How does oxygen relate to photosynthesis?

Answers

Answer 1

During the photochemical reaction of photosynthesis, oxygen is created.

Hydrogen ions and oxygen gas are produced when water is split by the light reaction of photosynthesis. To create ATP, hydrogen ions are utilized.

The Calvin cycle is employed later in the dark reaction to create 3-carbon molecules, which are then used to create glucose, the other chemical byproduct of photosynthesis.

Water is split by the oxygen-evolving complex during photosynthetic electron transport to supply protons and electrons to the chloroplastic electron chain, resulting in the evolution of oxygen (O2) and the production of ATP and NADPH—the energy source and reducing power for plant metabolism.

The photosynthetic carbon metabolism, which consists of ribulose-1,5-bisphosphate carboxylation (photosynthetic carbon reduction cycle) and oxygenation (photosynthetic carbon oxidation cycle) and has a combined electron need, uses the majority of this chemical energy.

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Related Questions

Which factor is an abiotic factor of an aquarium ecosystem?

Answers

Answer:

I would say, depth.

Explanation:

Hope this helps!

Answer the guiding question in 5 - 7 sentences: What is “genetic engineering” and how does it change an organism?

please help

Answer the guiding question in 5 - 7 sentences: What is genetic engineering and how does it change an

Answers

Genetic engineering is the process of manipulating an organism's genetic material (DNA) in order to modify its characteristics or traits. This can involve adding, removing, or changing specific genes or segments of DNA which will change the organism.

How can Genetic engineering described?

Genetic engineering can be used in a variety of ways, such as to produce new traits that do not naturally occur in an organism, to enhance or suppress existing traits, or to introduce a desired trait from one organism into another.

The changes made through genetic engineering can be passed on to future generations, which can result in significant and sometimes unpredictable effects on the organism and its offspring. The modified organism may exhibit altered physical characteristics, such as improved disease resistance, faster growth, or increased yield, among others.

Some examples of genetic engineering in practice include the development of genetically modified crops that are resistant to pests or drought, the creation of transgenic animals that produce specific proteins for medical use, and the modification of bacteria to produce useful products such as insulin.

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What are the three main parts of an rna nucleotide.

Answers

The three main parts of RNA nucleotide are:

A nitrogenous baseA pentose sugar and One or more phosphate groups.

Which of the following statements does NOT represent a goal of the human genome project?
A. Storage of information generated in a publicly accessible database
B. Determination of the sequence of nucleotides in the human DNA
C. Determination of the genetic variants that have frequencies of at least 1%
D. Identification of all the genes in human DNA

Answers

C. Determination of the genetic variants

Program: Pregnant women dealing with anxiety & depression during growth of fetus
Dissemination: How will your evaluation report be used? who is the audience of the evaluation report? which firmats and channels will be usef to disseminate the evaluation findings to the appropriate audience?

Answers

The evaluation report on pregnant women dealing with anxiety and depression during the growth of the fetus will be used to provide valuable insights, recommendations, and findings to various stakeholders involved in maternal healthcare and mental health support.

The primary audience for the evaluation report would include:

Healthcare professionals: Obstetricians, gynecologists, and mental health specialists who are directly involved in providing care and support to pregnant women.

Policy-makers and government agencies: Individuals responsible for developing policies and guidelines related to maternal health and mental well-being during pregnancy.

Non-profit organizations and advocacy groups: Organizations working towards improving maternal healthcare and mental health support for pregnant women.

To disseminate the evaluation findings effectively, a variety of formats and channels can be utilized:

Written report: A comprehensive evaluation report can be prepared, presenting the methodology, findings, recommendations, and conclusions. This report can be made available in digital and print formats.

Presentations: Key findings and recommendations can be summarized and presented at conferences, seminars, and workshops attended by relevant stakeholders.

Webinars and online platforms: The evaluation findings can be shared through webinars, online workshops, and dedicated platforms for healthcare professionals and researchers.

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explain micronutrients

Answers

Micronutrients are essential dietary elements required by organisms in varying quantities throughout life to orchestrate a range of physiological functions to maintain health.

Answer:

Micronutrients are vitamins and minerals needed by the body in very small amount

Explanation:

because the definition match

The beginning of modern taxonomy occurred during the:
1500's
Greek civilization
1700's
1800's

Answers

Answer:

1700s

Explanation:

Image result for The beginning of modern taxonomy occurred during the:

Modern taxonomy officially began in 1758 with Systema Naturae, the classic work by Carolus Linnaeus

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making me brainliest will make my day

the mechanistic organization emphasizes flexibility and is less rigid than the organic structure.

Answers

The mechanistic organization emphasizes flexibility and is less rigid than the organic structure. This statement is false. The statement "The mechanistic organization emphasizes flexibility and is less rigid than the organic structure" is false.

Mechanistic organizations are known for their formalized and rigid structure, where communication flows in a top-down direction. They are better suited to larger companies with a more complex internal structure and greater job specialization. In contrast, organic organizations are more adaptable and flexible, which is advantageous in rapidly changing environments and dynamic situations.

The two types of organizational structures can be defined as follows: Mechanistic structure: A mechanistic organization is characterized by highly formalized and centralized structures. There is a rigid division of labor, strict hierarchical control, and formal communication channels, with an emphasis on consistency, efficiency, and stability. Mechanistic organizations are more suited for large, bureaucratic firms that have a complex internal structure and greater job specialization. Organic structure: An organic organization, on the other hand, is less formalized and hierarchical than a mechanistic organization.

It is characterized by loose or informal structures, which enable rapid and flexible communication. In an organic organization, employees have greater autonomy and are expected to be more entrepreneurial, with less reliance on formalized procedures and protocols. Organic organizations are better suited for smaller and more dynamic firms, as well as firms that are rapidly changing.

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Results from a wide-range of climate model simulations suggest that the Earth's average surface temperature could be between 1. 1 and 5. 4°C warmer in 2100 than it was in 2015. Which best summarizes this information:


By 2100, the global average annual temperature will increase more than 1. 1 and less than 5. 4°C.



By 2100, the global average annual temperature will decrease more than 1. 1°C.



By 2100, the global average annual temperature will increase more than 5. 4°C.



By 2100, the global average annual temperature will decrease more than 1. 1 and less than 5. 4°C

Answers

Results from various climate model simulations suggest that the Global average temperature in 2100 could be 1.1 to 5.4 °C (2 to 9.7 °F) higher than today. The main cause of this temperature rise is "greenhouse gases" that trap carbon dioxide and other heat produced by human activity.

Global average temperature is projected to increase by 2°F to 11.5°F by 2100, depending on future greenhouse gas emission levels and the results of various climate models.

Fossil fuels release carbon dioxide, a greenhouse gas that can increase the average temperature of the earth. In a high-emissions scenario, global temperatures could rise by 4.4 degrees by 2100, says the IPCC, with potentially catastrophic consequences.

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why is the folding up of the leaves of a sensitive plant on touching with a finger not a tropism​

Answers

Answer:

The folding of leaves of a sensitive plant is not a case of tropism (like thigmotropism) because in this case the direction of movement of leaves does not depend on the direction of stimulus (touch).

Explanation:

\( \huge \purple{ \red{ \bf❥} \frak{Answer}}\)

\( \red{ \small \text{It is a non-directional movement}}\)

where as Tropism is a directional movement where the direction of the movement of the plant part is towards the stimulus

Select the methods and results that best illustrate sustainable crop intensification.


GMO drought-tolerant seeds

low pesticide use

high-yield, low ecological impact

heavy use of irrigation

low cost

high cost

high use of synthetic fertilizer

high labor

Answers

Answer:

GMO drought-tolerant seeds, high use of synthetic fertilizer, high-yield, low ecological impact.

Explanation:

Crop rotation is one of the most powerful techniques of sustainable agriculture. Its purpose is to avoid the consequences that come with planting the same crops in the same soil for years in a row. It helps tackle pest problems, as many pests prefer specific crops.

Proteins are used to enable movement, provide structure and support, and carry out important chemical reactions inside the body. What is needed in order for the human body to synthesize proteins? F. a diet rich in amino acids G. sufficient sunlight and water H. 1,200 calories of nutrients per day 1. minerals and fats in sufficient amounts​

Answers

Answer: F a diet rich in amino acids

Explanation:

Proteins are used to enable movement, provide structure and support, and carry out important chemical reactions inside the body a diet rich in amino acids is required to synthesize proteins.

What is protein?

Protein is defined as the large macromolecules and biomolecules that are made up of long chains of amino acid. There is various function of protein such as DNA replication, speeding up chemical reaction, and helps to maintain the structure of cell.

The main function of protein is to maintain the structure and function of organs, repair muscle, and muscles. Diet contain high protein is recommended for the purpose of losing weight, reducing fat, or increasing fat.

There are several types of protein such as structural protein, transport proteins, antibodies, contractile proteins, hormonal proteins, and enzymes. Enzymes are the biological catalyst that speed up the chemical reaction that carries out in the body.

Enzymes are protein by nature and there are number of enzymes present in our body such as salivary amylase, pepsin, renin, lyases, lygases etc

Therefore,Proteins are used to enable movement, provide structure and support, and carry out important chemical reactions.

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Bistability in the Rac1, PAK, and RhoA Signaling Network Drives Actin Cytoskeleton Dynamics and Cell Motility Switches

Answers

The research article titled "Bistability in the Rac1, PAK, and RhoA Signaling Network Drives Actin Cytoskeleton Dynamics and Cell Motility Switches" explores how the signaling network involving Rac1, PAK, and RhoA influences the dynamics of the actin cytoskeleton and switches in cell motility.


The term "bistability" refers to a system having two stable states. In this context, it means that the signaling network can exist in two distinct states that drive different behaviors in cells.
The actin cytoskeleton is a network of protein filaments that provide structural support to cells and play a crucial role in cell movement. It can undergo dynamic changes, leading to alterations in cell shape and motility.
The Rac1, PAK, and RhoA signaling network is involved in regulating the actin cytoskeleton. Rac1 promotes the formation of actin filaments at the cell periphery, while RhoA promotes the formation of stress fibers in the central part of the cell. PAK acts as a mediator between Rac1 and RhoA.
The researchers found that the signaling network exhibits bistability, meaning it can be in two stable states: one that promotes actin filament formation and cell protrusion (leading edge state), and another that promotes stress fiber formation and cell retraction (trailing edge state). These states correspond to distinct cell motility behaviors.
The bistability arises from positive feedback loops within the signaling network. For example, active Rac1 promotes PAK activation, which in turn activates Rac1 further. This positive feedback loop reinforces the activation of Rac1 and contributes to the stable leading edge state. Similarly, active RhoA activates PAK, which in turn further activates RhoA, reinforcing the trailing edge state.
Cell motility switches occur when the signaling network transitions between the leading edge and trailing edge states. This switch can be triggered by external cues or changes in the cellular environment. For example, stimulation by certain growth factors or changes in the extracellular matrix can initiate the switch.
Understanding the bistable nature of this signaling network and its impact on actin cytoskeleton dynamics and cell motility can provide insights into cellular processes such as cell migration and tissue development.
In summary, the article explores how the Rac1, PAK, and RhoA signaling network drives actin cytoskeleton dynamics and cell motility switches. The network exhibits bistability, with two stable states that correspond to distinct cell motility behaviors. This understanding contributes to our knowledge of cell biology and has implications in various biological processes, including wound healing, embryonic development, and cancer metastasis.
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which human activity can have the greatest positive effect on the global climate change by helping to reduce the amount of carbon dioxide in the atmosphere?​

which human activity can have the greatest positive effect on the global climate change by helping to

Answers

Answer: I cant see D but the answer is B

Recycling plastics to manufacture materials. Therefore, option (B) is correct.

Transitioning to renewable energy sources offers the greatest potential to reduce CO2 emissions and mitigate climate change globally. Solar, wind, and hydropower can greatly cut CO2 emissions from electricity generation. Building, transportation, and industrial energy efficiency can reduce carbon emissions further.

Recycling plastics reduces climate change. Recycling plastic waste reduces energy-intensive and CO2-emitting  plastic production. Recycling plastic reduces demand for fossil fuel-derived raw materials used in plastic manufacturing, indirectly reducing carbon emissions.

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Natural killer (NK) cells __________. Natural killer (NK) cells __________. engage in immunological surveillance recognize and kill cancer cells cause abnormal cells to undergo lysis NK cells perform all of these roles.

Answers

Answer:

NK cells perform all of these roles

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-lvr

Evaluate the development and implications of animal origin, domestication and distribution on production practices and the environment.

Answers

Animal domestication and distribution has had a significant impact on production practices and the environment. Over the past 10,000 years, humans have domesticated and selectively bred animals for food, labor, and companionship. This development has led to significant changes in the way animals are raised and used for human benefit. The implications of this development are multifaceted and have both positive and negative effects.

One of the most significant implications of animal domestication and distribution is the impact on the environment. Domesticated animals require significant amounts of water, food, and land. This can lead to deforestation, soil erosion, and water pollution. Additionally, the intensive farming practices required to raise domesticated animals can lead to environmental degradation and the release of greenhouse gases.
However, animal domestication has also led to significant improvements in production practices. Farmers can now selectively breed animals for desired traits such as high yield or disease resistance. This has led to increased productivity and a more efficient use of resources.
In conclusion, the development of animal origin, domestication, and distribution has had significant implications for production practices and the environment. While there are negative consequences to intensive farming practices, animal domestication has also led to improvements in productivity and sustainability. It is important for farmers and policymakers to work together to ensure that animal husbandry is conducted in an environmentally responsible and sustainable manner.

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Identify the macromolecules labeled as A, B, and C and explain their role within the context of the cell membrane (as presented in the picture).

Answers

Answer:

may we see the picture??

Explanation:

What are the main differences between near sighted and far sighted?

Answers

Myopia implies the capacity to see things close by with relative lucidity, while farsightedness is the capacity to just obviously see protests that are far away.

A person who is nearsighted can clearly see things close by, but they can't see things far away. The visual image is focused behind the retina rather than directly on it, resulting in farsightedness. It could be because the eyeball is too small or because the focusing power is too low.

The most significant distinction between them is the focal point of the images. Myopia, or nearsightedness, makes it easier for people to see things in the immediate area. Hyperopia, or farsightedness, makes it easier for people to see things in the distance. On the other hand, being nearsighted causes distant objects to appear blurry.

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A scientist is testing how caffeine affects people’s sleep. She asks one group of people to drink one can of Coke before bed. She asks a second group of people to drink one cup of water before bed. Over a period of one month, she determines that the Coca Cola drinkers slept 45 minutes less per night than the water drinkers. What is the INDEPENDENT VARIABLE?

Answers

Answer:

The type of drink with different caffeine contents.

Explanation:

When conducting an experiment, two variables are looked out for, they are: independent variable and dependent variable. Independent variable refers to the variable being controlled or altered in the experiment in order to induce an effect in the dependent variable, which is the variable being measured. The outcome of the dependent variable is dependent on the input or independent variable.

In this question, the scientist is testing how caffeine affects people's sleep. She uses different drinks i.e. Coca-Cola and water with different caffeine contents to test out it's effect on the time of sleep people in the different groups will have. Therefore, the type of drink is the INDEPENDENT variable because it is being changed to test an effect on the dependent variable. The amount of time of sleep is what is being measured, hence it is the dependent variable.

25 POINTS PLEASE HELP ASAP WILL GIVE BRAINLIEST TO CORRECT ANSWER:
Fiona did an experiment to find the relationship between the angle at which a ray of light strikes a mirror and the angle at which the mirror reflects the light. She placed a ray box in front of a mirror. She changed the angle at which the light from the ray box struck the mirror and noted the corresponding angle at which the mirror reflected the light.

Which of the following is the independent variable in this experiment?

The mirror used to reflect the light
The ray box used as the source of light
Angle at which the light from the ray box strikes the mirror
Angle at which the mirror reflects the light from the ray box

Answers

pretty sure the independent variable is the third one. “angle at which the light from the ray box strikes the mirror”

Answer:

C. Angle

Explanation:

25. Which characteristics do viruses have in common with animal cells?O presence of a genetic code in a nucleic acidability to form proteins at the ribosomesexistence of lipids in cell membranesO production of energy by a mitochondrion

Answers

presence of a genetic code in a nucleic acid

In which two ways do plant cells use the sugar made in photosynthesis ?

• to produce phosphate groups
• to store inorganic matter
• to supply the plant with energy for life
• to make other types of organic molecules

Answers

Answer:

3 and 4

Explanation:

Sugar made from photosynthesis is broken down to release energy needed for life.

and the sugar can also be used to make other organic molecules such as cellulose.

A diagram of a plant cell is shown.
The process being represented is ____.
A. Meiosis
B. Mitosis
C. Respiration
D. Mutation​

A diagram of a plant cell is shown. The process being represented is ____.A. MeiosisB. MitosisC. RespirationD.

Answers

Answer:

Mitosis

Explanation:

All the pictures represent the 5 phases of mitosis: interphase > prophase> metaphase> anaphase> telophase

It cannot be considered as meiosis because we have a single cell dividing into 2, neither a respiration or mutation

Below is a list of the characteristics of carbon.
Check all the characteristics that you included in
your response.
A.Carbon occurs as a solid, liquid, and gas.
B.Carbon is found everywhere.
C.Carbon is versatile and easily combines with
other elements.
D.Carbon bonds with other elements to form
macromolecules.

Answers

The answer is C. Carbon is versatile and easily combines with other elements

Answer:

The answer is C because there are trees everywhere.

How many dominant and recessive traits will be produced in the progeny of F2?

Answers

In in the progeny of F2, the genotypic ratio of dominant and recessive traits will be produced is 3:1.

Mendel frequently noted a phenotype ratio of three plants with the dominant phenotype to one plant with the recessive phenotype in the F2 generation, the offspring of monohybrid crossings.

The genotype of the F2 progeny in a monohybrid cross might take on homozygous dominant, heterozygous, or homozygous recessive forms.

Mendel performed a number of crosses on the garden pea plant to gain insight into the inheritance pattern of characteristics. A monohybrid cross, which shows the pattern of inheritance of a single gene with two alleles, controlling a single character with two attributes, is one of these hybrids.

A monohybrid cross examines just one character. Consider the pea plant's height as an example. Tall and dwarf are the two characteristics of height that are displayed. The height-regulating gene is shown as T/t. The mutation "T" causes plants to be tall, whereas the allele "T" causes them to be dwarf.

Purebred or homozygous parents are chosen for the cross depending on the desired features. This indicates that the genotype of the tall parent plant will have both of the T and TT alleles. The genotype of the dwarf parent plant will contain both 't' alleles as 'tt'.

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Which is not a type of crystal system?
A. hexagonal
B. monoclinic
C. orthorhombic
D. triangular

Answers

Answer:

D. the answer is triangular

7 which statement indicates that different parts of the genetic information are used in different kinds of cells, even in the same organism? select one: a. offspring have a combination of genes from both parents. [2] b. replicated chromosomes separate during gamete formation. c. the cells produced by a zygote usually have different genes. d. as an embryo develops, various tissues and organs are produced.

Answers

The correct statement which describes different parts of the genetic information are used in different kinds of cells is b)replicated chromosomes separate during gamete formation. So, correct option is b.

Mendel suggested that matching and partition of a couple of chromosomes at the hour of gamete development will prompt isolation of sets of elements as variables are conveyed by chromosomes. Thus, they demonstrated Mendel's law of isolation that expresses that elements controlling a person separate during gamete development.

The information on chromosomal development and isolation was joined with Mendelian standards and this was called chromosomal hypothesis of legacy. Partition of the sets of chromosomes at the hour of gamete development neither outcomes in the arrangement of zygote nor influences the cycle. The development of zygote happens when the male gamete wires with the female gamete.

Hence, correct option is b.

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What is the maximum magnification of most classroom compound light microscopes?
100x?
500x?
1000x?
5000x?

Answers

Answer:

1,000×

Magnification. The actual power or magnification of a compound optical microscope is the product of the powers of the ocular (eyepiece) and the objective lens. The maximum normal magnifications of the ocular and objective are 10× and 100× respectively, giving a final magnification of 1,000×.

Explanation:

Brainliest please?

urine is formed by three processes. in which process do filtrate components that are useful to the body move from the nephron into the blood?

Answers

The three processes involved in urine formation are filtration, reabsorption, and secretion for nephron.

The filtrate components that are useful to the body, such as water, glucose, and ions, move from the nephron into the blood during the process of reabsorption. This occurs in the proximal tubule of the nephron, where useful substances are selectively transported back into the bloodstream through the peritubular capillaries surrounding the nephron.

The nephron is the kidney's functional unit and is in charge of filtering, reabsorbing, and secreting substances to maintain fluid balance and control blood chemistry. There are millions of nephrons in each kidney. The renal corpuscle, proximal convoluted tubule, loop of Henle, distal convoluted tubule, and collecting duct are all parts of the nephron. The renal corpuscle is the site of filtering, where blood is filtered to create urine. While waste materials are largely secreted in the distal tubule, water, ions, and nutrients are reabsorbed in the tubules. Nephrons are essential for preserving electrolyte balance, controlling blood pressure, and eliminating waste from the body.

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2. When diffusion has reached equilibrium, we say that
the net movement of the molecules is zero. Does this
mean these molecules below would stop moving?

Answers

Answer:

See Below.

Explanation:

The key word here is net. The net movement has reached zero when a system is in equilibrium but there are still motion's going back and forth due to statistics and just random brownian motion.

Think of it this way, if there are 100 people walking forwards in a crowd but 2 are moving against the crowd, the net movement is still forwards because the bulk of people are going in that direction. However, there are still 2 people moving against.

Same here, if we are talking about a diffusion, let's say in the case of osmosis, if most of the solute is moving across a membrane then we'd say its net direction is that way but that doesn't mean that there aren't processes happening in the other direction. Water molecules in osmosis mostly diffuse, chemically speaking (because you can say this biologically in a different way), from the probability of water molecules colliding with each other and passing the membrane so even if there is a net movement in a certain way their random motion can make them go to the other side just as well. If the fact that motion stops at equilibrium were the case a lot of systems, both chemical and biological, would not exist as we know it.

Think net = bulk NOT total or entire.

When the net movement is Zero at equilibrium ; An insignificant number of molecules are still moving below

When diffusion reaches equilibrium most of the molecules moving from the areas of higher concentration  to areas of lower concentration will stop moving, but a negligible number of molecules will continue to move due to  random Brownian motion.

When we say the net movement of molecules at equilibrium is zero it is because majority of the molecules have stopped moving and not all the molecules therefore there will be an insignificant movements of molecules still occuring.

Hence we can conclude that When the net movement is Zero at equilibrium ; An insignificant number of molecules are still moving below

.

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