A compound light microscope is used for observing transparent or thinly sectioned samples, such as biological cells, while a scanning electron microscope is used for studying the surface details of solid samples, such as microorganisms, metals, or geological specimens.
A compound light microscope uses visible light and a series of lenses to magnify and resolve the details of transparent or thinly sectioned samples. It is commonly used in biology and medicine to study biological cells, tissues, and organisms. The light passes through the sample, and the resulting image is observed through the eyepiece.
Examples of samples best examined with a compound light microscope include thin tissue sections, blood smears, bacteria, and microscopic organisms like algae or protozoa.
In contrast, a scanning electron microscope (SEM) uses a focused beam of electrons to create high-resolution images of the surface of solid samples. It provides detailed information about the sample's topography, surface features, and composition. SEM is widely used in materials science, geology, and forensic investigations.
Examples of samples best examined with an SEM include microorganisms, such as bacteria or viruses, metals, minerals, fossils, polymers, and semiconductor materials.
In summary, a compound light microscope is suitable for observing transparent or thinly sectioned samples in biology, while a scanning electron microscope is ideal for studying the surface details of solid samples in various scientific disciplines.
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Restoration efforts in the Everglades include developing marshes that filter pesticides flowing into the Everglades from farms farther north. How does this strategy directly affect wetland biodiversity and ecosystem services?
Record your evidence.
urgent help please just guess Mosquitoes are small flying insects which are very harmful.
It is only female mosquitoes that bite people. Male mosquitoes do not consume blood.
Blood serves as a source of protein for their eggs.
can anyone suggest a title please and do not suggest introduction please
Answer:
The difference between Male and Femal mosquitoes
Explanation:
Answer:
characteristics of make and female mosquitoes
The largest loans would most likely be made by a(n): mutual savings bank. Commercial bank. Federal bank. Insurance company
The largest loans would most likely be made by commercial banks.
Commercial banks are financial institutions that provide financial services to businesses, individuals, and government entities. They are the backbone of the financial system since they accept deposits, offer loans, and provide other financial products and services.
Commercial banks, as the name implies, cater to commercial interests by supplying financial services and goods to businesses. They offer loans and other financial products, as well as deposit-taking services, to businesses and individuals.Commercial banks' assets are created by deposits, as they accept deposits from customers and lend the funds to other borrowers. Therefore, the amount of loans that commercial banks can make is restricted by the amount of deposits they have received. They must have adequate funds on hand to meet depositors' demands if they wish to maintain customer loyalty.
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A researcher is measuring Earth's atmospheric CO2 levels, gathering data on CO2 levels in northern and then southern hemispheres. What do you expect that she will find?
-Atmospheric CO2 measurements will be greater in the Northern Hemisphere.
-Atmospheric CO2 measurements will be greater in the Southern Hemisphere.
-Because atmospheric CO2 measurements represent global amounts, measurements in the Northern Hemisphere and Southern hemisphere will be approximately the same.
From measurements of CO₂ in the Earth's atmosphere, in the northern hemisphere and then in the south a measurement of atmospheric CO₂ will be greater in the northern hemisphere.
The northern hemisphere contains more land than the southern hemisphere which is mostly covered by the ocean the amount of carbon produced in the atmosphere increases overall during northern winters. The northern hemisphere is also where most developed countries emitting carbon are located. Therefore, the Northern Hemisphere always has a higher concentration of CO₂ than the southern hemisphere of the planet.
The southern hemisphere consists of the continents of Antarctica, and Australia, parts of South America, parts of Africa and Asia, and four oceans namely the Atlantic Ocean, Indian Ocean, Pacific Ocean, and Southern Ocean.
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write short notes as outlined in the1948 "Factory Act" on the following terms: Manufacturing Process, Worker, Occupier, Adult, Child, Hazardous Process, Power, Prime mover, Factory and inspector
Vwrite short notes as outlined in the1948 "Factory Act" on the following terms: Manufacturing Process, Worker, Occupier, Adult, Child, Hazardous Process, Power, Prime mover, Factory and inspector
The Factories Act of 1948 was enacted by the Government of India to provide safety, health, and welfare to the workers in India's manufacturing units.
The act applies to all establishments employing ten or more people and carrying out manufacturing processes with the help of power. Here are short notes on the terms related to the act:
Manufacturing Process: Any process for which mechanical or electrical power is used for transforming raw materials into finished products is known as a manufacturing process.Worker: The Factories Act defines a worker as a person who is employed in any manufacturing process in a factory.Occupier: Any person who has ultimate control over the affairs of a factory is known as an occupier. This includes owners, agents, and other authorized persons.Adult: Any person over the age of 18 years is considered an adult under the act.
Child: The act defines a child as a person who has not completed 15 years of age.Hazardous Process: A process that involves the use of toxic or flammable substances, or exposes workers to dangerous conditions, is considered a hazardous process.Power: Power means electrical energy, or any other form of energy, which is mechanically transmitted and is not generated by human or animal power.
Prime Mover: The device that transforms various forms of energy into mechanical power is known as a prime mover.Factory: Any premises where ten or more workers are employed in a manufacturing process with the aid of power is known as a factory.Inspector: The Factories Act authorizes inspectors to visit factories and investigate potential violations of the act. Inspectors may also issue orders for compliance with the act's provisions.
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Please help me find the answer to this problem
Answer: You can label the protein channel as a protein, it's not only in the name but remember that proteins are mainly used for maintaining cell balance by facilitating movement of molecules into and out of the cell. You can label any of the lipids in the lipid bilayer as a phospholipid, as they are used to create a selective membrane.
Explanation:
Phospholipid and protein are present in cell membrane and provide structure and function.
What is the structure of cell membrane?All prokaryotic and eukaryotic cells, including those found in plants and animals, have a thin covering called the cell membrane, also known as the plasma membrane, that encloses the cytoplasm.
The phosphate group head of phospholipids is hydrophilic (loves water) and the fatty acid tails are hydrophobic, phospholipids can create cell membranes (water-hating).
Therefore, these characteristics cause them to naturally arrange themselves into a specific pattern in water and create cell membranes.
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I will give branliest and 15 points
4. Find out mismatched pair.
I) Lavoisier - Oxygen
2) Joseph Black - Hydrogen
3) Priestley - Belljar
Answer:
........................
Which statement best describes the distribution of life in the lake?
PLEASE HELP ME )):
The best statement describes the distribution of life in the lake is autotrophs exist mainly in layer 1 because more sunlight reaches this level.
What are the characteristics of autotrophs?An autotroph or primary producer is an organism that produces complex organic compounds using carbon from simple substances such as carbon dioxide, generally using energy from light or inorganic chemical reactions.
Plants are the most familiar type of autotroph, but there are many different kinds of autotrophic organisms. Algae, which live in water and whose larger forms are known as seaweed, is autotrophic.
There are no animals that could be considered autotrophic. Examples of organisms that are autotrophic are plants and algae, and they have specialized cell organelles that have the ability to power the process of photosynthesis.
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Some examples of exothermic devices
Exothermic devices are devices that release energy in the form of heat, light, or sound, and some examples are combustion engines, explosives, gas burners, incandescent light bulbs, etc.
One of the most common types of exothermic devices is the combustion engine, which is used in vehicles and other machinery to produce kinetic energy. In a combustion engine, fuel and air are mixed together and ignited, producing a rapid exothermic reaction that releases energy in the form of heat and expanding gases. This energy is then used to power the engine and propel the vehicle forward.
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help with biology please!
A gene has two alleles: A and a. In a population that is in Hardy-Weinberg equilibrium, 9% of individuals have the aa genotype. What is the frequency of the A allele
Not sure about what the question wants exactly, A alleles or AA alleles or Aa alleles. This is the answers for A alleles.
I have to screenshot the answer cuz Brainly says my words are rude. Sorry for the inconveniences!
Herbivores have teeth that are....A. sharp for piercing.B. dull for grinding.C. both sharp and dull.
Herbivores are adapted to eat plants. This means, for ecample that their teeth are adapted to grind the tough plant ma
describe in brief the function of heart
Answer: The human heart is an organ that pumps blood throughout the body via the circulatory system, supplying oxygen and nutrients to the tissues and removing carbon dioxide and other wastes.
Explanation:
Which two species share a more recent common ancestor (making them more closely related to each other)? (select all that apply)
Question 7 options:
Fly agaric
Palm tree
Gecko
Answer:
palm tree and fly agaric
Explanation:
Which of the following statements concerning chromosomes is/are true? Select all that apply.
selectk All That Apply
Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
Homologous chromosomes contain the same genes and the same allele combination.Homologous chromosomes contain the same genes and the same allele combination.
DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made and each of these copies are called sister chromatids.
After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell’s genes to the next generation of cells within the body.
The true statements concerning chromosomes are:
1. Chromosomes are composed of DNA and packaging proteins called histones so they may fit tightly into the nucleus of a cell.
2. Located on each chromosome are segments of DNA known as genes or units of inheritance that code for functional products.
3. Homologous chromosomes contain the same genes and the same allele combination.
4. DNA replication occurs prior to the cell cycle, in which copies of each homologous chromosomes are made, and each of these copies is called sister chromatids.
5. After replication, sister chromatids, which are identical copies of a chromosome, contain identical allele combinations.
6. The ultimate purpose of sexual reproduction and replicating chromosomes is to pass on a copy of a cell's genes to the next generation of cells within the body.
1. Chromosomes are composed of DNA and histones, which are proteins that help in packaging the DNA. This packaging allows the long DNA molecule to fit tightly into the nucleus of a cell.
2. Genes are located on chromosomes. They are segments of DNA that contain instructions for building functional products like proteins. These genes serve as the units of inheritance, carrying genetic information from one generation to the next.
3. Homologous chromosomes refer to the two copies of each chromosome in a diploid cell. While they contain the same genes, they may have different alleles, or versions of those genes, which contribute to genetic variation.
4. DNA replication occurs before the cell cycle. During replication, each chromosome's DNA is copied, resulting in two identical sister chromatids attached at a central region called the centromere. This ensures that each daughter cell receives a complete set of chromosomes during cell division.
5. Sister chromatids are exact copies of each other because they are formed through DNA replication. They contain identical allele combinations since they originated from the same chromosome.
6. The purpose of sexual reproduction and the replication of chromosomes is to pass on a copy of the cell's genes to the next generation of cells within the body. This ensures the transmission of genetic information, allowing for the development of new individuals with unique combinations of genes.
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Note Enter your answer and show all the steps that you use to solve this problem in the space provide
The midpoint of CD is E(-1,0) One endpoint is C (5,2) What are the coordinates of the other
endpoint?
Answer:E is as far from C as it is from D. So,CE = E-C = (-1-5,0-2) = (-6,-2)So, add that much to E and you getD = E+(E-C) = (-1,0)+(-6,-2) = (-7,-2)
Explanation:
What is the underground portion of the mushroom called?
mycellium
hyphae
stalk
spores
Answer:
mycellium
Explanation:
The Earth is the only planet in our solar system that seems capable of supporting life as we know it. Which of these characteristics
is NOT necessary if a planet were to support life?
A)
source of fresh water
B)
extreme global warming
C)
able to receive sunlight
D
small changes in temperature
Answer: B) Extreme global warming.
Explanation:
The Earth is the only planet in our solar system that seems capable of supporting life as we know it. The characteristic which is not necessary if a planet were to support life is extreme global warming. Thus, the correct option is B.
What is Extreme global warming?Global warming refers to the rise in the global temperatures mainly due to the increasing concentrations of greenhouse gases in the atmosphere. Climate change refers to the increasing changes in the measure of climate over a longer period of time including the precipitation, temperature, and wind patterns.
The anticipated increase in the precipitation, melting of the glaciers and also the expanding seas which have the power to influence the Indian climate negatively, with an increase in the incidence of floods, hurricanes, and storms. Global warming may also pose a significant threat to the food security situation in the country.
Therefore, the correct option is B.
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PLEASE ANSWER AS SOON AS POSSIBLE, How can we prove that the Earth, Sun, and Moon are all moving through space?
Answer:
Yes
Explanation:
They are all moving through earth because they are always rotating around the sun, while the moon is rotating around the rotating earth.
15. What would happen if the genes involved in differentiation were
removed from a newly fertilized frog egg?
(A) The embryo would become a tadpole but not an adult.
(B) The embryo would develop only one type of cell.
(C) The adux frog would have cells capable of becoming any other type of cell.
O (D) The adult cells would do every job required by the organism.
Hey y'all
Define work and power. Write the realationship between them
Answer:
WORK
1 : activity in which one exerts strength or faculties to do or perform something: a : activity that a person engages in regularly to earn a livelihood people looking for work. b : a specific task, duty, function, or assignment often being a part or phase of some larger activity.
Power
2 : possession of control, authority, or influence over others. 2 : a nation that has influence among other nations a foreign power. 3 : the ability to act or produce an effect It's in your power to change things. 4 : the right to do something the president's powers. 5 : physical might : strength The wind grew in power .
Explanation:
Mark as brainliest plsssssssssssssssssssssssssss
Answer:
Work is the energy needed to apply a force to move an object a particular distance, where force is parallel to the displacement. Power is the rate at which that work is done.
Work is how much force it takes to move an object in the same direction as the force. Power is how long it takes you to do the work.
Explanation:
thank you for your question
This type of data is descriptive and does not involve numbers.
Answer:
qualitative
Explanation:
Which chain of volcanic islands is not part of a convergent/subduction plate boundary?
Hawai'an volcanic islands
Hawai'an volcanic islands is not part of a convergent/subduction plate boundary.
What kind of plate boundary produces a sequence of volcanic islands?convergent boundaryAlong the convergent boundary, the new magma (molten rock) rises and may erupt violently to form volcanoes, frequently creating arcs of islands. Divergent plate boundaries are created when two plates are moving apart.Why do volcanic chains and convergent borders coexist?Subduction causes melting that is partially molten. Water loss in the plate causes partial melting. Mantle material melts as a result and rises to the surface.Which are the 4 types of convergent boundries?Divergent Plate Boundary. Convergent Plate Boundary. Transform Plate Boundary. Hotspot.To learn more about volcanic islands visit:
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Which flasks contain organisms undergoing photosynthesis?
Flask 1, 2, and 3
Flask 1 and 3
O Flask 2 and 3
O
None
Answer: Sorry
Explanation: Guys read or watch the maze runner. read if ur a good person or watch if your a normal shank. You won't regret it ;)
Are mutations always harmful? What is an example of when a mutation is harmful in one population of a
species but neutral or beneficial to a different population?
Answer:
one exaple is that it is harmful because it hurts u and others
Explanation:
your welcome
Harmful mutations may cause genetic disorders or cancer. A genetic disorder is a disease caused by a mutation in one or a few genes.
What are mutations?Any change in the DNA sequence of a cell. Mutations may be caused by mistakes during cell division, or they may be caused by exposure to DNA-damaging agents in the environment.
Mutations can result from errors in DNA replication during cell division, exposure to mutagens or a viral infection. Germline mutations can be passed on to offspring, while somatic mutations are not passed on.
The G-T mutation is the single most common mutation in human DNA. It occurs about once in every 10,000 to 100,000 base pairs -- which doesn't sound like a lot, until you consider that the human genome contains 3 billion base pairs.
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PLEASE QUICK!!!!
Complete the analogy
Cells : _______ :: Species : Population
Answer:
There are more but there is only one blank so,
The answer should be Organism (?)
Select all that apply
_____ neurons receive information from sensory organs. (Choose every correct answer.)
Multiple select question.
Efferent
Sensory
Motor
Afferent
The correct answers are Sensory and Afferent neurons. Sensory neurons receive information from sensory organs and send it towards the central nervous system, while Afferent neurons carry information from the peripheral nervous system to the central nervous system.
Afferent and Sensory neurons receive information from sensory organs. Efferent and Motor neurons, on the other hand, transmit signals away from the central nervous system to effectors such as muscles and glands.
1. Afferent neurons, also known as sensory neurons, transmit signals from sensory receptors (like those in the eyes, ears, and skin) towards the central nervous system (CNS) for processing.
2. Sensory neurons are a specific type of afferent neurons that are responsible for transmitting sensory information from sensory organs to the CNS. These neurons help in detecting and relaying information related to various stimuli like sound, light, touch, temperature, and taste.
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what causes lighting
What is the name of the insect that looks like a twig?
which of the following are the three phases of inflammation? a. vasoactive release, diapedesis, and angiogenesis b. cytokine production, vasodilation, and phagocytosis c. vascular changes, leukocyte recruitment, and resolution d. margination, histamine release, and apoptosis
The three phases of inflammation are vascular changes, leukocyte recruitment, and resolution, which correspond to option c.
In the first phase, vascular changes occur due to vasoconstriction followed by vasodilation, which causes increased blood flow and permeability of blood vessels. In the second phase, leukocytes are recruited to the site of injury or infection, which helps to fight off the source of inflammation. Finally, resolution occurs when the inflammation subsides, and the tissues return to their normal state. This process is regulated by the production and release of various cytokines, chemokines, and growth factors. Therefore, option b is incorrect as it only mentions cytokine production and vasodilation, and option a and d are also incorrect as they do not include all three phases of inflammation. Understanding the phases of inflammation is essential for the proper management and treatment of various inflammatory conditions.
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