which best explains the role of plant pigments in photosynthesis? convert heat to electricity absorbs light energy produce photon energy reduce nadp provide electrons

Answers

Answer 1

The role of plant pigments in photosynthesis is primarily to absorb light energy.

Specifically, pigments such as chlorophyll and carotenoids absorb light in the visible spectrum, which includes wavelengths corresponding to various colors.

By absorbing light energy, these pigments initiate the process of photosynthesis.

During photosynthesis, plants convert light energy into chemical energy, which is then used to fuel various cellular processes. When light energy is absorbed by pigments, it excites electrons within the pigment molecules. These energized electrons are then transferred to other molecules involved in the photosynthetic process.

The absorbed light energy is ultimately used to power the synthesis of adenosine triphosphate (ATP), a molecule that stores and releases energy within cells. Additionally, the energized electrons are used to reduce molecules such as NADP+ (nicotinamide adenine dinucleotide phosphate), converting it into NADPH. NADPH serves as an electron carrier and plays a crucial role in the synthesis of glucose and other organic compounds during the light-independent reactions of photosynthesis.

While plant pigments do not directly convert heat to electricity or produce photon energy, they play a vital role in harnessing light energy and initiating the process of photosynthesis.

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Related Questions

When a sperm and egg combine, it is called

Answers

When a sperm and egg combing it is called zygote

Which of these shows the correct way to type the scientific name for humans?
a) Homo sapiens
b) HOMO SAPIENS
c) Homo Sapien
d) homosapien
e) Homo sapiens
f) homo sapien

Answers

The correct way to type the scientific name for humans is a) Homo Sapiens.

Scientific names, also known as binomial nomenclature, follow specific conventions. The scientific name for humans consists of two parts: the genus name (Homo) and the species name (sapiens). The genus name is always capitalized, while the species name is written in lowercase. Furthermore, both names are italicized or underlined when handwritten.

Option a) "Homo sapiens" correctly follows these conventions by capitalizing the genus name (Homo) and using lowercase for the species name (sapiens). Options b) "HOMO SAPIENS" and f) "homo sapien" do not adhere to the proper capitalization rules. Option c) "Homo Sapien" incorrectly capitalizes the species name, and option d) "homosapien" lacks the proper capitalization and spacing. Therefore, option e) "Homo sapiens" is the correct and standard way to type the scientific name for humans.

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a scientist is comparing the outer structure of an onion cell, structe x, to the outer

Answers

The generalization that is true regarding the types of structures which is analyzed is that structure X (outer structure of an onion cell) and structure Y (outer structure of a human skin cell) have both examples of cellular membranes.

The Cellular membranes were present in different types of cells and promote as the outer boundaries or secured barriers of the cell. They promote the flow of fluid in and out of the cell and give a structural bar.

These membranes showed as a protector to safeguarding the major tissues and organs from external components such as pathogens, UV radiation, and water loss.

Although, these generalizations have both structure X and structure Y represent cellular membranes are true, which reflects the major role of membranes in prolonging the probity and functionality of cells in various organisms.

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Although part of your question is missing, you might be referring to this full question A scientist is comparing the outer structure of an onion cell, structure X, to the outer structure of a human skin cell, structure Y. Which generalization is true about the types of structures being examined?

Which term best describes the majority of protozoa?

a-water dwelling

b-social

c-deadly

d-photosynthetic

Answers

The term best describes the majority of protozoa is photosynthetic.

One-celled organisms known as protozoa are present in most ecosystems on earth. Although the majority of species are free-living, all higher animals are infected with one or more protozoan species. Depending on the species and strain of the parasite and the host's resistance, infections can range from asymptomatic to fatal.

Trophozoites are a common name for the feeding and reproducing stages of parasitic protozoa, while alternative names may be used for these stages in some protozoa. Cysts are developmental stages with a thicker or protective wall. Cysts produced by protozoa that must survive outside of the host typically have walls that are more robust than cysts that develop in tissues.

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The movement of molecules down a concentration gradient through transport proteins in the cell membrane is a type of

Answers

Answer:

In cells, somemolecules can movedown theirconcentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.

Explanation:

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Some mammals help maintain their body temperature by sweating when their bodies rise in temperature. Which property of water is responsible for the ability of sweat, which is mostly water, to help lower body temperature? Water absorbs heat by breaking hydrogen bonds. Water changes in density when it changes from a gas to a liquid. Water's ability to dissolve solutes, such as salt Water's ability to form hydrogen bonds with skin cells

Answers

Answer:

Water absorbs heat by breaking hydrogen bonds.

Explanation:

Specific heat is the amount of heat that must be absorbed or lost for 1 gram of that substance to change its temperature by 1 degree. As someone works out, their body releases sweat to keep their body from overheating. Specific heat it mentions that hydrogen bonds between water molecules require heat to form and break, which is what happens when we sweat.

What foods contain saturated fats? How much of these foods should you eat? Why?

Answers

Answer:

Butter

Explanation:

contains too much saturated fats.

What part of the reproductive system is highlighted below?
• A. Urethra
• B. Seminal vesicles
O c. Epididymus
• D. Vas deferens

What part of the reproductive system is highlighted below? A. Urethra B. Seminal vesiclesO c. Epididymus

Answers

Your answer is D. Vas Deferens
What part of the reproductive system is highlighted below? A. Urethra B. Seminal vesiclesO c. Epididymus

Which statement is true regarding a cell's surface area-to-volume ratio?
A. As the size of a cell increases, its volume decreases
B. As the size of a cell decreases, its volume increases
C. Large cells will have a greater surface area-to-volume ratio
D. Smaller cells will have a greater surface area-to-volume ratio

Answers

A - As the size of a cell increases, its volume decreases.

In sexual reproduction, what helps to maintain genetic variation?
a. reduction division and fertilization

b.mitosis and fertilization

c. binary fission and fertilization

d. reduction division and mitosis

Answers

Answer:

The answer is a because it will give you genetic variation

The answer is A.) reduction division and fertilization

I took the test got it correct

In sexual reproduction, what helps to maintain genetic variation?a. reduction division and fertilizationb.mitosis

factors that make an ecosystem stable

Answers

Explanation:

factores  físicos  son  la  luz  solar , el  suelo ,  el  agua ,  los  nutrimentos , la  temperatura , y   el  aire

An ecosystem is said to possess ecological stability (or equilibrium) if it is capable of returning to its equilibrium state after a perturbation (a capacity known as resilience) or does not experience unexpected large changes in its characteristics across time.

What the evidence that support the relationship of eukaryotic cell organelles to bacteria

Answers

The endosymbiotic theory explains the relationship of eukaryotic cell organelles to bacteria.

This theory suggests that eukaryotic cells evolved from ancient prokaryotic cells that were engulfed by larger prokaryotic cells. Through time, the engulfed prokaryotic cells became mitochondria and chloroplasts in eukaryotic cells. Ancient prokaryotic cells that were capable of photosynthesis were engulfed by larger prokaryotic cells that evolved into eukaryotic cells containing chloroplasts. These eukaryotic cells later evolved into the plant kingdom, where chloroplasts are commonly found. Mitochondria were created by the same process when larger prokaryotic cells engulfed smaller prokaryotic cells capable of aerobic respiration.

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1. ) Drag each phrase to show whether it causes water pollution or is an effect of water pollution.


2. ) Drag each phrase to indicate whether it shows the impact of aquaponics systems or the impact of conventional farming on the environment

Answers

Water pollution can arise from various sources, and addressing it requires controlling and minimizing the release of pollutants into water bodies. Aquaponics systems, with their closed-loop nutrient cycling and reduced reliance on synthetic inputs, offer potential environmental benefits compared to conventional farming practices. However, further research and monitoring are necessary to fully assess the environmental performance and long-term sustainability of aquaponics and optimize its practices for minimizing water pollution and environmental impacts.

Water pollution can be caused by various factors, including both natural and human activities. Some common contributors to water pollution include industrial discharge, agricultural runoff, improper waste disposal, sewage and wastewater discharge, and oil spills. These activities introduce pollutants such as chemicals, heavy metals, nutrients, pathogens, and sediments into water bodies, leading to detrimental effects on aquatic ecosystems and human health.

When comparing the environmental impacts of aquaponics systems and conventional farming, it's important to consider their respective practices and inputs. Aquaponics is a sustainable farming method that combines aquaculture (fish farming) and hydroponics (soilless plant cultivation). In aquaponics systems, the waste produced by fish serves as a nutrient source for plants, and the plants, in turn, filter the water for the fish. This closed-loop system reduces water usage and the need for synthetic fertilizers and pesticides, minimizing the potential for nutrient runoff and chemical contamination of water bodies. Aquaponics also eliminates the discharge of excess nutrients, which can contribute to eutrophication and harm aquatic life.

Conventional farming, on the other hand, often involves the use of chemical fertilizers, pesticides, and herbicides, which can leach into water bodies through runoff and irrigation. These substances can lead to water contamination, affecting the quality of drinking water sources and harming aquatic organisms. Additionally, conventional farming practices may contribute to soil erosion and loss of biodiversity, further impacting the environment.

While aquaponics systems have the potential to reduce water pollution and environmental impacts associated with conventional farming, it's important to note that the overall sustainability and efficiency of each farming method can vary depending on factors such as scale, management practices, and the specific context in which they are implemented.

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The question probable may be:

"What are the main factors contributing to water pollution, and what are the environmental impacts of aquaponics systems compared to conventional farming?"

What is the nucleus of a cell made up of??

Answers

Answer:

it made up of genetic materials and the cell found in it is called eukaryotic cells

Explanation:

I would have answered first but I was thinking hope it helps

The cell nucleus of eukaryotic cells contains all the genetic material of the organism, mainly DNA and RNA molecules .

What are characteristic features of  eukaryotic nucleus ?

The cell nucleus is a small spheroid or oval structure present in the central part eukaryotic cells, other wise called as the operational center as it control all  cellular activities.

Largest organelle of eukaryotic cell where its shape can be circular or ovoid.

Along with center part, nucleus can also seen in periphery part of the cell.

It has different components like nuclear envelope or membrane, chromatin, nuclear pore, nucleolus and nuclear sap.

It helps in generation site of ribosome in nucleolus.

The nucleus involve in exchange of hereditary molecules in chromatin that is RNA and DNA between the nucleus and the rest of the cell.

It also help in transportation of regulatory factors and energy molecules selectively.

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Which of the following biomes is found in
Brazil?
Desert
Savanna
Tundra
Chaparral

Answers

Answer:

Savanna

Explanation:

I am nice so dont be mean

The Savanna biome is found in Brazil. Therefore, the correct statement is option C.

What is biomass?

Biomass refers to the total mass of living organisms present in a particular ecosystem. Biomass includes the mass of living organisms such as plants, fungi, animals, bacteria, dead organic matter, etc.

Biomass can be used to generate heat or electricity and act as a source of energy by burning of wood or other plant material. It also used to produce biofuels from corn and sugarcane and bioplastics made from plant-based materials.

The biome found in Brazil is savanna. This biome is a tropical grassland ecosystem covering approximately 25 percent of the country's total land area. It involves a mix of grasses, shrubs, and trees, with a distinct dry and wet season, and is a home to a diverse range of species, including jaguars, capybaras, many species of birds, reptiles, and insects.

Therefore, savanna is the biome found in Brazil.

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Through the use of an annotated diagram, describe covalent
bonding in a water molecule.

Answers

The description of covalent bonding in a water molecule can be found below:

WHAT IS COVALENT BOND:

Covalent bond is a type of bond that occurs when two atoms share electrons. A typical demonstration of covalent bonding can be found in water molecule (H2O).

In a water molecule, there are two hydrogen atoms and one oxygen atom. The oxygen atom shares one electrons each with the two hydrogen atoms.  

However, because oxygen and hydrogen atoms attract the shared electrons unequally (oxygen pull more electrons toward itself), each atoms possess different and opposite charges, making it a POLAR covalent bond.

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 Through the use of an annotated diagram, describe covalentbonding in a water molecule.

How would the decimal point move to solve the equation 124 ÷ 10 to the power of 1?

Answers

The answer is 12.4 the decimal point will move to the left

what is the most likely explanation for the very low fecundity of species such as whales, humans, and elephants?

Answers

The unusually low fertility of species like whale, humans, and elephants is most likely explained by a high expenditure in parental care.

Why are we referred to as humans?

The word "human" first appears in writing in the middle of the 13th century and derives from the Middle French humain, which means "of or belonging to man." That word itself derives from the Latin word humanus, which is supposed to be a cross between the words for "man" and "earth" (homo and humus). In contrast to birds, aircraft, or even supernatural entities, a human.

What are humans called now?

All current residents belong to the Homo sapiens race. We have only just evolved, yet because of our sophisticated technology and culture we have already colonized a wide range of environments and spread over the globe.

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Calculate the doubling time for
India with its growth rate of 1.13%.
Doubling time = 70/growth rate
A. 0.619 years
B. 619 years
C. 61.9 years

Answers

The doubling time for India at 1.13 growth rate is 0.619years

What is doubling time?

The doubling time is the time it takes for a population to double in size/value. It is applied to population growth, inflation, resource extraction, consumption of goods, compound interest, and many other things that tend to grow over time.

Doubling time is given as 70/ percentage growth rate. The percentage growth rate is 1.13%.

Therefore the doubling time will be calculated as

doubling time = 70/1.13

doubling time= 0.619 years

therefore the doubling time for India is 0.619 years at a growth rate of 1.13%

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what type of glial cell is responsible for filtering blood to produce csf at the choroid plexus?

Answers

The type of glial cell responsible for filtering blood to produce cerebrospinal fluid (CSF) at the choroid plexus is known as Ependymal cells. A choroid plexus is a network of specialized capillaries located within the ventricles of the brain, which is responsible for the production of cerebrospinal fluid.

It is lined with specialized epithelial cells known as ependymal cells, which are responsible for the filtration of blood to produce CSF.

Ependymal cells are specialized glial cells that line the ventricles of the brain and the central canal of the spinal cord. These cells are responsible for the production of cerebrospinal fluid (CSF) by filtering blood at the choroid plexus. They are also involved in the circulation and distribution of CSF within the brain and spinal cord.

CSF is a clear, colorless fluid that surrounds the brain and spinal cord, providing a cushioning effect and serving as a nutrient-rich medium for nerve cells. It is produced in the ventricles of the brain by the ependymal cells of the choroid plexus.

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give two similarities between the way the fungus feeds and the way that you feed​

Answers

Sorry I do not know this mathematical problem

Which is a sustainable practice?
O operating wind farms
O clear cutting
O flood irrigation
O overfishing

Answers

Answer:

Operating wind farms

Explanation:

Sustainable practices are practices that can be continued or practices that maintain a condition without harming the environment. Operating wind farms doesn't harm the enviornment that much, and there is always going to be wind.

Operating wind farms is considered as a sustainable practice. Thus, option A is correct.

What are Sustainable practices?

Sustainable practices are the practices that could be continued or the practices that used to maintain the condition without harming the environment. Operating wind farms does not cause harm to the environment that is much, and there has been always going to be wind.

Sustainability has usually presumes that the available resources are the present in finite amount, and it should be used conservatively as well as wisely with the view to have the long-term priorities and the consequences of the ways in which the available resources are used.

Therefore, Wind power or the wind farms were one of the most efficient technology that  produce energy in the very safe and the environmentally sustainable manner.

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Why are only about 100 of the millions of known substances identified as elements?

Answers

The reason why only about 100 of the millions of known substances are identified as elements is that an element is a substance that cannot be broken down into simpler substances by any chemical means.

It is made up of only one type of atom, which cannot be subdivided further without losing its chemical properties. In contrast, other substances are made up of molecules that contain multiple types of atoms, and these can be broken down into simpler substances using chemical reactions.

The periodic table of elements is a list of all the known elements arranged in order of their atomic number, which is the number of protons in their nucleus. Elements can be identified based on their physical and chemical properties, as well as their position on the periodic table.

Although there are only about 100 elements, they are the building blocks of all matter. By combining different elements in different ways, we can create all the different substances that exist in the world around us. While there are millions of known substances, they are made up of a much smaller number of elements, which underscores the fundamental simplicity of the physical world.

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When tulips bloom, they are attempting to pollinate using the process of meiosis which part of tulip is related to meiosis? Why do tulips need to under go meiosis?

Answers

Answer:

The correct answer is - pistil and stamen.

Explanation:

Meiosis is the type of cell division that takes place only to produce gametes that are megaspore and microspore, in sex cells of the flowering plant. In tulip and other similar flowering plants have ovary at the base of the pistil that contains and produced megaspore (female spores) by meiosis.

Similarly, anthers in the stamen of the tulip flower produce male spores called microspores and contain. Meiosis is essential in sexual reproduction to ensure that each cell has the correct number of chromosomes and responsible for recombination.

The part of the Tulip that is related to meiosis is : Pistil and StamenTulips undergo meiosis to ensure that the cells have the accurate number of chromosomes

During pollination Tulip under meiosis in other to produce the required gametes needed for sexual reproduction. The parts of the Tulip that  contains the megaspore and microspore gametes are :

Pistil : The ovary that produces and stores the female spores via meiosis is located at the base Stamen : The anthers which produces the male spores via meiosis is located at the stamen.

Also Tulips undergo meiosis to ensure that the cells have the accurate number of chromosomes that is to be used for recombination.

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La influencia que tiene la temperatura en la reproducción de los paramecios, en muestras de agua estancada

Answers

Answer:

Para un paramecio la temperatura óptima requerida para llevar a cabo sus funciones metabólicas (incluida la reproducción) se encuentra entre 24 °C y 28 °C

Explanation:

Los paramecios (género Paramecium) son protozoarios, es decir, organismos microscópicos del reino protista. Un paramecio es un organismo unicelular que puede llevar a cabo todas las funciones esenciales de un modo funcionalmente similar a una célula animal. Los paramecios pueden reproducirse tanto de manera sexual como asexual (bipartición). Estos organismos viven en cuerpos de agua dulce rica en nutrientes orgánicos como estanques, charcos, regiones de ríos parcialmente estancadas, etc. En estos ambientes los paramecios se reproducen de un modo óptimo a una temperatura entre 24 °C y 28 °C, donde pueden llegar a dividirse hasta 4 veces al día.

1) Points A and B in the diagram show two processes
taking place at interactions in Earth's oceanic crust.
a) Describe the process taking place at point A.
b) Describe the process taking place at point B.
continent
oceanic
crust
mantle
magma
B
continent
oceanic
crust
mantle

1) Points A and B in the diagram show two processestaking place at interactions in Earth's oceanic crust.a)

Answers

a)The process taking place at point A in the diagram is subduction, where oceanic crust is forced beneath the continental crust and into the mantle.

b) The process taking place at point B in the diagram is seafloor spreading, where new oceanic crust is formed at mid-oceanic ridges as magma rises to the surface, creating new crust.

a)The process taking place at point A in the diagram is subduction. Subduction occurs when two tectonic plates collide and the denser oceanic crust is forced beneath the less dense continental crust. At this point, the oceanic crust descends into the mantle through a subduction zone. This process is driven by the difference in density between the two crustal plates and the convection currents in the mantle.

b) The process taking place at point B in the diagram is seafloor spreading. Seafloor spreading occurs at mid-oceanic ridges, where two tectonic plates are moving apart. Magma rises from the mantle and erupts onto the seafloor, creating new oceanic crust. As the magma cools and solidifies, it forms a new layer of crust. Over time, the new crust spreads out from the ridge, pushing the existing crust away and creating a continuous process of crustal formation.

Together, these processes of subduction and seafloor spreading contribute to the dynamic nature of Earth's oceanic crust, shaping the geology and plate tectonics of our planet.

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are lymphatic capillaries as permeable as blood capillaries adn why

Answers

Lymphatic capillaries are generally more permeable than blood capillaries, and there are several reasons for this difference in permeability:

Endothelial Overlapping: The endothelial cells that form the walls of lymphatic capillaries loosely overlap each other, forming flap-like structures. Gaps in Cell Junctions: Lymphatic capillaries also have larger gaps between their endothelial cells compared to blood capillaries. Absence of a Basement Membrane: Blood capillaries are lined by a basement membrane, which acts as an additional barrier for the passage of molecules.

The increased permeability of lymphatic capillaries allows them to efficiently collect and transport various substances, including excess fluid, proteins, fats, and immune cells, from the interstitial spaces in tissues. This fluid, known as lymph, is then carried through the lymphatic vessels and eventually returned to the bloodstream.

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Doppler radar instruments transmit information in the form of

Answers

Answer:

By their design, Doppler radar systems can provide information regarding the movement of targets as well as their position. When the WSR-88D transmits pulses of radio waves, the system keeps track of the phase (shape, position, and form) of those pulses.

Explanation:

Which of the following can be determined by this diagram


A. The energy of the mongoose is passed on to the hare

B. The cheetah supplies energy to a variety of organisms

C. The Energy of the Acacia tree is passed to the impala

D. The aardvark ,pangolin , and mongoose are all producers




PLEASE HELP!!!

Which of the following can be determined by this diagram A. The energy of the mongoose is passed on to

Answers

Answer:

c

Explanation:

The acacia tree is a producer that get eaten by the impala

The energy from the tree is given to the impala when it eats the tree

Which organelles are present in animal cells? Select all that apply.
nucleus
cell wall
chloroplast
cytoplasm
cell membrane

Answers

The organelles among the options present in animal cells include the nucleus, cytoplasm, and cell membrane. Options 1, 4, and 5.

Organelles of the animal cell

The animal cell is a type of eukaryotic cell. It is an advanced cell with a nucleus and membrane-bound organelles. It differs from the other eukaryotic cell, the plant cell, in that the latter has a chloroplast and cell wall.

The organelles that are found in the animal cell include:

The cell membrane which delimits the cell and acts as a differentially permeable structure to substances.The cytoplasm which is the liquid portion in the inner part of the cell.The nucleus which is located centrally in the cell and controls the cell's activities.The ribosome which is the site for the synthesis of proteins.The mitochondrion which generates energy for the cell.

Other organelles found in the animal cell include the Golgi apparatus, the endoplasmic reticulum, the lysosome, and so on.

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