To replenish the photosystem II's lost electrons, water splits into oxygen, hydrogen ions, and electrons in the reaction that is light-dependent.
What role of water in light dependent reactions?Water not only creates oxygen, but also hydrogen ions and electrons. NADPH (nicotine adenine dinucleotide phosphoric acid in its reduced form) and ATP are created using the electrons and protons (adenosine triphosphate).
Additionally, ATP is created to be used in the light independent reactions as hydrogen ions flow through ATP synthase.
Chlorophyll absorbs solar energy during the light-dependent reactions that occur at the thylakoid membrane and then uses water to change it into chemical energy.
As water is broken down, oxygen is released as a consequence of the light-dependent reactions.
Therefore, Energy storage and electron donor/carrier molecules include ATP and NADPH.
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The majority of mass in living things come from 6 elements. From the options below select 4 elements that are most commonly found in a living things.
A.) Sodium
B.) Sulfur
C.) Nitrogen
D.) Chlorine
E.) Potassium
A group of paleontologist were studying sedimentary rocks in the Rocky Mountains of North Carolina . What order of organisms would they find in the layers of these sedimentary rocks
If the na+ voltage-gated channels in a muscle cell open, what will be the result?
Trichotillomania is an obsessive-compulsive-related disorder that has _____ as the main symptom.
Answer:
The main symptom is hair-pulling, usually of the scalp, eyelashes, and eyebrows.
I myself have trichotillomania so I personally know what it´s like.
The noble gas present in relatively large concentrations in the atmosphere is
The noble gas present in relatively large concentrations in the atmosphere is Argon. It makes up about 0.93% of the Earth's atmosphere and is the most abundant among the noble gases.
Explanation:The noble gas that is present in relatively large concentrations in the atmosphere is Argon (Ar). This is because Argon makes up about 0.93% of the Earth's atmosphere, making it the most abundant noble gas. The noble gases are typically unreactive due to their full electron shells and include Helium, Neon, Argon, Krypton, Xenon, and Radon. Of these, Argon is the most common in our atmosphere due to its stability and the fact that it is produced in significant quantities through the radioactive decay of Potassium-40.
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Used medically, narcotics are _____ habit forming.
Narcotics used medically are highly habit-forming and can lead to drug addiction.
Explanation:Narcotics, when used medically, are highly habit-forming. They can lead to drug addiction, which is the compulsive use of a substance despite negative consequences that may arise from such use. Prescription pain relievers like oxycodone and vicodin, as well as illegal drugs like heroin, are examples of narcotics that have the potential to cause addiction.
A group of students is trying to guess which organism their teacher is thinking of by asking her a series of questions. One of the students asks if the cells of the organism contain ribosomes. Will the teacher's answer help her students shorten the list of possible organisms?
Answer:
Explanation:
I don't think so that teacher's answer going to help her students in shorten the list because every living organism on this planet is composed of cells and cells of organism contain small organelle. For example, Elephant contain these small organelle and even single celled organism such as prokaryotic cell also contain this small organelle within it's cell.
What happens to the electronegativity as you go down a column or group?
What are the parts of a neuron? what is the main function of the neuron, and which special neuron parts help with this? neuropsychology?
Neurons have three parts that carry out the information and integrations and these three are dendrites, axons, and axon terminals. The key function of the neuron is to send, receive, and infer information from the body. The special neurons - axon sends info away and the dendrites receive.
Is a prosthetic group present in several components of the electron transport chain?
The answer is true. The prosthetic group is present in several components of the electron transport chain. The complexes one, two and three can have a presence of prosthetic group in which is being referred to as the iron sulfur clusters.
What kind of inhibitor is a transition state analog usually classified as? noncompetive inhibitor?
A transition state analog is classified as a competitive inhibitor, not a noncompetitive inhibitor, because it competes with the substrate by structurally mimicking its transition state during an enzyme-catalyzed reaction.
