what binds to this structure on the hemoglobin molecule? what binds to this structure on the hemoglobin molecule? globin heme carbon dioxide oxygen
Answers
Oxygen binds to the heme structure on the hemoglobin molecule. Option D is correct.
Hemoglobin is a protein found in red blood cells that is responsible for transporting oxygen throughout the body. Each hemoglobin molecule consists of four protein subunits called globin chains, which surround a central heme group. The heme group contains an iron ion (Fe2+) that can reversibly bind to oxygen.
When oxygen is inhaled into the lungs, it diffuses across the respiratory membrane into the red blood cells. Inside the red blood cells, oxygen molecules bind to the iron ions in the heme groups of hemoglobin, forming an oxygen-hemoglobin complex. This oxygenated hemoglobin then carries the oxygen through the bloodstream to the body tissues.
Hence, D. is the correct option.
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--The given question is incomplete, the complete question is
"What binds to this structure on the hemoglobin molecule? A) globin B) heme C) carbon dioxide D) oxygen."--
Related Questions
in order to test the effects of a new drug, you isolate the messenger rna molecules from both treated and untreated eukaryotic cells and separate them according to size, using gel electrophoresis. in each lane of the gel, the shorter rna molecules migrate more quickly through the gel and end up near the bottom of the gel, whereas the longer rnas migrate more slowly and remain near the top.
Answers
Because RNA molecules from untreated cells have different sizes, while RNA molecules from treated cells have the same size, the correct option is A. These results suggest that the drug affects RNA processing.
----------------------------------
Available data:
Lane 1: the primary RNA transcripts isolated from the nucleus of untreated cellsLane 2: the primary RNA transcripts isolated from the nucleus of cells treated with the drug being tested
Lane 3: RNA isolated from the cytosol of untreated cells
Lane 4: RNA isolated from the cytosol of cells treated with the drug being tested
Now, let us remember the maturation process of the RNA molecule.
⇒ preRNA molecules are the first RNA transcribed
⇒ This molecule possess long intermediate sequences called introns that do not codify proteins. They also have the encoding sequences are called exons.
⇒ Introns and exons alternate in the molecule, and the limit between them is called the splice site.
⇒ During the process of maduration, snRNA connects all the exons extremes of the preRNA, splicing out the introns. They remove the sequences that are not useful during the protein synthesis.
⇒ This removal occurs before the RNA leaves the nucleus. Once the introns are excised the exons join to form the unique mature mRNA.
⇒ This process is known as the splicing mechanism and turns preRNA into mRNA.
Finally, let us analyze the results.
In lanes 1 and 2, the molecules are placed in the same position. This result suggests that all primary RNA transcripts have the same size, so they migrated to the same spot in the gel. Lane 3 shows three different migration positions. This result expresses differential migration between RNA molecules, meaning they have different sizes. Lane 4 shows only one migration position, indicating that these molecules have the same size.Primary RNA migrating to the same gel position in the treated and untreated cells, suggests that these molecules were not affected by the drug.
RNA in the cytosol migrating differently in the treated and the untreated cells indicates that the drug is affecting these molecules.
Knowing that RNA molecules from the untreated cell have different sizes, and the molecules from the treated cell have the same size, we can assume that the drug interferes in the process of RNA maturation.
Options:
A. These results suggest that the drug affects RNA processing. CORRECT
B. These results suggest that the drug digests DNA. INCORRECT
C. These results suggest that the drug inhibits DNA replication. INCORRECT
D. These results suggest that the drug contains a protease that targets this gene product. INCORRECT
E. These results suggest that the drug inhibits post-translational processing of this gene. INCORRECT
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nucleus is present in the animal cell
Answers
Answer:
Yes.
Explanation:
The nucleus is present in both animal and plant cells.
How important is knowledge of advances in science and technology for people of different professions?
Answers
Answer:
science and technology has played in improving the life conditions across the globe.
Explanation:
science and technology helps to do reaserch of different species and elements. I don't know much
4. What is a large, swirling, low pressure system that forms over the
Atlantic Ocean?
