while maintaining the rules of justice by analyzing genetic evidence. Forensic scientists would make an interesting and significant choice if they worked in this specialized field because it provides for a dynamic confluence of science and judicial proceedings.
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The given question is incomplete, complete question is- "As a forensic scientist, which of the specialty areas do you think would most like to work in? Why?"
What is the absolute method to assess muscular endurance?
Answers
Muscular endurance can be tested using a given percentage of a person's body weight, a fixed percentage of a person's one repetition maximum, an absolute weight, or calisthenic-type workouts.
This is the sort of assessment used by the military or police/firefighter academies to assess physical endurance. It entails having a person move a fixed load for a certain number of repetitions over a set time period.
According to Bell, the pushup test is one of the greatest techniques to measure upper-body endurance, particularly in the muscles of the chest and shoulders. You'll need a stopwatch or a timer on your phone, as well as a ball, such as a tennis ball, to perform the pushup test.
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Which method(s) of regulating eukaryotic gene expression is NOT used in prokaryotic cells? A. all of these answers are regulatory mechanisms used by both prokaryotes and eukaryotes B. controlling which mRNAs get translated into protein by the ribosomes C. controlling how often a gene is transcribed D. controlling how an RNA transcript is spliced E. controlling how rapidly proteins are destroyed once they are made
Answers
Regulating gene expression is a key process in both prokaryotic and eukaryotic cells. Controlling how an RNA transcript is splicedis NOT used in prokaryotic cells.
Here, correct option is D.
In prokaryotic cells, gene expression is regulated by controlling which mRNAs get translated into proteins by the ribosomes, controlling how often a gene is transcribed, and controlling how rapidly proteins are destroyed once they are made. In eukaryotic cells, these are all regulatory mechanisms used as well, but there are additional methods of regulating gene expression that are not found in prokaryotes.
These include controlling how an RNA transcript is spliced and regulating the rate of transcription through the use of transcription factors. Splicing involves the removal of introns from a pre-mRNA molecule, resulting in a mature mRNA molecule that can be translated into a functional protein.
Therefore, correct option is D.
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*
Prior to the big bang, there was only
O Heat
O Space
O Energy
O Time
Answers
Answer:
O space
Explanation:
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Meat and poultry products must be refrigerated or frozen after processing and before shipment to inhibit spoilage and
growth of pathogens. During transportation and storage, the challenge is to maintain proper refrigeration temperatures.
In the United States, most food is transported by truck. However, meat, poultry, and egg products may be transferred to and
from other modes of transportation during shipment and held at intermediate warehouses as well as at transfer or handling
facilities, such as airports, break-bulk terminals, and rail sidings. Because transportation and storage are vital links in the
farm-to-table food chain, effective control measures are essential at each point in the food distribution chain to prevent
unintentional contamination.
Use the relevant literature and the information in the extract to discuss how the characteristics of a product affects its
packaging and explain the main actions that should be taken to ensure food safety when transporting fresh meat
products. ( 20 marks)
Answers
Proper packaging and temperature control are vital when transporting fresh meat products to ensure food safety and prevent contamination. Adherence to sanitation practices and coordination among stakeholders is crucial.
Fresh meat products require specific packaging to ensure food safety during transportation. Packaging should provide a protective barrier against damage, moisture loss, and contamination. To ensure safety, temperature control is crucial, and refrigerated trucks with monitoring systems should be used.
Sanitary practices, including regular cleaning and sanitization of vehicles, are important to prevent cross-contamination. Proper handling and storage procedures at transfer facilities are necessary. Effective communication among stakeholders is also crucial. By implementing these measures, the risk of contamination and spoilage can be minimized, ensuring the safety and quality of fresh meat products throughout the distribution process.
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Which of the following phrases about heat transfer properties best matches the use of plastic handle for a frying pan? O Poor reflector of heat radiation Good absorber of heat radiation O Poor conductor of heat O Good conductor of heat
Answers
3. With regard to environmental management of waste
rock dumps, what is AMD, how is
it formed and how will you manage dump construction to minimize its
impact on the
environment? [6%]
Answers
AMD stands for Acid Mine Drainage. It is formed when sulfide minerals in rocks are exposed to air and water, resulting in the generation of sulfuric acid and dissolved metals. This acidic and metal-rich drainage can have detrimental effects on the environment, including water pollution and damage to aquatic ecosystems.
To manage dump construction and minimize the impact of AMD on the environment, several measures can be implemented:
Prevention: One of the primary approaches is to prevent or minimize the formation of AMD in the first place. This can be achieved by implementing proper waste management practices, including selecting suitable waste rock materials, limiting the exposure of sulfide minerals to air and water, and employing effective cover systems.
Neutralization: Implementing neutralization techniques can help mitigate the acidity of AMD. This involves treating the drainage with alkaline substances, such as lime or limestone, to raise the pH and reduce its harmful effects on the environment.
Containment: Constructing and maintaining effective containment systems is crucial to prevent AMD from infiltrating surrounding soils and water bodies. This can include using impermeable liners, such as clay or synthetic materials, to prevent the leaching of acidic drainage.
Water management: Proper water management is essential to control the movement and accumulation of AMD. This may involve implementing diversion channels, collection systems, and treatment facilities to contain and treat the acidic drainage before it enters the environment.
Monitoring and maintenance: Regular monitoring of water quality, pH levels, and metal concentrations is necessary to detect any potential AMD issues and take appropriate corrective measures. Ongoing maintenance and management of dump sites are crucial to ensure the effectiveness of preventive and mitigation measures.
AMD, or Acid Mine Drainage, refers to the acidic and metal-rich drainage that is formed when sulfide minerals, typically found in rocks associated with mining activities, come into contact with air and water. The exposure of sulfide minerals to oxygen and moisture leads to chemical reactions, resulting in the generation of sulfuric acid. This acid then dissolves metals present in the rocks, such as iron, zinc, and copper, which further contributes to the contamination of water bodies and soil.
The management of waste rock dumps is essential to minimize the impact of AMD on the environment. Dump construction should incorporate measures that aim to prevent the formation of AMD, neutralize its acidity, contain its spread, and manage water flow effectively. These strategies help to minimize the release of acid drainage and metals into the environment, protecting water quality and ecosystems.
The management of waste rock dumps is critical in mitigating the formation and impact of Acid Mine Drainage (AMD). By implementing preventive measures, neutralization techniques, containment systems, effective water management, and regular monitoring, the environmental impact of AMD can be minimized. Adhering to best practices and regulations ensures responsible waste management and helps safeguard water resources and ecosystems.
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describe the structure and the life cycle of a mushroom
Answers
Mushrooms are part of the fungal kingdom and have a complex structure and life cycle. They grow from spores and go through several stages of development before they mature and reproduce.
The structure of a mushroom consists of a cap, stem, and gills underneath the cap. The cap contains the spores, which are released into the air when mature. The stem provides support for the cap, and the gills underneath the cap are where the spores are produced.
The life cycle of fungal mushroom begins with spores, which are released from the mature cap and dispersed by the wind. When a spore lands in a suitable environment, it germinates and develops into a network of fine filaments called mycelium. The mycelium grows and spreads through the soil, feeding on organic matter.
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A 160 lb. college student consumes a bowl of cereal containing 750 Calories in the morning. He then sits quietly in class for 4 hours, and then goes for a 30-minute run. How many Calories did he use, and was it more or less than he consumed?
Answers
Answer:
less
Explanation:
because a 30 min run can only burn 200-500 calories
In the morning, a 160-pound college student consumes a bowl of cereal with 750 calories. 30 minutes of running can only burn 200-500 calories.
What is Calories?The calorie is a type of energy unit. For historical reasons, there are two main definitions of "calorie." The large calorie, food calorie, or kilogram calorie was originally defined as the amount of heat needed to raise the temperature of one kilogram of water by one degree Celsius.Calories are the units of energy released by your body when it digests and absorbs food. The higher the calorie content of a food, the more energy it can provide to your body. When you consume more calories than you require, your body stores the excess calories as fat. Even fat-free foods can be high in calories.
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what is the sec system and how are proteins targeted there? where is the signal sequence encoded? does it matter if its at the n-terminus or c-terminus of the gene? explain why. quilet
Answers
During inclusion of the expanding polypeptide chain into the ER, a signal sequence at the amino (N) terminus of secretory proteins—which targets them to the ER—is eliminated.
What is structure of gene ?The N-terminus of several proteins contains signal sequences that help those proteins discover their proper place outside the cell membrane. For passage through the cell membrane and out of the cell, the protein is marked with a signal sequence.
The "N-terminus" or "amino terminus" refers to the chain's free amine end, while the "C-terminus" or "carboxyl terminus" refers to the chain's free carboxylic acid end. These two protein termini are chemically distinct from one another, therefore it makes sense that they would have various chemical properties.Learn more about Gene here:
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Familia del berilio
Answers
Answer:
Beryllium family
English Transcript:
Beryllium is the lightest member of the alkaline earth metals family. These metals make up Group 2 (IIA) of the periodic table. They include beryllium, magnesium, calcium, strontium, barium, and radium. Elements in the same column of the periodic table have similar chemical properties.
Spanish (Español) Transcripción:
El berilio es el miembro más ligero de la familia de los metales alcalinotérreos. Estos metales forman el Grupo 2 (IIA) de la tabla periódica. Incluyen berilio, magnesio, calcio, estroncio, bario y radio. Los elementos de la misma columna de la tabla periódica tienen propiedades químicas similares.
