What's cyclic structure and conformation of hexoses
Answers
Cyclic structure is a term used to describe the ring-shaped structure that hexoses, a type of carbohydrate with six carbon atoms, can form in solution.
When hexoses are dissolved in water, the molecule can undergo a chemical reaction called intramolecular hemiacetal formation, where a hydroxyl group (-OH) from the carbon-5 (C-5) atom reacts with the aldehyde group (-CHO) on the carbon-1 (C-1) atom, resulting in the formation of a cyclic hemiacetal structure known as a pyranose ring.
The conformation of hexoses refers to the three-dimensional arrangement of the atoms in the molecule. In cyclic hexoses, there are two predominant conformations known as chair and boat forms. In the chair conformation, the ring is in a chair-like shape, where the C-1, C-3, and C-5 atoms are in an axial position, while the C-2, C-4, and C-6 atoms are in an equatorial position. In the boat conformation, the ring is in a boat-like shape, where the C-2 and C-5 atoms are in an axial position, while the C-1, C-3, C-4, and C-6 atoms are in an equatorial position.
Overall, the cyclic structure and conformation of hexoses are important in understanding their biological functions, including their roles in energy storage and cell signaling pathways.
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Related Questions
influenza a: influenza viruses have a segmented genome. why is having a segmented genome an advantage for these viruses?c.hiv: hiv infects cells in the immune system. why is this a disadvantage for the infected person?d.ebola: what animal is associated with ebola virus outbreaks?e.tobacco mosaic virus (tmv): in addition to infecting plants, name 2 characteristics of tmv that none of the other viruses in the click
Answers
Segmented genome in influenza viruses helps in genetic recombination. HIV compromises the immune system. Ebola outbreaks are due to fruit bats. TMV can infect both plants and animals.
Influenza: Having a segmented genome is an advantage for influenza viruses because it allows for genetic recombination and adaptation when multiple strains of the virus infect the same host. This makes it more difficult for the host to develop immunity against the virus. HIV: HIV infects cells in the immune system, which compromises the body’s ability to fight off other infections, leaving the infected person vulnerable to other illnesses. Ebola: Ebola virus outbreaks are commonly associated with fruit bats. Tobacco Mosaic Virus (TMV): In addition to infecting plants, TMV is highly stable in the environment and can remain infectious for long periods of time. It is also capable of crossing species barriers, infecting both plants and animals.Learn more about Influenza: https://brainly.com/question/30973530
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Which came first?
1. organic compounds
2. liquid water
3. first cells
4. life on land
Answers
Answer:
2. liquid water
Explanation:
Answer:
In my opinion I think liquid water came first.
Hope it helps :)
What is meant by natural variation in living things? *
Different species have different attributes.
Different individuals within a species have variation because they may express
different alleles for the same traits.
All the possible trait variations of a single population.
The number of organisms a given area will support.
Answers
Answer:
Different individuals within a species have variation because they may express
different alleles for the same traits
3. Artana collects Information on 24 organisms and groups them based on the Linnaean system. Her friend argues that
she should not just put the common name of the organism but should also list the organisms' genus and species names.
Ariane argues that she did enough work and doesn't need to add more research. Which evidence could convince Arana
to add more information?
A. The common name does not sound scientific
3. The genus and species are Latin and easier to read.
C. The common name can change depending on region.
D. The genus and species are a broad level of classification
Answers
Answer: D. The genus and species are a broad level of classification Hope it helped =D
PLS HURRY
Which organization informs hospitals, clinics, and other health care settings
about new asepsis techniques?
A. World Health Organization
B. Centers for Disease Control and Prevention
C. U.S. Department of Health and Human Services
D. Occupational Safety and Health Administration
Answers
Answer: It's Centers for Disease Control and Prevention
Explanation:
During which process does one bacterium inject its DNA into another
bacterium through a thin tube called a pilus?
A. Transduction
B. Binary fission
C. Conjugation
D. Transformation
Answers
Explanation:
In conjugation, DNA is transferred from one bacterium to another. After the donor cell pulls itself close to the recipient using a structure called a pilus, DNA is transferred between cells.
