the addition of two-carbon units to a growing fatty acid chain is directly driven by reduction of nadp the formation of malonyl-coa from malonate and coenzyme a. oxidation of nadph decarboxylation of malonyl-coa hydrolysis of atp
Answers
The addition of two-carbon units to a growing fatty acid chain is directly driven by the reduction of NADPH.
The statement describes the key processes involved in the addition of two-carbon units to a growing fatty acid chain. This process is known as fatty acid synthesis or fatty acid elongation.
The reduction of NADPH plays a crucial role in this process. NADPH (nicotinamide adenine dinucleotide phosphate) is a coenzyme that acts as a reducing agent. It provides the necessary reducing power for the synthesis of fatty acids.
During fatty acid synthesis, NADPH donates electrons to the reactions, leading to the reduction of intermediates and the addition of two-carbon units to the growing fatty acid chain.
The formation of malonyl-CoA from malonate and coenzyme A is an essential step in fatty acid synthesis. Malonyl-CoA serves as the precursor for the two-carbon units added to the fatty acid chain.
It is formed by the condensation of malonate and coenzyme A, facilitated by the enzyme malonyl-CoA synthetase.
The oxidation of NADPH is not directly involved in the addition of two-carbon units to the fatty acid chain. NADPH is primarily utilized as a reducing agent, while NADP+ is the oxidized form of the coenzyme.
Hydrolysis of ATP provides the necessary energy for the reactions involved in fatty acid synthesis but is not directly responsible for the addition of two-carbon units.
In summary, the reduction of NADPH and the formation of malonyl-CoA are the key driving forces for the addition of two-carbon units during fatty acid synthesis.
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Related Questions
8. What makes phrenology a pseudoscience is the fact that …
a. none of it is true
b. We are focusing on cases that confirm our beliefs about it and not those that disconfirm our beliefs
c. most of it can be explained as a placebo effect
d. all of the above
e. none of the above
Answers
None of the facts supports phrenology and pseudoscience the correct answer is none of the above, option e is correct.
Phrenology is considered a pseudoscience not because none of it is true, but because its fundamental principles and methods have been discredited and are not supported by scientific evidence. Phrenology was a popular belief in the 19th century that claimed personality traits and mental abilities could be determined by examining the shape and size of bumps on the skull.
However, modern scientific understanding of the brain has shown that specific mental functions are not localized to specific areas of the skull as suggested by phrenology. The reason phrenology is considered a pseudoscience is that it lacks empirical evidence and scientific validity. Its claims have not been supported by rigorous experimentation or replicated findings.
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Drag each term to the correct location on the table. Each term can be used more than once.
What are the inputs and outputs of cellular respiration and photosynthesis?
Answers
Answer:
Respiration is the reverse reaction of photosynthesis.
Explanation:
The inputs of cellular respiration are oxygen and glucose and the outputs of cellular respiration are energy in the form of ATP, water and carbondioxide while on the other hand, the inputs of photosynthesis are water and carbondioxide and the outputs of photosynthesis are glucose and oxygen. Glucose is stored in the body whereas some oxygen is used in the process of respiration while the rest is released in the atmosphere.
Select all the reasons a cell regulates gene expression. multiple select question. to express their entire genome at all times to have a specialized function to generate atp by producing proteins to respond to changing conditions
Answers
To have a specialized function, to generate atp by producing proteins to respond, to changing conditions are reasons why a cell regulates gene expression.
Cells utilize a variety of ways to enhance or reduce the production of particular gene products, such as protein or RNA, and this process is known as gene regulation. In biology, complex gene expression programs are frequently seen, for instance, to start developmental pathways, react to environmental cues, or adapt to new food sources. Almost every stage of gene expression can be altered, including the beginning of transcription, the processing of RNA, and the post-translational modification of a protein. Nutrients, temperature, light, toxins, metals, chemicals, and signals from other cells are among the factors that affect gene expression. Numerous human ailments and diseases can be brought on by problems with the control of gene expression.
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Which of the following best describes why estuaries are important resources? A. They are the world's richest sources of precious metals. B. They are among the most productive types of ecosystems. C. They prevent weathering of rock from slopes and cliffs. D. They help stabilize the global climate.
Answers
Answer:
B. They are among the most productive types of ecosystems.
Explanation:
The estuaries provide migratory birds a place to rest. for example.
Answer:
B
Explanation:
Got it right on the test thingy
1. Different theories about the origin of life
2. Evolutionism vs Creationism
Answers
Answer:
Answer down below!
Explanation:
1. There are many different theories. Many speculate that it started off with Adam and Eve, while others take it a more scientific way.
2. Evolutionism is a term used (often derogatorily) to denote the theory of evolution. Meanwhile, with creationism. The belief that the universe and living organisms originate from specific acts of divine creation, as in the biblical account, rather than by natural processes such as evolution.
Answer:
Evolution is based on the idea that life evolved from other life, while creationism states that life was created by a god or a devine power
Explanation:
Evolution=Charles Darwin's theory of evolution
Creationism=A religious scripture
If a person who commits a crime leaves even the smallest speck of their blood, hair, or other organic matter, the DNA in this material can be amplified by ________, subjected to genetic analysis, and used to identify the person as the perpetrator of the crime. PCR STR analysis restriction digests
Answers
If a person who commits a crime leaves even the smallest speck of their blood, hair, or other organic matter, the DNA in this material can be amplified by PCR subjected to genetic analysis.
What is the use of PCR in crime scenes?
With PCR, crime scene investigators can extrade strains of DNA into quantities that may be recognized and connected to a suspect. Biologists can produce a couple of copies of character genes to look at gene function, evolution, and different topics.
PCR is a procedure wherein tens of thousands and thousands of copies of a particular collection of DNA may be made in a count number of just a few hours. This is crucial for forensic DNA samples because the DNA regularly located at crime scenes is constrained in each amount and quality.
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Melinda heated 1. 0 liter of water to 90 °C in a pot on the stove. She removed the pot from the stove and added to it 1. 0 liter of tap water at 10 °C. What was the temperature of the entire 2. 0 liters of water immediately after it was mixed?
Answers
50.6 °C is the temperature of the entire 2. 0 liters of water immediately after it was mixed.
We may apply the theory of energy conservation to determine the temperature of the 2.0 liters of water after mixing.
Where Q1 is the heat absorbed by the hot water, Q2 is the heat absorbed by the cold water, and Q3 is the sum of the heat in the combined water,
Q1 + Q2 = Q3.
The following equations can be used to determine Q1 and Q2:
Q1 = m1 × c × ΔT1
Q2 = m2 × c × ΔT2
where T1 and T2 are the temperature changes of the hot and cold water, respectively, and m1 and m2 are the masses of the hot and cold water, respectively. C is the specific heat capacity of water.
With the values provided, we have:
m1 = 1.0 kg
m2 = 1.0 kg
We can use the following equation to determine the final temperature of the mixed water:
Q3 = m3 × c × ΔT3
where T3 denotes the change in temperature of the mixed water and m3 denotes the total mass of the mixture.
With the values provided, we have:
The formula is: m3 = m1 + m2 = 2.0 kg c = 4.18 J/kg. T3 = (T1 - 25 °C).
where T1 is the water's combined final temperature.
When we enter these numbers into the equation, we obtain:
3345 J is equal to 2.0 kg and 4.18 J/kg. at 25 °C.
To solve for T1, we obtain:
T1 = 50.6 °C
Thus, the combined temperature of the 2.0 liters of water is roughly 50.6 °C after mixing.
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– Heart Rate Investigation
Students will investigate their heart rate during different physical activities.
They will measure their resting heart rate and then record their heart rate after
performing activities such as walking, running, or jumping.
They are to compare and analyse their heart rate data, noting any changes based
on activity intensity.
They will explain the relationship between heart rate and physical activity
Answers
The investigation on heart rate during different physical activities involves students measuring their resting heart rate and recording their heart rate after performing activities like walking, running, or jumping. They will compare and analyze the data to note any changes based on the intensity of the activity. The goal is to explain the relationship between heart rate and physical activity.
Heart rate is an essential indicator of cardiovascular fitness and provides insights into how the body responds to physical exertion. When the body engages in physical activity, the heart works harder to supply oxygen and nutrients to the muscles. As a result, the heart rate increases.
During rest, the heart beats at a baseline rate known as the resting heart rate. As individuals engage in different activities with varying intensities, their heart rate will respond accordingly. Light activities like walking may result in a moderate increase in heart rate, while more vigorous activities like running or jumping will lead to a more significant increase.
By comparing and analyzing their heart rate data, students can observe the relationship between heart rate and physical activity intensity.
They will likely find that higher-intensity activities elicit higher heart rates. This relationship demonstrates how the heart adapts to meet the increased demand for oxygen and energy during exercise.
Understanding this relationship is crucial for assessing cardiovascular fitness and designing appropriate exercise programs to improve heart health.
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Explain why cell going through meiosis must divide twice
Answers
Answer:
so if one dies the other doesn't as well, then the other can find another cell to reproduce more cells.
Explanation:
In pasteur's swan-neck flask experiment, the importance of the s-shaped curves in the flasks was twofold. the curves allowed entry of air but excluded?
Answers
Answer: The exclusion of microbes, such as bacteria and spores.
Explanation:
The swan-neck flask broth was able to remain sterile because the "dips" of the flask's neck acted as a reservoir to contain microbes that managed to get in through the open mouth.
help im stuck lolllllllllll
Answers
Illustrate four ways in which covid 19 affected normal life routine
Answers
2. Social distancing measures have been implemented to reduce the spread of the virus, which has greatly restricted people's ability to gather together for social events, religious services, and other activities.
3. Schools have been forced to close, causing many students to switch to online learning and distance learning.
4. Travel restrictions are in place across many parts of the world, which has limited people's ability to go on vacation or visit family and friends. These restrictions have had a major impact on the tourism industry, as well as on individuals' plans.
Using what you learned this week about DNA and the cell cycle, explain what can go wrong to cause cancer in an organism. Be detailed in your answer.
Answers
Answer:
Cancer is caused by accumulated damage to genes. Such changes may be due to chance or to exposure to a cancer causing substance.
The substances that cause cancer are called carcinogens. A carcinogen may be a chemical substance, such as certain molecules in tobacco smoke. The cause of cancer may be environmental agents, viral or genetic factors.
Explanation:
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If 1 orca whale eats 78 salmon, 1 salmon 16 eats herring, 1 herring eats 38
zooplankton, 1 zooplankton eats 13 phytoplankton and the phytoplankton
each have 4 DDT, what would be the concentration of DDT for the orca
whale?
Answers
Therefore, the concentration of DDT in the orca whale's body would be approximately 3,533 DDT/kg.
Using the given information, we can calculate the total number of phytoplankton consumed by a single orca whale:
1 orca whale eats 78 salmon
1 salmon eats 16 herring
1 herring eats 38 zooplankton
1 zooplankton eats 13 phytoplankton
Therefore, 1 orca whale eats:
78 salmon × 16 herring/salmon × 38 zooplankton/herring × 13 phytoplankton/zooplankton = 4,858,688 phytoplankton
Since each phytoplankton has 4 DDT, the total amount of DDT consumed by the orca whale would be:
4,858,688 phytoplankton × 4 DDT/phytoplankton = 19,434,752 DDT
Assuming that the body weight of an orca whale is 5,500 kg and that all the DDT consumed by the whale is distributed uniformly in its body, we can calculate the concentration of DDT in the whale's body:
Concentration of DDT in the whale's body = 19,434,752 DDT / 5,500 kg = 3,533 DDT/kg
Therefore, the concentration of DDT in the orca whale's body would be approximately 3,533 DDT/kg.
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Which statement best represents how an organism maintains homeostasis?
A)Offspring inherit traits from their parents.
B)Desert pack rats are active at night to conserve water.
C)Female barn swallows mate with long-tailed males.
D)Young eagles have different kinds of feathers than adult hawks.
Answers
The answer is B ! Hope that helps...
Using what you know
about Hox genes,
hypothesize what may
have happened to the fruit
fly on the right.
Answers
There are different kinds of mutations. What can happened to the fruit
fly on the right is that there will be Homeotic mutations in the fruit flies.
What takes place to the body of a fruit fly if the Hox gene is altered?When there is Homeotic mutations in fruit flies, Homeotic genes are said to be the reason or the option that is used in knowing the identity of some specific segments or structures of the body.
If an homeotic genes is said to be inactivated or when expressed in an unusual part of the body due to mutations, it may make the body segments to take on new form.
In Drosophila, that is the fruit fly, a Hox mutation can create a lot of changes such as an extra pair of wings, new a set of legs, etc.
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Which is the correct ratio for SINE?
Answers
Answer:
opposite/hypotenuse
Explanation:
SOHCAHTOA method, shows that sine is Opposite Hypotenuse.
Find the number of 5-permutations of a set with nine elements.
Answers
There are 15,120 different 5-permutations of a set with nine elements, calculated using the formula 9!/(9-5)! = 15,120.
The number of 5-permutations of a set with nine elements can be calculated using the formula for permutations, which is n!/(n-r)!. In this case, n represents the total number of elements in the set (9), and r represents the number of elements chosen in each permutation (5).
