The hypothesis that best fits the observation that one of the mutants has reduced levels of ATP and NADH and increased levels of FAD and pyruvate is that the mutation is disrupting the citric acid cycle (Option 3).
What is the citric acid cycle?The citric acid cycle, also known as the Krebs cycle, is the second step of cellular respiration which is required to generate ATP through the oxidation of pyruvate.
The reduced form of Nicotinamide adenine dinucleotide (NADH) produced during the citric acid cycle is then used in oxidative phosphorylation (the third step of cellular respiration) in order to generate more ATP.
Therefore, with this data, we can see that the citric acid cycle generates the reduced form of Nicotinamide adenine dinucleotide (NADH) and thus increases the production of ATP, thereby a mutation in an enzyme that works in this pathway may also hamper the proportion of ATP.
Complete question:
A scientist performs a series of mutation screens to look for mutations that reduce ATP production. One of the mutants, compared to a wild-type cell, has reduced levels of ATP and NADH and increased levels of FAD and pyruvate. Which hypothesis best fits these observations?
The mutation is disrupting glycolysis.
The mutation is disrupting fermentation.
The mutation is disrupting the citric acid cycle.
The mutation is disrupting the electron transport chain.
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Answer:
For the people to lazy to read that. The answer is c.
Explanation:
How would air pollution affect the lives and/or livelihoods of those in the open markets of India?
Answer: It can make them sick and cause sickness or death and can make their businesses lose money.
Explanation:
The health effects of air pollution are serious – one third of deaths from stroke, lung cancer and heart disease are due to air pollution. ... Microscopic pollutants in the air can slip past our body's defences, penetrating deep into our respiratory and circulatory system, damaging our lungs, heart and brain.
When Clara's doctor taps her knee with the rubber hammer, her knee ______. Which portion of the spinal cord is responsible for this movement?
Brainly notice: Don't use such phrases here, not cool! It hurts our feelings :(
Answer:
b. Grey matter
Explanation: is correct
Answer:
The answer is letter B.
Explanation:
Gray Matter
when new species spread out and adapt to all available habitat types, it is known as what?
Answer:
This is called allopatric speciation. There are five types of speciation: allopatric, peripatric, parapatric, and sympatric and artificial.
I need help with one paragraph.
Answer:
I miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rageI miss the rage
Explanation:
Which process does the grass use to make the food this horse needs?
A. Photosynthesis
B. Digestion
C. Respiration
D. Eating
What substances in food provide organisms with energy?
Answer:
A food is something that provides nutrients. Nutrients are substances that provide: energy for activity, growth, and all functions of the body such as breathing, digesting food, and keeping warm; materials for the growth and repair of the body, and for keeping the immune system healthy.
Explanation:
Answer: Carbohydrates
Explanation: Because of the starches and sugars in food, that gives your body‘s main sources of energy.
What are the four most common elements in all living things
Answer:
Oxygen
Oxygen is the most abundant element contained within living organisms, composing about 65% of the human body. Oxygen is also the most abundant element in the Earth's crust, and in the air that is essential for most life on Earth. Oxygen's presence in the body is largely in the form of water, which is used to produce the energy within the body needed to sustain life.
Carbon
Carbon forms the basis for all life on Earth; indeed, life forms on Earth are referred to as carbon-based life forms, emphasizing the importance of this element for life. Carbon atoms readily bond to other atomic elements, such as oxygen and nitrogen. Since carbon can so readily bond to other elements, long chains of bonds can form and provide the physical and chemical structure needed for the complex processes and structures that occur within living organisms, such as structural proteins and genetic information in the form of nucleic acids.
Hydrogen
Hydrogen is the simplest element, as its atom contains only a single proton and a single neutron. As a result of this simplicity, hydrogen readily bonds with other elements, making it an important component for the formation of living organisms. Hydrogen is the other element (along with oxygen) which forms water, a crucial component for most life forms on Earth. Hydrogen is also a byproduct in many biological reactions, including photosynthesis and metabolism.
Nitrogen
Nitrogen is one of the most abundant elements on Earth, composing approximately 80% of the air on Earth. Nitrogen is an important element in the development of plant life, as compounds containing these elements are readily absorbed and used by plants. Nitrogen is also an important component of many proteins and deoxyribonucleic acids (DNA), which is crucial for genetic material to be passed on to subsequent generations of life.
Sulfur
Sulfur is a major component of two essential amino acids used by living organisms: cysteine and methionine. These amino acids, like all amino acids, are crucial for the construction of proteins that are used for structural stability and repair of living organisms. For example, the structural integrity of hair and feathers can be attributed to these amino acids. Sulfur is also used as a source of energy and is metabolized by some species of bacteria and other lower life forms.
Phosphorus
Phosphorus is used in the formation of phospholipids, a type of molecule that is a major component of the cell membrane of all living cells. Without this cell membrane, cells would not be able to develop and would not have the structural stability to form in the first place. This protective layer of phospholipids holds all the internal components of cells in place, allowing for the processes that maintain the life of the cell to take place. The phospholipid layer also protects the cell by keeping any unwanted or potentially destructive materials outside of the cell.
(via sciencing.com)
Explanation:
hope it helps
What is Alternation of generation
Answer:
Alternation of generations is the type of life cycle that occurs in those plants and algae in the Archaeplastida and the Heterokontophyta that have distinct haploid sexual and diploid asexual stages.
Explanation:
A teacher showed this animal to students on a field trip. Which tool will the students use to record the animal's behavior? A. Graduated cylinder B. Notebook C. Tape measure D. Hand lens
Answer:
note book
Explanation:
nothing else would work
If two 4-Newton forces act on an object in the same direction, what is the net force on the object?
Answer:
8 Newton net force
Explanation:
Have a nice day
Why does DNA need to replicate before cells divide?
Answer:
Below:
Explanation:
Replication is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell. ... Once the DNA in a cell is replicated, the cell can divide into two cells, each of which has an identical copy of the original DNA.
whenever a cell divides, the two new daughter cells must contain the same genetic information, or DNA, as the parent cell.
Genes from genetically modified corn frequently move to non-genetically modified corn plants because of outcrossing. This is a major concern to ______. Multiple choice question. transgenic crop manufacturers because outcrossing can lead to loss of introduced genes from transgenic plants herbicide manufacturers because of the potential for the evolution of super weeds organic farmers, whose fields are close to transgenic corn, because transgenic crops cannot be certified as organic
This will be a major concern to transgenic crop manufacturers because
outcrossing can lead to loss of introduced genes from transgenic plants.
Outcrossing involves the process of crossing two different breeds thereby
introducing unrelated genetic material into it.
Crop manufacturers will be concerned if the genes from genetically modified
corn frequently move to non-genetically modified corn plants because as time goes on, the trait which made the genetically modified corn will be lost as different variations and more dominant traits will make such traits recessive and lost.
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What is a fishing bed
Item 5
What molecule that is created during photosynthesis provides energy for cellular processes?
ATP
chlorophyll
glucose
oxygen
Answer:
Glucose
Explanation:
Glucose is produced during photosynthesis and it is oxidised during cellular respiration to produce ATP energy.
Answer:
glucose
Explanation:
took test
Which is not a major factor that influences the strength of a rock?
time
rock type
age of rock
temperature
damage to the sinoatrial node in humans would ________.
Answer:
have a decrease in blood pressure
Explanation:
hope it helped<3
mark brainlliest
Damage to the sinoatrial node in humans can result in irregular heartbeats, abnormal heart rhythms, decreased cardiac output, and an increased risk of sudden cardiac arrest. Prompt medical evaluation and appropriate treatment are crucial to manage these effects and maintain a healthy heart rhythm.
Damage to the sinoatrial (SA) node in humans would result in disruptions to the normal electrical conduction system of the heart. The SA node is often referred to as the "natural pacemaker" of the heart because it initiates the electrical impulses that regulate the heartbeat. Here's how damage to the SA node would affect the heart:
1. Irregular Heartbeat: The SA node is responsible for setting the pace of the heartbeat. If it is damaged, the heart may beat too fast, too slow, or irregularly. This can lead to symptoms like palpitations, dizziness, and shortness of breath.
2. Abnormal Heart Rhythms: Without the SA node functioning properly, other areas of the heart may take over the role of generating electrical impulses. However, these impulses may not be coordinated or synchronized, resulting in abnormal heart rhythms such as atrial fibrillation or heart block.
3. Decreased Cardiac Output: The SA node helps regulate the timing of the heart's contractions, ensuring efficient blood flow throughout the body. Damage to the SA node can disrupt this coordination, leading to decreased cardiac output. This means that the heart may not be able to pump enough blood to meet the body's needs, resulting in symptoms like fatigue and weakness.
4. Risk of Sudden Cardiac Arrest: In severe cases, damage to the SA node can increase the risk of sudden cardiac arrest. Without the SA node's ability to regulate the heartbeat, the heart may stop pumping blood effectively, leading to a life-threatening emergency.
5. Treatment Options: Treatment for damage to the SA node depends on the severity and symptoms. In some cases, medication or cardiac devices like pacemakers may be used to regulate the heart's rhythm and ensure proper electrical conduction.
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What is one defining feature of a prokaryotic cell?
have a cell wall outside plasma membrane
cytoplasm surrounds organelles
organelles are not membrane-bound
membrane-bound organelles
Answer:
Here.
Explanation:
Cytoplasm Surrounds Organelles
What invertebrate animals are the ancestors of tetrapods
A)jellyfish
B)cartilaginous fish
C)jawed fish
D)jawless fish
Answer:
D I believe
Explanation:
who developed a theory of evolution identical to darwin’s?
Answer:
Alfred Wallace
Explanation:
Given the number of blood vessels in the retina, why do you suppose that you are not able to see them normally
Answer:
You can't see the blood vessels themselves because vision depends on a process that makes it impossible to see things that are stationary with respect to the retina. Light receptors in the retina respond only to changes in light reaching them, not to a steady image.
Have a great day! :D
transcription starts with ____ and makes ____ with the aid of ____________
Answer:
transcription starts with Initiation/the nucleus/DNA and makes mRNA with the aid of Polymerase RNA enzyme
Explanation:
Transcription is the process in protein synthesis consisting of a starting process of initiation where the nucleus hosts the creation of an mRNA sending the coding message to the ribosome, but the starting process is the Polymerase binding to a site on the DNA strand, then it makes the mRNA through the other steps in transcription.
At each step of the food chain, how much energy is used by the organism and how much is stored in their tissues?
Which of the following is a healthy weight loss strategy?
Answer:
b. Make each of your meals last 20 minutes.
Explanation: is correct answer
Someone help please 20 points
Answer:
2neutral
hydroxide
a) hydronium
hydroxide
b) Hydroxide
hydronium
3pH
14
a) neutral
acidic
basic
b) pH
tenfold
C1) indicator
2)indicator
solution
pH
3) meter
..............BRAINLIST. ........... :)
Almost end of semester, HELP!!
Specialized structures are expressed with the help of mRNA. What role does mRNA play? (5B)
Assisting with replication by producing glucose
Creating bonds to form large polymers
Providing information from DNA that is used to form proteins
Making energy available for cellular activities
Answer:
The answer is C Providing information from DNA that is used to form proteins
Explanation:
i took the test
The statement that demonstrates the role that mRNA play in protein synthesis is as follows:
It provides information from DNA that is used to form proteins.Thus, the correct option for this question is C.
What is Protein synthesis?Protein synthesis may be defined as a type of biological process through which polypeptide chains are formed from coded combinations of single amino acids inside the cell. The process of protein synthesis terminates with the help of two processes:
Transcription.Translation.The process of transcription involves the copying of a DNA sequence of a gene in order to make an RNA molecule. This RNA molecule is known as mRNA which determines the linkage of DNA from the manufacturing of the proteins. This process is carried out in the nucleus of the cell.
While the process of translation involves the synthesis of proteins using the genetic information carried in messenger RNA (mRNA). This process is carried out in the cytoplasm of the cell.
Therefore, the correct option for this question is C.
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Why would you use sodium hydrogen carbonate in an investigation
Answer:
Investigating photosynthesis. The effect of light intensity on photosynthesis can be investigated in water plants. ... Sodium hydrogen carbonate - formula NaHCO 3 - is added to the water to supply carbon dioxide - a reactant in photosynthesis - to the plant.
Explanation:
hope this helps
Which of the following is a reasonable claim the researchers can make based on the data in the graphs?
Answer:
First give the options we can't tell random ir may be wrong give options because in question it is asking which of the following if we say any randomly it becomes wrong.
the principal mineralocorticoid is _____________ that helps regulate levels of _____________ in the blood and body fluids.
Answer:
The principal mineralocorticoid is aldosterone that helps regulate levels of sodium and potassium ions in the blood and body fluids.
Aerobic respiration where does it occur.
Hi can someone plss help me with this!!
Explanation:
4. evaporates , ocean
8. transpiration,
9. acid rain