Which of the following statements is NOT true about eukaryotic mRNA splicing? A. Splicing is accomplished by the transfer of bonds within the RNA molecule. B. Splicing is promoted by the assembly of spliceosomes on the primary transcript. C. Only sequences in the exons are relevant to the splicing process. D. Alternative splicing is a mechanism for regulating gene function.
Answers
The statement that is NOT true about eukaryotic mRNA splicing is option C: Only sequences in the exons are relevant to the splicing process.
This is because sequences in both exons and introns are important for splicing. Splicing involves the removal of introns and the joining of exons, which is accomplished by the assembly of spliceosomes on the primary transcript. Alternative splicing is a mechanism for regulating gene function, and it allows for the production of multiple protein isoforms from a single gene by including or excluding certain exons during splicing. Splicing is accomplished by the transfer of bonds within the RNA molecule.
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Can urchins survive in clear water?.
Answers
Because they are marine animals, sea urchins cannot survive in freshwater. They are widespread, from the sea's surface to its depths. The species that we'll probably work with in the lab are found in intertidal or shallow subtidal zones.
In public aquariums, sea urchins are utilized as indicator species to assess the system's health. Due to their high water sensitivity, this is. When the water is contaminated, sea urchins are one of the first to exhibit indications of stress, such as dropping & falling spines.
Additionally, they have been observed consuming carrion, sponges, sea stars, mussels, sea cucumbers, and polychaete worms. Using their mouths to grip and bite, sea urchins consume food.
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Which DNA fingerprinting technique examines the length variation of DNA repeat sequences in human DNA?
Answers
The DNA fingerprinting technique that examines the length variation of DNA repeat sequences in human DNA is called Variable Number Tandem Repeat (VNTR) analysis.
VNTRs are DNA regions that comprise short, repeating nucleotide sequences. Because the number of repeats at a specific VNTR locus can differ between people, it is a useful tool for DNA profiling.
VNTR research entails amplifying VNTR regions with PCR and then sorting the amplified fragments by size with gel electrophoresis.
Unique DNA profiles can be produced by comparing the size and number of amplified fragments between different people, which can then be used for identification and other purposes.
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What operation is used when simplifying fractions and conversion units?
Answers
Answer:
cancellation
Explanation:
A factor in the numerator is cancelled by dividing it by the same factor in the denominator. The quotient is 1, the multiplicative identity element.
╭☞ What operation is used when simplifying fractions and conversion units?
ANSWER:╭☞ Cancellation
Explanation: Because factor in the numerator is canceled by dividing it by the same factor in the denominator. The quienty is 1, the multiplicative element of the identity.For More Information:
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1- List the 3 functions of the Digestive System
2- list the 2 function of the exretory system
3- describe the path of food,beginning in the mouth
4- describe the path of urine formation begginning in the kidneys
5- how does the urinary system maintain homeostasis
Answers
Answer:
1. transportation, digestion, and absorption of food.
2. Remove and concentrate waste products from body fluids and return other substances to body fluids
3. Food starts to move through your GI tract when you eat. When you swallow, your tongue pushes the food into your throat.
4. Urine then flows through the nephrons, through a system of converging tubules called collecting ducts.
5. filtering out excess fluid and other substances from the bloodstream and secreting waste.
The DNA sequence shown below comes from part of the TP53 gene. It encodes the last amino acids of the p53 protein, which is normally 393 amino acids long. The underlined codon indicates the correct reading frame of this gene. The lower strand of the gene is used as the template during the transcription of mRNA from this gene....TTCAAGACAGAAGGGCCTGACTCAGACTGACATTCTCC-3'...AAGTTCTGTCTTCCCGGACTGAGTCTGACTGTAAGAGG-5'A mutation that changes the nucleotide at position 25 from G to C results in which of the following:
Answers
As per the given DNA sequence shown below comes from part of the TP53 gene, the nucleotide at position 25 from G to C mutation results in missense. Option B is correct .
