Where in plant cells are the energy-absorbing molecules for photosynthesis located?
Answers
Answer:
thylakoids
Explanation:
hope it helpsszss
Answer:
thylakoids
Explanation:
I got it correct
Related Questions
Nucleic Acids are 1 of the 4 types of Biomolecules - - the others being Proteins, Carbohydrates and Lipids.
True
False
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Answer:
True.
Explanation:
The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins. Portion of polynucleotide chain of deoxyribonucleic acid (DNA).
I’ll give brainliest
Answers
Answer:
The answer is B.
Explanation:
I don't have an explanation. Though I'm pretty sure that is the answer to your question.
Which argument supports the idea that viruses are alive?
Viruses have a cell membrane.
Viruses contain unique genetic information.
Viruses replicate in a host.
Viruses do not produce proteins.
Answers
Answer:i think its a
Explanation:
i guessed
Which statement best describes the
theory put forth by Charles Darwin in
"On the Origin of Species"?
A. All living species have existed in their current forms
since the beginning of the Earth.
B. All living species were created by the hand of a divine
being.
C. All living species exist to preserve the Earth's geologic
landscape.
D. All living species, including humans, see the strong
survive through evolution.
Answers
The statement that best describes the theory put forth by Charles Darwin in "On the Origin of Species" is All living species, including humans, see the strong survive through evolution.
Option D is correct.
What is evolution?Evolution is described as the change in heritable characteristics of biological populations over successive generations.
Three basic ideas made up Charles Darwin's theory of evolution:
variation among species members occurred randomlya person's traits might be passed on to their offspring; and only those with advantageous traits would survive due to competition for survival.Learn more about evolution at:
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Height, weight, and eye color are examples of phenotypes that illustrate
a. codominance.
b. continuous variation.
c. pleiotropy.
d. incomplete dominance.
e. multiple allele systems.
Answers
The height, weight, and eye color are examples of phenotypes that illustrate pleiotropy.
Pleiotropy is a genetic phenomenon in which a single gene affects multiple traits. In the case of height, weight, and eye color, there are multiple genes involved, but each gene can affect more than one trait.
For example, a gene that affects height may also affect bone density or body proportions. Similarly, a gene that affects eye color may also affect skin or hair pigmentation.
This explains why individuals with similar phenotypes may have different underlying genetic causes. In conclusion, pleiotropy is a complex genetic phenomenon that can impact a wide range of traits, including height, weight, and eye color.
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What name is given to the pores in the surface of a leaf that allow gases in and out? please help asap!
Answers
Stomata is given to the pores in the surface of a leaf that allow gases in and out.
What are Stomata?The tiny, microscopic stomata are essential for photosynthesis. They cover the plants' surfaces in tens of thousands. The stomata form is essential background knowledge for understanding how plants grow and provide the biomass that sustains us.
Stomata are circular pores that resemble doughnuts and have a hole in the center for gas to enter or exit the plant. Two cells make up the pore, each of which is referred to as a guard cell.
They have the ability to expand or contract in order to open or close the pore, which is crucial for controlling both tissue moisture levels and gas exchange for photosynthesis.
Therefore, Stomata is given to the pores in the surface of a leaf that allow gases in and out.
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Please somebody help me with this.
Answers
Answer:
Making food
Explanation:
—PLEASE HELP QUESTION IS IN THE PICTURE—
Answers
Answer:
integumentary,and nervous
Explanation:
those two answer choices fit the function and systems involved in the chicken wing.the other two are way off
(Table: Taxes, Spending, and Income) Look at the table Taxes, Spending, and Income. Suppose Governor Meridias decides to initiate a state-level sales tax of 5% on all sales. The table shows how household spending varies with household income. A poor household will spend _________ of its annual income on the sales tax, while a wealthy household will spend _________ of its annual income.
Answers
The poor household will spend $1,000 of its $10,000 annual income on the sales tax.
The wealthy household will spend $3,000 of its $30,000 annual income on the sales tax.
What will be the percentage of annual income spent on sales tax?For the poor household with an annual income of $10,000, we apply the 10% tax rate:
Sales tax for the poor household = 10% of $10,000 = $1,000
The poor household will spend $1,000 of its annual income on sales tax.
For the wealthy household with an annual income of $30,000, only the income up to $50,000 is taxed at 10%:
Sales tax for the wealthy household = 10% of $30,000 = $3,000
The wealthy household will spend $3,000 of its annual income on the sales tax.
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What is the study of living things and how they interact with things around them?
Answers
Answer:
Ecology is the answer to the question
According to the Red Queen Hypothesis, predators and prey evolve together to gain small advantages against one another. Give an example of a prey and predator. How might they change slightly over time together? Why?
Answers
An example of a prey and predator that co-evolve due to the Red Queen Hypothesis is the cheetah (predator) and the impala (prey) in the African savannah. The impalas evolve to become faster and more agile, enabling them to outrun cheetahs.
The impalas develop longer legs, allowing for increased stride length and higher running speeds, as well as enhanced agility through improved coordination and quick directional changes. On the other hand, cheetahs develop longer, more muscular bodies to improve their acceleration and top speed. They also possess sharper claws for better grip during high-speed chases.
These changes occur because faster impalas have a higher likelihood of escaping predation, while faster cheetahs have a better chance of catching their prey. Thus, natural selection favors individuals within each species that possess advantageous traits, leading to the co-evolutionary chase between the predator and prey.
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The farther away from the equator you are the _________ energy is transferred from the sun to the ocean surface. fill in the blank
A. More
B. Less
C. No Energy
Answers
Answer:
B
Explanation:
Less because the energy through the sun and also to the ocean surface
Answer:
B.less
Explanation:
The further a location is from the equator, the less sunlight that location receives to heat the atmosphere and thus, the temperature is colder. The reason that higher latitudes receive less sunlight is due to the shape of Earth.
In the angiosperm life cycle, two sperm cells are discharged in each ovule. The reason that two sperm nuclei travel down the pollen tube is that___.
Answers
Answer:
One fertilizes the egg, and the other combines with the two polar nuclei.
Explanation:
Which of these can be found in both gymnosperms and angiosperms? vascular tissue and exposed seeds vascular tissue and seeds flowers and vascular tissue enclosed seeds and flowers
Answers
Answer:
D
Explanation:
hope this helped!
Gymnosperms and angiosperms are two categories of seed plants with vascular tissue for distributing water and nutrients all around the plant.
What is the difference between gymnosperms and angiosperms?Gymnosperms and angiosperms have different reproductive structures, though. Angiosperms have enclosed seeds that are located inside the ovaries of a flower, whereas gymnosperms have exposed seeds that are often found in cones.
Angiosperms and gymnosperms have different reproductive systems. Instead of producing flowers, gymnosperms rely on wind pollination to saturate their cones. In contrast, angiosperms have developed their blooms to draw pollinators like bees and butterflies, which aid in the transport of pollen between the male and female reproductive organs of the flower.
Despite these variations, both varieties of seed plants are crucial elements of terrestrial ecosystems because they act as primary producers, the building blocks of food webs.
Therefore, gymnosperms and angiosperms are two categories of seed plants with vascular tissue for distributing water and nutrients all around the plant.
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Using simple diagrams, compare and contrast the general chemical structures and shapes of each major type of macromolecule. Using specific examples, briefly explain how these structures directly contribute to the main cellular functions of each type of molecule. (Hint: first consider structural and chemical properties of the MONOMERS, and then the polymers.)
Answers
The major types of macromolecules, including carbohydrates, lipids, proteins, and nucleic acids, have distinct chemical structures and shapes that contribute to their specific cellular functions.
Carbohydrates are composed of monosaccharides, such as glucose, which can form polymers like starch or glycogen. Carbohydrates serve as a primary source of energy and provide structural support. Their linear or branched structures enable efficient energy storage and quick energy release.