By substituting the values into the formula, we obtain the following expression:
9!/(9-5)! = 9!/4!
The factorial of 9 is 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
= 362,880.
Similarly, the factorial of 4 is 4 x 3 x 2 x 1
= 24.
Therefore, the calculation becomes:
362,880/24 = 15,120
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The simplest model of photosynthesis must include which details?.
Answers
Photosynthesis is a process through which plant produce their food. They convert light energy into chemical energy by cellular respiration.
Model of photosynthesis Photosynthesis is carried out in stomata on the leaves of plants.Photosynthesis is carried out by all plants, algae, and cyanobacteria. The equation of photosynthesis is:\(6CO_2 + 6H_2O = C_6H_1_2O_6 + 6O_2\)
Six molecules of carbon dioxide combine with six molecules of water in the presence of sunlight, converting it into glucose and six molecules of oxygen.In the products, glucose is consumed by the plants, and oxygen is released outside the plants.Thus, This is the model of photosynthesis.
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Write a Scientific Argument for The Flu, Covid-19, and RSV
Answers
The Flu, Covid-19, and RSV (Respiratory Syncytial Virus) are all highly contagious respiratory illnesses that can cause severe health complications. The scientific argument for these diseases is that they are caused by different viruses that infect the respiratory system and can spread easily from person to person through respiratory droplets.
The Flu is caused by the influenza virus, which can be transmitted through coughing, sneezing, or talking. It can cause mild to severe illness and even death in some cases, especially among people with weakened immune systems or underlying health conditions.
Covid-19 is caused by the SARS-CoV-2 virus, which is highly contagious and can cause severe respiratory illness. It spreads through respiratory droplets and can also be transmitted by touching contaminated surfaces. Covid-19 has caused a global pandemic and has resulted in millions of deaths worldwide.
RSV is a common respiratory virus that can cause mild to severe illness, especially in young children, older adults, and people with weakened immune systems. It is spread through respiratory droplets and can also be transmitted by touching contaminated surfaces.
In conclusion, the scientific argument for the Flu, Covid-19, and RSV is that they are all caused by respiratory viruses that can spread easily and cause severe health complications. It is important to take preventive measures such as wearing masks, washing hands frequently, and practicing social distancing to reduce the spread of these viruses and protect our health.
Answer:
Explanation:
Every fall and winter, viral respiratory illnesses like the common cold and seasonal flu keep kids out of school and social activities. But this year, more children than usual are ending up at emergency departments and hospitals.
In California, the Orange County health department declared a state of emergency in early November 2022 due to record numbers of pediatric hospitalizations for respiratory infections. In Maryland, emergency rooms have run out of beds because of the unusually high number of severe respiratory syncytial virus, or RSV, infections. So emergency departments there are having to refer patients across state lines for care.
In the U.S., the winter respiratory virus season started earlier than usual this year. Since peak infections usually occur in late December or January, this uncharacteristic early wave suggests that the situation could get much worse for people of all ages, particularly children.
We are epidemiologists with expertise in epidemic analysis for emerging disease threats, including respiratory infections. We watch patterns in these infections closely, and we pay particular attention when the patterns are unusual. We’ve grown increasingly concerned about the amount of pediatric hospitalizations over the last few months and the pattern that is emerging.
Describe how to find speed and what units are for measuring speed
Answers
Speed is a measure of how fast an object moves, defined as the distance traveled by an object in a given time. To find speed, one needs to know the distance traveled by the object and the time it took to travel that distance. The formula for speed is Speed = Distance ÷ Time.
What units are for measuring speed?The units for measuring speed depending on the system of measurement used. In the International System of Units (SI), speed is measured in meters per second (m/s), while in other systems of measurement, such as the Imperial system, speed is measured in miles per hour (mph) or feet per second (ft/s).
Are velocity and speed the same?Velocity and speed are related but not the same. Speed is a scalar quantity that measures how fast an object moves, regardless of its direction. Velocity, on the other hand, is a vector quantity that measures the speed of an object and its direction of motion.
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Codons: A. are triplets coding for a single amino acid. B. are the alphabet of the genetic language. C. each have only one meaning. D. All of the choices are correct. E. A and B are true
Answers
Answer:
A
Explanation:
Are triplets coding for a single amino acid.
Regulating body temperature is important for animals to maintain homeostasis. One way humans do this is through sweating. Horses are one of the few animals that also sweat to cool themselves. What does this common homeostatic mechanism indicate about humans and horses? A. They evolved the trait simultaneously . B. They are the two species that regulate body temperature . C. They share a common ancestor . D. They evolved in different environments .
Answers
Answer:
The answer is option C "They share a common ancestor"
Explanation:
Homeostasis can simply be defined as the processes which animals needs to undertaken or the conditions animals exhibits to maintain a balanced or stable condition in the body system that are significant for the survival of the animal.
One of the ways animals maintain a stable state is regulating the body temperature through sweat and this process is peculiar to both Humans and Horses because the share a common ancestor considering Homeostasis to be a mechanism for evolution.
ab Moving to the next question prevents changes to this answer. estion 8 Buia difier loem iaformation in which way? 1. There is no difference 11. Infirmason is dies organiscd to provide meanises 1ii, Data aro facis aboit a sale W. Bata are mearingful bita of information
Answers
The correct option is B, which is "Information" is organized to provide meaning. Data can be explained as raw and unorganized facts and figures that need to be processed before they can be considered as information.
Therefore, information is data that has been collected, analyzed, organized, and presented in a meaningful way. Thus, the statement "Information is organized to provide meaning" is accurate. Furthermore, data is considered to be objective and without meaning.
It is in a format that can be sorted, evaluated, and analyzed by a computer or an individual. On the other hand, information is subjective and meaningful and can be conveyed and interpreted by people.
However, data can be processed to obtain information. Data is transformed into information when it is analyzed, organized, interpreted, and presented in a meaningful and useful way.
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you are running a study to test a new drug. unbeknownst to you, the drug is completely ineffective. if your study employs a significance level of 0.01, what will the type i error rate be?
Answers
In this scenario, you are running a study to test a new drug, and the drug is actually ineffective. A Type I error occurs when you reject a true null hypothesis, meaning that you conclude the drug is effective when it is not.
The significance level (alpha) of a study is the probability of making a Type I error.
In your study, the significance level is 0.01, which means that the Type I error rate is 1%. In other words, there is a 1% chance that you will incorrectly reject the null hypothesis and conclude that the drug is effective when it is actually ineffective. This error rate is important to consider when interpreting the results of your study, as it helps you understand the likelihood of making an incorrect conclusion based on your data.
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Where does the fetus normally develop?
Answers
Answer:
in the womb !!
Explanation:
hAve a good night
Answer:
Inside the uterus, the blastocyst implants in the wall of the uterus, where it develops into an embryo attached to a placenta and surrounded by fluid-filled membranes.
please help me please and thank you!
Answers
Answer:
Nuclear Fission
Explanation:
Answer:
Nuclear Fusion
Explanation:
Okay so I might be wrong on this so don't quote it but since it has nucleus Im thinking nuclear.
In North America, many top predators, such as wolves, have been driven nearly to extinction. What effect do you think this has on their main prey, deer? Write your answer below, and discuss with your classmates.
Answers
Extinction refers to the elimination of species or groups of organisms due to human-made causes or natural events.
In North America, animals or predators such as wolves have been extinct that can affect the food chain and their prey.
The wolves in North America grew in number to such an extent that government and wildlife agencies developed the rules and regulations to hunt down and kill the wolves, which led them to near extinction.
Wolves feed or attack the deer and are a type of parasitism relationship. In this relationship, wolves are benefitted and deer are harmed.
The extinction of wolves will be led to an increase in the deer population, as deers are the prey and will have no fear from the wolves.
Thus, the deer population will increase in number.
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During transcription __ is converted to __
Answers
Answer:
DNA is converted into RNA
Explanation:
hope i helped you
The ___________ is the region of a transcription factor where identical or similar proteins bind together.
A. dimerization domain B. activation domain C. ligand domain D. DNA-binding domain
Answers
The dimerization is the region of a transcription factor where identical or similar proteins bind together.
The dimerization domain is the region of a transcription factor where identical or similar proteins bind together. This domain is crucial for the functioning of the transcription factor as it allows the protein to interact with another protein of the same type, forming a dimer. The dimerization domain is typically made up of alpha helices and allows for the stable association of two protein monomers to form a functional protein complex. The formation of dimers can increase the diversity of transcription factor function as different dimers can have distinct DNA-binding specificities or differential responses to signaling pathways.
Dimerization is an essential step in the regulation of gene expression because it allows for the integration of multiple signals from different signaling pathways. Dimerization is also important for the proper folding of the transcription factor and for targeting it to the correct subcellular location. The dimerization domain can be located anywhere within the protein, depending on the specific transcription factor. It is often located near the DNA-binding domain or the activation domain, which facilitates interactions between different domains of the protein.
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