what would happen to their carbon fixation if photosynthetic cells were kept in darkness after they have spent few days in the presence of light?
Answers
If photosynthetic cells are kept in darkness after spending a few days in the presence of light, their carbon fixation would decrease or stop entirely.
This is because photosynthesis requires light as a source of energy to drive the process, and without light, the cells cannot produce the necessary energy to fix carbon. During photosynthesis, light energy is used to convert carbon dioxide and water into organic compounds, such as glucose, that can be used by the plant for energy and growth. This process is known as carbon fixation. However, in the absence of light, the photosynthetic machinery cannot operate, and carbon fixation stops.
After a few days in darkness, the photosynthetic cells may also begin to use up their stored energy reserves, such as starch and sugars, further reducing their ability to fix carbon. As a result, the cells may eventually die or become dormant until light is once again available to drive photosynthesis.
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If photosynthetic cells were kept in darkness after they have spent a few days in the presence of light, their carbon fixation would decrease significantly. This is because photosynthesis relies on light energy to convert carbon dioxide into organic compounds. In the absence of light, the photosynthetic machinery would not be able to function and the cells would have to rely on alternative energy sources such as stored carbohydrates or other organic compounds. However, over time, these energy reserves would be depleted and the cells would eventually die. Therefore, it is essential for photosynthetic cells to have access to light in order to maintain their carbon fixation and ensure their survival.
If photosynthetic cells are kept in darkness after spending a few days in the presence of light, their carbon fixation would decrease significantly. This is because carbon fixation, which occurs in the first stage of photosynthesis known as the light-independent or Calvin cycle, relies on energy (ATP) and reducing power (NADPH) generated by the light-dependent reactions. In the absence of light, the light-dependent reactions cannot produce the necessary ATP and NADPH, thus limiting the carbon fixation process in photosynthetic cells.
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Related Questions
What type of consumer do you think this coyote is? Can you tell from the photo that the coyote is not an omnivore
Answers
Answer:
A coyote is a tertiary consumer.
Like secondary consumers, their diet may also include some plants.
Which of the following is NOT a basic concept of fluid and electrolyte balance? a) The body content of water and ions rises and falls with dietary intake and outflow. b) There are no receptors to monitor fluid or electrolyte balance. c) Cells cannot move water by active transport. d) All homeostatic mechanisms respond to changes in the ICF.
Answers
The correct answer to this question is option b) There are no receptors to monitor fluid or electrolyte balance. This statement is false as the body has various receptors that constantly monitor and regulate fluid and electrolyte balance to maintain homeostasis.
The other options are true basic concepts of fluid and electrolyte balance. The body content of water and ions is regulated by dietary intake and outflow, cells can move water by active transport, and all homeostatic mechanisms respond to changes in the intracellular fluid (ICF) to maintain balance. Understanding these concepts is crucial in maintaining proper fluid and electrolyte balance, which is vital for various bodily functions and overall health.
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What is the main way that fossil fuel use impacts the environment?A. water useB. invasive speciesC. global climate changeD. soil degradation
Answers
During the burning of fossil fuels, a greenhouse gas is discharge into the air which trap the heat in the atmosphere. This results to global warming.
Answer - C. global climate change
What type of code do digital devices use that involves 0s and 1s?
Answers
Digital devices use binary code, which involves 0s and 1s, to represent information. Binary code is a system of encoding data using only two digits, 0 and 1.
These digits are used to represent the presence or absence of an electrical signal, which is interpreted by digital devices as a specific piece of information. For example, in computer memory, a 0 might represent the absence of an electrical charge, while a 1 represents the presence of a charge.
Binary code is the foundation of all digital technology, including computers, smartphones, and other digital devices, as it provides a universal language for representing and processing information in a way that can be easily understood and manipulated by electronic devices.
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8. Write down the definition for the term "cross section” ?
Answers
Please help I don’t know what to put
Answers
Around 50,000 rainforest species go extinct every year.
true
false
Answers
The given statement is True....sadly
6. The mouth, stomach, and small intestine are
organs that function in digestion, which
involves _______?
ebook.
Answers
Answer: physical and chemical breakdown of food
Explanation:
D
Question 1
A variable is something that can be changed in an experiment. Look on the SIMULATION pane.
What are the three variables you can change in your laboratory?
Predict: Which of these variables do you think will have the greatest effect on the aliens? Why?
Get the Gizmo ready:
.
Click Reset.
Select the BAR CHART tab.
Turn on Show numerical values.
Observe: Change the Light to 0 hours/day, the Water to 1 drops/hr, and the to 0 °C. Click Play, and
observe the aliens until the numbers are stable. Click Pause.
1. How many of each type of alien are there now?
.
O Thin: 50 Medium: 25 Thick: 25
O Thin: 20 Medium: 80 Thick: 0
15 pts
O Thin: 0 Medium: 80 Thick: 20
Thin: 2 Medium: 8 Thick: 90
Answers
The variable with the greatest effect on the aliens is the temperature. When the temperature is set to 0 °C, all of the thin aliens die off and the medium aliens thrive, while the thick aliens remain unchanged.
What is temperature?Temperature is a measure of the thermal energy of a system, which can be expressed in terms of the average kinetic energy of the atoms or molecules in a system. Temperature is closely related to the concept of heat, which is a measure of the total thermal energy of a system. Temperature is a physical quantity that is typically measured with a thermometer, and is expressed in units such as degrees Celsius (°C), degrees Fahrenheit (°F), or Kelvin (K). Temperature is an important factor in many scientific and engineering processes, and is often used to indicate the level of activity or reaction within a system. Temperature can also be used to indicate the rate of diffusion of a particle or substance, and has been used to measure the speed at which a particular process is occurring.
This demonstrates the effect temperature has on the different types of aliens, as the thin aliens are more sensitive to changes in temperature than the medium and thick aliens.
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what are some of the organs involved in the respiratory system
Answers
Answer:
Respiratory system organs: Lungs, trachea, Nose
Explanation:
How is the Respiratory system helpful.The Respiratory system helps your help take out carbon dioxide and take in oxygen.
What's the Respiratory System.It's a system of organs and tissues that help you breathe.
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Building Vocabulary: Chemical Bonds and Reactions 3 of 10 Reset Help chemical reaction 1. The equation shows a the breaking and forming of chemical bonds that leads to a change in the composition of matter 2. In the equation, CO2 is a 3. in the equation, CH120% isa reactant product nonpolar covalent bond polar covalent bond equal to different from hydrogen bond . In O2, the type of bond that holds the two oxygen atoms together is a 5. In H20, the type of bond that holds one of the hydrogen atoms to the oxygen atom is a 6. The number of oxygen atoms on the left side of the equation is oxygen atoms on the right side the number of
Answers
When there is an electronegativity gap between the two atoms of 0.0 to 0.4, a non-polar covalent bond is created.
A polar covalent bond forms when the electronegativity difference between the two atoms is larger than 0.4 but less than 1.8.
When the difference in electronegativity is at least 1.8, an ionic connection is created.
C6H12O6 is formed from 6 CO2 and 6 H2O.
This indicates that the new products are created as a result of the reactants' altered chemical makeup.
Thus, the equation illustrates a chemical reaction that results in a change in the chemical composition of matter via the breaking and building of chemical bonds.Additionally, CO2 is a product in the above equation.The reactant in the equation is C6H12O6.A non-polar covalent link is the kind of connection that binds both two oxygen atoms in O2.A polar covalent link is the kind of binding than holds one of several hydrogen atoms toward the oxygen atom in the compound H2O.There are exactly as many oxygen atoms here on left as there are on the right side of the equation.To know more about electronegativity visit:
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The complete question is-
The equation shows a __________ --the breaking and forming of chemical bonds that leads to a change in the composition of matter.
Sheryl is observing ovarian slides taken from a female ape. All the cells show crossover chromosomes. What is this stage?
A.
meiotic prophase I
B.
meiotic prophase II
C.
meiotic metaphase
Answers
The ovarian slides taken from the female ape will show crossover chromosomes in (A) meiotic prophase I.
Crossing over is the event that occurs during Prophase of Meiosis I. During this event, the exchange of genetic material occurs between two non-sister chromatids of two homologous chromosomes. This occurs to produce the recombinants having genotype different from both the parents.
