Answers
Answer:
An inherited life-threatening disorder that damages the lungs and digestive system.
Cystic fibrosis affects the cells that produce mucus, sweat and digestive juices. It causes these fluids to become thick and sticky. They then plug up tubes, ducts and passageways.
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Explanation:
Related Questions
E1 Biol 2281 usage of internet to analyze nuclei acid
Are these right?
Answers
We can see here that going through the answers provided in the image, we can deduce that they are correct though it will be proper to cross-check before submitting.
What is nuclei acid?Nucleic acids are biomolecules that play a crucial role in storing, transmitting, and expressing genetic information in living organisms. They are essential for the functioning and inheritance of genetic traits.
Both DNA and RNA are polymers made up of repeating units called nucleotides. Each nucleotide consists of three components: a sugar molecule (deoxyribose in DNA and ribose in RNA), a phosphate group, and a nitrogenous base.
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Why is NAD+ so important if the cell takes the anaerobic pathway, so glycolysis to fermentation? Does the atp made in glycolysis depend on the NAD+ conversion to NADH in the first step? I am confused on why NAD+ is so important to atp production
Answers
Answer:
NAD+ (nicotinamide adenine dinucleotide) is indeed crucial for ATP production, even in anaerobic pathways such as glycolysis followed by fermentation. Allow me to explain the significance of NAD+ and its role in ATP production.
During glycolysis, glucose is broken down into pyruvate, producing a small amount of ATP and NADH. The conversion of NAD+ to NADH occurs during the oxidation of certain molecules, including glucose, in the pathway. This conversion is essential because NADH carries high-energy electrons that can be used in subsequent steps to generate more ATP.
In aerobic respiration, NADH is further utilized in the electron transport chain (ETC) within the mitochondria. The ETC transfers electrons from NADH to oxygen, generating a significant amount of ATP through oxidative phosphorylation. However, in anaerobic conditions where oxygen is limited, like during fermentation, the ETC cannot function.
Here's where NAD+ becomes critical. In order to keep glycolysis running and continue generating ATP, the NADH produced during glycolysis must be converted back to NAD+. This allows glycolysis to continue producing ATP, even without the presence of oxygen. Without a mechanism to regenerate NAD+, glycolysis would halt due to a lack of NAD+, leading to a severe reduction in ATP production.
Fermentation pathways differ depending on the organism, but they all involve the regeneration of NAD+. For example, in lactic acid fermentation, pyruvate is converted into lactate, which involves the transfer of electrons from NADH to pyruvate, regenerating NAD+. Similarly, in alcoholic fermentation, pyruvate is converted into ethanol, again regenerating NAD+.
In summary, NAD+ is essential in anaerobic ATP production because it serves as a coenzyme that accepts electrons and facilitates the conversion of NADH back to NAD+. By regenerating NAD+, cells can sustain glycolysis and continue producing ATP, even in the absence of oxygen.
Which best describes Internet wikis as a source of scientific information?
Wikis are good sources of reliable scientific information.
Wikis are written only by experts in their fields.
Wikis are always extensively peer reviewed.
Wikis are written or edited by anyone.
Answers
Answer:
Wikis are always extensively peer reviewed.
Explanation:
Name two pieces of laboratory equipment that can be used
to measure mass.
Answers
Answer:
Scientists measure mass with a balance, such as a triple beam balance or electronic balance. In science, the volume of a liquid might be measured with a graduated cylinder.
Explanation:
What is the effect of the conflicting perspectives?
O The two men become protective of each other.
The two men decide to leave the battlefield.
The two men become unaware of reality.
O The two men separate on the battlefield.
O
Answers
The effect of conflicting perspectives can lead to the separation of the two men on the battlefield. So, option D is the right choice.
When conflicting perspectives arise, the effect can be multifaceted.
Conflicting perspectives create a divergence in opinions, beliefs, or interests between the two men. This can lead to a clash of ideas and viewpoints, causing tension and disagreement.As a result, the two men may become defensive and protective of their own perspectives. They may feel the need to support and defend their point of view, potentially leading to a stronger bond between them as they unite against external opposition.Alternatively, the conflicting perspectives may become too intense, making it difficult for the two men to find common ground or reach a resolution. In such cases, they may decide to leave the battlefield as a way to disengage from the situation and avoid further conflict.Conflicting perspectives can sometimes lead to a narrowing of focus, where the two men become so absorbed in defending their own viewpoint that they become unaware of the broader reality or alternative perspectives. This can limit their ability to consider new information or adapt their positions.In extreme cases, the conflicting perspectives may cause a complete separation between the two men on the battlefield. They may choose to physically distance themselves from each other, creating a physical and emotional divide.It's important to note that the specific effects of conflicting perspectives can vary greatly depending on the individuals involved, the nature of the conflict, and the surrounding circumstances.The right answer iis Option D. The two men separate on the battlefield.
