within the chloroplast, where do the light and dark reactions occur?

Answers

Answer 1

Explanation: The light reaction takes place in the thylakoid discs. There, water (H20) is oxidized, and oxygen (O2) is released. The electrons freed up from water are transfered to ATP and NADPH. The dark reaction occurs outside of the thylakoids.


Related Questions

Would a chameleon survive if its niche changes? ( does it have a broad or narrow niche? Explain)

Answers

Yes, it has a broad niche. Chameleons have evolved to be able to adapt to their environment with their coloring. As long as they have the food necessary to survive, they’d be more or less fine.

Consider this plant cell. The organelles in a plant cell are labeled. Part G is the middle layer of the cell. Which organelle is labeled G?

Answers

Answer:

Hi. You didn't show the picture that shows organelle G, but since you showed that organelle is the middle layer of the cell, we can say that it is the plasma membrane.

Explanation:

In general, we can state that the plant cell has three layers, the cell wall, the plasma membrane and the cytoplasm. The cytoplasm is the inner layer, where most of the organelles and the cell nucleus are located. Above the cytoplasm is the plasma membrane, which is semi-permeable and promotes the regulation of the entry and exit of substances from within the cell. Above this membrane is the cell wall, which is an impermeable structure that protects the cell and promotes its rigidity. In this case, we can consider that the middle layer of the cell is the plasma membrane.

50 points + brainliest to the best answer

What explanation can you offer for why the types of E. coli found on this surface would change over several months’ period
(DO NOT DO PROBLEM 8)

50 points + brainliest to the best answerWhat explanation can you offer for why the types of E. coli

Answers

Answer:

if i am reading the question right, The selection leading to changes in the E. coli variance is an example of artificial selection because humans are treating the bacteria with triclosan

Explanation:

where did the extra chromosome in down syndrome come from?​

Answers

Down syndrome results when abnormal cell division involving chromosome 21 occurs. These cell division abnormalities result in an extra partial or full chromosome 21.

solve it according to the question please.
the subject is petroleum, so please solve it regardibg
this.
F- Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)

Answers

During the Cretaceous period, high temperatures and abundant vegetation resulted in increased \(CO_2\) levels, leading to the accumulation of organic matter and the formation of good source rocks for oil and gas.

During the Cretaceous period, spanning from approximately 145 to 66 million years ago, the global carbon-climate cycle played a crucial role in the development of favorable conditions for the formation of good source rocks. The period was characterized by high global temperatures and abundant vegetation, resulting in increased carbon dioxide \((CO_2)\) levels in the atmosphere.

The elevated \(CO_2\) levels fueled vigorous photosynthesis, leading to the accumulation of organic matter in marine and terrestrial ecosystems. As this organic matter was buried and subjected to heat and pressure over millions of years, it transformed into oil and gas, creating potential source rocks. The warm climate and prolific vegetation during the Cretaceous, along with the subsequent geological processes, contributed to the formation of the rich hydrocarbon reserves that are vital to our energy resources today.

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The correct question is:

Explain the global carbon-climate cycle during the Cretaceous period. (Write only one paragraph describing what happened during the Cretaceous geological period in order to have good source rocks.)

How does deforestation affect the natural world?​

Answers

Answer:

The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a whole lot of problems for indigenous people.

Answer:

Deforestation affects the natural world because you are getting rid of habitats that animals live in and it makes the animals forced to move to another environment. Other factors include  animal endangerment and extinction, soil erosion and disruptions in the Earth’s carbon and climate cycles, if deforestation happens.

Explanation:

Hope that helps

GIVING BRAINLIEST TO CORRECT ANSWER!
What would cause water to turn from a gas to a solid?
A) Take energy out of the system
B) Put energy into the system
C) Increase the water’s mass
D) None of the above

Answers

Answer:

A

Explanation:

It takes or releases energy during phase change

GIVING BRAINLIEST TO CORRECT ANSWER! What would cause water to turn from a gas to a solid? A) Take energy

explain how a rechargeable battery can be used as a model of adp and atp

Answers

The ATP molecule is just like a rechargeable battery. When it's fully charged, it's ATP. When it's run down, it's ADP.

However, the battery doesn't get thrown away when it's run down–it just gets charged up again. All biological organisms contain the crucial chemical ATP (adenosine triphosphate). Consider it the cell's "energy currency." The ATP molecule splits off one of its three phosphates when a cell has to expend energy to complete a task, resulting in the formation of ADP (Adenosine di-phosphate) + phosphate. That phosphate molecule's energy is no longer bound to it and can now be used by the cell to perform tasks. The cell stores extra energy by reattaching a free phosphate molecule to ADP, converting it back into ATP. This extra energy can come from the breakdown of food that has been ingested or, in the case of plants, energy produced during photosynthesis.

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What two fundamental parts make up a chromosome?
1. RNA and collagen proteins
2. DNA and histone proteins
3. RNA and histone proteins
4. DNA and collagen proteins

Answers

I think the answer is 2— DNA and Histone proteins.

Sensory impulses originate at receptors in response to.

Answers

Answer:

They answer to local changes in their cell membrane potentials.

Explanation:

Quizlet

Sensory impulses originate at receptors in response to stimuli.

Receptors are specialized structures located in sensory organs, such as the eyes, ears, nose, tongue, and skin. These receptors are designed to detect specific stimuli, such as light, sound, odor, taste, and touch. When a stimulus is detected by a receptor, it initiates an electrical signal known as a sensory impulse or sensory signal.

For example: In the eyes, light-sensitive receptors called photoreceptors detect light and initiate sensory impulses, allowing us to see.

Sensory impulses originate at receptors in response to specific stimuli, allowing our nervous system to detect and interpret information from the environment and provide us with a wide range of sensory experiences.

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In the snapdragon example, what third phenotype is expressed from the heterozygous genotype?


Red flowers


pink flowers


white flowers

Answers

Answer:

Pink flowers, a blending of red and white

The correct option (B) pink flowers.

How is the color of flower controlled?

In snapdragon the color of flower is controlled by incomplete dominance. The two alleles are red(R) and white(R'). The heterozygous genotype is expressed as pink.

What is phenotype?

Phenotype is the observable physical properties of an organisms.It includes the organisms appearance, development, and behavior.For example color of a flower, height of plant etc.

What is genotype?

A gene or a set of gene responsible for a particular characteristics is called genotype.In detail it can used to refer to the alleles, or variant forms of a gene, that are carried by an organisms.Example of genotype is AA is a gene that is responsible for black color of hair.

Why other options are incorrect?

Option (A) is incorrect because the RR genotype shows the red flowers.Option (C) is incorrect because the rr genotype shows the white flower.

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What is Asynchronous learning?
A.
Learning during Teams meetings
Learning during your athletic teams' practice
С.
None of these choices
D.
Learning outside of Teams meetings

Answers

Asynchronous Learning is when each student works at their own pace, and may not collaborate on work in class meetings, so the correct answer here would be D!

What is a tiny organ in the digestive system with no use, but can get infected by bacteria?

Answers

Answer:

Appendix

Explanation:

Appendix is a pouch-like structure present at the beginning of cecum. Appendicitis occur when the appendix is infected.

Ultrasound is used for pre nature scanning. This is much safer than using x rays. However doctors were only sure it was safe after experiments on mice. Explain whether or not you think that these experiments were justified

Answers

Answer:

They were not justified bc they were only tested on animals

Explanation:

The rays of the Sun strike Earth most directly

O at the equator

O at the poles

O over the oceans

Answers

the answer would be A. (at the equator) because whenever traveling/living around the equator, it is always hot and not as cold as it is during the winter. the suns rays hit directly at the equator and heat would be evenly distributed later on by ocean currents

Answer:

at the equator

The Sun’s rays strike Earth’s surface most directly at the equator.

an animal species has a diploid, or 2n, number of chromosomes equal to 12. how many different combinations of chromosomes are possible in the gametes?

Answers

Answer:

26 possible combinations or 64 possible gametes.

A metaphor is a figure of speech that compares two seemingly unlike things but implies a comparison instead of stating it directly with the word like or as. In stanza 3, what is the boys’ passing compared to? What do you think the metaphor means?

Answers

A metaphor is a literary device that compares two, unlike things by describing one thing as if it were another.

It creates a comparison between two things that are not explicitly stated but is instead implied. In poetry, metaphors are often used to convey complex ideas and emotions in a creative and memorable way. The meaning of a metaphor in poetry can be open to interpretation and may be influenced by the reader's personal experiences and cultural background. Therefore, the meaning of a metaphor may vary from reader to reader.

If you can provide the specific stanza that you are referring to, I can try to provide a more specific explanation of the metaphor used in that stanza.

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in classical conditioning, repeated presentations of the conditioned stimulus without the unconditioned stimulus lead to responses acquisition acquisition discrimination discrimination extinction extinction backward conditioning backward conditioning stimulus generalization

Answers

Repeated presentations of the CS without UCS lead to extinction of CR. During acquisition, CS is paired with UCS, learning occurs. Discrimination occurs when organism learns to respond to stimulus but not to another, stimulus generalization occurs when it responds to stimuli.

In classical conditioning, an unconditioned stimulus (UCS) elicits an unconditioned response (UCR) without prior learning. The conditioned stimulus (CS) is a neutral stimulus that acquires the capacity to elicit a response through association with the UCS. The response that is elicited by the CS is called the conditioned response (CR).

Repeated presentations of the conditioned stimulus without the unconditioned stimulus lead to the extinction of the conditioned response. This occurs when the CS is no longer followed by the UCS, and the CR eventually disappears.

Acquisition refers to the initial stage of learning when the CS is first paired with the UCS. During acquisition, the CS is presented before the UCS, and the two stimuli are paired several times. As a result of this pairing, the CS begins to elicit the CR, and learning occurs.

Discrimination is the ability to distinguish between similar stimuli and respond differently to each of them. Discrimination occurs when an organism learns to respond to one CS but not to another, even though both stimuli may be similar.

Generalization is the tendency to respond to stimuli that are similar to the CS. Stimulus generalization occurs when the CR is elicited by stimuli that are similar to the CS, even though they have not been paired with the UCS.

Backward conditioning occurs when the UCS is presented before the CS, which results in little or no learning. This is because the UCS is presented before the CS, and there is no contingency between the two stimuli.

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i need help on fiding a plant that is really interesting and different and show me the picture please ​

Answers

the other comment is a scam. don't click the link. there are bots like that everywhere. anyways. i was originally going to go with a venus flytrap, but pretty much everyone knows or have at least heard about those. but the red spider lily has always been my favorite. in japan, it is a symbol of death and rebirth, and it tends to grow close to graveyards.
i need help on fiding a plant that is really interesting and different and show me the picture please

Which statement is an example of how carbon moves through a food chain as part of the carbon cycle? A. Producers release carbon dioxide, and consumers take it in. B. Producers take in carbon dioxide, and consumers release it. C. Producers take in carbon from the soil, and they release it when they decompose. D. Producers release carbon into the soil, and consumers take it in from the soil.

Answers

Producers take in carbon dioxide, and consumers release it. That is option B.

Movement of carbon dioxide in a food chain

A food chain is made up of producers, consumers, and decomposers. Producers are the plants, consumers are plant eaters (animals) and decomposers feed on the dead plants and animal organic remains.

The plants makes use of carbondioxide and energy form Sunday during photosynthesis to produce sugar while the consumers during the process of aerobic respiration, gives out carbondioxide.

Therefore, carbon moves through a food chain as part of the carbon cycle when producers take in carbon dioxide, and consumers release it.

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Which statement describes surface waves?

Answers

it’s in the picture so They travel slower than p waves, they result in much ground motion, they are produced by p and s waves
Which statement describes surface waves?

Answer:

they can move in a rolling pattern throught rock like an ocean wave

Explanation:

because as you can see when you throw a rock there is a wave form at the surface

What is a process unique for meiotic cell division?.

Answers

A decrease in the number of chromosomes is a process that is exclusive to meiotic cell division. The specific mechanisms required for meiosis to vary from mitosis include homologous chromosomal coupling, crossover swaps, sister chromatids remaining connected during anaphase, and the inhibition of DNA replication in interphase.

In addition to having fewer chromosomes, meiosis and mitosis are unique from one another. Meiosis specifically produces novel genetic material combinations in each of the four daughter cells. DNA shuffling between connected chromosomes causes these peculiar pairings. Each of the four daughter cells receives brand-new genetic material combinations during meiosis. A single cell splits twice during the meiotic process, resulting in four cells with half the original genetic material. The sperm in males and the eggs in females are the sex cells which are produced by meiosis.

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PLS help me for my assignment, here's a lot of points :D

What are examples of social, ethical, economical and legal issues of embryonic screening?

Answers

Answer:

Privacy and Confidentiality. Privacy has many dimensions. ...

Socially Vulnerable Populations. ...

Health Insurance Discrimination. ...

Employment Discrimination. ...

Individual Responsibility. ...

Race and Ethnicity. ...

Implementation Issues.

Explain the benefits and limitations of each type of scientific investigation.

Answers

Science uses three types of investigations to understand the natural world: Descriptive, Comparative and Experimental investigations.
The Descriptive investigation is used to describe a natural system when nothing or very little is known about the system. Like observing a new specimen in the microscope and describing it by observing the specimen.
A comparative analysis is used to compare two or more variable in nature by collecting data like observing the different colors of the rocks. It provides the data to show the similarity and dissimilarity of the population.
The Experimental investigation is used where experiments are performed to test and answer the scientific questions. The advantage is that data can be used as evidence for future research.

A drug contains an ionized carboxylate group and shows good activity against its target in in-vitro tests. When in vivo tests were carried out, the drug showed poor activity when it was administered orally, but good activity when it was administered by intravenous injection. The same drug was converted to an ester, but proved inactive in vitro. Despite that, it proved to be active in vivo when it was administered orally. Explain these observations

Answers

These findings emphasize the need of taking a drug's characteristics and administration method into account when determining its efficacy. The structural changes that can occur during drug development can have a substantial impact on the qualities of the medicine and may need to be carefully assessed to guarantee optimal activity.

The ionized carboxylate group in the original drug molecule is likely responsible for its poor oral bioavailability. This means that the drug is not easily absorbed into the bloodstream when taken orally, leading to reduced activity in vivo. However, when the drug is administered intravenously, it bypasses the absorption step and can quickly reach its target site, resulting in good activity.

When the drug is converted to an ester, it undergoes a structural change that alters its properties. This change may have affected the drug's ability to interact with its target in vitro, resulting in reduced activity. However, when the ester is administered orally, it may be more easily absorbed into the bloodstream due to its altered properties, leading to good activity in vivo.

Overall, these observations highlight the importance of considering a drug's properties and administration route when assessing its efficacy. The structural changes that can occur during drug development can have significant impacts on a drug's properties and may need to be carefully evaluated to ensure optimal activity.

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The base pairs in a DNA strand are held together with hydrogen bonds. If the two nitrogenous bases in each pair were held together with covalent bonds instead of hydrogen bonds, what effect would it have on the cell?

Answers

Answer:

Explanation:

Complementary base pairing is important because the hydrogen bonds between the bases hold the two strands of DNA together and because it serves as a way for DNA to replicate.

40 POINTS! FIRST TO ANSWER CORRECTLY GETS BRANLIEST! The image below shows a certain type of global wind: What best describes these winds? Polar easterlies caused due to sinking, cool air above the poles Polar easterlies caused due to rising, warm air above the poles Trade winds caused due to sinking, cool air above the equator Trade winds caused due to rising warm air above the equator

40 POINTS! FIRST TO ANSWER CORRECTLY GETS BRANLIEST! The image below shows a certain type of global wind:

Answers

Answer:

Its b

Explanation:

Answer:

Polar easterlies caused due to rising, warm air above the poles

Explanation:

Got it right!

11. Why is the age of the earth important to Darwin's theory of evolution?​

Answers

Answer:

Darwin's theory of evolution is when species are taking time to evolve from the original organism so in order for this to happen there has to be an original species so he also said that we came from apes if the world was 200 years old that still wouldn't be enough time for us to evolve how he said so in order for his theories to be even remotely  correct it took time for this to happen so the age of the earth in a way helps support his theory

Examples of non living thing objects that fits the definition of alive

Answers

There are no non-living objects that can be classified as alive, as the definition of life includes characteristics such as metabolism, growth, reproduction, response to stimuli, and the ability to evolve.

Living organisms are distinguished from non-living objects by their ability to perform certain functions that are essential to life. For example, living organisms have a metabolism, which allows them to convert energy and matter into forms that can be used by their cells.

Non-living objects, on the other hand, do not have these characteristics. They may exhibit certain properties that are similar to those of living organisms, such as movement, but these properties are usually the result of external forces acting on the object, rather than the object's own internal processes.

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In biological macromolecules like proteins, the hydrophobic residues tend to clump together in the interior of the folded structure. What is the best explanation for why this occurs

Answers

Answer:

The water and polar residues cannot bind to the hydrophobic ones, so in the lowest energy state the hydrophobic residues are pushed together in the middle.

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how do you think life on a ranch id different now then in the 1930s? establishing the resting membrane potential requires energy through the use of the _______. Identify a pair of corresponding angles. Discuss Four ways in which one's acceptance of responsibility can influence effective communication c is opposite___ACAC and BC 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp 6xp PLEASE HELP 20 POINTSScientists often need to look for patterns that occur in the data they collect and analyze. Explain why identifying patterns is important, using an example from your investigation about habitable worlds. e. in which direction and by what amount will unplanned investment change as the economy moves from the $380 billion level of gdp to the equilibrium level of real gdp? Which marginal frequency is the greatest? ULTEIOR MOTIVES JULIUS CEASAR are men or women more likely to disclose being victims of IPV? Today, some politicians and economists are calling for a significantly reduced role of government in the economy . They envision private businesses taking over some or most of the services provided by the government to its citizens . These individuals believe that the profit motive will make provision of these services by private , for -profit businesses far more efficient and thus less costly . What do you think ? Which , if any , government services do you think would be provided more cheaply and efficiently by a for - profit company ? Is the statement x={x+1} true for all real numbers? Explain. 1. Purchested 3504,000 ef rien maleriels. 2. Lavedras matefials for production Mixng 3212,600 and Packaring $48.800 3. Fourned laborocets x$282,600 7. Tranderfed 48.800 urita from Mixing vo Packining at a cost of $983,100 p. Sok coods costing $1.213000. A gumball machine is in the shape of a sphere with a radius of 6 inches. A store manager wants to fill up the machine with jumbo gumballs, which have a radius of 0. 6in. How many jumbo gumballs will fit in the machine?5021610002880 A 0.5 kg mass moves 40 centimeters up the incline shown in the figure below. The vertical height of the incline is 7 centimeters. What is the change in the potential energy (in Joules) of the mass as it goes up the incline? The bar on the histogram with endpoints 60 to 120 has a height of 0.14. what does this mean? In a pyramid, the area of the base, A, is measured by the formula A=3v/h, where V= volume and h=height. Solve the formula for h Answer the questions below in complete Spanish sentences. Remember, you will need to put the verbs into the "yo" form to answer them for yourself.1. Hablas con los amigos ms por telfono o por mensajes de texto?2. Estudias por la maana, por la tarde, o por la noche?3. Trabajas afuera de tu casa? Dnde trabajas? (Hint: "Dnde" = "Where")4. Vives cerca o lejos de tu mejor amigo? (Hint: "mejor" = "best")5. A qu hora comes el desayuno? (Hint: "El desayuno" = "Breakfast") Which triangles unknown side length measures 7 units?