Meiotic Prophase I is the longest and most complex phase of Meiosis. The phase is further divided into stages. These are: Leptotene. Zygotene. Pachytene, Diplotene and Diakinesis. Many of the crucial events of Meiosis like synapsis formation, recombination, etc. occur in this phase.
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Pathogens grow best in food with
High acidity
Low acidity
Answers
Pathogens grow best in food with High acidity
Bacteria thrive best in foods with the highest acidity?Bacteria can survive in both hot and cold environments, but they thrive in a warm, moist, protein-rich environment that is pH neutral or slightly acidic. There are, however, exceptions.
Some bacteria thrive in severe heat or cold, while others can survive in extremely acidic or salty environments.
Bacteria are neutrophils in general. They thrive at pH levels near to 7.0. Alkaliphiles are creatures that thrive at pH levels between 8 and 10.5.
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Which of these pairs does not correctly match a carbohydrate with its function?
Answers
Of the available options, the first one states that cellulose is a structural part of the hair, this is not correct for several reasons, first cellulose is a biopolymer characteristic of cellular walls in plants, and it's not present in animal cells, secondly human hair is formed mainly of keratin a protein, therefore their basic units are amino acids, not carbohydrates. Therefore taking this into consideration, the correct answer is option 1.
A pathogen that has its own DNA, but relies on other organisms to replicate that DNA
for them, is called what?
Fungus
Parasite
Virus
Bacteria
Answers
Answer:
I’m pretty sure that it is viruses!
Explanation:
What term is used to describe how well an organism functions in its
environment?
OA. Selection
OB. Fitness
OC. Evolution
OD. Variation
SUBM
Answers
Answer: A. Selection
Explanation:
how many eyes does one human supposed to have ?
Answers
Answer:
i believe it is 2 there can be exceptions though xD
Chaperone proteins bind to mis-folded proteins to promote proper folding. To recognize misfolded proteins, the chaperone protein binds to: The signal sequence at the N-terminus of the misfolded proteinMannose-6-phosphate added in the GolgiPhosphorylated residues Hydrophobic stretches on the surface of the misfolded protein
Answers
Chaperone proteins recognize misfolded proteins by binding to hydrophobic stretches on the surface of the misfolded protein.
Chaperone proteins are specialized proteins that assist in the proper folding of other proteins. They do this by recognizing and binding to misfolded proteins and helping them adopt their correct three-dimensional structure. The chaperone protein achieves this recognition by identifying hydrophobic stretches on the surface of the misfolded protein. These hydrophobic regions are typically buried within the core of the properly folded protein, so their exposure on the surface is an indication of misfolding. By binding to these hydrophobic stretches, chaperone proteins can prevent the misfolded protein from aggregating or becoming toxic, and facilitate its refolding into its native structure.
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A patient is having an issue absorbing sugars from the fruit in their diet, the doctor thinks they may have an issue producing enzymes which break down the sugars. What would be a good way of testing this hypothesis? Question 15 options: Increase their carbohydrate intake Remove all protein from the patients diet Put them on a low fat diet Provide the patient with an enzyme supplement.
Answers
Answer: Provide the patient with an enzyme supplement
Explanation:
Pick an everyday activity and describe how the body systems work together to allow you to accomplish this everyday activity.
Answers
Explanation: When you run, your respiratory system changes your breathing speed rapidly and drastically. Your lungs work harder to store oxygen you need to keep running with your muscles. With the respiratory system supporting your muscles, this allows the muscular system, which in this case are your leg muscles, to effectively run smoothly. (Sorry if this may not be the best answer, but this was what I first thought of. I hope it helped though!)
Example: An everyday activity is running.
Explanation: When you run, your respiratory system changes your breathing speed rapidly and drastically. Your lungs work harder to store oxygen you need to keep running with your muscles. With the respiratory system supporting your muscles, this allows the muscular system, which in this case are your leg muscles, to effectively run smoothly. (Sorry if this may not be the best answer, but this was what I first thought of. I hope it helped though!)
FILL THE BLANK. the intermediates in fatty acid synthesis are linked through a ________linkage to acp.
Answers
The intermediates in fatty acid synthesis are linked through a thioester linkage to ACP (acyl carrier protein).