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The complete question may be like:
What is the effect of the conflicting perspectives?
A. The two men become protective of each other.
B. The two men decide to leave the battlefield.
C.The two men become unaware of reality.
D. The two men separate on the battlefield.
Match the following:
Citric Acid Sodium Acetate
Nitric Acid Mild Base
Basic Salt Organic Acid
Litmus Paper Mineral Acid
Antacid Indicator
Answers
Explanation:
_______________________Citric Acid is an Organic acid.It is usually reffered to as Vitamin C.
It is sour is taste, the property of acids.
It is found in citrus fruits.
_______________________Nitric Acid is Mineral Acid.It cannot be found directly in nature.
It is a powerful man made Acid.
It's formula is HNO3.
_______________________Sodium Acetate is a Basic Salt.
This is because Sodium is a strong base material and Acetate ie Acetic Acid is a weak Acid.
_______________________Litmus paper is an Indicator.Litmus paper turns red in case of acids.
It turns blue in case of base.
It doesn't change its violet color in case of neutral object or whatever color it had originally.
_______________________Antacid is a Mild Base.It is generally Magnesium Hydroxide, common antacid.
It is used to cure stomach ache or acidity when the glands release excess of Hydrochloric Acid.
The formula is Mg(OH)2 in case of Magnesium Hydroxide.
_____________________Why is it important to perform a restriction digest after cloning your gene of interest fragments into the TOPO vector?
Answers
Answer:
Restriction enzymes (restriction endonucleases) are proteins that cut DNA at (or close ... To be able to clone a DNA insert into a cloning or expression vector, both have ... you could carry out the two digestions simultaneously (double digestion)
Explanation:
Nasir is 12 years old. What outcome is MOST likely if his caregivers talk with him openly about sexuality?
He will soon come out as gay.
He will be less likely to contract an STI.
He will have sex by age 13.
He will marry by age 18.
Answers
He will be less likely to contract an STI.
Option B is the correct answer.
What is STI?STI stands for sexual transmitted infection. A sexually transmitted infection (sexually transmitted disease) is a serious condition that can develop after you have sex.
So if Nasir is 12 years old, and if his caregivers talk with him openly about sexuality, he will be well informed about dangers of premature sex and sexually transmitted disease.
Thus, he will be less likely to contract an STI.
The wrong choices in the given options are;
He will soon come out as gay.
He will have sex by age 13.
He will marry by age 18.
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choose all that are principal veins of the portal system carrying blood from the gastrointestinal organs to the liver.
Answers
Gastric veins, splenic veins, inferior/superior mesenteric veins, and hepatic portal veins are the principal veins of the portal system carrying blood from the gastrointestinal organs to the liver. Thus, all options are correct.
What is the portal system?Capillary blood is transported to the liver by the portal venous system from the esophagus, stomach, small and large intestine, pancreas, gallbladder, and spleen.
Thus, gastric veins, splenic veins, inferior/superior mesenteric veins, and hepatic portal veins are the principal veins of the portal system. Hence, all options are correct.
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Your question is incomplete, most probably the full question is this:
Choose all that are principal veins of the portal system carrying blood from the gastrointestinal organs to the liver.
A. Gastric veins
B. Splenic vein
C. Inferior/superior mesenteric veins
D. Hepatic portal vein
is this right i dont know if it is
Answers
Answer: Yes
Explanation:
Astronomy and reincarnation are not Science.
A fertilized egg, or a
is formed from the fusion of egg and sperm.
vagina
uterus
zygote
ovary
Answers
Answer:
Zygote
Explanation:
A zygote is a fertilized egg.
Answer:
zygote
Explanation:
they're correct !
Given the following evidence; which does not support the theory of Continental Drift? A) climate
B) fossils of plants and animals
C) magnetic strips in the ocean floor
D) land features match up (like mountains) on different continents
Answers
The theory of Continental Drift does not shows evidence about climate. Thus option A is correct.
What is continental drift?Continental drift is defined as the idea that the positions of Earth's continents have changed over geologic time, giving the impression that they have "drifted" across the ocean floor.
It can also be defined as the continents moving horizontally at a huge scale in relation to one another and the ocean basins throughout the course of one or more geologic epochs.
The theory of plate tectonics, which integrates this idea, had this idea as a key antecedent.
The fit of the continents, the distribution of prehistoric fossils, rocks, and mountain ranges, as well as the placements of prehistoric climatic zones, were all used as evidence for continental drift.
Thus, the theory of Continental Drift does not shows evidence about climate. Thus option A is correct.
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What is the name of the hormone that: increases blood glucose levels? decreases blood glucose levels? a) b)
Answers
Answer:
Explanation:
Glucagon
is produced to maintain glucose levels in the bloodstream when fasting and to raise very low glucose levels.
insulin's
job is to lower blood sugar. If blood sugar gets too low, the pancreas releases another hormone, glucagon, which works to raise glucose levels.
Explain why a risk management officer would have a higher position in a health care company than a nurse has in a hospital.
Answers
Answer:
Once a new process is adopted organization-wide, the quality manager can measure and evaluate the effect that the new process has on patient outcomes, and the risk manager can monitor whether the new process reduces adverse events related to the process.
Explanation:
B. What are two reasons that this layer can contain so much water vapor? (2 points)
Answers
The two reasons that this layer ( Troposphere ) will contain much water vapor are :
AltitudeAir compressibility The layer of the atmosphere with the most water vaporThe troposphere contains so much of the water vapor present in the atmosphere due to gravity and the compressibility air. As we move higher above the earth surface, the density of the atmosphere decreases rapidly. causing the majority of water vapor to be retained at the troposphere. which is lowest part of the atmosphere closest to the earth surface.
Hence we can conclude that The two reasons that this layer ( Troposphere ) will contain much water vapor are : Altitude and Air compressibility.
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Question: state the law of conservation of matter
Answers
Answer:
matter can not be created or destroyed in the universe however it can change forms
Which statement is true about Jupiter
Answers
Which claim is supported by significant scientific research?A. In the last 10 years, sea level has risen twice as fast as in previouscenturies.B. There is no reason to believe humans are causing recent global warmingc. In the last 10 years, Earth has been cooling off.D. Weather anomalies can be used as evidence for and againstclimate change.
Answers
Between the claims in the question the one that is supported by significant scientific research is: D. Weather anomalies can be used as evidence for and against climate change. That's because the weather anomalies can be used as an experimental factor to conclude about climates changes.
Does anybody know the answer to this question I’ve been on it for like 20 minutes and I only have five more minutes left nobody’s been able to solve it
Answers
Answer:
b
Explanation:
Fossils of dinosaurs contain similar skeletal structures to both reptiles and birds.
The eggs of many animals looks imlar, and habitat donst matter much. whether they mate or ahve evovled from eachother depends on their skeletal similatarites.
Answer:
its b
Explanation:
Which of the following choices could cause brain damage in an infant?
a. lack of affection
b. poor nutrition
c. shaking
d. All of the choices are correct.
Answers
Answer:
D, a baby needs affection, shaking can kill them and poor nutrition can hurt them.
Which section of the scientific manuscript presented in the case study on sandbar sharks defined young-of-year as sharks less than one year old
Answers
The section of the scientific manuscript that should define young-of-year as sharks less than one year old is the METHODS section. In this section, the features of the subject of study are described.
Scientific manuscripts and their sectionsA scientific manuscript (commonly known as paper) is a published investigation containing data obtained by using the scientific method.
A case of study is a scientific paper that has a specific format, which is reproduced in different journals publishing this type of investigation.
The main parts of 'A case of study' paper include an Introduction section, Methods section, Results section, Conclusions section and Discussion section (often these last two are combined in a single section).
In the Methods section, the characteristics and properties of the subject of study (in this case, the sandbar sharks) are usually described.
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7. Suppose you were culturing a population of bacteria at 15 degrees Celsius and then raised the temperature of the culture to 37 degrees Celsius. What effect do you think this might have on the fatty acid composition of the membrane? On the transition temperature of the lipid bilayer? On the activity of membrane desaturases?
