Use this model of a eukaryotic transcript to answer the following question.
E = exon and I = intron
5'- UTR E₁I₁ E₂I₂ E₃I₃ E₄I₄ UTR - 3'
Which components of the previous molecule will also be found in mRNA in the cytosol? (A) 5' - UTR ₁I₂I₃ UTR-3' (B) 5' - E₁ E₂ E₃ E₄ (C) 5' -UTR E₁ E₂ E₃ E₄ UTR-3' (D) 5' E₁I₁ E₂I₂ E₃E₃ E₄ - 3'
Answers
The sequence of m-RNA present in the cytosol will be (C) 5' -UTR E₁ E₂ E₃ E₄ UTR-3'
m-RNA is the messenger RNA that carries the genetic information and expresses it in the form of protein formed by translation. The sequence of a fully processed m-RNA consists of UTRs and Exons. Introns are removed during the process of slicing.
UTRs are the Untranslated regions present at both the ends of m-RNA. The UTR at the 5' end is responsible for ribosome recruitment to the mRNA and start codon choice. Whereas the UTR at 3' end is responsible for post-transcriptional control as the targets of microRNAs (miRNAs) and RNA-binding proteins (RBPs).
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Related Questions
in every human, the right kidney is lower than the left one. why?
Answers
Answer:
The right kidney is 2-8 cm lower than the left Kidney, because of the large liver which sits superior to it.
Explanation:
Amino acid is a building block of (1 point)
O starch.
O carbohydrates.
O protein.
O glucose
Answers
Answer:
Protein
Explanation:
Carbohydrates building block = monosaccharide
lipids building block = glycerol/ fatty acids
glucose is a type of carb and a starch is a carb too
which statement about agroecosystems is true? agroecosystems have low species and habitat diversity. agriculture does not change the natural environment. agroecosystems are similar to natural ecosystems. monoculture decreases the use of chemicals.
Answers
The correct answer is option A .
The artificial ecosystem known as an agroecosystem is made up of agricultural land. It is different from natural ecosystem because agroecosystem could not sustain freely.
What is agroecosystem ?The ecosystems that support our farms' and gardens' food production systems are known as agroecosystems. The human activity of agriculture, as the name suggests, forms the basis of an agroecosystem.
Why we should build agroecosystem ?In the face of climate shocks and stressors, agroecology aids in the preservation, improvement, and protection of agriculture and food systems. Diverse, cohesive agroecological systems can boost carbon sequestration, improve livelihood resilience, and offer solutions for climate change adaptation and mitigation.
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a laceration is a pathologic change of the tissues due to disease or injury.T/F
Answers
False. A laceration is not a pathologic change of the tissues due to disease, but rather an injury caused by a tearing or splitting of the skin and/or underlying tissues.
A laceration is a type of injury that occurs when the skin and/or underlying tissues are torn or split.
It is commonly caused by sharp objects or trauma, such as cuts from a knife or broken glass, falls, or sports injuries.
Unlike a pathological change, which is a disease or abnormal condition that affects the body's tissues, a laceration is a physical injury that can affect any part of the body, from the skin to deeper tissues such as muscles, tendons, and organs.
Depending on the severity of the laceration, it may require medical treatment, such as stitches or surgery, to promote healing and prevent infection.
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what is the resulting amino acid change at position 557 of the taster allele?
Answers
The resulting amino acid change at position 557 of the taster allele is PAV. The AVV allele codes for the valine amino acid at position 262 and the alanine amino acid at positions 49 and 296.TAS2R38 AVI/AVI individuals are PTC non-tasters, PAV/PAV individuals are PTC super-tasters, and AVI/PAV individuals are PTC medium tasters.
The resulting amino acid change at position 557 of the taster allele is PAV (Proline-Alanine-Valine). Taster alleles control the sensitivity to the bitter taste of the compound phenylthiocarbamide (PTC) and other related substances such as 6-n-propylthiouracil (PROP).The difference in perception of these compounds is due to variations in the genes that encode taste receptors.
TAS2R38 gene is the principal gene that encodes PTC taster status. TAS2R38 gene has three common variants: AVI, PAV, and AVV. A change in the amino acid sequence of the protein that is encoded by the TAS2R38 gene is responsible for the variation in the receptor’s function.The AVI allele codes for the proline, alanine, and valine amino acids at positions 49, 262, and 296, respectively. The PAV allele codes for the amino acids alanine, valine, and isoleucine at these positions.
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the _____ hypothesis states that long term environmental unpredictability led to morphological and behavioral adaptations. group of answer choices a. savannah b. turnover c. pulse variability d. selection aridity
Answers
The hypothesis that states long-term environmental unpredictability led to hypothesis and behavioral adaptations is: Turnover
The hypothesis suggests that environmental changes due to climate or other factors cause species to respond to the change by undergoing evolutionary adaptations to become more adapted to the new conditions. This can result in increased diversity of species or increased survival rates in a given area.
The hypothesis is based on the idea that some species are better suited to survive certain changes than others, allowing them to survive and thrive in a given environment. The hypothesis is supported by evidence that shows species in more unpredictable environments tend to have higher diversity levels than those in more stable ones.
In summary, the Turnover Hypothesis suggests that long-term environmental unpredictability leads to evolutionary adaptations and selection aridity, which can result in increased species diversity and increased survival rates in a given area.
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Which of these processes does not require the cell to use energy?
A. Cell division
B. Protein synthesis
C. DNA replication
D. Diffusion across a membrane
Answers
Answer: Diffusion across a membrane!
Explanation:
Water can easily go through the semi-permeable membrane by osmosis!
Reducing the Visibility of the Vector/DNA Nanocomplexes to the Immune System by Elastin-Like Peptides
Answers
Elastin-like peptides (ELPs) have been investigated as a potential strategy to reduce the visibility of vector/DNA nanocomplexes to the immune system. ELPs are synthetic peptides that exhibit stimuli-responsive behavior, typically based on changes in temperature or pH.
When ELPs are incorporated into vector/DNA nanocomplexes, they can provide several advantages. One of the main advantages is their ability to undergo a phase transition in response to specific triggers. This phase transition can result in the formation of a dense, coacervate-like structure that encapsulates the nanocomplexes, effectively shielding them from detection by the immune system.
By using ELPs, the visibility of vector/DNA nanocomplexes to the immune system is reduced because the coacervate-like structure formed by the ELPs acts as a physical barrier, preventing direct interaction between the nanocomplexes and immune cells. This can help to minimize the immune response and potential immune-mediated clearance of the nanocomplexes, improving their stability and enhancing their delivery to target tissues.
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please help......................,
Answers
Answer:
Explanation:
in all the question we have to use same technique
in 1 question
weight/force exerted by dorje(F)=1500N
total surface area of sole(A)=0.5m²
we know that,
P=\(\frac{F}{A}\)
or, p=\(\frac{1500}{0.5}\)
∴ P=3000pa
in question 2nd
pressure(P)=40 pa
force exerted by block(F)=80N
we know,
pressure(P)=\(\frac{Force(F)}{Area(a)}\)
area=\(\frac{80}{40}\)
∴area =2m
ow you can do other by yourself
karen and her brother both have a straight hairline, but her parents and sister all have a widow’s peak. complete the punnett square that shows karen’s family
Answers
Answer:
(see explanation)
Explanation:
Let's say we have an H for "hairline." H is widow's peak, and h is straight hair
H h
H HH Hh
h Hh hh
There is a 25% chance that the offspring will have straight hair.
the parents both have Hh genes
Which body of water is often protected naturally from storms by barrier islands and contains salt and fresh water
Answers
Answer:
Estuary
Explanation:
An estuary is a body of water that is often protected naturally from storms by barrier islands and contains salt and freshwater.
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Which of the following fish would eat on the bottom of a lake or river?
A
B
C
None of the above
Answers
Answer:
It would be C because of the way his mouth is formed
Explanation:
How does biomagnification put a top predator at a disadvantage?*
Answers
Answer:
Food is much harder to find the farther up the food chain you go. Toxins and chemicals accumulate in the bodies of everything that was eaten by the food that you eat. Toxins and chemicals bind to the tissue of larger animals better than smaller ones.
Answer:
Explanation:
Toxins accumulate in the bodies of everything that was previously eaten.
