The rate of photosynthesis or cellular respiration can be determine by observing the rate at which oxygen is produced or carbon dioxide is produced respectively.
The reaction is an endothermic reaction type because the temperature of the surroundings decreases.
What is the rate of a reaction?The rate of a reaction can be defined as the rate at which reactants are consumed or the rate at which products are formed in a reaction.
The rate of photosynthesis or cellular respiration can be determine by measuring the rate at which oxygen is produce or carbon dioxide is produced .
What is cellular respiration?Cellular respiration is a group of chemical reactions that break down glucose to form ATP, which may be used as energy to power many reactions in the body. There are three steps of cellular respiration: glycolysis, the citric acid cycle, and oxidative phosphorylation.
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what happens after we die?
Answer: Our bodies stay fresh for a short period time, then enter rigor mortis, then began the slow process of decomposition.
Explanation:
Researchers have found that mitochondria and chloroplasts in eukaryotic cells have their own DNA. This DNA is different from the DNA in a eukaryotic cell's nucleus. Chloroplasts and mitochondria use their own DNA and ribosomes to make some organelle-specific proteins.
Answer:
Mitochondria and chloroplast in Eukaryotic cells have their own DNA.
Explanation:
Researchers have found that mitochondria and chloroplasts in eukaryotic cells have their own DNA , they have their own DNA because Chloroplast and mitochondria are subcellular organelles that produces energy for the cells with their own genomes and genetic systems.
Therefore, when dna is replicated, it is transmitted to the daughter cells which produces cytoplasmic inheritance of traits and this is as a result of photosynthesis and respiration by the organelles Chloroplast and respiration.
Imagine that you fill a shallow tray with water and place a drop of red ink in one end of the tray and a drop of green ink in the other end. Which of the following is TRUE at equilibrium?
(A) The red ink is uniformly distributed in one half of the tray, and the green ink is uniformly distributed in the other half of the tray.
(B) The red and green inks are both uniformly distributed throughout the tray.
(C) Each ink is moving down its concentration gradient.
(D) The concentration of each ink is higher at one end of the tray than at the other end.
(E) No predictions can be made without knowing the size of the ink molecules.
When you fill a shallow tray with water and place a drop of red ink in one end of the tray and a drop of green ink in the other end. The following is true at equilibrium is B. The red and green inks are both uniformly distributed throughout the tray.
At equilibrium, the ink molecules will move from the region of higher concentration to the region of lower concentration until the concentration of both the red and green ink is uniform throughout the tray. Therefore, the correct option is (B).Option (A) is incorrect because it predicts that the red ink will be uniformly distributed in one half of the tray, and the green ink will be uniformly distributed in the other half of the tray.
However, at equilibrium, the ink molecules will move towards the region of lower concentration until both the red and green ink are uniformly distributed throughout the tray. Option (C) is incorrect because it suggests that each ink is moving down its concentration gradient. However, both inks are moving down their respective concentration gradients, from regions of higher concentration to regions of lower concentration, until both are evenly distributed throughout the tray.
Option (D) is incorrect because it states that the concentration of each ink is higher at one end of the tray than at the other end. However, both inks will spread out until their concentration is the same throughout the tray. Option (E) is incorrect because the size of the ink molecules is not a relevant factor in this scenario as it does not influence the behavior of ink molecules during diffusion. Therefore, the correct answer is (B) The red and green inks are both uniformly distributed throughout the tray.
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(HELP WANTED AUTOMATIC BRAINLY) Which statement describes how the muscular and skeletal systems cause parts of the body to move?
A. When a muscle relaxes, it causes a bone to shorten.
B. When a bone shortens, it lengthens the muscle attached to it.
C. When a bone bends, it pushes a muscle in the opposite direction.
D. When a muscle contracts, it pulls a bone in one direction.
Answer:
C.
Explanation: Because when a bone does bend the muscles pull back so the bone doesnt dislocate.
The statement describes how the muscular and skeletal systems cause parts of the body to move is when a muscle contracts, it pulls a bone in one direction.
What is skeletal system?The skeletal system is the in charge of all the bones and skeleton of the body. The skeletal system provides structure and strength to the body and protects the soft tissues.