Answers
Answer:
See below
Explanation:
An increase in the temperature will result in greater fluidity of the lipid bilayer membrane, since the unsaturated fatty acids are increased. The membrane tends to be stiff at lower/colder temperatures.The transition temperature refers to the temperature at which the membrane goes from solid to liquid state, which will be raised in this case. This is due to the increase in saturation of fatty acids.The activity of the enzymes membrane desaturases will decrease under these conditions.What are examples of convections currents? What are examples of convection currents? A: the movement of war air into cooler air and cooler air into warmer air B: the movement of cool water into warmer water and warmer water into cool water. C: the displacement of air/water molecules by other air/water molecules due to varying temperatures. D: all of the above
Answers
Answer:
C: the displacement of air/water molecules by other air/water molecules due to varying temperatures
Imagine you just ate a big lunch. Your stomach is distended from its contents: the food you just ate. You cannot eat another bite. Nerve cells in your stomach relay this information to the A) receptors. B) effectors. C) a set point. D) control center.
Answers
Answer:
D.) Control Center
Explanation:
Just did it on USA test prep
An object is traveling at 9 m/s and has a mass of 20kg how much energy does it have
Answers
Answer:
Explanation:
^0
Answer:
90
Explanation:
in this question the solution is in form of kinetic energy. and the formula for kinetic energy is 1/2mvsquare. so we have m (mass) to be 20kg and v to be 9m/s. so we have 1/2*20*9. so the answer is 90.
what is the difference between cell structure and cell function?
Answers
Answer:
These cells have a membrane-bound nucleus that houses their DNA and contain extensive internal organelles (“little organs”) that perform specific functions. ... Differences occur in size, shape, and presence and number of various organelles and other structures. Each cell's structure correlates with its specific function.
Explanation:
Answer:
A cell can be defined as the smallest unit of life and an example include muscle cells. An aggregation of cells form tissues.
The major difference between a cell structure and cell function is in their functions and physical properties.
Cell structure: This talks about how the cells look like when viewed. A call contains components such as the nucleus, cytoplasm, cell membrane etc and each has their various functions to ensure the organisms/animals are able to perform various life activities.Cell function: This on the other hand refers to the various functions which a cell is able to perform and this is dependent on the component in question such as the nucleus which controls cell activities and cytoplasm which provides support and helps to house other organelles.
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Which RNA molecule is involved in translating a short sequence of RNA into an amino acid, acting like a molecular Rosetta stone?
a
snRNA
b
tRNA
c
mRNA
d
rRNA
Answers
The RNA molecule that is involved in translating a short sequence of RNA into an amino acid is tRNA (Option b). This molecule (tRNA) is fundamental to link the genetic information from DNA to protein.
During gene transcription, a fragment of DNA called gene is used as a template to create a complementary messenger RNA (mRNA).
Subsequently, this mRNA is n then used as template to create a polypeptide (i.e., a protein) by a process called translation.
During translation, triplets of nucleotides or 'codons' in the mRNA sequence interact with anticodons of the transfer RNAs (tRNAs), which then specify the linear order of amino acids that will be added to the growing polypeptide.
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Which of these is most likely to be true of an urban community ?
Answers
Answer:
An urban community has buildings. An urban community has more air pollution than other types of communities.
A new strain of rice was developed to be resistant to popular weed killers. What could be a negative outcome from the production of this new rice variety?
A.
The rice crops will be more productive due to less competition with other plants.
B.
If it accidentally spreads to areas where it is unwanted, it will be difficult to remove.
C.
There are no possible negative outcomes from this new strain of rice.
D.
Farmers will be able to spray weeds growing near the rice without worrying about killing the rice.
Answers
A new strain of rice gives more production but a negative outcome is spread to unwanted areas, hence option b is correct.
What is a strain of rice?Due to agricultural laws that prohibit the keeping of seeds from harvests and the planting of plants of a different genetic make or made by a different company.
You need to locate a pesticide that your plants are resistant to, find each one of them individually, and pluck them, or treat your entire garden with a pesticide that would kill all of your plants but not the resistant variety.
Therefore due to the spread in unwanted areas, new strains of rice have a negative impact.
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Need ASAP
Which is NOT a part of a phospholipid?
A) phosphate group
B) glycerol
C) carbohydrate
D) fatty acid
Answers
Answer:
c
Explanation:
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