Lipids, including triglycerides and phospholipids, consist of fatty acid monomers. Their nonpolar nature gives them hydrophobic properties. Lipids form structures like cell membranes, acting as barriers and facilitating cell signaling. The structure of lipids allows them to form bilayers, ensuring cellular compartmentalization and selective permeability.
Proteins consist of amino acid monomers, and their chemical structures vary greatly. They fold into intricate three-dimensional shapes, such as alpha helices and beta sheets, driven by hydrogen bonding and other interactions. Proteins have diverse functions, including enzymatic activity, structural support, cell signaling, and transport of molecules. The unique structure of each protein determines its specific function within the cell.
Nucleic acids, such as DNA and RNA, are composed of nucleotide monomers. The double helix structure of DNA provides a stable platform for genetic information storage. RNA molecules have diverse shapes, including single strands and complex secondary structures like hairpins. Nucleic acids are crucial for genetic expression, including DNA replication, transcription, and translation.
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a biologist working in a lab adds a compound to a solution that contains an enzyme and substrate. this particular compound binds reversibly to the enzyme at the active site. once the compound is bound to the enzyme, the rate of catalysis of substrate to product is greatly reduced. which of the statements are true of the compound? select all that apply group of answer choices the compound competes with the substrate for the active site of the enzyme. the compound is an allosteric activator. the effect of the compound can be overcome by adding more substrate. the compound is an enzyme cofactor. the compound is an allosteric inhibitor.
Answers
the substrate's affinity for the enzyme decreases, and the rate of catalysis decreases. The compound is not an allosteric activator or an enzyme cofactor.
Given information: A biologist working in a lab adds a compound to a solution that contains an enzyme and substrate. This particular compound binds reversibly to the enzyme at the active site. Once the compound is bound to the enzyme, the rate of catalysis of substrate to product is greatly reduced. The compound competes with the substrate for the active site of the enzyme and the compound is an allosteric inhibitor.
Therefore, the correct options are: The compound competes with the substrate for the active site of the enzyme. The compound is an allosteric inhibitor. An allosteric inhibitor is a substance that binds to an enzyme at a location outside the active site (allosteric site) to inhibit its activity.
It changes the enzyme's shape and therefore its function. If the compound binds to the active site, it prevents the substrate from binding to the active site, causing a decrease in the rate of catalysis. Therefore, the compound is a competitive inhibitor. Competitive inhibitors compete with the substrate for the active site of an enzyme.
As a result, the substrate's affinity for the enzyme decreases, and the rate of catalysis decreases. The effect of competitive inhibition can be overcome by adding more substrate. The compound is not an allosteric activator or an enzyme cofactor.
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A lion cub has the alleles B/B for a specific gene. Which of the following
parents could NOT be the father of this cub? *
А/В
А/С
B/C
B/B
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how does a plasmid compare to the bacterial chromosome?
Answers
A plasmid and a bacterial chromosome are two distinct types of genetic material found in bacteria.
What is the chromosome?The majority of the bacterial genome is housed within the enormous, circular DNA molecules known as bacterial chromosomes. They are situated inside the bacterial cell's nucleoid. Contrarily, plasmids are more compact circular or linear DNA molecules that exist independently of the bacterial chromosome. They are frequently located in the cell's cytoplasm.
In terms of size, genetic makeup, copy count, mechanism of inheritance, and function inside the bacterium, bacterial chromosomes and plasmids are different. Bacterial plasmids contain extra genes that give adaptive features and can be shared across bacteria, whereas the bacterial chromosome only contains the necessary genes for regular cellular processes.
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two objects with equal masses are in motion. which object will have more kinetic energy? (1 point) responses a. the object with the greater speed b. the object with the greater density c. the object with the greater acceleration d. the object with the greater volume
Answers
The object with the greater speed will have more kinetic energy. So the correct answer is option A.