Which granulocyte is aggressively antibacterial, and has a band-shaped nucleus when young?1) Monocyte2) Eosinophil3) Basophil4) Lymphocyte5) Neutrophil
Answers
White blood cells called leukocytes, such as neutrophils, are the first line of protection for your immune system. Your body is shielded from infection and damage by your white blood cells working together.
Consider your immune system as the commander of the army that defends your body against viruses and bacteria. Your neutrophils are the first on the scene if your immune system is under attack. By laying traps for the invaders and consuming them, neutrophils are able to capture and kill them. In response to the conflict, your body will experience swelling and redness (inflammation), and your neutrophils will begin the process of mending damaged or injured tissue.
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Please help me with this!
Answers
Phototropism occurs when a plant bends or grows in a specific direction in reaction to light. Shoots tend to migrate toward the light, while roots tend to grow away from it.
What is phototropism in plants?Phototropism, or the differential cell elongation of a plant organ in response to directed blue light, allows the plant to optimize photosynthetic light uptake in the aerial section as well as water and nutrient acquisition in the roots.Phototropism is classified into two types: positive and negative. Growth toward a light source is referred to as positive phototropism, while growth away from a light source is referred to as negative phototropism. Because plant roots need to extend deeper into the ground for plant stability, water, and nutrients, they display negative phototropism.To learn more about Phototropism refer,
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if there were only three kinds of nucleotides, how many different types of codons would a genetic code have? (assume that the codons are three nucleotides long.)
Answers
We know codons come in triplets. These triplets can be arranged in nine different ways to identify genetic codes. When multiplied, we will find that 27 different types of codons can be made from these rearrangements. This means in a genetic code, there are 27 different kinds of codons.
A population of 80 adult squirrels resides on the Edgewood campus. The frequency of the A allele among these squirrels is. 7. A second population of squirrels live on the UW campus, there the frequency of the A allele is. 5. During a severe winter, 20 UW squirrels migrated to the Edgewood campus in search of food, then stayed and became part of the Edgewood campus squirrel population
Answers
Furthermore, when 20 UW squirrels migrated to the Edgewood campus during a severe winter and became part of the Edgewood campus squirrel population, they brought with them their genetic traits, including the A allele. As a result, the frequency of the A allele in the Edgewood campus squirrel population may have increased due to the migration.
Based on the given information, we can infer that the Edgewood campus squirrel population has a higher frequency of the A allele compared to the UW campus squirrel population. The frequency of the A allele is a measure of how common the allele is in a population. In this case, the Edgewood campus squirrel population has a frequency of 0.7 for the A allele, while the UW campus squirrel population has a frequency of 0.5 for the same allele.
It is important to note that genetic changes in a population can occur due to various factors such as migration, natural selection, genetic drift, and mutation. These factors can lead to changes in the frequency of alleles in a population, which can have implications for the genetic diversity and adaptation of the population over time.
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what are the 5 major properties of the muscular system
Answers
The five major properties of the muscular system include Contractility, Excitability, Extensibility, Elasticity, and Adaptability.
The 5 major properties of the muscular system are:
1. Excitability: This property refers to the ability of muscles to respond (contract or shorten) to a stimulus, such as a nerve impulse or electrical stimulation.
2. Contractility: This is the ability of muscles to receive and respond to nerve impulses or signals This property allows muscles to generate force and perform work, such as lifting a weight or moving a body part.
3. Extensibility: This property refers to the ability of muscles to stretch or extend, increasing their length. Extensibility allows muscles to return to their resting state after contraction and to accommodate changes in muscle length during movement.
4. Elasticity: This property describes the ability of muscles to return to their original shape and length after being stretched or contracted. Elasticity helps maintain the shape and structure of muscles and ensures proper muscle function.
5. Adaptability: This property refers to the ability of muscles to adapt to different types of work or stress, such as changes in workload, exercise, or injury. Adaptability allows muscles to become stronger or more efficient in response to different challenges.
These properties are essential for the proper functioning of the muscular system and the overall movement and stability of the body.
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1. Make a table to summarize the contributions
made to the cell theory by Robert Hooke,
Matthias Schleiden, Theodor Schwann, and
Rudolf Virchow.
Answers
Robert Hooke spotted some "pores" or "cells" when he used his microscope to examine a piece of cork. Hooke thought the cork tree's once-living "noble fluids" or "fibrous threads" had been stored inside the cells.
What is cell theory?Cell theory is defined as cells are believed to be the primary building blocks of all living tissues according to a basic biological scientific hypothesis.
According to the cell hypothesis, which was first advanced in 1839 by Matthias Jakob Schleiden and Theodor Schwann, every organism is made up of one or more cells. Cells are also the fundamental unit of structure and function in all living organisms, all cells are derived from preexisting cells, and all cells contain the hereditary.
Rudolf Virchow established the field of cellular pathology, or the study of disease at the cellular level, by proposing the hypothesis that all cells develop from pre-existing cells.
Thus, the cell theory given be the different scientist is that the cell is the fundamental unit of life.
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