the length of a particular gene in human dna, measured from the start site of transcription to the end of the protein-coding region, is 40,000 nucleotides, whereas the length of the mrna produced from this gene is 1000 nucleotides. what is the most likely reason for this difference?
Answers
The most likely reason for the difference in length between the 40,000-nucleotide gene in human DNA and the 1,000-nucleotide mRNA produced from this gene is the process of RNA splicing.
During transcription, the entire gene is copied into a pre-mRNA molecule. However, the pre-mRNA contains both coding sequences (exons) and non-coding sequences (introns).RNA splicing is a critical step in gene expression, where introns are removed, and exons are joined together to form a mature mRNA molecule.
In the given example, the difference in length between the DNA gene and the mRNA suggests that a significant portion of the DNA sequence consists of introns. These introns are removed during RNA splicing, leading to a much shorter mRNA molecule that is 1,000 nucleotides long.
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Related Questions
Which statement is true regarding the taxonomic system?
Charles Darwin was the primary creator of the current taxonomic system.
All of the past, extinct species have been cataloged.
The current taxonomic system is based on the Linnaean classification system.
All of the current, living species in the world have been cataloged.
Answers
Answer:
1) taxonomy
2) species
3) the animal has sharp, pointed teeth
4) the current taxonomic system is based on the Linnaean system
5) he only had two kingdoms, animals and plants
Explanation:
did the quich check
The statement 'the current taxonomic system is based on the Linnaean classification system' is TRUE.
Taxonomy is a field of study focused on naming and classifying groups of organisms according to their morphological and genetic features. The taxonomic system organizes species from larger to more specific taxonomic categories in a hierarchical system.The botanical taxonomist Carolus Linnaeus is considered the father of taxonomy because he was the first person to formulate a system for classifying different species of plants and animals.Nowadays, the taxonomic system includes eight (8) categories from larger to more specific: domain, kingdom, phylum, class, order, family, genus, and species.In conclusion, the statement 'the current taxonomic system is based on the Linnaean classification system' is TRUE.
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Photosynthesis is the process by which plants synthesizes.....
1.) Food
2.) Oxygen
3.) water
Answers
Answer:
2. o2
Explanation:
Answer:
food
Explanation:
Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy.
in short it is a process by which plants synthesize FOOD
Explain the process of meiosis with your own words as complete as you can.
Answers
Answer:
Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. During meiosis one cell? divides twice to form four daughter cells. These four daughter cells only have half the number of chromosomes? of the parent cell – they are haploid.
The process results in four daughter cells that are haploid, which means they contain half the number of chromosomes of the diploid parent cell. Meiosis has both similarities to and differences from mitosis, which is a cell division process in which a parent cell produces two identical daughter cells.
Explanation:
Come to this question for BIG POINTS!!!!! Hey this is a review but counts a lot of my average. NOT A TEST!!! On mastery connect genetics so if you have Mastery connect check on there. Ignore any answers on there NOT my real answer just a random one. No links(I am prepared to sue) No unhelpful answers ( Prepared to email) only answer if you think you are 100% right.
Answers
what would happen to your cells if you tried to drink ocean water
Answers
Answer:
the salt water causes harm to your cells and can cause dehydration
Explanation:
The medulla ____. connects the spinal cord to the brain and makes chemicals important in sleep controls vital reflexes such as respiration, heart rate, and blood pressure regulates the production of speech initiates voluntary movements
Answers
The medulla connects the spinal cord to the brain and is responsible for vital reflexes such as respiration, heart rate, and blood pressure. The medulla controls vital reflexes such as respiration, heart rate, and blood pressure. It also makes chemicals that are important in sleep and initiates voluntary movements. Additionally, it regulates the production of speech.
The medulla is the lowest section of the brainstem, located in the hindbrain, anterior to (in front of) the cerebellum. It connects the spinal cord to the brain and acts as a relay station between different areas of the brain and spinal cord. It is responsible for many vital reflexes such as respiration, heart rate, and blood pressure, as well as swallowing, coughing, and vomiting.
The medulla also produces neurotransmitters that are important in regulating sleep, such as serotonin and norepinephrine. It also contains nuclei that control other autonomic functions, such as salivation, sweating, and vomiting. Additionally, it plays a crucial role in initiating voluntary movements, particularly those that involve balance and coordination. Lastly, it is involved in regulating the production of speech by controlling the muscles that produce sound and shape the vocal tract.
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The medulla connects the spinal cord to the brain and makes chemicals important in sleep controls vital reflexes such as respiration, heart rate, and blood pressure. The correct option is option B. Regulation of breathing, heart rate, and blood pressure are some of the critical functions of the medulla.
The medulla oblongata is a long answer, roughly cylindrical part of the brainstem that connects the brain to the spinal cord. The medulla controls many vital functions of the body, such as heart rate, breathing, and blood pressure. It also relays sensory information from the spinal cord to other parts of the brain and vice versa.
The medulla is the site of the body's automatic nervous system. It is divided into a series of substructures that each has a different function and controls different parts of the body.
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Individual "A" produces 10 offspring, 8 of whom survive to adulthood. Individual "B" (a member of the same population) produces 15 offspring, 7 which survive to adulthood. Based on the concept of natural selection, individual "A" has the higher fitness.a) trueb) false
Answers
In natural selection when more offspring is survived is a sign of higher fitness of the particular population, hence given statement is true.
What is natural selection?Most qualities are inherited, there are more children generated than can survive, and offspring with more advantageous features will survive and have more offspring than those with less advantageous traits leading to the inevitable process of natural selection.
Since there are only so many resources available, more creatures are born than can live those who are better at obtaining food.
Mating or evading predators will have a higher chance of thriving, procreating, and passing on their DNA.
Therefore an individual in the population has offspring to survive more in number.
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The answer is D but why not B
Isn’t the role of mitosis is growth??
Answers
The plant cell is growing due to more cell elongation at Q than P, as Q is the lower layer, if it elongates by various factors or hormones, then it will grow more, as if mitosis helps, but it doesn't increase the plant length but increases the cell number, so option D is correct.
What is mitosis?Mitosis leads to cell division as the single cell is divided into two cells, and through this process, the cell increases in number but doesn't elongate, so for the elongation process, the plant needs some hormones, and as a result, the plant grows in size.
Hence, the plant cell is growing due to more cell elongation at Q than P, as Q is the lower layer, so option D is correct.
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Do you think that heat and light have mass? Do they occupies space?
Answers
Answer:
heat and light doesn't have mass and doesn't occupy space. they're forms of energy
Explanation:
Which two central nervous system neurotransmitters are imbalanced in parkinsonism?
Answers
Answer:
dopamine
Explanation:
Which statement best explains the trophic levels in the energy pyramid?
The trophic levels show how energy flows from level 4 to level 1.
The trophic levels show how energy flows from level 4 to level 1.
Only about 10% of the energy available at one trophic level is transferred to the next trophic level.
Only about 10% of the energy available at one trophic level is transferred to the next trophic level.
At each trophic level, the energy available is directly proportional to the size of the organisms in that trophic level.
At each trophic level, the energy available is directly proportional to the size of the organisms in that trophic level.
At each trophic level, 10% of the energy is converted into matter and 90% of the energy is transferred up to the next level.
At each trophic level, 10% of the energy is converted into matter and 90% of the energy is transferred up to the next level.
Answers
Only about 10% of the energy available at one trophic level is transferred to the next trophic level explains the trophic levels in the energy pyramid
What is trophic level in ecosystem?
A trophic level is a position in a food chain or food web of an ecosystem, where organisms obtain their energy and nutrients. In other words, it is a hierarchical level in an ecosystem that describes the organisms' feeding relationships and their position in the food chain. Each trophic level is connected to the other levels through the flow of energy and nutrients, with energy decreasing as it moves up the food chain. The trophic levels form an energy pyramid, with the producers at the bottom and the top carnivores at the top.
This statement best explains the trophic levels in the energy pyramid. The energy pyramid shows the flow of energy from lower to higher trophic levels in an ecosystem. As energy flows from one trophic level to the next, some of it is lost as heat, and only about 10% of the energy is transferred to the next trophic level. This is due to the second law of thermodynamics, which states that energy is lost as it is converted from one form to another. Therefore, the energy available to higher trophic levels is less than the energy available to lower trophic levels.
Therefore, Only about 10% of the energy available at one trophic level is transferred to the next trophic level is the answer.
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Can someone help me please
Answers
There are 4 daughter cells that form from the parent cells, all carrying half of the parent cells chromosomes.
Hope this helps
What does natural selection cause
Answers
Answer:
the mechanism that darwin proposed for evolution is natural selection . because resources are limited in natural organisms with heritable traits that favour survival and reproduction will tend to more offspring than their peers ,causing the traits to increase in frequency over generation .
Explanation:
hope it helps :)
9. Convection currents inside the Earth’s ______________ might drive plate motion.
Answers
Answer:
Convection currents in the earth's magma might drive plate motion .
Explanation:
Magma is the molten rock below the crust, in the mantle. Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the plates inside the planet ..
what are two use cases for executing anonymous apex code choose 2 answers
Answers
Executing anonymous apex code is a tool that allows users to interactively execute Apex code statements and queries. Given that, there are two use cases for executing anonymous apex code. They are: Use Case 1: Testing Snippets of Code and Use Case 2: Troubleshooting problems with a particular org.
What is anonymous apex code?
Anonymous Apex is a way to test code snippets, practice writing logic, and test governor limits quickly. Anonymous Apex is ideal for making immediate changes to the database for analysis purposes and automating one-time tasks. It is used to quickly test something that you are unsure of, to test a function or class that you've created, and also to verify the results of a particular query.
Use Case 1: Testing Snippets of CodeIt's a best practice to write test code to check that your app works properly, but it can be time-consuming to write test code to test a small part of it. Anonymous Apex is a great tool for quickly testing snippets of code. It's helpful for doing the following: Testing new functionality before incorporating it into a larger codebase. Testing code that was copied and pasted from an external source or developer forum. Testing whether certain code will work in the context of your Salesforce org.
Use Case 2: Troubleshooting problems with a particular org. There are instances when issues in a particular org will arise, and you will have to troubleshoot and find the cause of the problem. This is where anonymous Apex comes in. Because anonymous Apex runs within the context of an org, it can be used to test things like: Creating a record for a particular object Modifying a record for a particular object Deleting a record for a particular object Running a SOQL query Running a DML statement Running SOSL queries Running Apex Code
That's all about two use cases for executing anonymous apex code.
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There are seven types of proteins. Three of them are structural, mechanical, and nutrient. What are the other four
Answers
Proteins can be divided into seven different categories: storage, transport, contractile, hormonal, enzyme, and contractile proteins.
Cells use proteins for a variety of purposes. They function as enzymes that catalyse chemical events, offer structural support, control how substances move through the cell membrane, defend the body against disease, and organise cell signalling pathways. All proteins fall into one of seven different categories of proteins. These consist of proteins that are structural, storage, transport, contractile, hormonal, enzyme, and antibody.Organic molecules called proteins are found in all living things. They perform a wide range of tasks, such as transportation, organising, and defence. Proteins have up to four different layers of structure and are made up of chains of amino acids.
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______ include everything that is useful as a productive input in its natural state, such as land, forests, mineral and oil deposits, and water .
Answers
The term you are referring to is "natural resources." Natural resources encompass all the elements and materials present in the environment that are considered valuable and useful for human activities. They include everything that is available in its natural state and can be used as productive inputs for various purposes.
Natural resources can be classified into different categories based on their origin and characteristics. Here are some examples:
1. Land and Soil: Land provides a physical space for human activities and supports various ecosystems. It includes arable land for agriculture, forests, grasslands, and other terrestrial environments. Soil, a crucial component of land, is essential for plant growth and agriculture.
2. Water Resources: Water is a vital natural resource, necessary for drinking, irrigation, industrial processes, and the functioning of ecosystems. It includes freshwater sources such as rivers, lakes, and groundwater.
3. Mineral and Energy Resources: This category includes minerals, ores, fossil fuels, and other energy sources. Examples include coal, oil, natural gas, uranium, iron ore, copper, gold, and various other minerals that are extracted and used in industries.
4. Forests and Biodiversity: Forests are rich sources of timber, wood products, and non-timber forest products. They also provide habitat for numerous species and play a crucial role in carbon sequestration and climate regulation.
5. Air and Atmosphere: While not typically thought of as a resource, the atmosphere provides essential gases, such as oxygen and nitrogen, necessary for life. It is also affected by human activities and is a vital component in climate regulation.
Natural resources are essential for sustaining human life and supporting economic activities. However, their availability and distribution are not uniform globally, leading to challenges in resource management, conservation, and equitable access. Responsible and sustainable use of natural resources is crucial to ensure their long-term availability and to mitigate negative environmental impacts.
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What happens to the abundance of angiosperm and gymnosperm pollen fossils after the K-T boundary?
Answers
Answer:
The KT boundary mark a mass extinction event the KT boundary is the time between the Cretaceous and Tertiary period.And asteroid hit the Earth at the end of the cretaceous and that caused the end of the cretaceous period. Before the KT boundary, pollen from angiosperms and gymnosperms is high. After the meteor hits the earth a mass extinction occurs and the amount of pollen from gymnosperms and angiosperms decreases dramatically, while the amount of spores from ferns increases. During the Cretaceous period there where many species of gymnosperms and angiosperms but they disappeared at the KT boundary, when the asteroid hit the earth
6. Your myth: dogs and cats are related
o Fact: they are in the same domain, kingdom, phylum, class, order
o Evidence:
o 1. they are in a lot of the same things but they are not the same because they are not in the same species or family.
o 2.
i need one more eason why they arent related
Answers
Answer:
dogs and cats are in the same kingdom, phylum, class, family, and order but the are of different species
Explanation:
this is because dogs are Canis familiaris and cats Felis catus, therefore they cant produce viable offspring. Moreover, in the cat family cats are basically loners, they are independent creatures. While dogs are mostly found in pack.
hypoproteinemia is a condition of unusually low levels of plasma proteins. the problem is usually characterized by
Answers
Hypoproteinemia is a condition characterized by abnormally low levels of plasma proteins. It can lead to symptoms such as edema, ascites, weakened immune system, nutritional deficiencies, and impaired wound healing. Diagnosis and treatment involve identifying the underlying cause and addressing it appropriately.
Hypoproteinemia is a condition characterized by unusually low levels of plasma proteins. The problem is usually identified through various symptoms and diagnostic tests. Some of the common signs and symptoms associated with hypoproteinemia include:
1. Edema: This refers to the swelling of body tissues due to the accumulation of fluid. When there is a deficiency of plasma proteins, such as albumin, the osmotic pressure in the blood vessels decreases. As a result, fluid can leak into the surrounding tissues, leading to swelling and edema.
2. Ascites: This is the abnormal accumulation of fluid in the abdominal cavity. In hypoproteinemia, the low levels of proteins in the blood can cause fluid to accumulate in the peritoneal cavity, leading to the development of ascites.
3. Weakened immune system: Plasma proteins play a crucial role in maintaining the body's immune system. They help in transporting antibodies, fighting against infections, and regulating the immune response. In hypoproteinemia, the reduced levels of these proteins can weaken the immune system, making individuals more susceptible to infections.
4. Nutritional deficiencies: Hypoproteinemia can be caused by various factors, including inadequate protein intake or malabsorption. Insufficient protein in the diet can lead to nutritional deficiencies, affecting overall health and impairing the body's ability to function optimally.
5. Impaired wound healing: Proteins are essential for the repair and regeneration of tissues. When protein levels are low, the healing process of wounds can be delayed or impaired. This is because proteins are involved in various stages of wound healing, including inflammation, collagen synthesis, and tissue remodeling.
In conclusion, hypoproteinemia is a condition characterized by abnormally low levels of plasma proteins. It can lead to symptoms such as edema, ascites, weakened immune system, nutritional deficiencies, and impaired wound healing. Diagnosis and treatment involve identifying the underlying cause and addressing it appropriately.
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PLEASE HELP - Toads choose to live in hot, dry regions and bury themselves in the soil during the day. How might this be a behavior important for a survival ?
Answers
Which is a way that society controls science?
O A. The public's opinion decides which scientist is right.
O B. Scientific articles are peer-reviewed by the public.
O C. Scientists find new information that helps society.
D. Governments can make certain experiments illegal.
PLEASE HELP ME !!
Answers
I think the answer is D
Explanation:
looked it up
Science is the greatest collective endeavor. It contributes to ensuring a longer and healthier life, monitors our health, provides medicine to cure our diseases, alleviates aches and pains, helps us to provide water for our basic needs including our food, provides energy and makes life more fun, including sports, music, entertainment and the latest communication technology
D. Governments can make certain experiments illegal.
What is the role of science in society?In other words, science is one of the most important channels of knowledge. It has a specific role, as well as a variety of functions for the benefit of our society: creating new knowledge, improving education, and increasing the quality of our lives. Science must respond to societal needs and global challenges.
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Please help me I don’t want to go to summer school
Answers
What happens when a vacuole releases its store of water?
The plant grows larger
A puddle forms around the plant
The plant wilts
The tracheids take over
Answers
Answer:
The plant wilts
Explanation:
this happens because the plant is able to stand vertical thanks to the water in vacuoles. so when the water is released the plant wilts
What is the difference between a hypothesis and a theory? A hypothesis is a testable statement, and a theory is well-supported explanation. A hypothesis is a theory that has been proven. A hypothesis is a law of nature, and a theory is always true. A hypothesis is an observation that can turn into a theory.
Answers
Answer:
In scientific reasoning, a hypothesis is an assumption made before any research has been completed for the sake of testing. ... A theory on the other hand is a principle set to explain phenomena already supported by data.
Explanation:
The main difference between a hypothesis and a theory is that a hypothesis is a testable statement, and a theory is a well-supported explanation. Thus, the correct option is A.
What are Scientific theories?A Scientific theory may be characterized as a well-determined description of some significant features of the natural world, based on a body of certainty that has been repeatedly assured through observation and experiment.
The theories can transform themselves into laws when they gather sufficient evidence. While a hypothesis is a testable statement that needs sufficient evidence to be proved. A hypothesis is never turned into theories until they have some evidence to support the claim.
Therefore, the main difference between a hypothesis and a theory is that a hypothesis is a testable statement, and a theory is a well-supported explanation. Thus, the correct option is A.
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what allows for differences between individuals due to differences in inherited DNA?
a. genetic variation
b. meiosis
c. interphase
d. mitosis
Answers
Scientists are attempting to identify the specific type of leukemia a person has based on cell surface structures.
Answers
The statement 'Scientists are attempting to identify the specific type of leukemia a person has based on cell surface structures' is based on scanning electron microscope.
What is scanning electron microscope?The scanning electron microscope is an especial class of optical procedure to identify cellular structures by using an electron flow beam.
This technique is very useful for analyzing micronanoparticles images in different types of solid materials.
In conclusion, the statement 'Scientists are attempting to identify the specific type of leukemia a person has based on cell surface structures' is based on scanning electron microscope.
Complete question:
Choose the microscopy technique that's could best for the needs of each scenario.
Scientists are attempting to identify the specific type of leukemia a person has based on cell surface structures.
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Which action is associated with the relaxation of a circular muscle? The arm relaxes at the side The lips pucker for whistling The sphincter opening gets larger The leg bends at the knee
Answers
The action associated with the relaxation of a circular muscle is when the sphincter opening gets larger. The correct option is C.
Circular muscles, also known as sphincters, are found throughout the body and are responsible for controlling the opening and closing of various structures, such as blood vessels, digestive tract, and urinary system.
When a circular muscle relaxes, it allows for the widening or enlargement of the opening it surrounds.
For example, when the sphincter muscle in the digestive system relaxes, it opens up, allowing for the passage of food or waste material.
This relaxation and widening of the sphincter opening facilitate the movement of substances through the body. The correct option is C.
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What is DNA replication?
Answers
Answer:
the process by which the genome's DNA is copied in cells.
Explanation:
Answer:
DNA replication is the process by which DNA makes a copy of itself during cell division
Explanation:
Hope this helps UwU
During DNA replication, DNA polymerase III can only add nucleotides in:
A. the 5’ to 3’ direction
B. the 3’ to 5’ direction
C. the 3’ to 3’ direction
Answers
DNA is always synthesized in the 5' to 3' direction, meaning that nucleotides are added only to the 3' end of the growing strand.