Thunderstorm
Tornado
Hurricane
Twister
Answers
Answer:
Hurricane
Explanation:
A hurricane is a large, swirling, low pressure system that forms over the warm Atlantic Ocean. It is the most powerful storm.
What’s Wetland dominated by woody plants?
Answers
Answer:
Description of Swamps
A swamp is any wetland dominated by woody plants.
List the various forms of nitrogen present in the nitrogen cycle
Answers
In the atmosphere, nitrogen exists as a gas (N2), but in the soils it exists as nitrogen oxide, NO, and nitrogen dioxide, NO2, and when used as a fertilizer, can be found in other forms, such as ammonia, NH3, which can be processed even further into a different fertilizer, ammonium nitrate, or NH4NO3.
A skin cell should generate an exact copy of itself. Through which process would this occur?
O meiosis
telophase
fertilization
mitosis
Answers
Mitosis is the division in which two identical daughter cells are generated from a mother cell
Answer:
Mitosis
Explanation:
Definition:"a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth"
what is the role of gender in fibromyalgia? and how we can treat
it?
Answers
Gender does not have a direct role in fibromyalgia, but the condition is more commonly diagnosed in women.
Treatment for fibromyalgia typically involves a multidisciplinary approach that includes medications, lifestyle modifications, and therapies.
The role of gender in fibromyalgia is that the condition is more prevalent and commonly diagnosed in women. However, it is important to note that fibromyalgia can affect individuals of any gender.
Fibromyalgia is a chronic disorder characterized by widespread pain, fatigue, sleep disturbances, and other symptoms. The exact cause of fibromyalgia is unknown, but factors such as genetic predisposition, physical or emotional trauma, and certain infections or illnesses may contribute to its development.
The treatment of fibromyalgia typically involves a multidisciplinary approach. Medications such as pain relievers, antidepressants, and anticonvulsants may be prescribed to manage symptoms. Lifestyle modifications, including regular exercise, stress management techniques, and maintaining a healthy sleep schedule, can also be beneficial.
Additionally, therapies such as cognitive-behavioral therapy (CBT) and physical therapy may be recommended to help individuals cope with pain, improve function, and enhance overall well-being. Support groups and educational resources can provide emotional support and help individuals better understand and manage their condition.
It is important for individuals with fibromyalgia to work closely with healthcare professionals to develop an individualized treatment plan that addresses their specific symptoms and needs.
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what are the names of the tree domains
A.bacteria,archaea,eukaryotic
B.bacteria,archaea,animalia
C.archaea,plantista,animalia
D. Life,animals,plants
Answers
What is the process called when the earth surface is broken down into smaller pieces
Answers
Answer:
Weathering is the breaking down or dissolving of rocks and minerals on Earths surface. Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion
Explanation:
Is evolution a fact? What is evolution considered to be in the scientific community? (hint: starts with a "t")
Answers
What will be the economic and social consequences of this loss of biodiversity? Can anyone help please?
Answers
Answer:
economic consequences
Whilst human-made changes to ecosystems have often generated large economic gains, biodiversity loss damages the functioning of ecosystems and leads to a decline in essential services, which may have severe economic consequences, particularly in the longer term.
social consequences
Biodiversity loss can have significant direct human health impacts if ecosystem services are no longer adequate to meet social needs. Indirectly, changes in ecosystem services affect livelihoods, local migration and, on occasion, may even cause or exacerbate political conflict
Explanation:
I hope it helps you
A widespread population of the miniature burrowing pig (Microscrofus troglodytes) is thought to actually consist of smaller local breeding units either side of an ecotone. 120 individuals were sampled across this distribution and genotyped for the AbClocus. The results were as follows: Is this population in HWE? Test using the chi-square test. Show working. If not, how does it deviate from HW expectation? What is the result? Do the data support the original hypothesis? Can you think of any other explanation? How might you test your hypotheses further?