The kinetic energy of an object is the energy it possesses as a result of its motion. The equation for kinetic energy is KE = 0.5mv², where m is the object's mass and v is its velocity or speed. The greater an object's mass and speed, the greater its kinetic energy. The unit of kinetic energy is Joule (J), which is a measure of energy in the International System of Units (SI). It can also be expressed in other units such as calories, foot-pounds, or electronvolts, depending on the context.
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A que se denomina metaboismo? Diferenca anabolismo de catabolimo da 4 ejemplos diferencia reaccion endegonica de exergonica
Answers
Answer and Explanation:
Metabolismo: El término hace referencia a todos los cambios y las reacciones quimicas y biológicas que ocurren en cada célula del organismo y que resultas escenciales para el funcionamiento adecuado del organismo (una buena nutrición, crecimiento, reparación celular, conversion energética, etc.).
Estas reacciones ocurren a lo largo de toda la vida del organismo. Cada celula toma sustancias que luego modifica químicamente para integrarlas como nuevos componentes celulares. Algunos de estos componentes son utilizados en reacciones como la respiración celular.
El metabolismo puede ser dividido en anabolismo y en catabolismo. Durante el anabolismo suceden reacciones que consumen energía (ATP) para sintetizar moléculas complejas a partir de moléculas simples, y que son necesarias para el funcionamiento del organismo. Mientras que durante el catabolismo suceden reacciones que liberan energía al deegradar o reducir moléculas grandes en otras mas simples, para que el cuerpo pueda asimilarlas y las transforme en energia (ATP). Esta energía luego será utilizada en los procesos anabólicos.
Ejemplos:
- Respiración celular: Degradación de molécula del glucosa para liberar y obtener energía y consecuentemente, moleculas mas simples (CATABOLISMO)
- Ciclo de Krebs: Oxidación de la molécula acetil-CoA y obtención de energía en forma de ATP (CATABOLISMO).
- Digestión: Degradación del alimento para obtener elementos mas asimilables por la célula y energía (CATABOLISMO).
- Degradación de ADN y ARN (CATABOLISMO).
- Fotosíntesis: Transformación de compuestos inorgánicos en orgánicos utilizando energía solar (ANABOLISMO).
- Síntesis proteica: Utiliza aminoácidos y energía para formar proteinas necesarias para el organismo (ANABOLISMO).
- Ciclo de Calvin: Usa moléculas de CO2 para formar glucosa (ANABOLISMO).
- Gluconeogénesis: Síntesis de glucosa a partir de precursores diferentes a los glúcidos (ANABOLISMO).
Reacción excergónica: reacción espontánea que se lleva a cabo y donde se produce la liberación de energía. No necesita energía para suceder.Reacción endergónica: reacción no espontánea. Necesita energía para suceder. Ocurren reacciones celulares a partir del consumo de energía.Ways by which nitrogen is lost
Answers
Answer:
There are mainly two processes through which nitrogen is lost.
1. denitrification
2. anaerobic ammonium oxidation (anammox).
However if you mean in the atmosphere,
Nitrogen losses include nitrates dissolved in surface runoff, soil erosion, organic nitrogen attached to wind and water- borne sediment; and ammonia and nitrogen oxides lost to the atmosphere.
Nitrogen can be lost from the environment through various processes. Such as Volatilization, Denitrification and Leaching.
Here are three ways by which nitrogen is lost from the environment:
1. Volatilization: Nitrogen compounds, such as ammonia (NH₃), can be converted into gas and released into the atmosphere in a process called volatilization.
This commonly occurs when nitrogen-based fertilizers are applied to agricultural fields. The ammonia can escape into the air, leading to the loss of nitrogen from the soil, reducing its availability for plant uptake.2. Denitrification: Denitrification is a microbial process where certain bacteria convert nitrates (NO₃⁻) found in soil or water into gaseous forms like nitrous oxide and nitrogen gas.
These gases then escape into the atmosphere, removing nitrogen from the terrestrial or aquatic ecosystems. Denitrification often occurs in oxygen-deprived or anaerobic environments, such as waterlogged soils.3. Leaching: When there's too much nitrogen in the soil as nitrates or ammonia, it can be carried away by rain or irrigation water, seeping deeper into the soil or entering water bodies.
This process is called leaching and can lead to nitrogen loss from the root zone, affecting plant growth.Thus, various mechanisms have the potential to remove nitrogen from the environment. such as leaching, denitrification, and volatilization.
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What does biodiesel produce in higher amounts? biodiesel produces higher amounts of .
Answers
Biodiesel produces greater amounts of benefits in its use than fossil fuels.
Is biofuel better than fossil fuels?Burning biodiesel generates 98% less sulfur, which is responsible for acid rain and respiratory problems, 78% less greenhouse gases and 50% less particulate matter (black smoke), which is also responsible for respiratory problems.
In addition, biodiesel has a cetane number equivalent to diesel (same detonating or self-igniting effect), has an average oxygen content of around 11% and has a higher flash point than conventional diesel.
With this information, we can conclude that biodiesel produces greater amounts of benefits in its use than fossil fuels.
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Answer:
nitrous oxide
Explanation:
All the offspring of a cross between a black-eyed mendelian and an orange-eyed mendelian have black eyes. This means that the allele for black eyes is ________ the allele for orange eyes.
Answers
which of the following types of microbes is most similar to animals in terms of their cellular structure and metabolism?
Answers
The type of microbes that is most similar to animals in terms of cellular structure and metabolism is the protozoa. Option 2 is correct.
Protozoa are unicellular eukaryotic organisms that share similarities with animals in terms of their cellular structure and metabolic processes. Like animals, protozoa have membrane-bound organelles, including a nucleus, mitochondria, and other specialized structures. They also possess a flexible cell membrane, allowing them to move and respond to stimuli in their environment.
In terms of metabolism, protozoa obtain energy through various pathways similar to animals. They can undergo aerobic respiration, utilizing oxygen to produce ATP. Some protozoa can also engage in anaerobic metabolism under low-oxygen conditions. Additionally, protozoa can ingest and digest organic matter, similar to animal feeding habits. Option 2 is correct.
The complete question is
Which of the following types of microbes is most similar to animals in terms of their cellular structure and metabolism?
1. Bacteria
2. Protozoa
3. Fungi
4. Archaea
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the amount of air in the lungs after a normal exhale is called the ______________ .
Answers
Answer:
Expiratory reserve volume
according to darwin evolution takes place by a process called ?
Answers
Question 41 A basement membrane anchors Multiple choice question. A) muscle tissue to nervous tissue. B) epithelial tissue to connective tissue. C) connective tissue to muscle tissue. D) brain tissue to nervous tissue. E) blood cells to plasma.
Answers
Answer:
B) Epithelial tissue to connective tissue
Explanation:
What phase is the indicated cell currently in?
Answers
Answer:
In eukaryotic cells, or cells with a nucleus, the stages of the cell cycle are divided into two major phases: interphase and the mitotic (M) phase. During interphase, the cell grows and makes a copy of its DNA. During the mitotic (M) phase, the cell separates its DNA into two sets and divides its cytoplasm, forming two new cells.
Explanation:
Photolysis is a part of which cycle? a. Phosphorus b. Oxygen c. Nitrogen d. Carbon Please select the best answer from the choices provided A B C D.
Answers
Answer:
B Oxygen
Explanation:
it's the answer for your question..
Answer:
It is B
Explanation:
What are characteristics of carbon? Check all that apply
Answers
Answer:
Carbon is a non-metallic element with a chemical symbol of C. It is the fourth most abundant element in the universe, and the 15th most abundant element in the Earth's crust. ... Carbon belongs to Group 14 of the periodic table. Its atomic number is 6 and it has an atomic weight of 12.011