The muscular system and the skeletal system work together as the muscles and bones are connected with each other.
Thus, the correct option is D. When a muscle contracts, it pulls a bone in one direction.
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A heterozygous woman carrying the recessive gene for color blindness marries a man who is red/green color blind. Assume the dominant gene is XC (allelle for normal vision) and the recessive gene is Xc (determines clolr blindeness). The mother's genotype is XCXc and the father's is XcY. What percentage of children will be color blind? What percentage of children will be normal? What will be the genotype of the F1 generation?
Percentage of children to be color blind- 50%
Percentage of children to be normal- 50%
Genotypes of F1 generation: XCXc , XcXc, XCY, XcY
Explanation:
If we cross multiply these genotypes XCXc and XcY, the resulting offspring would be:
XCXc – normal vision female- 25%
XcXc – colorblind female- 25%
XCY – normal male- 25%
XcY- color blind male- 25%
How could a model of meiosis be useful to scientists or to science students?
Answer:
YOUR ANSWER IS
Explanation:
to use a hand on method to develop an understanding of the mechanisim of meiosis using an organisum
What is the difference between cellular respiration and getting energy from a log by burning it?
The stored chemical energy is eventually released during cellular respiration through a sequence of enzyme-aided processes. When a log burns, chemical energy that has been stored is swiftly released as heat and light.
Living cells need respiration, a biological process, to release energy. A chemical reaction called combustion takes place outside of living organisms or cells. A controlled biological process, respiration. It is impossible to control combustion. When there is oxygen present, substances undergo a chemical reaction known as burning, which produces significant amounts of heat and light. Similarities between burning and respiration For the creation of energy, both processes need oxygen. As a byproduct, they emit carbon dioxide. The metabolic process known as respiration is when an organism obtains energy from the breakdown of glucose molecules in the form of ATP molecules.
When compounds are exposed to oxygen, a chemical reaction known as burning takes place.
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Reaction B: 6 A + 6H₂O+ energy --->C6 H₁2O6 +6___B_
What is happening in the reaction above?
A. CO₂
B. O₂
The formation of glucose is the primary objective of the above reaction.
6CO₂ + 6H₂O→C₆H₁₂O₆ + 6O₂; Photosynthesis' Reaction
Photosynthesis is responsible for the formation of food in green plants. It is an endothermic reaction, absorbing the sunlight. Chlorophyll is the main light-trapping element.
Oxygen is produced along with glucose during the reaction. Photosynthetic product is produced in the form of 'glucose', transported in the form of 'sucrose', and stored in the form of 'starch'.
It is one of the prominent methods of carbon-binding in organic matter. Around 4 x 10¹³ Kg of carbon is fixed annually through photosynthesis. Storage of carbon in organic matter is the best solution for excessive carbon emissions.
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Which of the following is not an example of green infrastructure?
OUrban tree canopy
O Permeable pavement
Rainwater harvesting
Streets and parking lots
Answer:
Streets and parking lots
Explanation:
The example that is not an example of green infrastructure from the given options is Streets and parking lots.Green infrastructure refers to the network of natural and semi-natural features, green spaces, and ecological systems in cities and towns. It is an approach to managing stormwater runoff that emphasizes infiltration and the use of natural systems to filter pollutants from water.Green infrastructure helps to manage stormwater, improve air quality, and create healthier urban environments. It includes practices such as urban tree canopy, permeable pavement, and rainwater harvesting. Streets and parking lots, on the other hand, are not examples of green infrastructure.
which is the best explanation of how one neuron passes a message to another? the action potential .
An action potential is a process that involves a rapid change in a neuron's electrical charge, allowing it to send a signal to another neuron.
This process follows these steps:
1. Stimulation causes neurons to depolarize or become more positively charged.
2. This depolarization opens voltage-gated sodium channels, allowing sodium ions to enter the neuron.
3. The influx of sodium ions charges the neuron more positively, creating an action potential.
4. The action potential travels down the axon of the neuron, voltage-gated potassium channels open, and potassium ions exit the neuron.
5. Leakage of potassium ions causes neurons to repolarize or become more negatively charged and return to resting state.
6. The action potential reaches the axon terminal and releases the neurotransmitter into the synapse.
7. Neurotransmitters bind to receptors on the next neuron, causing depolarization and continuing the process.
Overall, action potentials are a key process that allows neurons to communicate with each other and relay messages throughout the body.
An action potential is the process by which one neuron relays a message to another. It begins when the neuron's membrane potential (voltage difference across the membrane) reaches a certain threshold. This causes a rapid influx of ions, and an electrical signal known as an action potential travels down the neuron's axon to its terminal, where it is passed to other neurons or other cells. The best description of how one neuron transmits a message to another is the action potential.
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The molecule that functions as the reducing agent in a redox reaction ___ electrons and ______ energy.
The molecule that functions as the reducing agent in a redox reaction donates electrons and releases energy.
Two species—the oxidizing agent (or electron acceptor) and the reducing agent (or electron donor)—are engaged in a redox reaction (reduction-oxidation) . The species that loses electrons is the reducing agent, whereas the species that obtains electrons is the oxidizing agent.
The reducing agent gives electrons to the oxidizing agent during a redox reaction. As a result of losing electrons, the reducing agent itself undergoes oxidation. Electric current or energy transmission is made possible by this transfer of electrons from the reducing agent to the oxidizing agent.
The reducing agent releases energy while contributing electrons. The energy that is emitted can take on many different forms, including heat, light, or chemical energy. The change in the electrochemical potential energy of the electrons as they move from the reducing agent to the oxidizing agent is what causes this energy.
In general, the reducing agent works by giving electrons to the oxidizing agent while losing its own electrons in the process. This electron transfer causes the electrochemical potential energy to shift, releasing energy that can be used or seen as different types of energy.
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Which of the following describes a symbiotic relationship? a Owl and field mouse b Oak tree and pine tree c Spider and fly d Shark and remora fish
Answer:
SYMBIOTIC RELATIONSHIP: SHARK AND REMORA FISH!Explain how water is used to create electricity.
Answer:
Explanation:Flowing water creates energy that can be captured and turned into electricity.The most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity.
Answer:
Water can be used in a lot of ways, let say that you have a big paddle by a raging river next to you to power your home, this paddle can keeping continuously moving to power that home based off how much that river is going. This is one way that water can be used to make electricity. Hope this helps, Merry Christmas, and have a nice day!
Explanation:
A cirular disk has surface charge denaity 12bC/cm 2
Part A What will the surtace charge density be if the radius of the disk is doubled but its total charge remains the same? Express your answer with the appropeiate unite.
The new surface charge density, when the radius of the disk is doubled but the total charge remains the same, would still be 12 C/cm^2. Surface charge density refers to the amount of electric charge per unit area on the surface of an object.
In order to find the new surface charge density when the radius of a circular disk is doubled while keeping the total charge constant, we can use the formula for surface charge density: Surface charge density = Total charge / Surface area. We calculate the surface area of the original disk using the formula: Surface area = π * (radius)^2. Given that the surface charge density is 12 C/cm^2, we can write the equation: 12 C/cm^2 = Total charge / (π * (radius)^2). Now, if we double the radius of the disk, the new surface area will be: New surface area = π * (2 * radius)^2 = 4π * (radius)^2. Since the total charge remains the same, we can set up the equation: 12 C/cm^2 = Total charge / (4π * (radius)^2). In order to find the new surface charge density, we rearrange the equation: Total charge = 12 C/cm^2 * 4π * (radius)^2. Since the total charge remains constant, we substitute this value into the equation: 12 C/cm^2 * 4π * (radius)^2 = Total charge / (4π * (radius)^2). By canceling out the common terms, we obtain: 12 C/cm^2 * 4π * (radius)^2 = Total charge. Simplifying further, we get: 48π * (radius)^2 = Total charge Therefore, the new surface charge density would still be 12 C/cm^2.
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The diagram shows an energy pyramid.
If the flowers contain 50,000 kcal of energy, about how much energy will the lizard obtain from eating the butterfly?
500 kcal
5,000 kcal
50,000 kcal
500,000 kcal
Answer: I would say 500 kcal
I’m not 100% sure though
Please comment if it’s right!
Answer:
A. 500 kcal
Explanation:
every cunsumer it passes it losses a zero
50,000 flower
5,000 butterfly
500 lizard
Most of the electrons removed from glucose by cellular respiration are used for which of the following processes?
The majority of the electrons extracted from glucose by cellular respiration are used in these processes: "reducing NAD+ to NADH in glycolysis and the citric acid cycle" and "producing a proton gradient for ATP synthesis in the mitochondria". Hence, the correct answer is E.
Electrons from glucose move progressively down the electron transport chain towards oxygen in cellular respiration, going through lower and lower energy levels and releases of energy at every step. Cellular respiration's purpose is to harness that energy into a form of adenosine triphosphate, or ATP.
The citric acid cycle is a sequence of chemical processes that remove high-energy electrons and then utilize them to make ATP in the chain of electron transport. Each cycle generates one adenosine triphosphate molecule or its equivalent.
The mitochondria create the majority of the adenosine triphosphate formed during glucose metabolism via oxidative phosphorylation. This is a complicated mechanism driven by the proton gradient formed by mitochondrial respiration across the inner membrane of the mitochondria.
This question should be provided with answer choices, which are:
A. Reducing NAD+ to NADH in glycolysis and the citric acid cycle.B. Producing a proton gradient for ATP synthesis in the mitochondria.C. Driving substrate-level phosphorylation in glycolysis.D. The second and third answers are correct.E. The first two choices are correct.Since A and B are correct, the answer that is true is E.
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A farmer is analyzing cross sections of his land to determine where to build a well.
Which phrase describes the best area to dig down to the groundwater?
The best area for digging down to the groundwater (in order to construct a well) is where the saturated zone is fifteen meters deep.
The question is incomplete. The complete question is:-
A farmer is examining cross-sections of land owned by him in order to determine the location to construct a well. Which of the following given options describe the best suited area for digging down to the groundwater?
(A) where the saturated zone is fifteen meters deep,
(B) where the water table is at hundred meters deep,
(C)where the unsaturated zone is fifty meters thick,
(D)where there is a layer of clay (twenty-five meters thick) at the surface.
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Answer:
The saturated zone is 15 meters deep
Explanation:
Given a polynucleotide sequence such as GAATTC, can you tell which is the 5' end? If not, what further information do you need to identify the ends?Chargaff's rule about base ratios states that in DNA, the percentages of A and T are essentially the same, as are those of G and C.You can't tell which end is the 5' end. You need to know which end has a phosphate group on the 5' carbon or which has a -OH group on the 3' carbon.In the cell cycle, DNA synthesis occurs during the S phase, between the G1 and G2 phases of interphase. DNA replication is therefore complete before the mitotic phase begins.
To determine the 5' end of a polynucleotide sequence, information about the presence of a phosphate group on the 5' carbon or -OH group on the 3' carbon is necessary. DNA replication takes place in the S phase of interphase, between G1 and G2 phases, and is finished before the mitotic phase.
The 5' and 3' ends of a polynucleotide sequence refer to the positions of the phosphate and hydroxyl groups on the sugar molecules of the nucleotides. Without additional information, it is not possible to determine the 5' end of a polynucleotide sequence such as GAATTC.
To identify the 5' end, one would need to know which end of the sequence has a phosphate group on the 5' carbon or which end has a -OH group on the 3' carbon. In the cell cycle, DNA replication occurs during the S phase, which takes place between the G1 and G2 phases of interphase. DNA replication is complete before the mitotic phase begins.
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What are the 5 chromosome mutations?
The 5 chromosome mutations are given as , duplication, deletions, insertions , inversions, translocation.
1. Duplication: The multiple copies of a chromosome that occur during the duplication process.
2. Deletions - When a nucleotide is removed, the mRNA codons change (the nitrogen bases of a DNA). This will change the makeup of amino acids.
3. Insertions – An insertion is the addition of a new nucleotide.
4. Chromosomal inversions happen when a chromosome fragment breaks off and reattaches in the opposite direction to the same spot.
5. Translocation: This is the splitting in half and moving of two chromosomes.
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This system brings oxygen into the body and rids the body of waste gases. Some organisms use their skin.
After analysing the human body, we got that respiratory system brings oxygen into the body and rids the body of waste gases.