Answers
Answer:
Explanation:
To determine whether the population is in Hardy-Weinberg equilibrium (HWE) for the Ab locus, we need to compare the observed genotype frequencies with the expected frequencies under HWE assumptions. The expected genotype frequencies under HWE can be calculated using the allele frequencies observed in the population.
Let's assume that the Ab locus has two alleles, A and B. We'll denote the allele frequencies as p and q, respectively, and the expected genotype frequencies under HWE as p^2 (AA), 2pq (AB), and q^2 (BB).
Given the genotyping data, we can analyze the observed genotype frequencies and calculate the expected frequencies. Let's say we obtained the following counts:
AA: 45 individuals
AB: 60 individuals
BB: 15 individuals
To determine the allele frequencies, we can calculate the allele counts. Let's denote the frequency of allele A as p and allele B as q.
Count(A) = 2 * AA + AB = 2 * 45 + 60 = 150
Count(B) = 2 * BB + AB = 2 * 15 + 60 = 90
Total count = Count(A) + Count(B) = 150 + 90 = 240
p = Count(A) / Total count = 150 / 240 = 0.625
q = Count(B) / Total count = 90 / 240 = 0.375
Now, we can calculate the expected genotype frequencies under HWE:
p^2 = (0.625)^2 = 0.390625
2pq = 2 * 0.625 * 0.375 = 0.46875
q^2 = (0.375)^2 = 0.140625
To determine whether the population is in HWE, we can perform a chi-square test using the observed and expected genotype frequencies.
Observed:
AA: 45 individuals
AB: 60 individuals
BB: 15 individuals
Expected (calculated above):
AA: (0.390625) * 120 = 46.875
AB: (0.46875) * 120 = 56.25
BB: (0.140625) * 120 = 16.875
To conduct the chi-square test, we compare the observed and expected frequencies for each genotype and calculate the chi-square statistic:
Chi-square = Σ [(Observed - Expected)^2 / Expected]
Calculating for each genotype:
AA: [(45 - 46.875)^2 / 46.875] = 0.07602
AB: [(60 - 56.25)^2 / 56.25] = 0.26765
BB: [(15 - 16.875)^2 / 16.875] = 0.10741
Summing the values:
Chi-square = 0.07602 + 0.26765 + 0.10741 = 0.45108
Degrees of freedom (df) = Number of genotypes - 1 = 3 - 1 = 2
To determine whether the population is in HWE, we compare the chi-square statistic with the critical value from the chi-square distribution table for the given significance level and degrees of freedom. If the calculated chi-square value exceeds the critical value, we reject the null hypothesis of HWE.
Alternatively, we can use statistical software or an online chi-square calculator to obtain the p-value associated with the calculated chi-square value. If the p-value is below the chosen significance level (e.g., 0.05), we reject the null hypothesis.
Further analysis:
If the population is not in HWE, it suggests that there are deviations from the expected genotype frequencies. The deviations could indicate factors such as non-random mating, genetic drift, selection, mutation, or migration.
To explore the deviations further and understand the factors contributing to the population's deviation from HWE, additional investigations can be conducted. These might include:
1. Investigating mating patterns: Assessing whether individuals are preferentially mating with individuals of certain genotypes or from specific breeding units.
2. Genetic drift: Analyzing the population size and potential bottlenecks or founder effects that could contribute to deviations from HWE.
3. Selection: Examining whether natural selection is acting on the Ab locus, leading to deviations from expected genotype frequencies.
4. Mutation and migration: Assessing the potential impact of new mutations or migration from other populations on the observed genotype frequencies.
By conducting these additional investigations, we can gain a better understanding of the factors influencing the population's deviation from HWE and further test the original hypothesis.
Codon
Stop
Codon
Use the gray codon box to highlight additional codons, 3 bases at a time. You can click the blue
arrow buttons to move right and left, as needed. When you reach a stop codon (either UAA, UAG,
and UGA) you will need to use the pink stop codon box. As you form codons, record them in the
data table.
