while there are several mutations that give rise to cystic fibrosis, a common one results in a missing amino acid at position 508 of the c f t r protein. this is the result of .
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Answer:
Cystic Fibrosis is a genetic disorder which is caused by mutations in the Cystic Fibrosis Transmembrane Conductance Regulator (CFTR) gene. This mutation results in either no production of CFTR protein or production of a malfunctioned CFTR
Explanation:
Hope this helps! =D
Related Questions
Will the cell membrane swell or shrivel in a isotonic solution, Explain.
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which organism is the most common cause of pulmonary infection characterized by granuloma in the lungs
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The most common organism that causes pulmonary infections characterized by granulomas in the lungs is Mycobacterium tuberculosis.
Tuberculosis (TB) is a bacterial infection caused by this specific bacterium. It primarily affects the lungs but can also spread to other parts of the body. The formation of granulomas, which are compact masses of immune cells, is a characteristic feature of tuberculosis infection.
These granulomas serve as a defense mechanism by containing the bacteria and preventing their spread. However, they can also contribute to lung tissue damage.
TB is a significant global health concern, and it is spread through the air when an infected individual coughs or sneezes, making it highly contagious.
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A shorthand representation of this process is: ATP - ADP + Phosphoric Acid + E.
What does the E mean in the equation above represent?
Answers
Answer:
it is energy
Explanation:
it means energy
Directions: Identify the kind of relationship shown in the following
Learning Task No.1DO YOU KNOW ME? help pls
Answers
Answer:
Food chains?
Explanation:
Predator and preys
Answer:
1. Predation 2. Parasitic 3. Competition 4. Symbiosis 5. Mutualism
Explanation:
Predation- Predator hunting prey Ex: lions hunting gazelle
Parasitic- One organism benefits while the other is harmed Ex: Lice eating Hair
Competition- Organisms fighting over reasources Ex: Hippos fighting for space
Symbiosis- Two unalike organisms form a bond where they both benefit Ex: Birds eating ticks off buffalo.
Mutualism- Two organisms benefit from each other Ex: whale shark getting cleaned by remora fish which get a meal.
How does a non-specific immune response react to diabetes?
Please help this is due today and I really need help.
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Observations, evidence and data that people gather and test support and evaluate scientific explanations is called _____ *
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Answer:
the answer is theory
Explanation:
hope you have what you are looking for! Thx!
Mitosis can make skin cells from hair cells
*
True
False
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A solution contains DNA polymerase and Mg2+ salt of dATP, dGTP, dCTP, and dTTP. The following DNA molecules are added to the aliquots of this solution. Which of them would lead to a DNA synthesis. (explain your reasoning)
A. Single stranded closed circled DNA of 1000 nucleotide units
B. A double stranded closed circled DNA of 1000 nucleotide units
C A single stranded closed circle DNA of 1000 nucleotide units base-paired to a linear strand of 500 nucleotides with a free 3’ terminus.
D. A double stranded linear DNA molecule of 1000 nucleotides with a free 3’ OH group at each end.
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A solution contains DNA polymerase and Mg2+ salt of dATP, dGTP, dCTP, and dTTP. A single stranded closed circle DNA of 1000 nucleotide units base-paired to a linear strand of 500 nucleotides with a free 3’ terminus are added to the aliquots of this solution. The answer is C.
DNA polymerase requires a template strand to synthesize a new complementary strand. So, we need a molecule with a single-stranded region. DNA polymerase also requires a primer with a free 3' OH group to initiate synthesis.
Option A is a single-stranded closed circle DNA of 1000 nucleotide units. This molecule does not have a free 3' OH group, so DNA polymerase cannot initiate synthesis.
Option B is a double-stranded closed circle DNA of 1000 nucleotide units. This molecule does not have a single-stranded region, so DNA polymerase cannot synthesize a new complementary strand.
Option C is a single stranded closed circle DNA of 1000 nucleotide units base-paired to a linear strand of 500 nucleotides with a free 3’ terminus. This molecule has both a single-stranded region and a free 3' OH group, so DNA polymerase can initiate synthesis.
Option D is a double stranded linear DNA molecule of 1000 nucleotides with a free 3’ OH group at each end. This molecule does not have a single-stranded region, so DNA polymerase cannot synthesize a new complementary strand.
Therefore, the only molecule that would lead to DNA synthesis is option C.
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A cell can survive without its membrane intact.
A. True
B. False
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Answer:
false, a cell CANNOt survive
How can we determine the velocity of a star moving toward or away from Earth? a. By looking at the color of the star. b. By the shift of its spectral lines. c. By the brightness of the star. d. By its change in apparent size.
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Answer:
Hello!
Your answer should be B. By the shift of its spectral lines.
Explanation:
It is known that when studying space, to tell if a star is moving TOWARDS EARTH its measurements will move towards the RED side of the Spectrum...
MOVING AWAY will mean its measurements will move towards the BLUE end!
HOPE THIS HELPS!
itsMATT04
{i did a bit of research from revision guides so there may be some similar phrases! :)}
The graph shows the relationship of photosynthesis with temperature.
At what temperature is the rate of photosynthesis the highest?
1- 10°C
2- 15°C
3- 25°C
4- 35°C
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This is the answer because this is the highest point of the parabola
Pleaseeeee helpppp meeeeeee!!!!!!!!
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Answer:
answer is very easy and simple
A body part that is further away from the midline of the body is said to be _____.a. deepb. centralc. mediald. lateral.
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A body part that is further away from the midline of the body is said to be **d. lateral**.
In anatomical terms, "lateral" refers to the direction away from the midline of the body. It indicates a position or structure that is located farther out or to the side, away from the center or midline of the body. For example, if you consider the arms, the thumb is on the lateral side of the hand, while the little finger is on the medial side. Conversely, the term "medial" (option c) refers to a body part that is closer to the midline of the body. "Deep" (option a) is used to describe a structure that is located farther beneath the surface or inside the body, while "central" (option b) typically refers to a position or structure that is situated at or near the center of an organ or body part.
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I = P x A x T model can be used to calculate which of the following?a) level of urbanization b) people overpopulation c) rate of industrialization
Answers
The IPAT model, sometimes referred to as the I = P x A x T model, is used to estimate the environmental impact of the interaction of three variables: population (P), wealth (A), and technology (T) is used to calculate. Therefore, the correct option is C.
It is a conceptual framework that helps to understand the relationship between human actions and their effects on the environment. The I = P x A x T model is an alternative that can be used to calculate the rate of industrialization (c).
According to the concept, the number of people, their degree of wealth (which is often related to industrial activity), and the technology used in industrial operations have an impact on the environment. Model may shed light on environmental impacts associated with population growth, economic prosperity and technology.
Therefore, the correct option is C.
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Label the 3 layers of the sun
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Answer:
middle layer is core, second layer is radiative, and the outer layer is convection
Explanation:
How is a star created?
just make the answer short and easy
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Answer:
A star is born when atoms of light elements are squeezed under enough pressure for their nuclei to undergo fusion. All stars are the result of a balance of forces: the force of gravity compresses atoms in interstellar gas until the fusion reactions begin.
Brainliest plzzzzzzzzzzzzz
How do the nervous system and endocrine system work together?
O A. Glands are found in the nucleus of a nerve,
O B. Nerves connect glands to hormones.
O C. Nerves instruct glands to send out hormones.
O D. Hormones bind to nerves to stop them from activating.
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Answer:
The answer is option C.
Nerves instruct glands to send out hormones.
Hope this helps.
Answer:
Nerves instruct glands to send out hormones
What makes up the sides of the backbone of DNA?
and
What makes up the inside or the steps of a DNA molecule?
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Answer:
The sides of the backbone of DNA are made up of alternating sugar (deoxyribose) and phosphate groups. The inside of the DNA molecule, or the "steps" as you put it, consists of the bases: adenine, guanine, cytosine, and thymine. These bases pair up with each other in specific ways: adenine always pairs with thymine, and guanine always pairs with cytosine. This is what gives DNA its unique double-helical structure and allows it to store genetic information.
Answer:
The backbone of a DNA molecule consists of the phosphate groups and the deoxyribose sugars, whereas the base of the DNA molecule consists of nitrogenous bases, therefore, the backbone of DNA is made up of phosphate groups and pentose sugars. Adenine is a part of the base of the molecule.
Changes in the direction of Earth’s axis and changes in the angle at which it tilts
affect the severity of
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Answer:
Ice Ages
Explanation:
Feelings of being lightheaded or dizzy are signs of low sugar in your blood, officially called _____________
Answers
Answer: hypoglycaemia
Explanation:
Answer:
pressure low disease which make people unconscious
what is the primary method of energy acquisition for phytoplankton? group of answer choices oxygen metabolism chemosynthesis respiration photosynthesis methane metabolism
Answers
Photosynthesis is the primary method of energy acquisition for phytoplankton.
What is phytoplankton?
The autotrophic (self-feeding) members of the plankton community and a crucial component of freshwater and ocean ecosystems are phytoplankton.
Photosynthesis is how land plants like trees and phytoplankton get their energy. As a result, phytoplankton lives on the well-lit surface layers (euphotic zone) of seas and lakes because they need sunlight to survive. Phytoplankton are dispersed over a larger surface area than terrestrial plants, are subject to less seasonal change, and have noticeably higher turnover rates than trees (days versus decades). As a result, phytoplankton reacts to changes in the climate quickly on a global scale.
Hence the correct answer is photosynthesis
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Someone plz help me :(
Answers
Answer:
Definitely A, most likely D as well since B and C dont make too much since in terms of sexual vs. asexual!
Answer:
d.
Explanation:
i’m learning this in my biology class (we’re week 12 i already learned this)
Select the correct answer. mathew claims that people should invest in alternative sources of energy rather than burning fossil fuels. he has put together two graphs as evidence. the first compares how human use of fossil fuels affects atmospheric carbon dioxide levels, and the second shows how land-ocean temperatures on earth have changed over time. which statement correctly supports his claim based on evidence from the graphs? a graph showing the increasing trend of carbon emissions from 1800 to 2004, a graph showing the increasing trend of annual mean temperature from 1880 to 2015 a. more carbon in the atmosphere likely absorbs more heat energy, thus increasing the temperature. b. petroleum should replace natural gas, since it releases less carbon dioxide. c. burning coal does not contribute to a rise in carbon dioxide or temperature. d. carbon dioxide emissions from burning fossil fuels has decreased over time. e. the graphs show no possible correlation between burning fossil fuels and increasing temperatures.
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The evidence from the graphs is that more carbon in the atmosphere is likely to absorb more heat energy, thus raising the temperature.
Why does carbon raise the temperature?The feature is important because the effect of sunlight on the Earth's surface, including the oceans, is reflected in the form of infrared rays. By absorbing this radiation, the gases heat up the entire atmosphere as if they were a blanket that keeps the planet warm.
Whit this information, we can conclude that the evidence from the graphs is that more carbon in the atmosphere is likely to absorb more heat energy, thus raising the temperature.
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Answer:
See below !! :)
Explanation:
During gas exchange, the cell membrane of a single-celled organism has the same function as which organ system in humans?
1)nervous
2)reproductive
3)digestive
4)respiratory
Answers
Answer:
4) respiration
Explanation:
bc it allows energy to come in & waste out of the organism
hope dis helps
Electrons move in the direction from the ____________ terminal to ____________ terminal of the battery.
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negative to positive :)
3 points
The MMR vaccine contains weakened versions of live measles, mumps,
and rubella viruses. The MMR vaccine is usually given to babies before
their first birthday. What will most likely happen when an individual
receives a vaccination? *
The ability to fight disease will increase due to antibodies received from the virus.
The ability to fight disease caused by the virus will increase due to antibody
production
The ability to produce antibodies will decrease after the vaccination.
The ability to resist most types of diseases will increase.
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Explanation: CDC recommends that people get MMR vaccine to protect against measles, mumps, and rubella. Children should get two doses of MMR vaccine, starting with the first dose at 12 to 15 months of age, and the second dose at 4 through 6 years of age. Teens and adults should also be up to date on their MMR vaccination. Children may also get MMRV vaccine, which protects against measles, mumps, rubella, and varicella (chickenpox). This vaccine is only licensed for use in children who are 12 months through 12 years of age.
What societal change would likely cause a decrease in the birth rate?
A. Reducing the availability of family planning programs and contraception
B. Increasing the education and employment opportunities for women
C. Encouraging women to marry at a young age
D. Providing tax breaks to families for each child they have
Answers
Answer:
The societal change that would likely cause a decrease in birth rate is;
B. Increasing the education and employment opportunities for women
Explanation:
Changing the nature and proportion of participation of women in education and occupation by increasing the education and employment opportunities for women such that the way women participate in the labor force changes with more women obtaining a higher education by spending more time in schools and at their places of employment will lead to the following demographics
1) A higher number of university educated women
2) Increased urbanization, as more women gain employment in urban areas
3) Reduced fertility, as more time is spent by women in school and employment thereby reducing the available period for child bearing and birth rate
The person above is correct because the more education women has, the lesser chance at them having a baby(babies) out of the blue. They have more focus on education and this also risks marriage at a young age. Therefore the answer is indeed B.
In the Ascaris lumbricoides life cycle, after eggs are ingested, the next stage in the life cycle that must occur before a mature adult can live in the host's intestine is called the:
Answers
Answer:
Liver-lung migration
Explanation:
Ascaris lumbricoides is also known as round worm and humans get transmitted through contaminated food and water.
When they are ingested, the hatched larvae then penetrate into the intestinal mucosa and are carried to the liver through the portal venules and are then moved to the lungs . When they are in the lungs they rupture which results in them being coughed up and swallowed. After which they mature, mate and deposit eggs which are excreted and the cycle goes on when humans ingest food contaminated with the eggs.
They cause abdominal pain, nausea and anemia and are treated through drugs such as mebendazole.
Fill in each blank with the best word or phrase selected from the list below. Not all words or phrases will be used; each word or phrase can be used only once. charged pause site lytic mismatch promoter RBS clear origin - strand tRNA phosphorylation + strand lysogenic ppGpp uncharged sigma factor Rho factor methylation pause site cloudy Before transcription can begin, RNA polymerase must find the location and direction of a gene on the chromosome based on its sequence. RNA polymerase ends transcription at a located at the end of a gene. It is common for amino acid biosynthetic genes to be transcriptionally activated in the presence of tRNAs as a result of the Stringent response, which requires to bind RNA polymerase. An sRNA can inhibit mRNA translation by the ribosome through complementary base-pairing to the sequence in its target mRNA. During DNA replication, the sequence of the daughter strand being synthesized is determined by complementary base-pairing with the parent template strand, however DNA polymerase can incorporate a base-pair that can result in a point mutation if it is not repaired. a Bacteria can repair these mistakes and distinguish the original parent strand of DNA from the new daughter strand of DNA through of certain nucleotides. In order to replicate their genomes, all SSRNA viruses must package an RNA-dependent RNA polymerase within their capsid.
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The answer to the fill-in-the-blanks with words each word or phrase can be used only once. charged, pause, site, lytic mismatch, promoter RBS, clear origin - strand tRNA phosphorylation, + strand lysogenic, ppGpp uncharged, sigma factor. Rho factor, methylation, pause site, cloudy, is:
Before transcription can begin, RNA polymerase must find the location and direction of a gene on the chromosome based on its sequence. RNA polymerase ends transcription at a clear origin located at the end of a gene. It is common for amino acid biosynthetic genes to be transcriptionally activated in the presence of tRNAs as a result of the Stringent response, which requires charged sigma factor to bind RNA polymerase. An sRNA can inhibit mRNA translation by the ribosome through complementary base-pairing to the sequence in its target mRNA. During DNA replication, the sequence of the daughter strand being synthesized is determined by complementary base-pairing with the parent template strand, however, DNA polymerase can incorporate a base-pair that can result in a point mutation if it is not repaired. A bacteria can repair these mistakes and distinguish the original parent strand of DNA from the new daughter strand of DNA through methylation of certain nucleotides. In order to replicate their genomes, all SSRNA viruses must package an RNA-dependent RNA polymerase within their capsid.
RNA (Ribonucleic acid) is a single-stranded nucleic acid consisting of nucleotide monomers that performs essential roles in coding, decoding, regulation, and expression of genes.
DNA (Deoxyribonucleic acid) is a double-stranded nucleic acid consisting of nucleotide monomers that encodes the genetic instructions used in the development and function of all known living organisms.
Bacteria are prokaryotic microorganisms that consist of a single cell without a nucleus.
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who hypothesized that vibrio cholera was a waterborne pathogen and not an airborne pathogen?
Answers
Dr. John Snow, an English physician, hypothesized that Vibrio cholerae, the bacterium causing cholera, was a waterborne pathogen rather than an airborne pathogen.
In 1854, during a severe cholera outbreak in London, Snow conducted meticulous investigations to identify the source of the disease transmission. Through careful analysis of cases and mapping the distribution of cases around the city, he discovered a strong correlation between cholera cases and a contaminated water source, the Broad Street pump.
Snow's observations led him to propose that contaminated water was the primary mode of cholera transmission. By convincing local authorities to remove the handle of the contaminated pump, he effectively controlled the outbreak and contributed significantly to our understanding of infectious disease transmission. Snow's work laid the foundation for modern epidemiology and the importance of water sanitation in preventing cholera and other waterborne diseases.
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