Synthesis refers to the process of combining different elements, compounds, or components to create a new, more complex entity. It is a fundamental concept in chemistry, biology, and various scientific disciplines. In chemistry, synthesis involves the creation of new substances through chemical reactions, where reactants react and form products. Organic synthesis, for example, focuses on the construction of organic compounds from simpler starting materials. In biology, synthesis refers to the production of complex molecules, such as proteins, nucleic acids, and carbohydrates, through biochemical processes within cells. Synthesis plays a crucial role in understanding the structure, function, and development of biological systems and the creation of novel materials and compounds for various applications.
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What is the selective advantage to having increased pigmentation (darker skin) near the equator?
Answers
Answer:
The selective advantage to having increased pigmentation (darker skin) near the equator is protection from the harmful effects of UV radiation. UV radiation can cause DNA damage and increase the risk of skin cancer. Darker skin has more melanin, which helps to absorb and dissipate UV radiation, reducing the risk of DNA damage and skin cancer. In addition, darker skin may also help to regulate body temperature in hot and sunny environments by reducing the absorption of heat from sunlight. Therefore, individuals with darker skin are better adapted to living in regions with high levels of UV radiation, such as the equator.
Answer:
The selective advantage of having increased pigmentation, or darker skin, near the equator is primarily related to protection against harmful ultraviolet (UV) radiation from the sun. Darker skin contains higher levels of melanin, a pigment that absorbs and scatters UV rays before they can penetrate deeper layers of the skin and cause damage to DNA. This protection is especially important in regions near the equator where UV radiation is more intense due to the angle at which the sun's rays hit the earth's surface.
Explanation:
Follow and ask for help thanks.
Consider the equilibrium system below.
Upper N upper H subscript 4 upper H upper S (s) double-headed arrow upper N upper H subscript 4 upper C l (g).
If the system is at dynamic equilibrium, which statement is true?
Sublimation of the NH4CI crystals stops.
Solidification of the NH4CI vapors stops.
The rate of sublimation of the NH4CI crystals is equal to the rate of solidification of the NH4CI vapors.
The rate of sublimation of the NH4CI crystals is higher than the rate of solidification of the NH4CI vapors.
Answers
Option C is the correct answer. The rate of sublimation of the NH₄CI crystals is equal to the rate of solidification of the NH₄CI vapors.
The left side of the equation shows solid NH₄CI. The right side shows gas NH₄CI. Thus, the equation represents the equilibrium of compound NH₄CI.
How rate of sublimation is equal to rate of solidification?Sublimation is the change of a substance directly from the solid state to the gas state without passing through the intermediate liquid phase.
Solidification is a process in which atoms are converted into an ordered solid state from a liquid disordered state.
Dynamic Equilibrium is defined as the state in a given system in which the reversible reaction takes place. Here the reactants stop converting into products but movement of particles keeps taking place.
In equation given in question,
NH4Cl (s) = NH4Cl (g)
The left side of the equation shows solid NH₄CI. The right side shows gas NH₄CI.
Thus, the equation represents the equilibrium of compound NH₄CI.
The change from solid state to gas state is represented by the forward reaction (from left to the right). It is named sublimation.
The change from vapors to crystals (named deposition) is represented by the reverse reaction (from right to left). It us named solidification.
Thus, the rate of sublimation of the NH₄CI crystals is equal to the rate of solidification of the NH₄CI vapors (option C).
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The prefix "hypo" means
Answers
Answer:
low, under, beneath, down, or below normal
The prefix "hypo" means low, under, beneath, down, or below normal, having the opposite meaning from hyper.
How prefix "hypo" is used?Hypoglycemia is a state the condition in which your blood sugar (glucose) level in the body is lower than the standard range. In the Hypoglycemia word hypo describe the lower condition and glycemia suggest the glucose level.
While Hyperglycemia is a state the condition in which your blood sugar (glucose) level in the body is higher than the standard range, In Hyperglycemia word hyper describes the higher condition, and glycemia suggests the glucose level.
The word prefix is used in the front of the root word, to state the condition of that word.
Therefore, "hypo" means low, under, beneath, down, or below normal.
