Answer:
140 km per hour.
Explanation:
350 divided by 2.5= 140
The average speed of the train was 140 kilometers per hour.
Speed is a unit used to describe how fast something is moving with respect to another object. Due to its scalar nature, it has only magnitude and no direction. By dividing the distance traveled by an object by the time required to cover that distance, one can calculate its speed.
The formula for calculating speed is as follows:
Speed = Distance / Time
In the International System of Units (SI), the meter per second (m/s) is the accepted unit for measuring speed. Nevertheless, other common units for speed include kilometers per hour (km/h) and miles per hour (mph), depending on the situation and location.
We can use the following calculation to determine the typical speed of a train:
Average speed = Distance traveled / Time taken
In this example, the train covered this distance of 350 km in 2.5 hours.
Average speed = 350 km / 2.5 hours
Average speed = 140 km/h
Therefore, the average speed of the train was 140 kilometers per hour.
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A hormone that has as its primary function the regulation of hormone secretion by another endocrine gland is classified functionally as a(n):__________
A hormone that has as its primary function the regulation of hormone secretion by another endocrine gland is classified functionally as a tropic. The endocrine system's glands create chemical messengers called hormones, which travel through the blood to various regions of the body.
The pituitary, thyroid, parathyroid, thymus, and adrenal glands are all important endocrine glands. The endocrine system is comprised of various organs known as glands. Hormones are created and secreted (released) by these glands, which are situated throughout your body. Endocrine glands include the following: The adrenal glands are two glands located on top of the kidneys that produce the hormone cortisol.
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Pathologic anatomy examines all anatomic changes resulting from _____________.
Pathologic anatomy examines all anatomic changes resulting from disease
Disease is the condition of the body when normal conditions are absent that is hindering the normal functioning of the body.
Anatomy is the field of biological sciences that are concerned with internal structures of the living organisms. It is divided into many branches- microscopic anatomy, human anatomy, embryology, comparative anatomy, phytotomy, zootomy, etc.
Pathologic anatomy is a branch of anatomy that deals with the examination of the diseases based on macroscopic as well as microscopic examination of the cells and the tissues.
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The tactile system is actually made up of two distinct skin senses. please select the best answer from the choices provided t f
The assumption that the tactile system consists of two different skin senses is false.
The tactile sensory systemWe can sense, perceive, organise, and integrate information using the tactile system, which is a component of the nervous system, by using the skin's receptors. The first sense system to form while a child is within the womb is the touch system.What functions do the tactile sensory organs perform?The tactile system is what you can feel with your hands. It's how humans experience the full range of touch sensations, such as pain, temperature, vibrations, and textures. Our bodies have skin-based sensors that communicate with our brains in various ways. We are informed by these indications of what and when we have touched something.learn more about skin senses here
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Answer:
its false
edge2022
How do you describe Ammonia in 4-5 words without using any of the 5 scenes so like taste smell sight things like that.
Answer:
an inorganic compound NH3
Question 5(Multiple Choice Worth 3 points)
(02.02 MC)
How is Earth's surface most likely to change in a place that experiences extensive animal activity?
Sand dunes will be formed due to deposition of sediments.
Soil will loosen due to vast network of underground tunnels.
Cracks will appear in rocks due to freezing and thawing of water.
Rocks will break due to repeated abrasion and mechanical stress?
Answer:B) soil will loosen due to vast network of underground tunnels.
Explanation:
Which three of the following entities are acellular?.
a) prions archaea
b) viroids bacteria
c) viruses protists
d) fungi
Answer:
Prions archea, viroids bacteria, viruses protists are acellular while fungi is cellular.
While viruses have indeed been closely researched for more than a century for infections of people and animals, most viruses, particularly those that infect microorganisms, are still poorly understood.
Pathogenic RNA molecules are known as viroids. Contagious protein particles are identified as prions. Viruses are larger than that of viroids. Viroids are larger than prions in size.
Molds, wild yeasts, as well as mushrooms are examples of fungi. Numerous fungi are multicellular and also have nuclei in their cells. A protein-encased DNA or RNA core defines viruses being non - cellular organisms. Some scientists disagree with the notion that viruses are living things.
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What is shown in the image?
The Flagella are prolongation of the cell used to move on liquid environments. Option A) prokaryote.
What are flagella?The Flagella are mobile prolongation of the cell. They are organs used by bacteria and some eukaryotic cells to propel in a liquid environment. It is an organ with a motion function.
According to the attached definition and classification, we can assume the cell in the image is a lophotrichous bacteria. Option A) prokaryote.
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The effects of biota in soil formation are closely related to, and hard to distinguish from, the effects of?
The effects of biota in soil formation are closely related to, and hard to distinguish from, the effects of climate.
Even within a backyard, there are differences in the type of soil that exists. They differ in origin and development process. Different types of soils are shaped by the interaction of five key factors: climate, organisms, topography (landscape), matrix and time. The rate of chemical reactions is affected by temperature and humidity, which affects weather and the rate at which dead animals decompose. Soil develops faster in warmer and more humid regions than in cold or dry regions. One of the most important climatic variables for soil formation is precipitation. Large soil particles are broken down into smaller particles more quickly by bacteria, plants, animals, etc.The correct answer is climate.
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Which organelles contribute to synthesizing protein hormones and packaging them into secretory vesicles?
The organelle that contributes to synthesizing protein, hormones and packaging them into secretory vesicles is the Golgi complex.
In the field of science, the Golgi complex can be described as a membrane-bound organelle that is made up of cisternae. The cisternae are arranged in sacks in the Golgi complex
The Golgi complex is actively involved in synthesizing, modifying, and packaging of proteins into vesicles so that they can successfully be transported to their desired locations.
The Golgi complex is present near to Endoplasmic reticulum of a cell so that as soon as the proteins are made, the Golgi complex can carry out the process of processing them.
The Golgi complex is named after the scientist who was known for the discovery of this organelle, Camillo Golgi.
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Once they have penetrated the first line of defense, which microorganisms do natural killer (nk) cells actively attack?
Once they have penetrated the first line of defense, NK cells are the principal defenders against only tumor cells or virally infected cells.
What are NK cells?A particular class of immune cell that contains granules, or tiny particles, that contain enzymes that can destroy cancer cells or virus-infected cells. White blood cells, or NK cells, are one type of them. known as NK-LGL and natural killer cell, respectively.
Natural killer (NK) cells are effector lymphocytes of the innate immune system that regulate various tumour types and bacterial infections by preventing their growth and subsequent tissue damage.
Human NK cells are created from hematopoietic stem cells (HSCs), and as they transition from being CD56high to CD56low, KIRs, CD57, and NKG2C are expressed on terminally differentiated NK cells. During this time, NKG2A is gradually lost.
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The best description of the bonds that form polypeptides and the difference between polypeptides and proteins is.
The correct option is A i.e that carboxyl and amino groups join by a covalent bond and that a functioning protein can consist of several polypeptides.
What is polypeptides ?
A polypeptide is a peptide chain that is longer, continuous, and unbranched. Therefore, along with nucleic acids, oligosaccharides, polysaccharides, and others, peptides belong to the large chemical families of biological polymers and oligomers.
A protein is a polypeptide that has more than 50 amino acids, on average. A protein is made up of one or more polypeptides that are structured in a biologically useful manner. Proteins are frequently coupled to other proteins, other macromolecules like DNA or RNA, or complex macromolecular assemblies.
A polypeptide is a chain of many amino acids, whereas a peptide is two or more amino acids bound together by peptide bonds. One or more polypeptides can be found in proteins. Proteins are therefore extensive strands of amino acids joined together by peptide bonds.
Question:
The best description of the bonds that form polypeptides and the difference between polypeptides and proteins is
A) that carboxyl and amino groups join by a covalent bond and that a functioning protein can consist of several polypeptides.
B) the functional group of one amino acid joins with the carboxyl end of another via covalent bonds; proteins and polypeptides are the same things.
C) amino acids are joined via their hydroxyl groups with covalent bonds and many proteins make up a polypeptide.
D) polypeptides form via hydrolysis, forming hydrogen bonds between amino acids; proteins have a functional group whereas polypeptides do not.
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What is the theoretical diffraction limit of resolution of a light microscope used to look at a sample through oil?
The theoretical resolution limit of a light microscope being used examine a sample while it is in oil is 261 nm.
A light microscope's resolution is limited to between 0.4 and 0.7 micrometers, or half the wavelength of visible light. The objects are at most 0.2 m away when we can see green light (0.5 m).
Using a green light of 514 nm, an oil immersion objective with such a NA of 1.45, and a condenser with a NA of 0.95, the (theoretical) limit of resolution is 261 nm. As was already said, more detail can be resolved when imaging a specimen with a shorter wavelength of light in a microscope.
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How does capillary action allow water to climb up the sides of a straw? (For biology homework, please help if you can)
What transpires inside a drinking straw that has been placed in a cup of water is an illustration of capillary action.
The water will rise inside the straw a little bit higher than the rest of the water because the force of adhesion holding the water together and to the straw is a little stronger than gravity.
The adhesion of water molecules to other molecules, or the attraction between them, is also connected to these cohesive forces. This may be seen when a straw is placed in a glass of water and water "climbs" up the straw. You'll see that the water seems to be higher on the straw's sides than in the center.When we suck from a straw, a low-pressure area is generated inside our lungs by increasing the capacity of our lungs. As a result, the liquid rises inside the straw as a result of the atmospheric pressure forcing it into our mouth from the outside.Learn more about capillary action here:
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What characteristics make a particular molecule organic? select the two answers that are correct.
Organic molecules are more complex than inorganic molecules. They generally have carbon hydrogen and carbon oxygen bonds.
What are organic molecules?Organic molecules generally have carbon, oxygen and hydrogen bonds. Organic chemistry is a branch of chemistry that deals with organic chemistry.
Organic molecules are compounds with complicated structures. Carbohydrates, lipids and proteins are some kind of organic molecules. Organic molecules are generally larger than inorganic molecules.
Carbon chain in organic molecules can be straight, branched or ring shaped. This compounds have some functional groups such as hydroxyl, methyl and carbonyl.
Therefore, Organic molecules are more complex than inorganic molecules. They generally have carbon hydrogen and carbon oxygen bonds.
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An acquired condition (in older children and adults) that is due to a deficiency in the secretion of thyroid hormones is called _______________.
An acquired condition (in older children and adults) that is due to a deficiency in the secretion of thyroid hormones is called Hypothyroidism. Thyroid hormone is the hormone that regulates your body's metabolism, or how your body converts the food you ingest into energy. Thyroid hormone is made up of the two primary hormones released by your thyroid, thyroxine (T4)
Triiodothyronine (T3). Thyroid hormone is well known for regulating metabolism, growth, and a variety of other body activities. The hypothalamic-pituitary-thyroid axis is a self-regulatory circuit composed of the thyroid gland, anterior pituitary gland, and hypothalamus. The thyroid, causing hyperthyroidism or hypothyroidism inflammation.
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Which statement is a hypothesis that would best address the
question, "Are fewer monarchs migrating to Mexico because
many are dying as caterpillars from starvation?"
O Monarch butterflies are likely migrating to different
regions instead of Mexico.
O If monarch caterpillars are dying from starvation, then
reducing predators will help the population recover.
O If fewer monarchs are arriving in Mexico, then
scientists will find larger populations elsewhere.
O If monarch caterpillars are dying from starvation, then planting more milkweed will help the population
recover.
The hypothesis that fewer monarchs migrating to Mexico because many are dying as caterpillars from starvation is best suited by the statement that monarch caterpillars are dying from starvation, then planting more milkweed will help the population recover.
The monarch butterfly or simply monarch is a milkweed butterfly in the family Nymphalidae. Monarch butterflies migrate over extraordinary distances. Monarch butterflies spend the winter in Mexico and along the California coast in North America. A monarch butterfly has a 2,700-mile range (4,345 km).
Pesticides, such as the poisonous neonicotinoids and herbicides that are wiping off the milkweed plants necessary for their survival, as well as urbanization and climate change are all threats to monarch butterflies.
Hence, by planting more milkweed plants their food resources would be replenished nd hence the larva can feed up properly and this will help in increase of their population.
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The probability that a person with a positive screening test actually has the disease screened for is called:________
The probability that a person with a positive screening test actually has the disease screened for is called: Positive predictive value.
A screening test is a medical test or treatment carried out on members (subjects) of a designated asymptomatic population or population subgroup to determine the likelihood that their members will have a specific condition. It is also referred to as medical surveillance.
When a person does not exhibit any symptoms of a condition, a screening test is performed to look for probable health issues or diseases. The objective is early identification, lifestyle modifications, or surveillance to lower the risk of disease or to identify it early enough to receive the best possible care. Screening tests are used to identify a subset of the population who should undergo additional testing to ascertain the existence or absence of disease, even if they are not thought of as diagnostic.
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All other things staying the same, a high growth firm will have a relatively ______ need for external financing than a low growth firm.
All other things staying the same, a high growth firm will have a relatively lower need for external financing than a low growth firm.
What is Financing?This is defined as the various ways and methods in which funds are provided or raised for various types of activities such as business activities, investments etc.
A high growth firm will have a relatively lower need for external financing than a low growth firm because the available resources will be sufficient enough for the daily operations of the company. This is therefore the reason why it was chosen as the most appropriate choice.
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Microbes were first considered for bioremediation after marjory stephenson observed that they were digesting enormous quantities of waste from a sugar beet factory. the waste was accumulating in?
Wastewater, pollutants, and solid waste from sugar mills have an effect on the environment. And it accumulates in river water. Sludge that are washed from mills into freshwater bodies.
What is Bioremediation?
A subfield of biotechnology called “bioremediation” uses living things like bacteria and microorganisms to clean up contaminated environments.
It is used to clean up poisons, pollutants, and other contaminants from water, soil, and other habitats. A developing technology called bioremediation.
Conjunction with other physical and chemical treatment techniques to effectively handle a variety of environmental contaminants.
Using multidisciplinary technology will make it easier to predict the availability and biodegradation of contaminants in any natural or artificial system, human health posed by different environmental pollutants.
Therefore, river water were digesting enormous quantities of waste from a sugar beet factory to accumulate.
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Which one of the following organisms has a cell wall?
a. fungi
b. mycoplasmas
c. protoplasts
d. animal cells
A cell wall is a structural layer found just outside the cell membrane that surrounds some types of cells.
Fungi have cell wall , which is made up of chitin.
What are the functions of cell wall?A cell wall is a structural layer found just outside the cell membrane that surrounds some types of cells. It can be tough, flexible, and rigid at times. It provides structural support and protection to the cell, as well as acting as a filtering mechanism.
The main functions are cell wall is to provide structural strength and support, and also provide a semi permeable surface for molecules to pass in and out of the cell. It maintains the shape of the cell, protect it from burst out, provide protection against pathogens and regulates intercellular transport .
Protoplast is a living protoplasm of a living plant or bacterial cell wall has been removed, mycoplasma is Bacteria who lacks cell wall, animal cells also lack cell wall only Fungi have cell wall which made up of chitin.
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The classic steps for identifying an endocrine gland include removing the suspected gland, replacing the hormone, and which other step?
The glands that make up the endocrine system are a collection of organs. These glands, which can be found all over the body, produce and secrete hormones.
Hormones are substances that communicate with your organs, skin, muscles, and other tissues through your blood to coordinate various bodily functions. These messages instruct your body on what to do when. The endocrine system is made up of several glands. Your brain contains the hypothalamus, pituitary, and pineal glands. Your neck contains the parathyroid and thyroid glands. The pancreas is located beneath your stomach, the adrenals are on top of the kidneys, and the thymus is situated between your lungs.
Your body's endocrine system constantly checks the level of hormones in your blood. In order to transmit their messages, hormones target specific cells and lock into them. When your hormone levels increase, the pituitary gland signals other glands to stop manufacturing and releasing hormones. The pituitary gland has the ability to tell other glands to manufacture and release additional hormone when levels fall below a certain threshold. Homeostasis is a process that functions similarly to your home's thermostat.
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Diatoms, such as members of the genus navicula, belong to which major lineage of eukaryotes?.
Diatoms, such as members of the genus navicula, belong to stramenopila major lineage of eukaryotes.
Stramenopile:- Stramenopiles are group of organisms, that consists of stiff tripartite external hairs and flagella. Stramenopile is also known as heterokonts. It has both photosynthetic and nonphotosynthetic cells. Diatoms, chrysophytes, brown algae and some protozoa are included in the stramenopila kingdom. As stramenopiles are neither fungi, animals nor plants, they are eukaryotes.
Navicula:- Navicula is a genus of diatom algae, whose cells are boat-shaped.
Thus we can conclude that, diatoms such as members of the genus navicula, belong to stramenopila major lineage of eukaryotes.
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The ________ is the liquid portion of the cell between the plasma membrane and nucleus.
The cytoplasm is the liquid portion of the cell between the plasma membrane and nucleus. The cytoplasm is anything between the plasma membrane and the nuclear envelope in eukaryotic cells with nuclei. The cytoplasm in prokaryotes, which lack a nucleus it simply refers to the anything contained inside the plasma membrane.
The lipid bilayer that surrounds the entire cell is known as the cell cytoplasm membrane. The nuclear membrane, on the other hand, completely encircles the nucleus. The cell membrane is a single the continuous sheet. The cell membrane controls the passage of materials into and out of the cell.
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In addition to burning fossil fuels, humans return co2 to the atmosphere faster than it can be removed by:__________
In addition to burning fossil fuels, humans return co2 to the atmosphere faster than it can be removed by plants.
What are fossil fuels?Fossil fuels are created from decaying plants and animals. These fuels may be burned to provide energy and are present in the crust of the Earth. Fossil fuels include things like coal, oil, and natural gas.
Fossil fuels are used to create energy; they are burned in homes to create heat, in huge power plants to create electricity, and they are also used to power engines.
Fossil fuel air pollution can result in acid rain, eutrophication (extra nutrients that can impact aquatic ecosystems by lowering oxygen levels), damage to crops and forests, and harm to wildlife. Fossil fuels contribute to water pollution through oil spills and fracturing fluids.
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Sally notices that after it rains, water beads up on the surface of many leaves of the
plants in her garden. she believes this is due to surface tension. which properties are
actually responsible for this phenomenon?
cohesion and high density of ice
o polarity of water and adhesion
polarity of water and cohesion
cohesion and adhesion
The property of polarity of the water and cohesion could be the actual responsible for the beading up of water on the surface of leaves.
What is cohesion?
Cohesion, also known as cohesive attraction or cohesive force, is the action or quality of like molecules sticking together and being attracted to one another (from the Latin cohaesi, "cohesion, unity"). The uneven distribution of surrounding electrons that results when molecules are close to one another creates electrical attraction, which can keep a small structure like a water drop in place. This attribute of a substance is caused by the shape and structure of its molecules. Surface tension is made possible by cohesion, resulting in a "solid-like" state that allows for the placement of light or low-density materials.
It turns out that the tendency of water molecules to attract one another, or the tendency of cohesion, is what causes surface tension. The "lowest energy state," or the state in which the atoms in the molecule are utilizing the least amount of energy, is when a water drop takes on its natural form. This condition of water occurs when a water molecule forms a sphere or ball and is encircled by other water molecules on all sides. On Earth, gravity flattens this perfect sphere into the form of a drop that we can perceive.
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True or false: all other things staying the same, the lower the rate of growth in sales or assets, the greater will be the need for external financing.
False: all other things staying the same, the lower the rate of growth in sales or assets, the greater will be the need for external financing.
What is external financing?External financing is money raised by a company from outside sources, rather than through its profits.
External financing is also any kind of business funding you acquire from sources outside the company.
Examples include;
Bank loans,grants,selling company shares, etcThus, all other things staying the same, the lower the rate of growth in sales or assets, the lower will be the need for external financing.
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On the nutrition facts panel, the content of which of these vitamins must be provided?
The vitamins and minerals that are required to be listed on every nutrition facts label are vitamin D, calcium, iron, and potassium.
The nutrition facts label is a label that lists the standardized and detailed serving size, calories, fibers, and nutritional content of a food.
In many countries, the fact label indicates the ingredients, nutrients vitamins and minerals that are present in the food.
These nutritional guides are really helpful as they not only educate the people but also help users to make knowledgeable choices about the food they buy.
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after the peptide chains shaped for its function it becomes a
Answer:
it becomes a biologically active protein in its native 3D structure.
What tissue acts as a firm, protective packing around and between organs, bundles of muscle fibers, and nerves?
The Adipose tissue acts as a firm, protective packing around and between organs, bundles of muscle fibers, and nerves. Adipose tissue serves as a key metabolic component in the control of whole body energy homeostasis. While the brown adipose tissue stores lipids for cold-induced adaptive thermogenesis.
Other organs use the white adipose tissue as a vital energy source. In addition to protecting the body from the cold and the heat, cushioning sensitive organs, and secreting hormones and biological chemicals, its main job is to store energy. On the other side, neonates and foetuses tend to have more brown adipose tissues.
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The most radiosensitive period during pregnancy for radiation induced congenital abnormalities is during the _____________________.
The first trimester of pregnancy is the most radiosensitive time for radiation-induced congenital abnormalities.
An abnormality that is present at birth is what?A structural or functional anomaly that develops intrauterinally is referred to as a congenital anomaly. These illnesses, which are also known as birth defects, congenital disorders, or congenital abnormalities, arise during pregnancy and can be diagnosed before or at delivery as well as later in life.What common anomalies of birth are there?Down syndrome, neural tube problems, and heart defects are the most prevalent serious birth disorders. The precise causes of birth malformations are frequently difficult to pinpoint, even if they may be due to one or more genetic, viral, dietary, or environmental factors.
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