Explanation:A transition state analog is commonly classified as a type of competitive inhibitor. This is because it structurally mimics the transition state of a substrate during an enzyme-catalyzed reaction. It competes with the substrate by binding to the active site of the enzyme, thereby inhibiting the enzyme and slowing down the reaction rate.
Essentially, it's not a noncompetitive inhibitor because a noncompetitive inhibitor changes the shape of the enzyme's active site by binding elsewhere, thereby preventing the substrate from binding.
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The property of the cell membrane that allows some molecules to pass and not others is called
In adults, ________ marrow fills the central canal of long bones, and ________ marrow is found in the epiphyses of long bones
____ are the cells in the nervous system that interconnect information processes. neuron dendrite pons
Two football players are running toward each other. One football player has a mass of 105 kg and is running at 8.6 m/s. The other player has a mass of 90 kg and is running at –9.0 m/s.
The momentum of the system after the football players collide is
kg • m/s.
Answer:
93 kg m/s
Explanation:
keep it simple, and correct :)
how is protein different from carbohydrate
Answer:
Proteins:
Proteins are composed of amino acids (which contain hydrogen, oxygen, sulfur, nitrogen, and carbon). They are also known as building blocks because they are mainly used for building the structure of the body. Proteins are the raw material that is used to maintain (buildup) healthy body cells and function properly.
Carbohydrate:
Carbohydrate is an organic compound (which contains carbon, hydrogen, and oxygen). carbohydrate is composed of sugar. They are mainly needed by the body for energy. Carbohydrates main purpose is to provide fuel to the body.
In the offspring resulting from an f1 testcross, what percentage of recombinant phenotypes is expected if the genes under study are independently assorting?
Give an example of a type of cell in a living organism (animal or plant) that is shaped very differently than the classical round or boxy shape that you see drawn in introductory textbook chapters on cells. explain how that unique shape is tied to the function that those cells perform.
The shapes of nerve cells, red blood cells, and sperm cells are intricately tied to their functions in transmitting nerve impulses, transporting oxygen, and fertilization, respectively. Pollen grains' spiky surfaces aid in pollination, while white blood cells' ability to change shape is crucial for immune responses.
Explanation:Unique Cell Shapes and Their Functions
Cells with unique shapes are perfectly adapted for their specific functions within living organisms. A prime example is the nerve cell or neuron, which has a complex, star-like shape with long extensions known as axons and dendrites. These processes allow neurons to transmit nerve impulses over long distances and communicate with numerous other cells, coordinating the body's responses to environmental stimuli. Another distinct cell shape is found in red blood cells, which have a biconcave disc shape. This unique form increases the surface area for oxygen transport and enables the cells to bend as they pass through the smallest blood vessels. Likewise, sperm cells have a long, flagellated tail that assists in their motility, enabling them to navigate through the female reproductive tract to reach the egg for fertilization.
Pollen grains have evolved with spiky surfaces that increase adhesion to insects, facilitating cross-pollination as insects travel from flower to flower. Additionally, the white blood cells, responsible for immune responses, can change shape to engulf pathogens, a process called phagocytosis. Algae cells often have tail-like projections that allow them to swim through water, enhancing their reproductive success and distribution.
All these examples underscore the biological principle that the form of a cell is intricately linked to its function, whether in nerve communication, oxygen transport, reproduction, pollination, immune defense, or motility. This diversity in morphology illustrates the specialization and complexity of cells in multicellular organisms.
Why are carbon dioxide concentrations expected to increase?
a. Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase.
b. Carbon dioxide concentrations are expected to increase, because of an increase in agriculture.
c. Carbon dioxide concentrations are expected to increase, because more land will have to be cleared for increasing populations and agricultural use.
d. All of the above
The correct option is (d). Carbon dioxide concentrations are expected to increase because fossil fuel burning is expected to increase, an increase in agriculture, & more land will have to be cleared for increasing populations and agricultural use.
Carbon dioxide (CO₂) concentrations are anticipated to rise due to multiple factors.
The burning of fossil fuels for energy, transportation, and industry releases large amounts of CO₂, significantly contributing to greenhouse gas emissions. Increased agricultural activities, including livestock farming and rice paddies, produce methane and CO₂. As populations grow, more land is cleared for agriculture and urban development, leading to deforestation. Trees and plants absorb CO₂, so their removal means reduced CO₂ sequestration and more CO₂ in the atmosphere. Collectively, these factors exacerbate the greenhouse effect, trapping heat and contributing to global warming.Addressing these issues requires integrated strategies, including transitioning to renewable energy sources, improving agricultural practices, and promoting reforestation and sustainable land use.
written description of how carbon moves through the biosphere, atmosphere, hydrosphere, and geosphere.
what region of the brain is responsible for complex thinking such as memory, speech, emotion, planning, and reasoning
Cyanobacteria can make their own food because they contain what
Unscarable this word
Prhhlllooyc
A nurse is caring for a pregnant client in her second trimester of pregnancy. the nurse educates the client to look for which danger sign of pregnancy needing immediate attention by the primary care provider
Is the cell wall or cell membrane composed of two layers of lipids and proteins?
In what type of organisms can genetic information flow from rna to dna?
If planets do not produce their own light, how are we able to see mars and Venus in the night sky
Most stars have planets moving around them. Planets are round objects that orbit a star. They don't create their own light. They only reflect light from stars.
Reflect - to bounce back
All cells, prokaryotic and eukaryotic, have a few common features. which cell feature is found in both prokaryotic and eukaryotic cells?
Prokaryotic and eukaryotic cells, despite their differences, share four common structures: a plasma membrane, cytoplasm, genetic material (DNA and RNA), and ribosomes.
Explanation:Prokaryotic and eukaryotic cells, despite their differences, share a few common structures or features. The four common structures present in both prokaryotic and eukaryotic cells are: the plasma membrane, which functions as a barrier for the cell; the cytoplasm, which is the jelly-like substance inside the cell; genetic material (DNA and RNA) that provides the genetic blueprint for the cell; and ribosomes where protein synthesis takes place.
For instance, both eukaryotic cells (like animal and plant cells) and prokaryotic cells (like bacterial and archaean cells) have these features. Irrespective of the cell category - cocci (spherical), bacilli (rod-shaped), or spirilli (spiral-shaped) for prokaryotes, or the variety of shapes and types in eukaryotes, this consistent characteristic persists.
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The discoveries of these men lead to development of what theory?
The discoveries by Greek scientists led to the development of the atomic theory, which was later empirically proven with modern chemistry. Other significant contributions during the Enlightenment and modern era, including Darwin's theory of evolution, also represent major developments in science that were influenced by observation and theoretical framework.
Explanation:The discoveries made by Greek scientists, and their use of inductive reasoning to create theories based on observations of natural phenomena, were essential in the development of the atomic theory. This theory, initially proposed by Greek philosophers Leucippus and Democritus, suggested that everything is made up of tiny particles called atoms. Although it took centuries and the advent of modern chemistry for the atomic theory to be empirically proven, these early contributions paved the way for our current understanding of matter and its composition.
In addition to atomic theory, other scientific and philosophical advancements during the Enlightenment and modern era, including Charles Darwin's theory of evolution, have been fundamental in shaping the scientific field. Whereas Darwin's work provided a systematic explanation for the existence of fossils and biological adaptation, setting the groundwork for modern biology and genetics. Collectively, these historical scientific achievements demonstrate the power of observation and theory in advancing human understanding of the natural world.
A 39-year-old woman was the victim of a violent assault 1 year ago and, in the ensuing period, has developed the symptoms of posttraumatic stress disorder (ptsd). additionally, she has become heavily dependent on alcohol and required multiple visits to the emergency department for alcohol poisoning. what category of dual diagnosis does this client exhibit?
Science has shown how information can only be gathered by the known laws of physics and chemisty.
true or false