Answers
According to the question of codon box, record them in the data table are:
Codon Amino Acid
AUG Methionine
UUA Leucine
CAA Glutamine
GUU Valine
UGG Tryptophan
AGG Arginine
UGA Stop
What is codon box?A codon box is a tool used in molecular biology to identify the specific codons that make up the gene sequence of a particular organism. It is used to map out the genetic code of a given organism, which is important for determining the function of the gene and how it might affect the organism. The codon box consists of three columns, each representing one of the three codons that make up a gene. Each column is labeled with an appropriate letter, such as U (for uracil), A (for adenine), and G (for guanine), and contains information about the codon that is being used.
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Nervous Structures
1 Injuries, from broken bones to paper cuts, are common occurrences for
people of all ages. Fortunately, the body has an amazing capability to heal
itself-with one big exception. The nervous system is famously tricky to heal.
The structures of the nervous system are vital to how information is sent and
received throughout the body, and they are quite delicate. Unfortunately,
injuries to certain parts of the nervous system cannot heal at all. However,
other parts of the nervous system once believed unable to heal actually can.
In fact, research shows that scientists are getting closer to understanding
how to improve the nerve-healing process.
What is the text about?
It is about the parts of the nervous system and how they work together.
It is about how different genes affect recovery from nerve damage.
It is about how the peripheral nervous system heals from injury.
It is about common causes of damage to the central nervous system.
Answers
Answer:
it is about common causes of demage to the central nervous system
It discusses typical reasons why the central nervous system gets hurt.
What causes harm to the brain and spinal cord?A car accident, sports injury, fall, stroke, ruptured brain aneurysm, lack of oxygen, gunshot, or explosive blast are just a few of the potential causes. Traumatic brain injuries and traumatic spine injuries are common names for these wounds.
What causes nerve injury most frequently?Traumatic injuries, infections, metabolic issues, genetic reasons, and exposure to toxins are all potential causes of peripheral neuropathy. Diabetes is one of the most typical causes. Most often, those who suffer from peripheral neuropathy report their pain as stabbing, burning, or tingling.
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Know the difference between a molecular and structural formula
Answers
Answer:
With a molecular formula, it can specify the actual number of atoms of each element in a molecule. When writing the molecular formula, you have to write the symbols for all the elements that are contained within a molecule. A structural formula shows the structure of how atoms and molecules are built.
Can somebody help me?
Answers
Answer:
a
Explanation:
which genes would be the most likely expressed in an adult pancreatic beta cell? (hint: what is unique about pancreatic beta cells?)
Answers
The genes most likely expressed in an adult pancreatic beta cell are those responsible for insulin production and secretion.
This is because pancreatic beta cells are unique in their role of producing and secreting insulin, which regulates blood sugar levels. Pancreatic beta cells are specialized cells found in the islets of Langerhans in the pancreas. These cells are responsible for producing and secreting insulin, a hormone that helps regulate blood sugar levels by promoting the uptake and storage of glucose by cells throughout the body.
The genes responsible for insulin production and secretion are therefore the most likely to be expressed in pancreatic beta cells. These include genes such as insulin (INS), proinsulin (INS-IGF2), and glucose transporter 2 (GLUT2), among others. Additionally, beta cells also express genes involved in the maintenance of cellular homeostasis, such as those involved in energy metabolism and ion transport.
Overall, the unique role of pancreatic beta cells in insulin production and secretion means that the genes responsible for these functions are the most likely to be expressed in these cells.
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Which describes a group of organs that work together to perform a common function? tissue O organism O organ system O cell
Answers
help quick!
which choice and why?
Answers
Answer:
25 miles
Explanation:
Average velocity is displacement divided by time interval of the displacement.
so
Here average velocity
= 50 /2
= 25 miles
Hope it will help :)
14.Which of the following statements explains how hemoglobin in a human embryo has a higher affinity for oxygen than hemoglobin in the adult?
Throughout development, mutations accumulate during DNA replication altering the adult form.
Globin pseudogenes interfere with gene expression in adults.
Imprinting of globin genes changes the type of hemoglobin produced after birth.
Nonidentical genes produce different versions of globins at different stages of development.
Answers
Nonidentical genes produce different versions of globins at different stages of development explains how hemoglobin in a human embryo has a higher affinity for oxygen than hemoglobin in the adult.
Correct option is D.
Beginning in development, hemoglobin in a human embryo has a higher affinity for oxygen than hemoglobin in the adult, due to various genetic processes. As the embryo develops, mutations accumulate during DNA replication which alter the adult form of hemoglobin, increasing the affinity for oxygen.
Globin pseudogenes, which are inactive copy versions of certain globin genes, interfere with gene expression in adults, causing reduced oxygen affinity. Additionally, imprinting of globin genes occurs after birth, changing the types of hemoglobin produced.
Correct option is D.
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Which biomolecule group carrie’ and pae on the hereditary information of the organim
Answers
DNA is responsible for carrying the genetic information of living organisms. These nucleic acids come in the form of deoxyribonucleic acid (DNA) or ribonucleic acid (RNA).
Deoxyribonucleic acid is a molecule composed of two strands of polynucleotides twisted together to form a double helix and is the genetic component of the development, function, growth and reproduction of all known organisms and many viruses.
The function of DNA is to store all the genetic information that an organism needs to develop, function and reproduce.
All cells contain complete genes, but cells in different tissues and organs look and behave differently. This is because only a portion of each cell's DNA is used to make proteins.
The four roles played by DNA are replication, information encoding, mutation/recombination, and gene expression.
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Describe and distinguish between the sources of energy utilised by the brain and heart under well-fed and starvation conditions.
Answers
Answer:
Brain ----- glucose and amino acids.
Heart ------- fatty acids and triglycerides.
Explanation:
The sources of energy utilized by the brain is glucose under well-fed whereas the sources of energy utilized by the heart under well-fed condition is fatty acids. During starvation, the source of energy used by the brain is amino acids from skeletal proteins when glucose is not available while on the other hand, during starvation, the heart utilized triglycerides as a source of energy in the absence of fatty acids.
Pls help - will give brainliest
Answers
Answer:
Claim- A direct response that answers the question or problem
Evidence- The actual lab data or reliable source/text that supports the claim
Reasoning- Explains how and why the evidence supports the claim, providing a logical connection between the evidence and claim
Explanation:
The claim is the start of your essay that addresses the topic. The evidence should be factual and concise and the reasoning supports your evidence
which tissue type is likely to be found covering an outer body surface?
Answers
The tissue type that is likely to be found covering an outer body surface is epithelial tissue.
Epithelial tissue is composed of closely packed cells that form continuous sheets or layers and cover the surfaces of organs, body cavities, and the outer surface of the body. It serves as a protective barrier against physical injury, pathogens, and dehydration.
Epithelial tissue also has other functions such as absorption, secretion, and sensory reception, depending on its location and specialized characteristics. Examples of epithelial tissue include the skin epidermis, the lining of the respiratory tract, the lining of the digestive tract, and the lining of blood vessels.
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To become a virus, you only need 2 parts. One is Genetic Material or Genome (DNA or RNA) to
replicate it and the
or Protein Coat which protects the genome from digestive
enzymes. (Answer in lowercase) *
Answers
Answer: true
Explanation:
a woman is type a blood and she has a child with type o blood. what blood type(s) does the father have? draw as many punnett squares as necessary to answer this question
Answers
Answer:
c
Explanation:
Which items are sources of soil pollution or soil pollutants?
ozone
fertilizer
lumber industries
sewage
petroleum products
plastics
mining industries
PAN
waste chemicals dumped
fuel-burning power plants
carbon monoxide
smog
seafood contamination
Answers
Answer:plastics
please help me with this due today final grade and if you have any social platform like ig/discord or something let me know so that'd better way to content/dm for help!
Answers
Identify the type of chromosomal disorder described below.
Blank is known as trisomy 21 and impacts brain and body development.
Blank predominantly affects males and their fertility.
Blank predominantly affects females and can impact their growth.
Answers
Answer:
Down Syndrome
Klinefelter syndrome
Turner syndrome
Explanation: