The momentum of a car traveling 20 m/s has a mass of 1,800 kg and is found to be 36000 kg m/s.
What is momentum?Momentum may be defined as the quantity of motion of the body with respect to time. It is the product of the mass and velocity of an object. It is a vector quantity as it typically possesses a magnitude and a direction.
According to the question,
The mass of a traveling car, m = 1800 kg.
The velocity of a car, v = 20 m/sec.
Therefore, the momentum is calculated with the help of the following formula:
Momentum = Mass × Velocity.= 1800 kg × 20 m/sec = 36000 kg m/s.
Therefore, the momentum of a car traveling 20 m/s has a mass of 1,800 kg is found to be 36000 kg m/s.
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What events occurs in prophase I of meiosis that did not occur in prophase of mitosis?
Anaphase 1 splits a part homologous are an events occurs in prophase I of meiosis that did not occur in prophase of mitosis
Before meiosis I begins, DNA replication occurs. Homologous chromosomes link up and create synapses during prophase I, which is a stage exclusive to meiosis. It becomes clear that genetic recombination causes chiasmata to occur when two paired chromosomes are known as bivalents. They can be seen under a microscope thanks to chromosomal condensation. The bivalent has two chromosomes, four chromatids, and one chromosome from each parent. Disappearance of the nuclear membrane The chromosomes connected to spindle fibres start to move when one kinetochore instead of one per chromatid develops. The metaphase plate is home to bivalents, each of which has two chromosomes (four chromatids). Both paternal homologues are on one side in a random orientation.
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give examples of worldwide cooperative efforts to prevent extinctions.
There are many worldwide cooperative efforts in place to prevent the extinction of various species. Some examples include the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES).
This international agreement regulates the trade of threatened plants and animals and has been signed by 183 countries to prevent over-exploitation through international trade.
The Red List of Threatened Species: Compiled by the International Union for Conservation of Nature (IUCN), this list provides information on the conservation status of various species, and helps prioritize conservation efforts. The African Elephant Coalition: A group of 29 African range states working together to end the illegal trade in elephant ivory and to conserve and protect African elephants.
The Rhino Conservation Program: A worldwide effort to protect the five remaining rhino species, through anti-poaching initiatives, habitat protection, and breeding programs. The Giant Panda Conservation: A global effort to save the giant panda from extinction, through habitat protection, breeding programs, and public education and awareness.
The Marine Turtle Conservation: A global initiative to protect and conserve marine turtles and their habitats through research, monitoring, public education, and conservation actions.
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What is the best evidence that two organism share a common evolutionary ancestry
The best evidence that two organisms share a common evolutionary ancestry is the presence of homologous structures, which are structures that have a similar underlying structure or function but may have different outward appearances.
What is the ancestry about?Homologous structures indicate that the organisms have a common ancestor that possessed that structure and passed it on to its descendants through evolution.
Another evidence is the presence of analogous structures, which are structures that have a similar function but do not share a common ancestor, this is a convergent evolution, and not a shared ancestry.
In summary, Homologous structures, genetic similarity, and shared developmental pathways are the best evidence that two organisms share a common evolutionary ancestry.
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What research methods are used in Behaviouralism?
Behaviourist researchers used experimental methods (puzzle box, operant conditioning or Skinner box, Little Albert experiment) to investigate learning processes.
Behaviouralism (or behavioralism) is a political science method that arose in the 1930s in the United States. It marked a significant departure from prior approaches by emphasising an objective, quantifiable approach to explaining and forecasting political behaviour. It is linked to the emergence of the behavioural sciences, which are fashioned after the natural sciences. Behaviouralism promises to be able to explain political behavior from such an impartial, neutral standpoint.
Behaviouralists strive to investigate and explain the behaviour, activities, and acts of people and groups in various social circumstances, rather than the features of institutions such as legislatures, executive branches, and judiciaries. Behaviouralism investigates how individuals act genuinely in group situations rather than the way they should behave. A study of the United States Congress, for example, would involve an examination of how members of Congress behave in their roles. The focus is on how Congress becomes an "arena of activities," as well as the surrounding official and informal realms of influence.
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What does insertion and deletion?
Insertion and deletion mutations are two types of genetic variations that occur when changes are made to the DNA sequence.
Insertion mutations occur when one or more nucleotides are added to the DNA sequence, while deletion mutations occur when one or more nucleotides are removed from the DNA sequence.Insertion mutations can have a significant effect on the structure and function of the protein, and can ultimately affect the overall health and wellbeing of an organism.
For example, when one or more nucleotides are added, the insertion is considered a frameshift mutation, which shifts the reading frame and can result in a completely altered amino acid sequence for the rest of the protein. This change in the amino acid sequence can affect the structure and function of the protein.
Deletion mutations can also have a significant effect on the structure and function of the protein. Deletion mutations that occur in the coding region of a gene can result in a change in the amino acid sequence of a protein, which can lead to altered protein structure and function.
For example, a point deletion, which is a deletion of a single nucleotide, can result in a frameshift mutation and the loss of the protein's function. Deletion mutations that occur in the regulatory regions of a gene can affect the expression of a gene and can ultimately affect the amount of protein produced.
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The part of the atom that carries a negative charge is the ____ and the part that carries a positive charge is the ____
neutron; proton
proton; neutron
neutron; electron
electron; proton
Answer:
D) The part of the atom that carries a negative charge is the electron and the part that carries a positive charge is the proton
Explanation:
Hope it helps! =D
Answer: Neutron; Proton
Explanation: Neutrons are Negative, Protons are Positive and Electrons are neutral.
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Conduct an internet search on a famous storm. Prepare a report on your storm.
(Minimum of 3 sentences.)
One famous storm is Hurricane Katrina, which hit the Gulf Coast of the United States in 2005. It was one of the deadliest and most destructive hurricanes in American history, causing widespread damage and flooding in Louisiana, Mississippi, and Alabama. The storm resulted in the deaths of over 1,800 people and caused an estimated $108 billion in damages.
What is Hurricane Katrina?Hurricane Katrina formed as a tropical depression in the Bahamas on August 23, 2005, and quickly strengthened into a Category 5 hurricane as it moved across the Gulf of Mexico. On August 29, it made landfall in Louisiana as a Category 3 storm, with winds of up to 125 miles per hour.
The storm surge caused by Katrina was particularly devastating, with water levels reaching as high as 27 feet in some areas, causing widespread flooding and destruction.
The city of New Orleans, which is located below sea level and is protected by levees, was particularly hard-hit by the storm. The levees were breached in several places, allowing water to flood 80% of the city. The flooding led to widespread destruction of homes and businesses, as well as damage to infrastructure.
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Which of the following is responsible for the mRNA translation effectively MCQ?
The ribosome binding site and the initial nucleotide sequence are both necessary for effective translation of mRNA produced from cloned genes.
Translation is the process of creating functional proteins by extracting the genetic code from messenger RNAs (mRNA). The ribosomes are where protein synthesis happens.
One of the initial steps in the creation of proteins is the transcription of mRNA from DNA genes in the nucleus. At some point in the past, the various RNA types were created utilizing the appropriate DNA. Once in the cytoplasm, the RNAs leave the nucleus.
Ribosomal subunits form a sandwich-like structure on the strand of mRNA during translation, where they proceed to draw tRNA molecules bound to amino acids (circles). As the ribosome converts the mRNA sequence into a polypeptide, or new protein, a lengthy chain of amino acids is formed.
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suppose that a particular enzyme and substrate combination exhibit a reaction rate of 2 micromolar/min when the concentration of substrate is 10 millimolar. now suppose you add an inhibitor (leaving the substrate concentration unchanged) and the rate of the reaction drops to 0.5 micromolar/min. what sort of inhibitor is this?
This sort of inhibitor is competitive inhibitor.
Inhibitors are molecules that can interact with enzymes and prevent them from performing their normal biological function.
One type of inhibitor is a competitive inhibitor, which binds to the active site of an enzyme and blocks the binding of the substrate.
This type of inhibitor works by competing with the substrate for binding to the active site of the enzyme, thus preventing the enzyme from catalyzing the reaction.
By preventing the enzyme from performing its normal function, competitive inhibitors can be used to regulate the activity of enzymes in a variety of biological processes.
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how many phalanges are in each hand and each foot?
Phalanges. the 14 bone that make up both the toes on each foot and the fingers on each hand.
the fourteen bones that comprise each toe. The superficial and deep phalanges make up the big toe. There are three on the other toes. The bone that make up the toes of a foot and the digits of the hand are known as phalanges. Each hand has 14 phalanges, and each foot has 14 phalanges. Therefore, humans have 56 phalanges altogether. Accordingly, there are 14 phalanges on each hand, making it a total of 28 phalanges on both hands. There are 14 phalanges in each of the two feet, for just a total of 28 phalanges on both feet. The remainder of the toes have proximal, middle, & distal phalanxes, whereas the big toe has a distal and proximal phalanx.
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Which organ system is most important to behavior?
Answer: The central nervous system
Explanation: made up of the brain and spinal cord, is the major controller of the body's functions, charged with interpreting sensory information and responding to it with its own directives.
Answer:
central nervous system or digestive system
Explanation:
personally i think its your central nervous system but thats basically your brain, there's also your digestive system, if you dont take care for it, it can really twist your behavior. choose one of these
how do short strands of dna move as compared to long strands
Due to their lower size, short DNA strands can move more freely and are more flexible than long ones. In comparison to small strands, long DNA strands are less flexible and less able to move freely.
Furthermore, there are a number of variables that can alter how DNA strands move, including the presence of proteins and other molecules that can attach to DNA and change how it moves.DNA strands can move more freely and are more flexible when they are less in length than when they are longer. This is so that less energy is needed to bend or twist shorter strands, which have fewer base pairs. Since longer strands have more base pairs, they are more stiff and have less mobility. The presence of different proteins and other molecules that can bind to DNA and affect its mobility, such as enzymes involved in DNA replication, repair, and other processes related to DNA, can also have an impact on how DNA moves.
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By learning about settlement patterns, what did Gordon R. Willey discover about the Mayans?
A:They used more advanced farming methods than previously believed.
B:They trahyd with far more civilizations than previously believed.
C:They shared their religion with many other societies nearby.
D:They built houses on many different types of landscapes, allowing their populations to grow quickly.
According to their findings, Ceibal predates the towns built during the height of Maya civilization and was a very early community.
Why did the Mayans trade obsidian?Ceibal, a Maya site in Guatemala, was investigated by Gordon Willey and a group of Harvard archaeologists in the 1960s. The cities built during the height of Maya civilization predated Ceibal, according to their research, which showed that it was a very early settlement. Although they engaged in limited exterior trade, the Mayans dealt mainly within their own realm. The Mayans mostly traded with other local peoples in Central America while doing business outside of their empire, but they are known to have travelled as far north as Teotihuacan in the Aztec Empire and as far south as Colombia. As a sharp cutting tool, obsidian was highly prized by the ancient Maya. Obsidian is helpful for reconstructing trade because there aren't any obsidian-producing natural resources in the Maya lowlands.Therefore the correct answer is option B:They trahyd with far more civilizations than previously believed.
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the parts of the nervous system other than the brain and spinal cord, includes spinal nerves that transmit information to and from the spinal cord and cranial.
A. True
B. False
It is true The central nervous system is responsible for integrating sensory information and responding accordingly
What is peripheral nervous system (PNS)?By way of the peripheral nervous system (PNS), nerve impulses travel to and from the brain through the spinal cord to a specific location in the body. The PNS is a complex system of nerves that branch off from the spinal nerve roots.our peripheral nervous system (PNS) is that part of your nervous system that lies outside your brain and spinal cord. It plays key role in both sending information from different areas of your body back to your brain, as well as carrying out commands from your brain to various parts of your body.The PNS connects the CNS to the rest of the body. The primary function of the peripheral nervous system is to connect the brain and spinal cord to the rest of the body and the external environment. The peripheral nervous system transmits information to and from the CNSTo learn more about peripheral nervous system refers to:
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What are the levels of organization in multicellular organisms?
Answer:
cells, tissues, organs, system, organis
Explanation:
which results should occur if climate change leads to increased warming global temperatures? which results should occur if climate change leads to increased warming global temperatures? land animals will suffer fewer consequences than marine animals. winters will be longer toward the poles. species competition will result in slower evolution in the tropics. the tree line (at which it is too cold for trees to grow) moves toward the north and south poles.
A few results that are expected to occur if climate change leads to increased warming global temperatures are land animals will suffer fewer consequences than marine animals.
This statement is not necessarily true. Climate change can have far-reaching impacts on both land and marine ecosystems, with the consequences of global warming affecting different species in different ways.
Winters will be longer toward the poles: This statement is not necessarily true. Global warming is expected to cause changes in the timing and length of seasons, but the specifics of these changes can vary depending on the region.
Species competition will result in slower evolution in the tropics: This statement is not necessarily true. Global warming may cause species competition to increase in some regions, leading to more rapid evolution as species adapt to changing conditions. The tree line moves toward the north and south poles.
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What is the process of building an RNA molecule from instructions on a DNA molecule?
Transcription is the process of copying (transcribed) her DNA sequence of a gene to make an RNA molecule. RNA polymerase is the major transcription enzyme.
Transcription is the first step in decoding a cell's genetic information. During transcription, an enzyme called RNA polymerase builds an RNA molecule that is complementary to part of the strand of the DNA double helix.
Transcription begins when RNA polymerase binds (either directly or via a helper protein) to the promoter sequence near the beginning of the gene. RNA polymerase uses one of the DNA strands (the template strand) as a template to create new complementary RNA molecules.
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Fragments of copied DNA created on the lagging strand is called
Fragments of copied DNA created on the lagging strand is called Okazaki fragments, and they play a key role in helping cells replicate their genetic information.
To understand how this works, we have to look at what’s known as DNA replication - the process by which a cell makes an exact copy of its genetic material. During replication, each strand of the double helix unzips and acts as a template for creating a new complimentary strand. On the leading strand, this happens in one continuous piece; however on the lagging strand it occurs in pieces, which are known as Okazaki fragments.
Once created, these snippets then come together to form one long matching lagging strand. In short, Okazaki fragments are crucial components of accurate DNA replication that occur on the lagging strand.
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Why starch is preferred for storage in plants?
Starch is really a polysaccharide that is not soluble in water, which means it has no effect on how water travels into or out of plants, allowing plants to store massive amounts of starch inside their cells.
Starch seems to be a polysaccharide and complex carbohydrate composed of a chain of covalently linked glucose molecules. Pure starch is a tasteless, odorless, white powder produced from plants that accounts for a major component of modern human meals. Most green plants produce starch to store extra glucose produced during photosynthesis.
Glycogen is a more highly branched polymer containing glucose monomers that functions as an energy storage molecule in mammals. Glycogen is predominantly produced and stored in liver and muscle cells. When they need to absorb more energy than they have readily accessible from photosynthesis, they trap glucose as part of a carbohydrate molecule or break off smaller glucose units.
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one characteristic that living things share is metabolism. which statement best describes metabolism?
Option a is Correct. The balance between an organism's ability to build up and break down chemicals in its cells is known as metabolism.
The chemical process known as metabolism balances and controls how substances are made and broken down inside of bodily cells. The body's natural metabolic process involves the chemical reorganization of cells. It is an essential activity that produces and breaks down the nutrients and materials needed for reproduction, growth, and other processes.
Through catabolism, it breaks down the food, and through anabolism, it builds. The body's internal transformations and chemical processes are collectively referred to as metabolism. All organisms, including fungi, animals, plants, and bacteria, have metabolism. Things that are not living don't have metabolism. Therefore, we can state that metabolism is a characteristic of all life.
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Correct Question:
What characteristics that living things share is metabolism which statement best describes metabolism
A. metabolism is the balance in organism maintains between building up and breaking down substances in cells
B. Metabolism is the sum of all of the internal systems in one organism
C. Metabolism is the different kinds of energy is so uses to function
D. Metabolism is all of the components and organism needs to survive
red blood cells contain a higher concentration of potassium than the surrounding blood plasma does. this higher concentration is maintained by the process of
active transport, which moves potassium ions from the plasma across the cell membrane and into the cell. The process of active transport is dependent on the presence of a protein.
What is the protein ?
Protein is an essential macronutrient that is essential for human health and well-being. It is an essential component of every cell in the body and plays a vital role in a wide variety of metabolic processes. Protein provides the body with amino acids, which are the building blocks of proteins, and are necessary for growth, repair, and maintenance of body tissues. Protein is also important for the production of hormones and enzymes, which help regulate various body functions. Protein is found in a variety of foods, including meat, fish, eggs, dairy, nuts, and legumes. Eating enough protein is essential for good health, and can help to promote muscle growth and recovery, reduce appetite and cravings, and promote healthy blood sugar levels.
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what forms a coiled structure of dna and histone proteins
The coiled structure of DNA and histone proteins is called chromatin.
Chromatin is the material that makes up chromosomes, which are the structures that carry genetic information in the cell. It is composed of DNA, histone proteins, and other non-histone proteins.
Histone proteins are small, basic proteins that act as spools around which DNA winds. They help to organize and compact the DNA, making it possible for the cell to fit the DNA into the cell's nucleus. Histones form a core around which the DNA winds, forming a structure called the nucleosome.
Nucleosomes are the basic repeating units of chromatin, and they are composed of eight histone proteins and about 147 base pairs of DNA. The DNA wraps around the histone proteins, which form a structure called the nucleosome.
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Which of the following types of selection causes one extreme phenotype to be more frequent in a population?
a. directional selection
b. disruptive selection
c. stabilizing selection
d. basic selection
Answer:
A
Explanation:
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The correct answer is (a) directional selection. When a trait exists as a gradient or spectrum, several different types of selection can take place. Directional selection occurs when one extreme of the phenotype is favored.
what gas is released in the process of photosynthesis?
During photosynthesis, energy from the sun is captured and converted into chemical energy in the form of glucose with the help of water and carbon dioxide. Oxygen is released as a by-product.
Photosynthesis is the process of converting water and carbon dioxide into glucose, harvesting solar energy as chemical energy. Oxygen is released as a by-product. Cellular respiration uses oxygen to break down glucose, releasing chemical energy and heat in the process. Photosynthesis is the process by which organisms containing the pigment chlorophyll can convert light energy into chemical energy and store it in molecular bonds of organic molecules (such as sugars). Photosynthesis powers almost every trophic chain and food cycle on the planet.
Chlorophyll is the true catalyst of photosynthesis. Cyanobacteria, plankton, and land plants all rely on this light-sensitive molecule to initiate processes.
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what’s a mesocyclone
Answer:
It is a vortex of air , approximately 2 to 10 mile in diameter , within a convective storm. In a mesocyclone, air rises and rotates around a vertical axis, usually in the same direction as low pressure systems. They are most often associated with a localised low-pressure region within a severe thunderstorm. It is considered to be one of the strong thunderstorms. The mesocyclone is found within the convective storm in the form of a vortex of air. The air rises and rotates along the vertical axis.
Which sentence best explains how a lake forms?
A. Standing water covers coastal areas for most of the year.
B. Water moves underground through cracks in rock formations.
C. Surface water runs downhill and fills large depressions in the
ground.
D. Water runs off the land in narrow channels after it rains.
Answer:
C
Explanation:
Identify the monomer for the following polymers: nucleic acid, carbohydrate, protein, lipid
Answer:
Carbohydrates - monosaccharides
Lipids - glycerol and fatty acids
Nucleic acids - nucleotides
Proteins - amino acids
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Complete the sentence. A _______________ can produce a different beak size. If the new beak size is better at food collection, the birds that have it will survive longer and reproduce more. random mutation natural selection chirping variation new plant
A natural selection can produce a different beak size.
What do you mean by natural selection?Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations.
Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways.
There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection.
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Answer:
Random mutations
Explanation:
I am not sure about that, i took the test but got it wrong, so its random mutation or New animals
which process comes first throughout protein synthesis?
transcription is the process that comes first throughout protein synthesis. it occur in the nucleus. during the process DNA is copied to mRNA.
The method through which cells produce proteins is called protein synthesis. Transcription and translation are the two steps that take place. The conversion of DNA's genetic code into mRNA in the nucleus is known as transcription. Initiation, elongation, and termination are the three processes that make up this process. A ribosome in the cytoplasm receives the instructions from the processed mRNA after it has been processed. The ribosome, made up of proteins and rRNA, is where translation takes place. The tRNA transports the appropriate sequence of amino acids to the ribosome after reading the instructions in the mRNA during translation. In order to create a polypeptide chain, rRNA then assists in the formation of linkages between the amino acids. The completed protein may be created by further processing a polypeptide chain after it has been created.
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Suppose that instead of consuming small fish, the mackerel begins to consume small amounts of leftover plastic polluting the ocean. Describe the impact that this would have on the Mackerel, Snapper Fish and Large Shark populations. Explain your reasoning.
Answer:
It creates a bigger food chain
Explanation: