How is atp synthesis coupled with the reactions of photosystem ii.
Answers
Photosynthesis is a process that converts light energy into chemical energy that can be used to fuel other reactions. The synthesis of ATP is coupled to the reactions of photosystem II.
Photosynthesis is the process of converting light energy into chemical energy in the form of glucose or other sugars. Chloroplasts in green plants are the site of photosynthesis. The light-dependent reactions of photosynthesis take place in the thylakoid membranes of the chloroplasts. The reactions of photosystem II and photosystem I are responsible for the conversion of light energy into chemical energy in the form of ATP and NADPH. ATP is synthesized during the light-dependent reactions of photosynthesis by the process of chemiosmosis. During photosynthesis, protons (H+) are pumped into the thylakoid lumen from the stroma by the electron transport chain in photosystem II.
The energy released by the electron transport chain is used to pump H+ ions across the thylakoid membrane, creating a proton gradient. The proton gradient generates an electrochemical gradient that drives the synthesis of ATP by ATP synthase enzyme. The ATP synthase enzyme is located in the thylakoid membrane. It couples the synthesis of ATP to the movement of protons across the thylakoid membrane.In summary, ATP synthesis is coupled to the reactions of photosystem II by the generation of a proton gradient across the thylakoid membrane. The movement of protons through ATP synthase generates the energy required to synthesize ATP.
To know more about Photosynthesis visit:-
https://brainly.com/question/29764662
#SPJ11
Related Questions
Which are protostomes?
A. Worms
B. Humans
C. Horses
D. Flowering plants
Answers
Answer:
worms
Explanation:
the way the animal grows
how does the muscular, circulatory, and digestive systems work together?
Answers
Answer:
The circulatory system is a good example of how body systems interact with each other. Your heart pumps blood through a complex network of blood vessels. When your blood circulates through your digestive system, for example, it picks up nutrients your body absorbed from your last meal.
2. Metaphase lines up the chromosomes where in the cell?
Answers
Answer:
They line along the center of the cell. hope that helps!!
Explanation:
PLEASE HELP QUICK!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! MY QUESTION KEEPS GETTING DELETED FOR NO REASON!!!!!!!!!
Which is true about water molecules?
A. Water molecules are nonpolar, meaning their charges balance each other out.
B. Water molecules are polar, meaning they have a net partial negative charge.
C. Water molecules are polar, meaning they have partial negative and positive
charges.
D. Water molecules are nonpolar, meaning they do not interact with each other.
Answers
Answer: B
Explanation: Water molecules have an unequal charge making them more negitive than positive.
Answer:
B
Explanation:
Water molecules are polar, meaning they have a net partial negative charge.
Brainliest? If not it ok! ^w^
What are the components that break down nutrients for absorption in order from simplest to more complex
Answers
Which phrase best describes how scientists use the data they collect
Answers
The method used to collect data depends on the desired data.
The collection of data is the most essential step in the process of research. The value, authenticity, and evaluation of a research or project will most importantly depend on the qualitative as well as quantitative methods of data collection that we have used.
While collecting data, the scientist has to keep in mind the purpose of his/her research, the most appropriate and reliable methods for data collection as well as the advantages and limitations of a certain method. Hence, the data collection method for any type of data depends on our purpose behind that research and is designed according to it.
Answer:
To decide if there is support for an experiments conclusions.
Explanation:
The human digestive tract is filled with bacteria. The bacteria live in the body and get nutrients while helping to digest food. What kind of species interaction is this mutualism or commensalism? ls it symbiotic? Explain
Answers
The species interaction which is seen between the human digestive tract and the bacteria present in the human body is Mutualism. Mutualism is a kind of species interaction in which both the species are benefitted by living with each other.
What is species interaction?Species interaction is the relationship between the two species which are living in close association with each other. Different species interactions are seen between species such as Mutualism, Commensalism, Predation, Parasitism, etc.
Mutualism is the species interaction in which both the species which live in close association with each other are benefitted. It is a symbiotic association. The example is the bacteria which are living in the human digestive tract, the bacteria helps in digesting the food and in return gets the nutrition from it.
In commensalism, two species are associated from which one is benefitted from the interaction while the other is neither benefitted nor harm in this interaction.
Learn more about Species Interaction here:
https://brainly.com/question/14747081
#SPJ2
Permeability is _____ . Select one: a. the ability of a solid to allow fluids to pass through b. the process by which plants release water vapor to the atmosphere c. the amount of water vapor in the air relative to the maximum amount of water vapor the air can hold. d. the percentage of pore space in the rock
Answers
Answer:
A. The ability of a solid to allow fluids to pass throughExplanation:
Greetings !Permeability of cell membrane refers to the ease with which a molecule can pass through a cell membrane. It is the rate at which the passive diffusion occurs through the membrane.
A solid's permeability refers to its capacity to permit the passage of fluids. As a result, option A is the right response.
A substance's permeability, such as that of rocks, is determined by how easily liquids can pass through it. Fluids can move through the porous material's network of interconnected spaces because of this property.
It is the speed at which the membrane's passive diffusion takes place. It is vital to the movement of fluids through porous media, such as the movement of groundwater in aquifers or of oil through rock formations.
As a result, permeability is the quality of a material that allows a fluid to pass through it. Option A offers the right response.
Learn about permeability here:
https://brainly.com/question/32482559
#SPJ3
The first three strata of the epidermis consists of ______ keratinocytes and the most superficial strata contain ______ keratinocytes.
Answers
The first three strata of the epidermis consists of living keratinocytes and the most superficial strata contain dead keratinocytes.
What is epidermis and its function?
The cutin with the wax provides protection against fungi, bacteria and some insects. The main function of the epidermis is the coating, preventing the action of pathogenic agents, reducing injury by mechanical shocks and preventing water loss.
As the epidermis is the most superficial tissue that the body has, in this part there are living and dead cells at the same time.
See more about epiderm at brainly.com/question/12977732
#SPJ1
Identify the correct label for boxes A, B and C to identify the missing levels of organization within the human body.
A organ, organ system, tissue,
B
C
Answers
Answer:
c,a,b should be the correct answer
In Sl units, the standard unit of force
Answers
In Sl units, the standard unit of force newton, symbol N.
The base units relevant to force are:
The metre, or m, is a unit of length.
The kilogram (kg), a unit of mass
second, or s, is a unit of time.
The change in momentum rate is referred to as force. This is comparable to mass x acceleration for a constant mass.
Therefore, 1 N equals 1 kilogram m s-2 or 1 kg m/s2.
Force is denoted by the letter F.
A force is an effect that can alter an object's motion in physics. A force can cause an object with mass to accelerate when it changes its velocity, for as when it moves away from rest. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction. It is calculated using the newton SI unit (N). Force is denoted by the letter F.To know more about force visit:
https://brainly.com/question/13191643
#SPJ9
When a substance changes from a liquid to a gas, what happens to the
motion of its particles?
A. They move at the same speed but in random directions:
B. They move more quickly and independently.
C. They move more slowly and are fixed in place.
OD. They move at the same speed and in the same direction.
Answers
Answer: B. They move more quickly and independently.
Explanation:
In gases the particles move rapidly in all directions, frequently colliding with each other and the side of the container. With an increase in temperature, the particles gain kinetic energy and move faster.
Which method of energy production releases large amounts of energy?
A.photosynthesis
B.cellular respiration
C.fermentation
Answers
Answer:
Answer below:
Explanation:
A. photosynthesis
Answer:
cellular respiration , I think if the answer is correct follow me pls
Which of the following statements is true?
Answers
Answer:
the answer is B = all living things are made of the same elements
Explain how the process of RNA interference works.
Answers
Answer:
Explanation:
When DNA is ready for protein synthesis and enzyme called RNA Polymerase destrands the double stranded DNA and reads the bases a codon(3 bases) at a time. This enzyme then transcribes(copies) the DNA's code and produces mRNA which is memoryRNA this is then sent out through the nuclear pores in the nucleus of a cell and attracts a ribosome. The ribosome reads the mRNA and it then decides to make 1 of 20 choices of amino acid. Once made it becomes protein and the process repeats
Which macromolecule is a primary component of cell walls
Answers
Answer:
Cellulose
Explanation:
How does diversity in traits arise over generations? How can we determine the probability that an organism's expressed version of a trait will be passed on to its offspring?
Answers
Answer:
Diversity in traits arise over generations through mutation which cause evolution and speciation. We can determine the probability that an organism's expressed version of a trait will be passed onto its offspring through Hardy-Weinberg equilibrium. Hardy-Weinberg equilibrium helps us understand and know genotype and allele frequencies.
Through mutation, which leads to evolution and speciation, diversity in features develops over generations.
What is diversity?The variety of human distinctions that make up diversity includes, but is not limited to, racial or ethnic origin, gender, gender orientation, age, socioeconomic class, physical ability or traits, and political ideas.
Over generations, diversity in traits emerges through mutation, which causes evolution and speciation.
We can calculate the probability that an organism's expressed version of a trait will be passed on to its offspring using the Hardy-Weinberg equilibrium.
The Hardy-Weinberg equilibrium is used to explain genotype and allele frequencies.
Thus, this way, we can determine the probability that an organism's expressed version of a trait will be passed on to its offspring.
For more details regarding gene diversity, visit:
https://brainly.com/question/1831633
#SPJ2
Our early atmosphere was anoxic- without free oxygen; how did this change?
A primitive organisms carrying out chemosynthesis
B primitive organisms carrying out photosynthesis
C primitive organisms carrying out cellular respiration
OR A AND B
Answers
Answer:
B
Explanation:
Our early atmosphere was anoxic and primitve organisms carried out photsynethess.
) the main function of the respiratory system is to . a) transport oxygen, nutrients, and wastes to and from body cells and tissues b) produce sperm and eggs c) supply the body with oxygen and remove carbon dioxide d) control body activities through hormones released into the blood e) break down food and deliver the products to the blood for dispersal
Answers
Answer: C. Supply the body with oxygen and remove carbon dioxide.
Explanation:
A student went for a short run to investigate the effect of physical activity on his pulse rate.
The resting pulse rate for the student was 60 beats per minute and during exercise his pulse rate
increased to 144 beats per minute.
Calculate the percentage increase in pulse rate
Answers
144-60 divided by 60 x 10
84 divided by 60 x 10
1.4 x 100
140%
What do mitochondria do in healthy cells, and ny had defective mitochondria caused
David to lose his vision?
Answers
Muscle weakness, intolerance to exercise, decreased hearing and vision, ataxia, seizures, learning difficulties, heart problems, diabetes, and poor growth are the hallmark signs of mitochondrial myopathy.
What will happen if have a defective mitochondria?Defects in mitochondria, the body's energy producers that may be found inside practically all cells, are the root cause of mitochondrial disorders. mitochondrial myopathies are mitochondrial diseases that create noticeable muscular issues, while mitochondrial encephalomyopathies are mitochondrial disorders that cause noticeable muscular and neurological abnormalities.Several of the syndromes linked to mitochondrial disease include Barth syndrome, Chronic progressive external ophthalmoplegia, Kearns-Sayre syndrome, Leigh syndrome, Mitochondrial DNA depletion syndromes , Mitochondrial encephalomyopathy, Lactic acidosis, and stroke-like episodes, Mitochondrial neurogastrointestinal encephalomyopathy, Myoclonus epilepsy with ragged red fibers, Neuropathy, ataxia, and retinitis pigmentosa , Pearson syndrome.The mtDNA mutation that causes NARP also causes MILS, and the two disorders can coexist in the same family. NARP can cause developmental delay, seizures, and dementia in addition to the primary symptoms for which it is called.To learn more about mitochondria refer :
https://brainly.com/question/24518086
#SPJ1
In which biome do you live? Describe the plant life and climate characteristics that support your conclusion.
Answers
Arizona has six major biomes. They are desert, grassland, chaparral, woodland, forest, and tundra biomes.
The human body's "default plan" is to develop ___ reproductive anatomy.
Answers
The human body's "default plan" is to develop female reproductive anatomy. This is because during embryonic development, all fetuses have the potential to develop either male or female reproductive organs.
However, the default setting is female anatomy, as the early embryo has two sets of ducts: the Müllerian ducts and the Wolffian ducts. The Müllerian ducts develop into the female reproductive system (fallopian tubes, uterus, and upper vagina), while the Wolffian ducts develop into the male reproductive system (epididymis, vas deferens, and seminal vesicles).
If a fetus has a Y chromosome, it will produce testosterone, which triggers the development of the male reproductive system and the regression of the Müllerian ducts. However, if no Y chromosome is present, the Müllerian ducts will develop into the female reproductive system by default. Therefore, in the absence of male hormones, the human body's default plan is to develop female reproductive anatomy.
Learn more about female anatomy here:
brainly.com/question/31738673
#SPJ11
Cytoplasm is randomly distributed to haploid cells.
True/false
Answers
False. Cytoplasm is not randomly distributed to haploid cells.
Haploid cells refer to cells that have a single set of chromosomes, as opposed to diploid cells that have two sets. The process of cell division, called mitosis, is responsible for the distribution of cytoplasm and chromosomes to the new cells. The cytoplasm and chromosomes are divided equally between the two daughter cells. The process is highly regulated and orchestrated to ensure that the cells have the correct amount of cytoplasm and chromosomes to function properly. It's important to note that, in some cases, in some organisms, such as fungi, there is a process called plasmogamy, where cells fuse, but their nuclei do not, resulting in a cell with multiple nuclei but a single cytoplasm.
To know more about cytoplasm
https://brainly.com/question/15417320
#SPJ4
The human body is composed of cells, organs, organ systems, and tissues. How are these organized?
A) Groups of cells form tissues.
B) Groups of organs form tissues.
C) Groups of organ systems form tissues.
D) Groups of tissues form organ systems.
PLZ HELP
Answers
Answer:
C) Groups of organ systems form tissues.
Explanation:
What is climate change?
Answers
Answer:
Long-term modifications to the Earth's climate patterns and processes are referred to as "climate change." It is mostly brought on by a buildup in greenhouse gases, including carbon dioxide, which trap heat and warm the surface of the globe. Rising sea levels, more frequent and severe weather events, changes in precipitation patterns, and changes in ecosystems and wildlife habitats are just a few of the effects that this global warming may have. The burning of fossil fuels for energy, deforestation, and agricultural practices are some examples of human actions that contribute significantly to climate change, which is a worldwide problem. It is regarded as one of the biggest environmental challenges of our day, necessitating group effort to lessen its effects and prepare for its repercussions.
Explanation:
Cell differentiation is what allows cells to become specialized, which in turn allows our bodies to be organized
into different systems that carry out specific functions that allow organisms to survive.
True Or false?
Answers
Answer:
true
Explanation:
Edit
Cell differentiation is the process by which cells change from one cell type to another, usually a more specialized one
50 points! I'm so lost, I need help ASAP.
Answers
Answer:
1. Protein Channel pumps ions and other substance through the cell membrane
2. Hydrophilic - Packed love water
3. Hyphobic - Hate water
4. Phospolipid bilayer - the cell membrane
Explanation:
One type of molecule (or a few molecules that are closely related) is all that a channel will accept for transit.
What role of channel protein and membrane component?A channel protein is an illustration of a transport protein; it serves as a pore in the membrane to permit water molecules or small ions to move through quickly.
Water may quickly diffuse through the membrane thanks to aquaporins, which are proteins that function as water channels. Ion channel proteins enable unrestricted ion transport across the membrane.
Channel proteins span the membrane, forming hydrophilic tunnels that let their target molecules diffusely pass through.
For instance, channel proteins enable the passage of bigger molecules like glucose as well as ions like sodium, potassium, and calcium through the membrane.
Therefore, Large or charged molecules can pass across the membrane to channel proteins.
Learn more about channel protein here:
https://brainly.com/question/28996078
#SPJ2
How did scientists form the geologic time scale?
Answers
Scientists form the geologic time scale by dividing Earth’s history into major and minor eras. This is based on the evidence from the rock layers, fossils, and other data gathered from around the world.
Scientists first divided Earth’s history into the four main eras: Precambrian, Paleozoic, Mesozoic, and Cenozoic. Each of these eras is further divided into smaller and more specific periods, such as the Jurassic period during the Mesozoic era. Each of these periods has its own set of rock layers, fossils, and other evidence that can be studied.
By examining these features, scientists can build a timeline of Earth's history and map out when certain events occurred, such as mass extinctions or changes in the environment. This is how they have formed the geologic time scale.
For more such questions on geologic time scale, click on:
https://brainly.com/question/1530003
#SPJ11
lil huddy is travis scott
change my mind
Answers
Answer:
Yes
Explanation:
Yes
Answer:
how when your mind is set
Explanation: