what is Photosynthesis?​

Answer:

Hey ! I think I can help with this....

a.) Marine life adds carbon dioxide to ocean water during respiration.------Hydrosphere.

b.)Plants on land release oxygen during photosynthesis.----Atmosphere.

c.Bacteria living underground convert ammonia to nitrates.---- Geosphere.

d.)The waste from livestock adds nitrogen to the soil.----Geosphere.

Explanation:

I think geosphere has to do with things concerned with land and atmosphere is concerned with air and hydrosphere is concerned with water.. Thank you for the questions.

Answer:

A pollen grain is transferred from an anther to the stigma of the same flower

Explanation:

The statement "A pollen grain is transferred from an anther to the stigma of the same flower" best describes an interaction that will allow a flowering plant to reproduce by self-pollination.

Self-pollination occurs when pollen from the male reproductive structures (anthers) of a flower is transferred to the female reproductive structures (stigma) of the same flower, or to another flower on the same plant. In this case, the statement describes the transfer of pollen from an anther to the stigma of the same flower, which is a form of self-pollination. The other statements describe interactions that involve transferring reproductive structures or pollen grains to different flowers or plants, which would result in cross-pollination rather than self-pollination.

Answer: The VILLI (increase surface area in the small intestine).

Explanation:

Glucose, amino acids, fatty acids and glycerol, as well as , vitamins and minerals salts are absorbed in the small intestine. The walls of small intestine are specially adapted to carry out this function.

For efficient adsorption, a large surface area is necessary. The walls of small intestine have folds and furrows which serve to increase its surface area. These small finger-like projections are called the VILLI.

The inner surface layer or epithelium of each villus is thin; this allows the absorption of the end-products by either diffusion or active transport through it. There is a rich supply of blood vessels and lymphatic vessels containing blood and lymph respectively to carry away the absorbed food substances. In each villus( singular) , there is a blind lymphatic tube called a lacteal surrounded by a network of blood capillaries. The lymph in the lacteals transports carboxylic acids and glycerol which usually recombine to form fats again in the lacteals.

Answer:

Células eucarióticas

Explanation:

Slow muscle fibers require more time per unit of work performed compared to fast muscle fibers.

Slow muscle fibres, sometimes referred to as Type I fibres, are distinguished by their capacity to endure protracted contractions and produce force for a protracted length of time. These muscle fibres have a lot of mitochondria and a lot of aerobic metabolism potential. They primarily rely on the process known as oxidative phosphorylation, which turns glucose and oxygen into adenosine triphosphate (ATP), the cellular energy currency.

Fast muscular fibres, sometimes referred to as Type II fibres, on the other hand, are intended for quick and strong contractions. They rely more on anaerobic metabolism, notably glycolysis, to make ATP since they have a lower oxidative capacity. While glucose can be broken down without the requirement for oxygen, glycolysis produces ATP at a slower rate than oxidative phosphorylation.

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Gene Flow is one of the evolutionary factors that are not testing with the allelea1 program. The correct option is D

Evolution can be defined as a process that results in changes in the genetic material of a population over time. Evolution reflects the adaptations of organisms to their changing environments and can result in altered genes and new species.

Natural selection is considered the main mechanism that causes populations to evolve. However there are several other mechanisms of evolution including mutation, genetic drift and gene flow.

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Gluconeogenesis is the process by which cells convert non-carbohydrate precursors into glucose. The following is the correct order of reactants and products in gluconeogenesis, starting with an aliphatic amino acid:

Alanine --> Pyruvate

Glyceraldehyde-3-phosphate --> 1,3-bisphosphoglycerate

1,3-bisphosphoglycerate --> Fructose-1,6-bisphosphate

Fructose-1,6-bisphosphate --> Glyceraldehyde-3-phosphate

Glyceraldehyde-3-phosphate --> 1,3-bisphosphoglycerate

1,3-bisphosphoglycerate --> Fructose-6-phosphate

Fructose-6-phosphate --> Glyceraldehyde-3-phosphate

Glyceraldehyde-3-phosphate --> 3-phosphoglycerate

3-phosphoglycerate --> 2-phosphoglycerate

2-phosphoglycerate --> Phosphoenolpyruvate

Phosphoenolpyruvate --> Pyruvate

Pyruvate --> Oxaloacetate

Oxaloacetate --> Gluconeogenesis starts with the conversion of oxaloacetate to phosphoenolpyruvate by phosphoenolpyruvate carboxykinase (PEPCK).

This process is an important part of glucose homeostasis, as it allows cells to produce glucose even in the absence of glucose or glycogen. The end products of gluconeogenesis are glucose and CO2.

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Answer:

Because each chromosome has a pair, these cells are called "diploid" cells. On the other hand, human sperm and egg cells have only 23 chromosomes, or half the chromosomes of a diploid cell.

Explanation:

Answer:C

Explanation:

Answer:

magnesium

Hence the name of the element is magnesium?

is that right ?

The nervous system is a body system that is NOT primarily responsible for maintaining the fluid, electrolyte, and acid-base balance.

The nervous system is a body system that acts to transmit different signals such as neurotransmitters and electrical stimuli across parts of the body.

The nervous system is composed of the cerebrum (i.e., the brain) and also the spinal cord, which is connected to the peripherical nerves and sends information to the body muscles.

In conclusion, the nervous system is a body system that is NOT primarily responsible for maintaining the fluid, electrolyte, and acid-base balance.

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The concept of homologous structures is an important aspect of evolutionary biology. Homologous structures are those that have a common origin but may have different functions.

The common limb structure found in vertebrates is a prime example of a homologous structure that provides evidence for evolution. This structure is present in different animals such as birds, reptiles, and mammals, indicating a common ancestry between these organisms.

The embryonic origin of the limb structure is also important evidence for evolution. During development, the limb structure begins to form in the embryo and follows a similar pattern across different species. This suggests that the development of the limb structure has been conserved over time and that it has been inherited from a common ancestor.

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Answer:

Im pretty sure the answer is D

Explanation:

The mass that u start with will always be the mass you end with. And its very obvious that a chemical reaction had occurred.

Hoped this help, correct me if I'm wrong :)

The variation that involves contracting each muscle group repeatedly with progressively less tension with each contraction is incremental muscle relaxation.

Incremental muscle relaxation is a type of variation during a physical exercise aimed at relaxing the muscles.

Incremental muscle relaxation is a fundamental component in any training exercise program.

Incremental muscle relaxation consists of relaxing certain groups of muscle fibers that have undergone rhythmic contractions.

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Answer:

Leech

Explanation:

leeches suck our blood so when a blood clot appears they can fix it by sucking our blood so the blood does not effect.

Answer:

a leech i got it correct on edu!

Explanation:

The Oparin-Haldane hypothesis suggests that life arose gradually from inorganic molecules, with “building blocks” like amino acids forming first and then combining to make complex polymers. ... Some scientists support the RNA world hypothesis, which suggests that the first life was self-replicating RNA.

Answer:

enzymes are protein molecules that act as catalysts, speeding up chemical reactions without themselves getting used up. Each enzyme will only speed up a specific reaction, for example, catalase will speed up the decomposition of hydrogen peroxide into water and oxygen but it will not speed up the breakdown of starch into glucose. Enzymes (e.g. catalase) have active sites with specific shapes that bind to the substrate molecule (e.g. hydrogen peroxide) forming an enzyme-substrate complex. The enzyme-substrate complex then breaks down into the enzyme and product, allowing the enzyme to go on and react with another substrate molecule. Temperature and pH affect enzyme function because they can change the shape of the enzyme’s active site, preventing it from binding to the substrate, just as a broken lock will no longer fit the key. When the shape of an enzyme changes we call this denaturation. Any factor that increases the frequency of collisions between enzymes and substrates (increasing concentration, surface area or temperature) will increase the rate of reaction.

Explanation:

What lemon juice, snake venom and cyanide have in common is hat they are all acidic substances.

An acidic solution is a solution that contains hydrogen ions as its only positive ion in solution. Acidic substances have a sour and turn blue litmus paper red.

What lemon juice, snake venom and cyanide have in common is hat they are all acidic substances.

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Each sister chromatid uses a protein complex termed the kinetochore to connect to spindle microtubules at the centromere.

Cohesion is necessary for sister chromatids to stay together during mitosis and meiosis until separation is about to occur at anaphase. Cohesins are multiprotein component complexes that help create cohesion during DNA replication prior to mitosis and meiosis.

The production of a protein structure known as a kinetochore around the centromere, the central region connecting the sister chromatids, is another significant process that occurs during prometaphase. Kinetochore microtubules are lengthy protein filaments that extend from the cell's poles at each end and connect to the kinetochores.

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Answer:

- She does not carry the gene for cystic fibrosis.

Explanation:

Due to technical problems, you will find the complete explanation in the attached files

Answer:

C

Explanation:

Answer:

pa brainly need tlga point thanks

Answer:

1) Gain knowledge about the soil condition and how to improve it

2) Minimise fertiliser expenditures

3) Avoid over-fertilisation

Explanation:

Hope this helps

The organism that would most likely survive the change in their environment is Pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction. The correct option is A.

Genetic diversity enables an organism to evolve in a way that permits it to adapt to the current or changing environment. Since a Pantala flavescens reproduces sexually, it is the only organism in the group that has the capacity to genetically evolve and adapt to its environment.

All of the remaining creatures reproduce asexually, which results in a lack of internal variation and makes it difficult for them to adapt to changing environmental conditions.

Therefore, the correct option is A, Pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.

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The question is incomplete. Your most probably complete question is given below:

The pond slowly becomes more acidic due to the release of chemicals from a nearby factory. Which of the organisms would most likely

survive the change to their environment?

A.

Pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction

B.Hydra oligactis, because these organisms would have a low level of genetic variation due to sexual reproduction

c. Naegleria fowleri, because these organisms would have a high level of genetic variation due to asexual reproduction

D.Spirodela polyrhiza, because these organisms would have a low level of genetic variation due to asexual reproduction

If larger clutches can lead to malnourished chicks and smaller clutches make it less likely that there will be available offspring, then this is an example of stabilizing selection in terms of natural selection.

Stabilizing selection is a special class of natural selection that tends to favor average phenotypes in order to maximize the differential reproduction and survival rate and thus increase the adaptive fitness of a population to a given environment.

Therefore, with this data, we can see that stabilizing selection can increase adaptive fitness and it represent a strategy in term of natural selection.

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Answer:

Machine

Explanation:

8th grade science class vibes

Answer:

The 2nd Table

Explanation:

DNA Polymerase is used in DNA replication and attaches Adenine to Thymine and Cytosine to Guarine (Remember it is always A to T and C to G). The 3rd table would be incorrect because cytosine doesn't attach to thymine. The 1st table would be incorrect because Uracil is used in RNA replication, not DNA replication.

DNA replication is the process by which DNA makes a copy of itself during cell division.

Table 2 shows the two steps of DNA replication, DNA polymerase matches adenine to thymine and cytosine to guanine and two identical DNA double-helical, are produced.

During separation, the 2 strands of the DNA helix uncoil at a selected location called the origin.

Therefore, table 2 shows the two major steps of DNA replication.

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Mendelian inheritance is the term used to describe how qualities that are regulated by a single gene with two alleles, one of which may be dominant to the other, are passed down from parent to child. Even though just a few human features are governed by a single gene with two alleles, they provide a solid foundation for learning about human heredity. 

He came to the conclusion that each parent transmits a pair of distinct genes to their offspring. Mendel studied how parental genes diverged and whether they manifested in the offspring as dominant or recessive traits. He was familiar with the mathematical traditions that were passed down from one generation to the next. Mendel's approach created a genetics template that is still employed today for gene discovery and comprehending the genetic characteristics of inheritance.

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Parliamentary systems have an advantage over presidential systems when a person of dubious character wins executive power, as they provide more checks and balances.

In a parliamentary system, the executive branch is directly accountable to the legislative branch. This means that if a person with questionable character becomes the leader, the parliament can hold them responsible for their actions and potentially remove them from office through a vote of no confidence. Additionally, parliamentary systems often have coalition governments, which can further limit the power of an individual leader by requiring them to collaborate with other parties.

In contrast, a presidential system allows for a single person to hold significant power with fewer mechanisms for accountability. This can lead to more risk when a person of dubious character wins the executive office, as their actions might be less constrained by other branches of government. Overall, the structure of a parliamentary system provides a stronger safeguard against potential misuse of power by an unscrupulous leader.

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Answer: a very small fraction

Explanation:

If HIV is left untreated, the body's immune system is weakened by the virus and is no longer able to effectively fight off the infection, so the number of antibodies the body produces gradually declines.

Antibodies are proteins produced by the body's immune system in response to the presence of foreign substances called antigens. Antibodies work to identify and neutralize antigens such as toxins, bacteria, and viruses. They are essential in the body's defense against disease because they bind to antigens and mark them for destruction by other components of the immune system. Antibodies can also activate certain components of the immune system. B. Complement proteins that help destroy more foreign bodies

This is because the virus attacks and destroys the body's CD4 cells, which are important for the immune system, making it difficult for antibodies to form. Therefore, it is important to treat HIV as early as possible to avoid long-term damage to the immune system.

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There are a variety of reasons why the temperature in a vented room continues to rise after 210–240 seconds. some reason: The heat source remained on, Ventilation's delayed cooling effect, additional sources of heat, Sensor blunder.

The degree of hotness or coolness of an object or environment is measured by its temperature. It is a tangible property that can be measured using a thermometer and is frequently stated in degrees Celsius (°C) or Fahrenheit (°F). In several scientific disciplines, such as physics, chemistry, and meteorology, temperature is a crucial factor because it influences how matter behaves and how systems function. Human health and comfort are also impacted by it, with variations from the average body temperature (37°C or 98.6°F) signalling probable illness or damage. Many elements, such as heat sources, insulation, air flow, and the thermal characteristics of materials, can affect temperature.

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