The respiratory system is actually network of organs and tissues that help you breathe. It includes your airways, lungs, and most importantly blood vessels. The muscles that actually power your lungs are also part of the respiratory system. These parts basically work together to move oxygen throughout the body and clean out the waste gases like carbon dioxide.
A ventilation system is basically needed in order to obtain oxygen for living organisms and to get rid of carbon dioxide
Hence , the system which brings oxygen into the body and rids the body of waste gases is respiratory system.
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what happens when the cell cycle is completed incorrectly.
This what happens to the cell cycle is completed incorrectly. Give me Brainiliest
Found in both plant cells and animal cells, the________________surrounds and protects the cell, and allows certain chemicals to enter and exit the cell.
cell wall
cell membrane
cytoplasm
(This is 7th grade science).
Answer:
cell wall
Explanation:
The cell wall is the protective, semi-permeable outer layer of a plant cell
Answer:
cell membrane
Explanation:
cell membrane found in both plant cells and animal cells.
It is the outermost part of animalcell and second layer of plant cells.
Hope this answer help you
The part of the eye that prevent light from reflecting internally and is heavily vascularized to deliver blood to the retina:_______
The part of the eye that prevent light from reflecting internally and is heavily vascularized to deliver blood to the retina: choroid.
What is choroid?The choroid is highly vascularized to provide blood to the retina and contains dark pigmentation to stop light from reflecting inside. Anteriorly, the choroid, ciliary body, and iris are all joined.. The ciliary body muscles regulate the lens's thickness. The iris acts as a diaphragm, changing the pupil's aperture at its center. This regulates how much light is allowed to enter the retina. In strong light, the iris' muscle fibers constrict the pupil to accommodate close vision; in low light, they enlarge it to accommodate far vision. Each individual's iris is a different color.
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Help me please if u can you’ll will get brainlest if ur right
Answer:
3 and 5
Explanation:
What do cells require in order for diffusion to occur across the cell membrane?
A
A concentration gradient.
B
All of the above.
C
The Golgi Apparatus.
D
The use of ATP.
How do clastic rocks get different sizes of particles?
Answer:
Such material, called detritus, consists of fragments of rocks and minerals. When the energy of the transporting current is not strong enough to carry these particles, the particles drop out in the process of sedimentation. This type of sedimentary deposition is referred to as clastic sedimentation.
Answer:
Such material, called detritus, consists of fragments of rocks and minerals. When the energy of the transporting current is not strong enough to carry these particles, the particles drop out in the process of sedimentation. This type of sedimentary deposition is referred to as clastic sedimentation.
Explanation:
How can loss of biodiversity affect human health?
A. New sources of medicines can be gained.
B. Replacement species can be created.
C. Crucial natural food sources can be lost.
D. Resilience to change can increase.
Answer:
C. Crucial natural food sources can be lost.
Explanation:
internet
The body gets its energy to perform work from the ______ energy that is stored in macronutrients and alcohol.
The body gets its energy to perform work from the chemical energy that is stored in macronutrients and alcohol.
Metabolism is defined as the total of all chemical processes necessary to support cellular activity and hence the existence of an organism. Metabolism is classified as catabolism, which refers to all metabolic activities involved in molecular breakdown, or anabolism, which comprises all metabolic processes involved in the formation of larger molecules.
In general, catabolic activities generate energy whereas anabolic processes absorb energy. Transfer of energy and matter movement are the overall aims of metabolism. Energy is converted from meal macronutrients into cellular energy, which is needed to conduct cellular activities. Metabolism is the process by which macronutrient matter is converted into compounds that cells may use to grow and reproduce, as well as waste products.
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The complete question is, " Fill in the blanks. The body gets its energy to perform work from the ______ energy that is stored in macronutrients and alcohol."
Explain Directional selection
I need some help please
Answer:
directional selection, is a mode of negative natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.
According to Darwin’s theory of natural selection Why do species evolve over time
Answer:
According to Darwin, species evolve because those with undesirable or dangerous traits don't reproduce as much or die before they can reproduce. This causes the organisms with the most desirable traits that allow for higher reproduction or survival rates (which go hand in hand) to pass those traits on until they eventually evolve into a different species.