A missense mutation is when a single nucleotide change in the DNA sequence results in a codon that codes for a different amino acid, potentially altering the protein function.
A missense mutation is a kind of point mutation that leads to the substitution of a different amino acid residue instead of the original amino acid residue in the resulting protein. It occurs when the DNA sequence of a gene is altered in such a manner that a nucleotide is changed, resulting in the production of a protein that has a different amino acid at a specific position. This mutation results in the production of an altered protein. Thus, a missense mutation is a type of point mutation that alters a single nucleotide within a DNA sequence, resulting in a change to a different amino acid in the protein sequence
Therefore, the given mutation that changes the nucleotide at position 25 from G to C results in missense mutation. In this case, the boxed nucleotide changes from C to A, resulting in a different codon that codes for a different amino acid. Therefore, the correct answer is B. Missense.
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The DNA sequence shown below comes from part of the TP53 gene. It encodes the last amino acids of the p53 protein, which is normally 393 amino acids long. The underlined codon indicates the correct reading frame of this gene. The lower strand of the gene is used as the template during the transcription of mRNA from this gene....TTCAAGACAGAAGGGCCTGACTCAGACTGACATTCTCC-3'...AAGTTCTGTCTTCCCGGACTGAGTCTGACTGTAAGAGG-5'A mutation that changes the nucleotide at position 25 from G to C results in which of the following: Consider a mutation that changes the boxed nucleotide from C to
A. What kind of mutation is this?
B. Missense AUEACAADS
C. Nonsense
D. Frameshift
E. Non-coding AUGT Met AG
For __________ the accompanying problems with rapid development in the United States such as overcrowded tenements and social disorganization could all be traced back to the rapid pace of social change.
Answers
For sociologists, the accompanying problems with rapid development in the United States such as overcrowded tenements and social disorganization could all be traced back to the rapid pace of social change.
This concept is known as social disorganization theory, which suggests that a community's inability to solve problems and maintain social control is due to the breakdown of traditional social institutions and values caused by rapid social change. The theory argues that when a community undergoes rapid economic and demographic changes, such as urbanization and immigration, it disrupts the community's social structure and norms, leading to an increase in crime and social disorganization.
Research has shown that neighborhoods experiencing high levels of social disorganization tend to have higher crime rates, poverty, and lower levels of social cohesion. However, it is important to note that social disorganization theory has been criticized for its focus on the shortcomings of individuals in a community rather than on systemic issues like racism and inequality that contribute to social problems.
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an animal that not only transports an infectious agent from one host to another but plays a role in the life cycle of the pathogen is a(n) vector.
Answers
An animal that not only transports an infectious agent from one host to another but plays a role in the life cycle of the pathogen is Mechanical vector.
Any organism or agent that can cause disease is considered a pathogen in biology in the broadest and most traditional meaning. An infectious agent or plain old germ can also be used to describe a pathogen. Pathogens include bacteria, fungi, viruses, and parasites that can infect the body and harm the immune system. Among many others, microorganisms that cause significant infections include anthrax, HIV, the Epstein-Barr virus, and the Zika virus. An microorganisms that causes disease is referred to as a pathogen. Pathogens include several kinds of organisms besides just bacteria and viruses. Every every living creature, including microorganisms, is susceptible to pathogen infection. Typically, the mouth, eyes, nose, or urogenital openings are where bacteria enter our systems to cause sickness.
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True/False. Genetic recombination makes it so your grandfather will always pass on more DNA to you than your grandmother
Answers
Answer: false
Explanation:
Axons of the corticobulbar tract synapse in the motor nuclei of cranial nerves. autonomic motor neurons in the spinal cord. somatic motor neurons in the spinal cord. nuclei in the thalamus.
Answers
The correct answer is the motor nuclei cranial nerves. Axons of the of the corticobulbar tract synapse in the motor nuclei of cranial nerves.
"What is the corticobulbar tract"? The corticobulbar tract refers to the group of nerve fibers that transmits signals from the Cerebral cortex to the brainstem. It mainly includes the corticobulbar fibers that connect the cerebral cortex to the nuclei of the cranial nerves in the brainstem. These fibers cross over in the medulla oblongata and innervate the cranial nerves that regulate the muscles in the head and face.
Corticobulbar tract synapse Axons of the corticobulbar tract synapse in the motor nuclei of cranial nerves. Therefore, the correct answer is the motor nuclei of cranial nerves.
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PLEASE IS DUE IN 5 minsss
Answers
Answer:
Distance and Direction
Explanation:
Displacement includes distance and direction of the stopping point from the starting point. Displacement measures the distance and direction between the starting and stopping points.
(hope this helps :P )
how you think your life would be different if you had been born a reptile or a bird?
Answers
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My life would be free but a little dangerous.
Explanation:
Because some reptiles and birds are a targets of a hunter because some of the birds, they will experiment it or eat it.
hope it helps
taxonomic rank human tiger kingdom animalia animalia phylum chordata chordata class mammalia mammalia order primates carnivora family homindae felidae genus homo panthera species sapiens tigris what is the most specific classification that humans and tigers have in common? responses
Answers
The most specific classification that humans and tigers have in common is that they belong to the same phylum, chordata. Other animals that belong to the chordata phylum include mammals, reptiles, birds, and amphibians.
Additionally, humans and tigers belong to the same class, mammalia, which is characterized by the presence of mammary glands and hair or fur. Mammals are a diverse group that includes a wide range of animals, from small rodents to large elephants.
Finally, humans and tigers belong to the same order, primates, which is characterized by a number of distinct characteristics, including forward-facing eyes, a large brain, and the ability to use tools. Primates are a diverse group that includes monkeys, apes, and humans.
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Correct Question:
Taxonomic rank human-tiger kingdom Animalia animalia phylum Chordata chordata class mammalia mammalia order primates carnivora family holiday Felidae genus homo Panthera species sapiens tigris what is the most specific classification that humans and tigers have in common?
If a couple has four daughters the % chance of their next child being a daughter is
Answers
Answer:
50% chance
Explanation:
Humans have two sex chromosomes, the X chromosome and the Y chromosome. Males inherit both X and a Y chromosome, while females inherit two X chromosomes. Thus, the sex of the child is determined by the sex chromosome carried by the male gamete (i.e., X or Y chromosome) which fuses with the egg cell (always containing an X chromosome). In consequence, the chance of having a sperm containing an X chromosome (i.e., the chance of having a girl) is an independent event of previous fertilization events (which led to the formation of 4 different female zygotes), thereby the probability will be 50%.
how do you count Karyotypes like how does one come up with 47 or 46?
Answers
Answer:
njjjbbjhhjbvvtuhhvcdfghbhffcvhggfghjhgg
What can be used to collect and record scientific data
Answers
Answer:
Case Studies, Checklists, Interviews, Observation sometimes, and Surveys or Questionnaires are all tools used to collect data. It is important to decide the tools for data collection because research is carried out in different ways and for different.
Explanation:
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In peas, axial flowers are dominant over terminal flowers. What phenotypic ratios would you expect in offspring from a cross between a known heterozygous axial-flowered plant and one whose flowers are terminal?
Answers
Answer:
Phenotype:
2/4 = 1/2 = 50% axial-flowered plant (Aa)2/4 = 1/2 = 50% terminal-flowered plant (aa)Phenotypic ratio 1:1
Half of the progeny will be axial-flowered plants (Aa) while the other half will be terminal-flowered plants (aa)
Explanation:
Due to technical problems, you will find the complete answer and explanation in the attached files
the vestibular system relies on hair cells that are similar in structure and function to those found in the auditory system.
Answers
Answer:
There are five vestibular receptor organs in the inner ear: the utricle, the saccule, and three semicircular canals.
Explanation:
You are recruiting 25 space-travelers to populate a new planet many light-years away. The travelers will need to be cryogenically frozen and to fit in the cryogenic pods they will need to be between 165cm and 198cm tall. (Show your work). Amongst the species to which you belong height can be approximated by a normal distribution with a mean of 180cm and a standard deviation of 10cm. What is the probability that a randomly selected potential traveler will fall within the permitted height range? What is the probability that a randomly selected group of 25 travelers will all be within the permitted height range? The maximum total weight of the 25 travelers must not exceed 2000kg meaning that their average weight should not be above 80kg. If individuals' weight is described by a normal distribution with a mean of 78kg and a standard deviation of 4kg what is the distribution of the mean weight of a sample of 25? What is the probability that a randomly chosen group of 25 travelers is underneath the weight limit? A colleague of yours suggests that to get the overall probability of a group of 25 travelers meeting both the height and weight constraints you should multiply the probability in (b) with the probability in (d). Do you agree? Why or why not?
Answers
The probability that a randomly selected potential traveler will fall within the permitted height range is approximately 0.8186. The probability that a randomly selected group of 25 travelers will all be within the permitted height range is approximately 0.1544. The probability that a randomly chosen group of 25 travelers is underneath the weight limit is approximately 0.0014.
To find the probability that a randomly selected potential traveler falls within the permitted height range, we can calculate the area under the normal distribution curve between the given height limits. Using the Z-score formula, we can standardize the height range and then use the standard normal distribution table or a calculator to find the corresponding probabilities. The result is approximately 0.8186.
To calculate the probability that a group of 25 travelers will all be within the permitted height range, we need to consider the probability of each individual being within the range and then multiply those probabilities together. Since the heights of individuals are independent, we can use the multiplication rule for independent events. The probability that an individual is within the range is approximately 0.8186, so the probability that all 25 individuals are within the range is (0.8186)^25, which is approximately 0.1544.
Step 3: To determine the distribution of the mean weight of a sample of 25 travelers, we need to consider the central limit theorem. According to the theorem, if the sample size is large enough (typically n ≥ 30), the distribution of sample means will be approximately normal, regardless of the shape of the population distribution. The mean weight of the sample will still have a mean of 78kg, but the standard deviation will be the population standard deviation divided by the square root of the sample size, which in this case is 4kg/sqrt(25) = 0.8kg. Therefore, the distribution of the mean weight will be a normal distribution with a mean of 78kg and a standard deviation of 0.8kg.
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carlos made a diagram to compare two kinds of fish. which label belongs in the area marked Z?
a. scales
b. no jaw
c. swim bladder
d. skeleton made of bones
PLEASE HELP
Answers
Answer:
B
Explanation:
i also do edge
A nurse is caring for four clients. which client is at greatest risk for high blood levels of lead?
Answers
Answer:
what are the problems with her clients for me to say which one has the greatest risk for high blood levels
All of the following are true about RNA except:
a. RNA can leave the nucleus
b. RNA contains uracil in place of thiamine
c. RNA is a single strand
d. RNA and DNA have the same 5-C sugar
Answers
Answer:
d.
Explanation:
RNA and DNA have the same 5-C sugar
RNA contains ribose sugar molecules while the sugar in DNA is deoxyribose :))
RNA is one of the nucleic acids that are present in some living organisms. RNA and DNA vary in some structures and have differences in carbon sugar. Thus, option d is correct.
What is RNA?RNA is the ribonucleic acid present in some living cells and has differences and similarities with the DNA. Unlike DNA, RNA is single-stranded and has almost the same backbone constituting the phosphate groups, sugar, and nitrogenous bases.
The sugar in RNA is ribose, and the base instead of thymine is uracil. The RNA can leave the nucleus and carries out various functions like the translation of genetic information and its regulation. They move out of the cell by carrying the information coded as proteins to the cytoplasm.
Therefore, the RNA does not have the same sugar as DNA.
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physiology is the study of
Answers
Answer:
Physiology is the science of life.
Explanation:
what are two main ways the sun's energy gets distributed across the earth?
a. ocean currents & volcanoes
b. ocean currents & wind
c. wind & volcanoes
d. volcanoes & earthquakes