Most species of bacteria cannot be eaten by humans becauseA. the bacteria contain toxic levels of proteins.B. the bacteria contain toxic levels of nucleotides.C. the bacteria contain toxic phospholipids in their membranes.D. the bacteria contain water levels that would stress the kidneys.
Answers
Most species of bacteria cannot be eaten by humans because option B: the bacteria contain toxic levels of nucleotides.
Bacterial toxins include enterotoxins, neurotoxins, cytotoxins, lysins (such as hemolysin), and toxins that cause gangrene. However, a single bacterium frequently makes many toxins. Although bacterial toxins are mostly detrimental, they are also utilised to treat cancer, destroy mosquito larvae, grasp fundamental scientific concepts like ADP-ribosylation, etc. They have toxic levels of nucleotides, hence are not advised for humans.
Bacteria are partially to blame for food deterioration. Additionally, they may result in minor allergies and ongoing inflammation. The bacteria are known as flesh-eating bacteria because they can sometimes spread to the host's flesh and tissues. They are to blame for a number of infectious ailments, including tooth decay, diphtheria, syphilis, tuberculosis, and pneumonia.
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Is the coding sequence does not have promoter before ot rna or protein
Answers
If a coding sequence does not have a promoter before it, it is unlikely that it will be transcribed into RNA or protein.
What is a promoter?A promoter is a sequence of DNA that regulates the expression of a gene, which is the coding sequence that encodes for either RNA or protein. The promoter provides the initiation site for transcription, the process by which RNA is synthesized from the DNA template.
If a coding sequence does not have a promoter before it, it is unlikely that it will be transcribed into RNA, and even if it is transcribed, it will not be translated into protein. This is because the promoter is responsible for regulating the expression of the gene, and without it, the gene will not be activated and its product will not be produced.
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in a certain plant, tall stems (T) is dominant over short stems (t). A farmer crosses two heterozygous long-stemmed flowers. What are the expected genotypic and phenotypic ratios
Answers
Answer:
Tt = 50%
tt = 50%
tall = 50%
short = 50%
I hope this helps you
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Glycolysis is the first step in cellular respiration. which option best summarizes the process?
Answers
Answer:
Anaerobic process that occurs in the cytoplasm. The process uses 2 ATP molecules. 6 carbon molecules are broken down into 3 pyruvate molecules during the process
Explanation:
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shortly after adding 14c -labeled glyceraldehyde-3-phosphate to a yeast extract, fructose-1,6-bisphosphate labeled at c -3 and c -4 can be isolated.
Answers
Shortly after adding 14C-labeled glyceraldehyde 3 phosphate to a yeast extract, fructose-1,6-bisphosphate labeled at C-3 and C-4 can be isolated.
Glyceraldehyde is a simple sugar and an important molecule in biochemistry. It is a three-carbon sugar with the chemical formula C3H6O3. Glyceraldehyde is a key intermediate in several metabolic pathways, including glycolysis and gluconeogenesis. It plays a critical role in energy metabolism, serving as a substrate for the production of ATP, the main energy currency of cells. Additionally, glyceraldehyde is a component of various carbohydrates and is involved in the synthesis of lipids and amino acids. Its versatility and involvement in metabolic processes make it significant for cellular function.
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The movement of molecules against a concentration gradient is called __.
Answers
Answer:
Active Transport
Explanation:
The movement of molecules across a membrane without energy input is known as passive transport. When energy (ATP) is needed, the movement is known as active transport. Active transport moves molecules against their concentration gradient, from an area of low concentration to an area of high concentration.
"Shortly after eating a candy bar, where would the increased concentration of glucose be first evident?
(a) the cytoplasm of the epithelial cells lining the lumen of the small intestine
(b) the blood flowing past the basal membrane of the epithelial cells of the lumen
(c) the lumen of the small intestine"
Answers
The increased concentration of glucose would first be evident in the blood flowing past the basal membrane of the epithelial cells of the lumen.
When we consume a candy bar or any food that contains glucose, it is broken down into its component molecules in the small intestine. The epithelial cells lining the lumen of the small intestine have transporters that move glucose from the lumen into the cytoplasm of the cells. From there, the glucose can either be used for energy or transported across the basal membrane into the bloodstream.
Therefore, it is the glucose molecules that are transported across the basal membrane of the epithelial cells into the bloodstream that would first show an increased concentration after consuming a candy bar. The concentration of glucose in the cytoplasm of the epithelial cells and the lumen of the small intestine would increase as more glucose molecules are absorbed, but these would not be as immediately evident as the increase in blood glucose levels. This rise in blood glucose triggers the release of insulin from the pancreas, which helps to regulate glucose levels in the blood and ensure that glucose is taken up by cells that need it for energy.
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Nectar is a sugar laden liquid that is very energetically expensive to produce. Why do plants allocate resources to produce it instead of just producing more flowers?A. Nectar is sticky and traps wind borne pollen.B. Nectar provides energy during pollen tube formation.C. Nectar serves as an enticement for insects.D. Nectar provides nutrition to the developing embryo.
Answers
Nectar is used by plants to attract insects that will provide the flower pollen or to help the flower to disperse its pollen.
C. Nectar serves as an enticement for insects.
Which kingdoms contain both autotrophs and heterotrophs?
Answers
Answer:
The kingdom Protista contain both autotrophs and heterotrophs.
what is the term for a medical condition, caused by statins, in which the muscle tissue becomes extremely inflamed, resulting in the breakdown of muscle?
Answers
Rhabdomyolysis is the term used for a medical condition, caused by statins, in which the muscle tissue becomes extremely inflamed, resulting in the breakdown of muscle.
A blood test that measures the enzyme creatinine kinase levels can be used to identify rhabdomyolysis or milder types of muscular inflammation brought on by statins. The terrible medical disorder known as rhabdomyolysis sometimes referred to as "rhabdo," can be deadly or leave a victim permanently disabled. Rhabdo is brought on by the release of proteins and electrolytes from injured muscle tissue into circulation.
These drugs can kill you or permanently disable you by harming the heart and kidneys. Due to direct or indirect muscular damage, rhabdomyolysis is a dangerous condition. It happens as a result of muscle fibers dying and releasing their contents into circulation. Serious side effects, including kidney failure, might result from this.
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Identify two other climate change mitigation strategies (not biofuels!) and explain how each strategy will slow or reduce climate change.
Answers
Retrofitting structures to increase their energy efficiency, utilizing renewable energy sources like solar, and wind, and assisting cities in developing more sustainable modes of transportation.
What are climate change mitigation strategies?Modes of transportation like bus rapid transit, electric vehicles, biofuels, and encouraging more sustainable land use are all examples of mitigation strategies.
Growing new trees and mending ecosystems, crop diversification will improve their ability to respond to climate change.
Therefore, investigating and creating novel ways to control and avert natural disasters, and retrofitting structures to increase their energy efficiency.
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1. _____________________ homologous chromosomes line up in the center of the cell 2. _____________________ the sister chromatids separate into individual chromosomes and move apart 3. _____________________ 4 (N) haploid daughter cells form 4. _____________________ the haploid number of chromosomes line up in the center of the cell 5. _____________________ cells undergo DNA replication 6. _____________________ nuclear membrane forms around 4 haploid nuclei 7. _____________________ 2 (N) haploid daughter cells form 8. _____________________ the nuclear membrane breaks down 9. _____________________ the nuclear membrane reforms creating two cells each with 2 nuclei 10. _____________________ crossing over (if any) occurs 11. _____________________nuclear membrane forms around pairs of sister chromatids 12. _____________________ spindle fibers pull homologous pairs to opposite ends of the cell
Answers
Answer:
This Is hard For you and me but I have Studied this and the answer are thus this
Explanation:
Metaphase I match with statement 01.
Anaphase II matches with statement 02.
Telophase II matches with statement 03.
Metaphase II matches with statement 04.
S phase matches with statement 05.
Telophase II matches with statement 06.
Prophase II matches with statement 07.
Prophase matches with statement 08.
Telophase II matches with statement 09.
Prophase I match with statement 10.
Telophase I match with statement 11.
Anaphase I match with statement 12.
Un paciente que tiene la temperatura corporal en 38,6 c°, ¿qué necesidad alterada tiene? Oxigenación. Homotermia. Circulación. Eliminación.
Answers
Answer:
Homotermia
Explanation:
La homotermia es la capacidad de un ser vivo para regular y mantener constante su temperatura. En humanos, la temperatura corporal normal es de alrededor de 37°C. Por lo tanto, si el paciente tiene una temperatura corporal superior (38,6°C), tiene alterada la homotermia.
An _____ mutation occurs when a segment of DNA has been moved from end to end.
A. inversion
B. deletion
C. insertion
Answers
Answer:
A. inversion
Explanation:
An inversion mutation occurs when a segment of DNA has been moved from end to end.
Which of the following are factors that can affect the composition of the microbiota? (select all that apply)
1. Aging
2. Genetics
3. Use of probiotics
4. The microbiota you acquired when you were young
Answers
All of the options listed (1, 2, 3, and 4) can affect the composition of the microbiota. Aging, Genetics ,Use of probiotics , microbiota you acquired when you were young
1. Aging: Aging can affect the composition of the microbiota. As individuals age, there are changes in the diversity and abundance of microbial species in the gut. This can be attributed to various factors such as changes in diet, lifestyle, and immune system function.
2. Genetics: Genetics plays a role in determining the composition of the microbiota. Certain genetic variations can influence the types and proportions of microbial species that inhabit an individual's gut. These genetic differences can affect the interactions between the host and the microbiota, influencing overall microbial diversity and composition.
3. Use of probiotics: Probiotics are live microorganisms that, when consumed in adequate amounts, confer health benefits. The use of probiotics can introduce specific strains of beneficial bacteria into the gut, thereby altering the composition of the microbiota. Probiotics can temporarily modify the microbial balance, but their long-term effects on the composition and stability of the microbiota are still under investigation.
4. The microbiota you acquired when you were young: The early-life microbiota plays a crucial role in shaping the composition of the adult microbiota. During infancy and early childhood, the gut microbiota undergoes significant development and establishes a stable community. Factors such as birth mode (vaginal delivery or cesarean section), breastfeeding, and exposure to environmental microbes can influence the initial colonization and diversity of the microbiota, which can have long-term effects on the adult microbiota composition.
Therefore, all of the options listed (1, 2, 3, and 4) can affect the composition of the microbiota.
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Timelines usually consist of major or important events that occurred during a specific period of time. Here are some guidelines for your timeline: 1. This is about the 20th century, but it is okay to use the period of time compressed between late 19th century and present day. You have a little bit of wiggle room. 2. Pick 10 important events in science that have occurred in this period of time. Your timeline should have a theme. Ex: 10 advances in medicine, 10 women-generated events, 10 advances by African American scientists, etc... 3. For each of the events give: • date • event • short description • names (if appropriate) photo that represents the event. Your assignment should include the following: 1. Title ex: Major Advances in Chemistry in the 20th Century 2. Your Name 3. Timeline with o 10 Dates of events in chronological order • A brief description of each event • A picture of each event 4. As short project summary (1 paragraph) that describes the timeline and answers these questions: 1. Why did you pick these events? 2. What is the correlation between the events? le, explain your theme. 3. How did these events affect the development and progress of science?
Answers
The Timeline of the major Advances in Medicine in the 20th Century are:
1895: Discovery of X-Rays1928: Discovery of Penicillin1953: Structure of DNA Determined1967: First Successful Human Heart Transplant1971: Development of MRI1978: Birth of the First IVF Baby1983: Discovery of the Human Immunodeficiency Virus (HIV)1986: First Gene Therapy Trial1990: Human Genome Project Initiated2003: Completion of the Human Genome ProjectWhat are the important events in science?The unearthing of X-rays, which revolutionized the field of medicine and opened up vast possibilities for scientific inquiry. While conducting experiments with cathode rays, Wilhelm Conrad Roentgen stumbled upon the discovery of X-rays. This pioneering breakthrough transforms the field of medical imaging by enabling the observation of internal structures.
The occurrence of the Penicillin discovery. Alexander Fleming's discovery of the antibiotic properties of Penicillium mold paved the way for the creation of penicillin. The field of medicine has been transformed by the first widely-used antibiotic, marking a major advancement.
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for which movement of earth materials is gravity not the main force
Answers
Answer:
moisture evaporating from an ocean
Explanation: