One or more extra whole sets of chromosomes is called ____________ , which often is beneficial in plants.
Answers
One or more extra whole sets of chromosomes is called polyploidy, which can be beneficial in plants.
Polyploidy is often advantageous in plants because it can result in larger cell sizes, increased vigor, and greater adaptability to environmental stress. For example, some types of wheat are polyploid and have improved resistance to diseases and pests, as well as increased yield. Polyploid plants may also be able to utilize more resources, such as water and nutrients, leading to greater productivity. In contrast, polyploidy is generally harmful in animals, where it can lead to developmental abnormalities and reduced fertility. However, some species, such as salamanders and goldfish, have naturally evolved polyploidy and are able to thrive with multiple sets of chromosomes.
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Related Questions
if you mated a homogygous red flower with a homozygous white flower what would you expect the offspring to look like?
Answers
If a homozygous red flower (RR) is crossed with a homozygous white flower (rr), the offspring would all be heterozygous for flower color (Rr).
This is because the red flower has two copies of the dominant red allele (RR) and the white flower has two copies of the recessive white allele (rr). When these two individuals are crossed, all of their offspring will inherit one copy of the red allele from the red flower parent and one copy of the white allele from the white flower parent, resulting in the genotype Rr for all offspring.
Since the red allele is dominant and the white allele is recessive, all of the offspring will have red flowers, but they will carry one copy of the white allele. This means that the offspring will be heterozygous for flower color, and they will have the genotype Rr.
In terms of phenotype, all of the offspring will have red flowers, but they will carry one copy of the white allele and may potentially pass it on to their own offspring.
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A neutron is a subatomic particle found in the nucleus of every atom except that of simple hydrogen. The particle derives its name from the fact that it has no electrical charge; it is neutral. Neutrons are extremely dense
Answers
Protons and neutrons are the only elements in the nucleus. There are no electrons in it. These are outside the nucleus and negatively charged.
The only stable atom that lacks neutrons is one. Protium is the name of the hydrogen isotope in question. The simplest atom is protium, which has a single proton and a single electron. Neutrons are present in some quantity in all other stable atoms. Neutrons are neutrally charged, whereas protons have a positive charge. They are not of opposing charges as a result. Atomic nuclei are surrounded by neutrons. Along with protons and electrons, neutrons are among the atomic nuclei's fundamental building blocks. Every atom's nucleus, with the exception of hydrogen, contains neutrons.
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On average, the parts from a supplier have a mean of 97.5 inches and a standard deviation of 12.2 inches. Find the probability that a randomly selected part from this supplier will have a value between 85.3 and 109.7 inches. Is this consistent with the Empirical Rule of 68%-95%-99.7%
Answers
The probability that a randomly selected part will have a value between 85.3 and 109.7 inches is approximately 0.95.
To calculate the probability, we need to use the z-scores and the Empirical Rule. First, find the z-scores for both 85.3 and 109.7 inches by subtracting the mean (97.5) and dividing by the standard deviation (12.2):
Z1 = (85.3 - 97.5) / 12.2 ≈ -1
Z2 = (109.7 - 97.5) / 12.2 ≈ 1
Now, refer to the Empirical Rule which states that approximately 68% of the data falls within 1 standard deviation, 95% within 2 standard deviations, and 99.7% within 3 standard deviations. Since our z-scores are approximately -1 and 1, this falls within 1 standard deviation of the mean. Therefore, the probability of selecting a part with a value between 85.3 and 109.7 inches is roughly 68%. However, our z-scores are not exactly -1 and 1, so the actual probability is slightly higher. Considering this, an approximate probability of 0.95 is consistent with the Empirical Rule.
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What is the density (in g/mL) of a 5.00 mL urine sample from a patient suffering from symptoms resembling those of
diabetes mellitus if the mass of the urine sample is measured to be 5.025 g?
O 0.995 g/mL
O 0.9950 g/mL
O 1 g/mL
O 1.00 g/mL
O 1.01 g/mL
Answers
The density (in g/mL) of the urine sample is 1.005 g/mL.
Density of a urine sample
The density (in g/mL) of a 5.00 mL urine sample from a patient suffering from symptoms resembling those of diabetes mellitus if the mass of the urine sample is measured to be 5.025 g can be calculated as follows:
Mass of urine sample = 5.025 g
Volume of urine sample = 5.00 ml
Density of urine sample is defined as mass per unit volume. The formula for density is as follows:
Density = mass/volume
= 5.025 g/5.00 mL
= 1.005 g/mL
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The initial population of a bacteria colony is observed to be 500 bacteria. The population shows a growth rate of 50% per day, and the carrying capacity of the surrounding is estimated to be 2,000,000 bacteria. To the nearest whole number, find the population of bacteria after 15 days. A 165,822 bacteria B 622,707 bacteria C) 903,430 bacteria 2,000,000 bacteria
Answers
The population, to the nearest whole number, of bacteria after 15 days is approximately 4,769 bacteria, The correct option is E, None of the above.
To find the population of bacteria after 15 days, we can use the formula for exponential growth:
N = N₀ * \((1 + r)^t\)
Where: N = Final population after time t N₀ = Initial population r = Growth rate per time period t = Time period
Given: N₀ = 500 bacteria r = 50% per day (or 0.5) t = 15 days
Plugging in the values, we have:
N = 500 * \((1 + 0.5)^{15\)
Calculating this expression:
N = 500 * \((1.5)^{15\) N
= 500 * 9.537 N
= 4,768.5
Thus, the correct option is E, None of the above.
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The question is inappropriate; the correct question is:
The initial population of a bacterial colony is observed to be 500 bacteria. The population shows a growth rate of 50% per day, and the carrying capacity of the surrounding area is estimated to be 2,000,000 bacteria. To the nearest whole number, find the population of bacteria after 15 days.
A. 165,822 bacteria
B. 622,707 bacteria
C. 903,430 bacteria
D. 2,000,000 bacteria
E. None of the above
What is gel electrophoresis? What are restriction enzymes used for?
Answers
Answer:
Gel Electrophoresis is a technique used to separate DNA fragments according to their size.
Restriction Enzymes are used to cut DNA into smaller fragments
Why is it important to be aware of Wisconsin’s karst features
Answers
Answer:
The cracks and crevasses in karst act as direct conduits for pollutants to enter groundwater, wells, springs, and streams. If you've got a sinkhole, you've got karst. Protect your groundwater and wells by being careful about what you spread in these areas.
Baking soda, Black coffee, Distilled water, Lemon juice out of these 4 item, which the strongest acid? How do you know?
Answers
Answer:
Baking soda is the strongest acid I think. I learned it in bio.
Explanation:
Hope this helps!
Which of these is the most recent adaptation of plants for life on land? a) Seeds Cuticles. b) Vascular tissue. c) Stomata. d) Seeds.
Answers
Plants' most recent adaption to life on land is the development of seeds. Heirloom, hybrid, and open-pollinated seed types are available.
Which plants have undergone recent evolution?The most recently evolved plant group is the angiosperms, which emerged about 160 million years ago and started to spread about 120 million years ago. Angiosperm, the term for the ovary and fruit that house angiosperm seeds, refers to an enclosed seed.
What land plant adaption was the first?The life cycle of all terrestrial plants alternates between two generations, a sporophyte in which spores are made and a gametophyte in which gametes are produced. This is the earliest adaption. In roots and shoots, there is an apical meristem tissue.
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Investigation 1.6: Kissing the Right Way
Most people are right-handed and even the right eye is dominant for most people. Researchers have long believed that late-stage human embryos tend to turn their heads to the right. German biopsychologist Onur Güntürkün (Nature, 2003) conjectured that this tendency to turn to the right manifests itself in other ways as well, so he studied kissing couples to see whether both people tended to lean to their right more often than to their left (and if so, how strong the tendency is). He and his researchers observed couples from age 13 to 70 in public places such as airports, train stations, beaches, and parks in the United States, Germany, and Turkey. The observers were careful not to include couples who were holding objects such as luggage that might have affected which direction they turned. We will assume these observations are representative of the overall decision-making process when kissing.
Practice Problem 1.8A
In Investigation 1.6, Dr. Güntürkün conjectured that 2/3 of kissing couples lean right.
(a) Would the normal approximation (Central Limit Theorem) be valid for the kissing study in Investigation 1.6? Justify your answer.
Answers
"The investigation 1.6 study on kissing couples was conducted by German biopsychologist Onur Güntürkün to determine whether couples have a tendency to lean towards their right when kissing.A central limit theorem approximates a sampling distribution to a standard normal distribution if a few requirements are satisfied. The central limit theorem is valid only for the large sample size, i.e., n > 30. The theorem may be applicable even for n < 30 if the sample distribution is approximately symmetrical. So, the normal approximation (Central Limit Theorem) would be valid for the kissing study in Investigation 1.6 since it was carried out on a large number of people from the United States, Germany, and Turkey aged between 13 and 70 in public places such as airports, train stations, beaches, and parks. Hence, the normal approximation would be valid for this study.
About BiopsychologistBiopsychologyist is a psychological approach from a biological aspect. Humans basically inherit physical traits from their parents, or also their genetic grandparents. These characteristics appear through the aspect of height, skin color, eye color, straight or curly hair, lip thickness and so on. Biopsychology deals with what Biopsychology is the scientific study of behavioral biology. Some call this field psychobiology, behavioral biology, or behavioral neuroscience, but it is usually called biopsychology because it denotes a biological approach to the study of psychology rather than a psychological approach to biology.
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Which specialized cell type would be found lining the trachea, the part of the body that brings air to the lungs?
blood
epithelial cells
neuron
muscle cells
Answers
Answer:
Epithelial cells
Explanation:
It is epithelial cells because epithelial cells are cells that are found in the body surfaces. The conducting passage ways of trachea, nasal cavity, bronchi, bronchioles are lined with a special type of epithelial cells called pseudo stratified columinar epithelial cells which is ciliated and have mucus secreting globlets. These cells are found in the trachea because they have thin surface that facilitate diffusion, moisten the passage ways and protect the trachea from pathogens.
Answer:
B:epithelial cells
Explanation:
Explain how cellular respiration is the opposite reaction to photosynthesis.
Answers
Answer:
Cellular Respiration and Photosynthesis are almost opposite processes because photosynthesis removes carbon dioxide from the atmosphere while cellular respiration puts back carbon dioxide. Cellular respiration uses oxygen and has it's waste product of carbon dioxide (CO2).
Trust me mark me as brainliest trust me
Answer:
this is because during photosynthesis oxygen is released and in cellular respiration oxygen is taken in or inhalation takes place
hope it helps
Why do some species of predators appear
intimidating?
A. The adaptations they possess for hunting and eating
make them look intimidating.
B. Some predators can scare their prey into giving up
without a fight.
C. Predators do not appear intimidating.
Answers
Answer:
A. The adaptations they possess for hunting and eating make them look intimidating.
Explanation:
Some species of predators appear intimidating because of the adaptations they possess for hunting and eating make them look intimidating and fearful. The appearance of some predators make them intimidating which make the prey full of fear. For example, Lion is intimidating other animals especially its prey due to its attitude as well as physical appearance such as big sharp teeth and paws etc.
Take a theoretical position either in favor of or against gene editing.
Answers
In conclusion, gene editing has the potential to be misused and lead to unforeseen consequences, which can cause long-term damage to society.
Gene editing refers to the deliberate modification of the genetic composition of an organism. Editing genes can be done through the insertion, deletion, or replacement of DNA, which is done by using certain techniques like CRISPR/Cas9.Gene editing can be useful in many ways as it can help treat genetic disorders and help modify crops, which can help in solving world hunger.
However, some argue against gene editing and its potential implications. It is important to explore both sides and make an informed decision regarding gene editing. Here are two theoretical positions; one in favor of gene editing and another against gene editing.
In favor of Gene Editing
Gene editing has the potential to revolutionize the healthcare industry by treating and curing genetic disorders.
For instance, gene editing can help treat Huntington’s disease and cystic fibrosis. Through gene editing, we can insert functional genes into a patient’s genome to replace the defective genes. Moreover, gene editing can also help in developing genetically modified crops, which can help combat world hunger. For example, researchers can insert genes into crops that make them resistant to pests, disease, and adverse weather conditions. Gene editing also has the potential to reverse environmental damage.
In conclusion, gene editing has the potential to bring positive changes in the field of healthcare and agriculture, which can improve the quality of life for many people. Against Gene Editing Gene editing has the potential to be misused, and this can lead to ethical concerns. For instance, gene editing can be used to create “designer babies,” which can have a wide range of implications. Creating “designer babies” can lead to a social divide, where people with the means to edit their children’s genes have more advantages than those who don’t.
Moreover, gene editing can lead to unforeseen consequences, which can cause irreversible environmental damage. Gene editing can also result in the creation of superhumans, which can be a disadvantage to society as a whole.
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which of these provided information about animal adaptations to climate change?
a. fossils
b. ice cores
c. tree rings
d. sea-floor sediment
Answers
Answer: floor
Explanation:
Fossils are structures which provided information about animal adaptations
to climate change.
Fossils refers to remains of living organisms which have been replaced in the form of rock particles due to its presence in the soil for a long period of time.
The fossils contain an understanding of the structures and characteristics
the animals had which is then compared to its present structures. This helps
to explain how the animals adapted to climate change through changes in
the structure, shape of parts of the body.
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Is Atom a pure substance
Answers
Yes an atom is a substance.
Answer:
yes an atom is a substance
Explanation:
Someone help me plzzzzzzzzz
Answers
report you :v
dddddddddddddddd
Answer:
google names of animals & use that lol
Explanation:
use google
What developmental group has the highest rate of VIOLET DEATH? Why?
Answers
Developmental group has the highest rate of Violet death is because Young adulthood, Poor life choices, substance abuse, and don't think about late consequences.
Young adults may exhibit these behaviours for a variety of complex and multidimensional reasons. Peer and societal pressure, stress, anxiety, low self-esteem, and a desire for independence and autonomy are a few examples of potential contributing causes.
Young adults may also put more importance on the now than the future since they may not fully appreciate the long-term effects of their choices.
It's crucial to remember that not all young adults engage in dangerous behaviour, and that many successfully get through this era of life without suffering unfavourable outcomes.
However, seeking assistance and support from dependable people, such as family members, friends, or mental health experts, can be vital in lowering the likelihood of unfavourable outcomes for those who do battle with substance misuse or participate in other risky behaviours.
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Results from a wide-range of climate model simulations suggest that the Earth's average surface temperature could be between 1. 1 and 5. 4°C warmer in 2100 than it was in 2015. Which best summarizes this information:
By 2100, the global average annual temperature will increase more than 1. 1 and less than 5. 4°C.
By 2100, the global average annual temperature will decrease more than 1. 1°C.
By 2100, the global average annual temperature will increase more than 5. 4°C.
By 2100, the global average annual temperature will decrease more than 1. 1 and less than 5. 4°C
Answers
Results from various climate model simulations suggest that the Global average temperature in 2100 could be 1.1 to 5.4 °C (2 to 9.7 °F) higher than today. The main cause of this temperature rise is "greenhouse gases" that trap carbon dioxide and other heat produced by human activity.
Global average temperature is projected to increase by 2°F to 11.5°F by 2100, depending on future greenhouse gas emission levels and the results of various climate models.
Fossil fuels release carbon dioxide, a greenhouse gas that can increase the average temperature of the earth. In a high-emissions scenario, global temperatures could rise by 4.4 degrees by 2100, says the IPCC, with potentially catastrophic consequences.
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What is the name given to the process by which a parent cell becomes two identical daughter cells?.
Answers
Mitosis is the process by which a parent cell becomes two identical daughter cells.
Mitosis is the process by which cell replication or regeneration occurs.
Two genetically identical daughter cells emerge from one parent cell. Mitosis is the proliferation and partitioning of chromosomes that carry genetic information.
It is a key process in unicellular eukaryotes because it is the mode of asexual reproduction. The main function of mitosis is to generate more cells.
Life begins in a single cell in a multicellular organism formed from two gametes. This single-celled multicellular organism carries only genetic information in the form of DNA, but does not have enough cells, so mitosis occurs and the cell divides into two cells. These two cells further divide in mitosis into 4 cells, then 8, 16, and 32.
It is vital to life because it creates new cells for growth and replaces dead cells. It depends on time, temperature and chemicals.
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Examples of flat bone
Answers
There are flat bones in the skull (occipital, parietal, frontal, nasal, lacrimal, and vomer), the thoracic cage (sternum and ribs), and the pelvis (ilium, ischium, and pubis). The function of flat bones is to protect internal organs such as the brain, heart, and pelvic organs.
Answer:
Explanation:
What would happen to both acid-fast and non acid-fast cells if no heat was used in the staining procedure?
Answers
When both acid-fast and non-acid-fast cells if no heat was used in the staining procedure the cell wall becomes hydrophobic and impermeable. It happens because most stains and chemicals in aqueous material are in the absence of heat due to the waxy, destructive structure. It's possible that we neglected to heat the solution or decolored it excessively.
Acid fast stains are used to differentiate acid-fast organisms such as mycobacteria. Mycolic acids make up a large portion of the cell walls of acid-fast bacteria. Nonacid-fast bacteria will stain blue/green with the Kinyoun stain, while acid-fast bacteria will stain red. Non-acid fast bacteria are those that decolorize and lose their carbol fuchsin red color.
The primary difference between acid-fast and nonacid-fast bacteria is that acid-fast bacteria resist decolorizing by acid after receiving a stain whereas non-acid-fast bacteria are readily decolorized by acid after staining.
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If dad had a blood type of AB and mom had a blood type of Heterozygous B, what will the children blood type possibilities be and what percentage for each
Answers
you would most likly have ur moms blood just in case its not the real father
please help it’s timed
Answers
Answer:
light mice, because they blend in with their enviorment
Explanation:
Write down the hormones secreted by Gonads with one function of each
Answers
Answer:
The gonads (the testes in males and ovaries in females) are responsible for the production of steroid hormones, such as testosterone, estrogen, and progesterone.
Explanation:
The hormones secreted by the Gonads are estrogen and progesterone in females, while testosterone, androstenedione, and inhibin in males.
What are Gonads?Gonads may be defined as the male and female reproductive organs. It includes testes in males and ovaries in females. These organs are essential for the reproduction process.
The function of each gonadal hormone is as follows:
Estrogen: It is responsible for the maturation and growth of the vagina and uterus.Progesterone: It is responsible for regulating the alterations in the uterus at the time of the menstrual cycle. Testosterone: It is responsible for the growth of bones, muscles, body hairs, etc. Inhibin: It is responsible for the regulation and development of sperm cells. Androstenedione: It is responsible for monitoring the level of estrogen and testosterone in the body of a human.Therefore, it is well described above.
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when a cell releases a signal molecule into the environment and a number of cells in the immediate vicinity respond, this type of signaling is
Answers
Answer:
Paracrine communication
What is the origin information of new species called
A. Evolution
B.Biological species
C. Natural selection
D.Specitation
I think its A but im not sure
Answers
Explanation:
. Thus, new species form when individuals from diverging populations no longer recognize one another as potential mates, or opportunities for mating become limited by differences in habitat use or reproductive schedules
Please please help ASAP
a.The rate of photosynthesis can be measured as the volume of oxygen released by a
plant per minute. The number of bubbles of gas released per minute from waterweed is
counted.
Answers
The rate of photosynthesis can be measured as the volume of oxygen released by a plant per minute. The number of bubbles of gas released per minute from waterweed is counted. In this experiment the solution used is sodium.
what are the factors affecting photosynthesis ?The process by which autotrophic plant convert light energy into chemical energy, prepare glucose as the food, water and carbon dioxide are the major source and stored as a sugar molecule.
Photosynthesis occur in chloroplasts of leaf surface of the plant which contain the pigments like chlorophyll a, chlorophyll b, carotene and xanthophyll which use sunlight and synthesize nutrients.
several factors influence photosynthesis like increase in light intensity , Higher concentration of carbon dioxide
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A Scientist discovers a chemical that she thinks might be a potential treatment for a certain type of cancer cell. In order to test her hypothesis, the scientist treats one plate of cancerous cells with the newly discovered chemical, and leaves another plate of cancerous cells untreated. After 7 days, the scientist measures the number of living cells in each plate. The scientist finds that the cells treated with the chemical have a lower survival rate than cells left untreated. The scientist further observes that the substance has an effect on the Rough endoplasmic reticulum (RER). How might disabling the rough ER potentially hurt the cancerous cells? Be specific in your answer. What is the dependent variable? What is the independent variable?
Answers
Answer:
Affecting the ER causes alteration in cell homeostasis and eventual death.Independent variable: Drug or chemicalDependent variable: Cancer cells survival.Explanation:
Hypothesis ⇒ A chemical ⇒ might be a potential treatment for cancer cells.
Experiment:
Treated ⇒ One plate of cancerous cells with the new chemicalUntreated ⇒ Another plate of cancerous cells with no chemical7 days later ⇒ the number of cells in each plate
Results:
Cells treated with the chemical have a lower survival rate than cells left untreated.
Treated plate ⇒ fewer cellsUntreated plate ⇒ more cellsChemical affects the Rough endoplasmic reticulum (RER)
----------------------------------------------------------------------------------------------------------
The endoplasmic reticulum is in charge of many cellular functions, such as protein folding, maturation, and transport, especially those destined for secretion. It produces the latest protein modifications after transduction.
When the synthesizing protein gets in the Rough endoplasmic reticulum, it continues its building in the organelle. Finally, the protein suffers folding and the initial stages of glycosylation.
Once the protein synthesis in the endoplasmic reticulum is over, these molecules are packaged into vesicles and sent to the Golgi complex for their final association with carbohydrates. Finally, protein leaves the Golgi complex and goes to its final destiny.
Any alteration in the intracellular environment
inevitably affects the organelle and its functions. When the organelle is not properly working, proteins synthesis is affected and, consequently, all the cellular activities. The affected cell homeostasis might be so altered that the cell ends dying.
If the drug affects the ER by altering its environment or directly affecting it, the organelle will fail to perform its functions, and the cell will eventually dye.
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The independent and the dependent variables are the two principal factors needed in an experiment.
Independent variable: Refers to all the variables in an experiment that provoke a response in another variable. The independent variable changes or is controlled and modified in the experiment to analyze how another variable responds to it. It changes to analyze its effects on the dependent variable. Usually, the independent variable is represented by the X letter.
In the exposed example, the independent variable is the drug that affects the cancer cells. The researcher decides to apply it or not, and the concentrations in which the drug is.
Dependent variable: Refers to the variable that reacts to the changes produced in the independent variable. Depending on how the independent variable is modified, the dependent variable change. It is usually identified by the letter Y.
In the exposed example cell survival is the dependent variable. Cancer cells respond to the presence/absence of the chemical, and might differently respond to the varying concentration of the drug.
Assignment: 04.05 Ancient Greece - Empire of Alexander
Answers
The sources mentioned, "Map of Alexander's empire" and "Alexander by the numbers," provide some evidence of Alexander's achievements and influence during his lifetime, which contributes to the argument that he was a great leader.
How can you say Alexander was great?The map of Alexander's empire shows the vast extent of his conquests, which spanned across much of the known world at that time. Alexander was able to defeat powerful empires such as the Persians, which demonstrated his military prowess and strategic genius. His empire also facilitated cultural exchanges between different regions, leading to spread of Hellenistic culture and knowledge.
"Alexander by the numbers" provides numerical data that further emphasizes the scale of Alexander's achievements. Alexander led his army on a march of over 22,000 miles, established over 70 cities, and conquered territories that encompassed over 5 million square miles of land.
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