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Describe at least two advantages to using composite boards for construction projects.
Answers
Answer:
1: Reduced weight/high strength to weight ratio
2: High strength to weight ratio
3: Strong/durable/flexible
Explanation:
Honestly I just looked it up but I got them from construction websites so they should be correct. Hope this helps!
During strenuous exercise, the heart rate of an individual normally increases. Which factor is being regulated by this increase in heart rate?
A.water
B.oxygen
C.ammonia
D.temperature
Answers
Answer:
Increased heart rate, during strenuous exercise, helps to regulate the oxygen reaching the tissues.
Explanation:
Physical exercise implies an increased effort of the muscles, increasing the energetic demand and the substrate to produce more energy.
Both glucose and oxygen are needed by the muscle tissue during physical exercise, so the increased heart rate ensures the supply of oxygen to that tissue.
Therefore, an increase in heart rate contributes to the regulation of oxygen, whose requirements by the muscles increase with exercise.
Other options are not correct because:
A and C. Water and ammonia regulation is done at the renal level.
D. Regulation of temperature depends on the thermoregulatory center of the nervous system.
PLZ HELP ME
Describe what they are and how it works.
Tidal power
Ocean thermal energy conservation
Hydrogen fuel
Fuel cell
Energy Efficiency: give an example
Hybrids: give an example
Cogeneration
Energy conservation: give an example
Answers
Answer:
tidal power
Tidal power or tidal energy is harnessed by converting energy from tides into useful forms of power, mainly electricity using various methods. Although not yet widely used, tidal energy has the potential for future electricity generation. Tides are more predictable than the wind and the sun.
Ocean thermal energy conservation
Ocean Thermal Energy Conversion (OTEC) is a marine renewable energy technology that harnesses the solar energy absorbed by the oceans to generate electric power. ... OTEC uses the ocean's warm surface water with a temperature of around 25°C (77°F) to vaporize a working fluid, which has a low-boiling point, such as ammonia.
hydrogen fuel
Hydrogen fuel cells produce electricity by combining hydrogen and oxygen atoms. The hydrogen reacts with oxygen across an electrochemical cell similar to that of a battery to produce electricity, water, and small amounts of heat. Many different types of fuel cells are available for a wide range of applications
fuel cell
Fuel cells work like batteries, but they do not run down or need recharging. They produce electricity and heat as long as fuel is supplied. A fuel cell consists of two electrodes—a negative electrode (or anode) and a positive electrode (or cathode)—sandwiched around an electrolyte.
Energy Efficiency
Energy efficiency simply means using less energy to perform the same task – that is, eliminating energy waste. Energy efficiency brings a variety of benefits: reducing greenhouse gas emissions, reducing demand for energy imports, and lowering our costs on a household and economy-wide level.
Hybrids
a hybrid is the offspring resulting from combining the qualities of two organisms of different breeds, varieties, species or genera through sexual reproduction.
Bovid Hybrids. Zubron - hybrid of domestic cattle and european bison
cogeneration
Cogeneration—also known as combined heat and power, distributed generation, or recycled energy—is the simultaneous production of two or more forms of energy from a single fuel source. Cogeneration power plants often operate at 50 to 70 percent higher efficiency rates than single-generation facilities
Explanation:
Instructions for the traits of an organism are coded in an arrangement of
Answers
Answer:
Is bases in DNA in the nucleus
Explanation:
I hope this helped you ;)
Describe in your own words how proteins are made from DNA
Answers
Answer:
I think they are made from DNA, because they are able to be in your body without causing problems. Your body knows what it can handle and the proteins match with your body's ways.
Explanation:
Why do we accept the theory of life from Miller and Urey?
Answers
Miller and Urey experiment tried to recreate the primitive atmospheric conditions earth had when it was completely abiotic (deovid of any form of life). Their results, showed that with the putative composition of inorganic compounds, plus a source of energy (like lighting) the emergence of organic compounds was likely. With this result, it was suggested that after millions of years of interacting organic molecules (olds and new ones) lipids and proteins would eventually arise. This experiment is not perfect, and has many assumptions (potentially drawbacks), but showed that organic compounds (the chemical basis of life) could emerge from quite simple components.