What is photosynthesis​

answer:

False. Blood clotting is an example of negative feedback since the effector's action opposes the stimulus, thereby reducing or reversing the original response.

Answer:

When sulfurous, sulfuric, and nitric acids in polluted air and rain react with the calcite in marble and limestone, the calcite dissolves. In exposed areas of buildings and statues, we see roughened surfaces, removal of material, and loss of carved details. Stone surface material may be lost all over or only in spots that are more reactive.

Explanation:

You might expect that sheltered areas of stone buildings and monuments would not be affected by acid precipitation. However, sheltered areas on limestone and marble buildings and monuments show blackened crusts that have peeled off in some places, revealing crumbling stone beneath. This black crust is primarily composed of gypsum, a mineral that forms from the reaction between calcite, water, and sulfuric acid. Gypsum is soluble in water; although it can form anywhere on carbonate stone surfaces that are exposed to sulfur dioxide gas (SO2), it is usually washed away. It remains only on protected surfaces that are not directly washed by the rain.

Answer:

Auxins

Explanation:

Auxin is a plant hormone that has to do with both leaf and fruit fall.

With these features, Tiktaalik could be best described as a transitional form. The correct option to this question is 3.

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Answer:

i think its increase in precipitation

The cerebral cortex is organized into six well-defined layers.

The cerebral cortex, which is the outer layer of the brain responsible for higher cognitive functions, is organized into distinct layers based on the arrangement and distribution of different cell types. These layers are commonly referred to as cortical layers.

The correct answer is option d. six, as there are six well-defined layers within the cerebral cortex. These layers are numbered from the outermost layer (layer I) to the innermost layer (layer VI). Each layer has its own specific cellular composition and connectivity patterns.

These layers play essential roles in processing and integrating information within the cerebral cortex. Different layers are associated with specific functions and are involved in various aspects of sensory perception, motor control, cognition, and memory formation. The specific organization and interactions between the layers contribute to the complex information processing capabilities of the cerebral cortex.

Understanding the layered organization of the cerebral cortex is fundamental in studying brain anatomy, development, and function, as it provides insights into the intricate architecture and functional specialization of this vital brain region.

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It should be Cataracts that block

transmission of light into the eye(A)

Explanation: It should be A because Cataracts can affect your color vision it makes some of the hues a little faded and it makes it into a different color.

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Answer: Fungi can be single celled or very complex multicellular organisms.

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Tryptophan inhibits self-production as it builds up by activating the repressor protein, which binds to the operator and prevents transcription. Tryptophan synthesis enzymes are not produced.

This repressor-tryptophan complex binds to the trp operator when tryptophan is abundant. The operon is not transcribed because this binding prevents RNA polymerase from binding. On the other hand, the operon is transcribed when tryptophan levels drop because the repressor is unable to bind the operator.

An essential amino acid is tryptophan.

Three enzymes are responsible for the biosynthesis of the tryptophan enzyme.

The 5 structural genes that code for the enzymes are as follows:

1. TrpE and TrpD genes code for enzyme 1

2. Genes- trpC-enzyme 2

3. TrpB and TrpA genes; enzyme 3

Tryptophan acts as an inhibitor, which controls the synthesis of tryptophan when there is an abundance of the amino acid.

Feedback inhibition for short-term inhibition happens when the activity of an enzyme is controlled. Tryptophan allosterically inhibits enzyme 1 in the pathway during this kind of inhibition.

Repressor-mediated inhibition takes place for long-term inhibition. The repressor stops the genes from being transcribed, so no enzymes are produced.

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Answer:

True

Explanation:

50% of the progeny are likely to be albino. So the correct option is B .  To determine the percentage of progeny that are likely to be albino, we need to first determine the genotypes of the parents and then use Punnett square analysis to predict the possible offspring genotypes and phenotypes.

The agouti mouse is heterozygous at the albino (a) and agouti (b) loci, with the genotype aabb. The albino mouse is heterozygous at the agouti locus, with the genotype Aabb.

To construct a Punnett square, we can list the alleles from each parent along the top and side of a grid, and then combine them in all possible ways to determine the genotypes and phenotypes of their offspring:

            A                    a

a   AaBb                  aabb

a   Aabb                  aabb

From the Punnett square, we can see that there are two possible genotypes for albino offspring: aabb and Aabb. Therefore, 50% of the progeny are likely to be albino.

Note that we assume that the agouti locus is not linked to the albino locus and that these loci segregate independently. If they are linked, the actual proportions of the offspring genotypes and phenotypes may differ from those predicted by the Punnett square analysis.

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Answer:

4 - This molecule would be considered an enzyme

Explanation:

An enzyme lowers activation energy and speeds up a reaction

Answer:

Claim: The separation of the squirrels by the Grand Canyon and the Colorado River led to the formation of two unique species of squirrels.

Evidence: The Albert's squirrel population, which initially had grey fur, was divided and separated by the canyon walls and the Colorado River for a significant period of time, allowing for speciation to occur. Similarly, the Kaibab squirrel, which has black fur and a completely white fluffy tail, developed distinct characteristics in response to its new environment.

Reasoning: The separation of these two squirrel populations prevented them from interbreeding and allowed for genetic divergence to occur, leading to the development of distinct characteristics and the formation of two separate species. This demonstrates the important role that geographic isolation can play in the process of speciation.

Explanation:

Is this okay?

Answer:

B.

Explanation:

Their shapes change when they are in different containers.

(Also, nice pfp)

Answer:

E

Explanation:

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The curve level off with an increasing percentage of open stomata per area of the leaf because the population decreases because of death. The unaffected plant species gain resources.

Plant roots absorb a considerable amount of water from the soil. This water travels to various parts of the plant via sap ascending. The entire amount of water absorbed by the plant exceeds its requirement.

Only a fraction of this water from vapor is absorbed by plant aerial parts such as (stem, leaves, buds, and flowers), which account for around 95% of total absorbed water. This is known as transpiration.

Therefore, because the population reduces due to death, the curve flattens out with an increasing percentage of open stomata per area of the leaf. Plant species that are not harmed gain resources.

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The correct options that are characteristics of a chemical synapse are:

A. Release of neurotransmitter by exocytosis from the presynaptic neuron

B. Receptors for the neurotransmitter are present on the postsynaptic neuron

D. The synaptic cleft is a space separating the presynaptic and postsynaptic neurons

A chemical synapse is a specialized junction between two neurons or between a neuron and a target cell, such as a muscle or gland. It is characterized by the following features:

A. Release of neurotransmitter by exocytosis from the presynaptic neuron: In a chemical synapse, the presynaptic neuron releases neurotransmitter molecules into the synaptic cleft. These neurotransmitters are stored in synaptic vesicles and are released through exocytosis upon an action potential reaching the presynaptic terminal.

B. Receptors for the neurotransmitter are present on the postsynaptic neuron: The postsynaptic neuron, or the target cell, has specific receptors on its membrane that can bind to the neurotransmitter released by the presynaptic neuron. These receptors are responsible for transmitting the signal from the presynaptic neuron to the postsynaptic neuron.

C. The presynaptic neuron and the postsynaptic neuron are physically connected together: This statement is incorrect. In a chemical synapse, the presynaptic neuron and the postsynaptic neuron are not physically connected. Instead, they are separated by a small gap called the synaptic cleft.

D. The synaptic cleft is a space separating the presynaptic and postsynaptic neurons: The synaptic cleft is the small extracellular space between the presynaptic neuron and the postsynaptic neuron. It acts as a barrier between the two cells and is filled with extracellular fluid. Neurotransmitter molecules released by the presynaptic neuron diffuse across this space to reach and bind to receptors on the postsynaptic neuron.

Therefore, the correct options for characteristics of a chemical synapse are A, B, and D.

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Answer:

Evolution of cells.

Explanation:

The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.

Answer:

Evolution of cells. The hypothesis that eukaryotic cells evolved from a symbiotic association of prokaryotes—endosymbiosis—is particularly well supported by studies of mitochondria and chloroplasts, which are thought to have evolved from bacteria living in large cells.

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Explanation:

Disadvantages to using the internet to provide career planning assistance are numerous, but one exception is that databases can be updated more frequently. Option c.

Some of the most common drawbacks include slow access and operation, technical issues like bandwidth constraints that can reduce the effectiveness of audio and video, and security concerns that may make it difficult to protect sensitive information. These factors can make it challenging for people to get the guidance and support they need to make informed career decisions.

However, the internet's ability to quickly and easily update databases can help ensure that career information is accurate and up-to-date, which can be a significant advantage for individuals looking to explore their options and plan their futures. Answer option c.

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The methodology by which green plants and some additional organisms use sunlight to synthesize foods from carbon dioxide and water is known as Photosynthesis.

The factors or parameters which are required to perform photosynthesis by plants are water, carbon dioxide, and sunlight.

Photosynthesis typically involves the green pigment chlorophyll and induces oxygen as a byproduct. The chemical reaction of photosynthesis is as follows:

\(6CO_2 + 12H_2O\) ⇒ \(C_2H_1_2O_6 + 6O_2 +6H_20\).

Therefore, it is well described above.

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Ok Makasih Banyak, Makasih Loh Poinnya

Answer:

Both membranes contain ATP Synthase Proteins.

Answer: An organism’s niche is determined by its , which is it’s physical environment called Habitat.

Explanation: A niche is a part a species perform in the ecosystem. In other words, a niche is how an organism “makes a living.” A niche will add the organism's capacity in the flow of energy within the ecosystem. This includes how the organism generates its energy.

The habitat is the natural area where a species lives. Many circumstances are used to represent a habitat. The common amount of sunlight collected each day, the range of annual warmth, and average yearly rainfall can all represent a habitat.

An organism’s niche is determined by its. Which is its physical environment by its habitat.

The living area of an organism with easy access to food, water, and shelter is known as the habitat of the organism. Here all the suitable abiotic and biotic conditions meet the requirements of the organism. The animal reproduces only in there natural habitat as it gets suitable mates in the area.

There are four types of habitats freshwater, marine, and coastal habitat. Rivers, lakes, streams, and ponds are a few examples of freshwater habitats. Seas and oceans are the largest marine habitats whereas the area where the coastal line meets the land is the coastal habitat.

Therefore, every organism, animal, and plant has a specific habitat.

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Answer:

The distal end of the fibula forms the lateral malleolus, which forms the easily palpated bony bump on the lateral side of the ankle. The deep (medial) side of the lateral malleolus articulates with the talus bone of the foot as part of the ankle joint.

Explanation:

Delta's role in regulating cell communication through the Notch signaling pathway is that Delta restricts cell communication to short distances within a developing embryo.

Chemical signals are typically used by cells to communicate. These chemical signals, which are proteins or other molecules made by the sending cell and released into the extracellular space, are frequently secreted by the cell. They can then travel to nearby cells by floating there, much like messages in a bottle.

During the development of fruit fly embryos, the receptor protein notch is visible on the surface of some cells. The protein delta, which is membrane-bound and expressed on the surface of neighboring cells, is the ligand for the notch. The intracellular tail of the notch protein separates from the rest of the protein when notch is activated by its ligand. Consequently, the intracellular tail can move to the cell's nucleus and change the way some genes are expressed.

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Answer:

Pieces of the Golgi membrane pinch off to form vesicles that transport molecules around the cell. The Golgi apparatus can be thought of as similar to a post office; it packages and labels "items" and then sends them to different parts of the cell. Both plant and animal cells have a Golgi apparatus.

Explanation:

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Answer:

when the photo state is plant used sunlight to break apart water into hydrogen and oxygen the carbonyl the resulting hydrogen with carbon dioxide from the air to create

Explanation:

during photosynthes light energy conversion Exide and water and returns into glucose and oxygen the projects for the city is the process to use make their own food at the requins of photosynthes are carmetic exercise and water

Answer: Glucose also called dextrose one of a group of carbohydrates know as simple sugars.

Answer:

Explanation:

C₆H₁₂O₆

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The most likely characteristic shared by individuals who produced a detectable antibody response is that they express MHC class II allotypes that bind efficiently to the 16 amino acid peptide expressed by the bacteria.

MHC class II molecules present peptide antigens to CD4+ T helper cells, which can then activate B cells to produce antibodies against the antigen. Therefore, individuals who express MHC class II molecules that bind efficiently to the 16 amino acid peptide would be more likely to mount an effective antibody response against IAV after exposure to the engineered bacteria. The other options do not directly relate to the immune response against the 16 amino acid peptide or IAV, and are thus less likely to be the determining factor for antibody production.

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Substrate level phosphorylation is seen in both glycolysis and the Krebs cycle.

What is Phosphorylation?

Phosphorylation is a biochemical process in which a phosphate group is added to a molecule, usually a protein or other organic molecule. This process is important in many cellular processes, such as cell signaling, metabolism, and gene expression. Phosphorylation typically occurs when a protein is activated or deactivated by a specific chemical signal, such as a hormone.

What is the Krebs cycle?

The Krebs cycle, also known as the citric acid cycle or tricarboxylic acid (TCA) cycle, is a series of chemical reactions that takes place in the mitochondria of cells. It is the central metabolic pathway of cellular respiration, where energy from carbohydrates, fats, and proteins is converted into adenosine triphosphate (ATP) molecules, the primary energy source of the cell. The Krebs cycle involves the oxidation of acetyl-CoA to carbon dioxide and the reduction of NAD+ to NADH.

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