What happens once intercelluar signals reach the inside of a cell using some type of receptor?

the signal stops.
the signal is transferred to the cytoplasm.
the signal produces protein.
intracelluar communaction takes over.

Photosynthesis and cellular respiration are interconnected processes with opposite functions: photosynthesis uses carbon dioxide to make glucose and release oxygen, while cellular respiration uses oxygen to break down glucose and release carbon dioxide. Photosynthesis stores energy, and cellular respiration releases it for the cell's use.

During photosynthesis, plants use carbon dioxide, water, and sunlight to synthesize glucose and release oxygen as a byproduct. The process can be summarized as: in the presence of sunlight, carbon dioxide + water → glucose + oxygen. Conversely, cellular respiration involves the breakdown of glucose, utilizing oxygen to produce carbon dioxide, water, and ATP (adenosine triphosphate), which serves as an energy source for cellular processes. Thus, photosynthesis is an anabolic (building-up) pathway that stores energy in the form of glucose, while cellular respiration is a catabolic (breaking-down) pathway that releases stored energy to be used by the cell.

Importantly, the oxygen that is a waste product of photosynthesis is critical for cellular respiration, and the carbon dioxide that is a waste product of cellular respiration is used in photosynthesis, creating a complementary cycle that supports life on Earth. This interconnected relationship forms the backbone of the carbon cycle and the energy cycle, allowing for the flow of energy and matter through ecosystems. Plants and other photosynthetic organisms provide the organic molecules and oxygen necessary for the respiratory processes of other organisms, including humans. The interdependence of these two processes illustrates the balance and efficiency of biological systems.

In summary, while both photosynthesis and cellular respiration involve carbon and oxygen cycling, they differ in the direction of the flow of these elements and in their overall purpose. One uses sunlight to create energy-storing sugars, and the other uses these sugars to produce the cellular energy currency, ATP.

Photosynthesis is the process by which plants convert carbon dioxide, water, and solar energy into glucose and oxygen, while cellular respiration is the process by which glucose and oxygen are broken down to produce carbon dioxide, water, and ATP.

During photosynthesis, plants use carbon dioxide and water, along with solar energy, to produce glucose and oxygen. In contrast, cellular respiration is the process in which glucose and oxygen are broken down to produce carbon dioxide, water, and ATP, which is the energy currency of cells. Essentially, photosynthesis is an anabolic process that builds glucose and releases oxygen, while cellular respiration is a catabolic process that breaks down glucose and consumes oxygen.

Answer:

It is mollusks

Explanation:

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The correct answer is (b) Circulatory system

The circulatory system transports the oxygen throughout the system. The deoxygenated blood is carried from other parts of the body to the lungs and the exchange of gases takes place. The oxygenated blood from the lungs is carried to other parts of the body. Only 1.5% of oxygen is transported through this system other 96% of the oxygen is transported by combing with pigment called hemoglobin. This hemoglobin also an important of circulatory system that helps in purifying the blood.

Answer:

B) Circulatory System

Explanation:

Final answer:

When crossing a homozygous and heterozygous blue flower (dominant blue, recessive white), the offspring ratio will be 0 white: 4 blue. Other answers detail that a Punnett square is not a complex pattern of inheritance, chromosomes do not contain cells, proteins are synthesized with the help of RNA, replication is not a mutation type, and children have a 25% chance of inheriting cystic fibrosis from two heterozygous parents.

Explanation:

When two blue flowers are crossed, one being homozygous and the other heterozygous for flower color, with blue as the dominant allele and white as recessive, the ratio of colors in the offspring plants will be 0 white: 4 blue. This is because the presence of at least one dominant allele (representing the blue color) in the offspring's genotype from either parent will produce a blue phenotype in all offspring.

A Punnett square is NOT an example of a complex pattern of inheritance; it is a diagram used to predict the genotype and phenotype outcomes of a genetic cross. Complex patterns of inheritance include incomplete dominance, multiple alleles, and polygenic inheritance which involve more nuanced relationships between alleles.

The part NOT found in a chromosome is cell. Chromosomes are made up of deoxyribonucleic acid (DNA) and proteins, with specific segments of DNA coding for various genetic traits.

Proteins are made with the help of RNA. During transcription, DNA sequences are transcribed into messenger RNA (mRNA), which is then translated into proteins.

Among the options provided, replication is not a form of mutation. Mutation forms include substitution, insertion, and deletion, all of which directly alter the DNA sequence.

If two people are heterozygous for cystic fibrosis, the chances that their children will have the disease is 25%. This is because both parents carry one recessive allele for the disease (being heterozygous), and there is a 1 in 4 chance that the child will inherit the recessive allele from both parents, necessary for expressing the disease.

Lactic acid fermentation is most likely to occur during a very fast run, as the intense activity causes muscles to run out of oxygen and switch to fermentation to produce energy.

Lactic acid fermentation is most likely to occur under conditions where the muscles have run out of oxygen and need to find an alternative way to produce energy. Among the options provided, A. A very fast run is the condition under which lactic acid fermentation is most likely to occur. When muscles are used to the point of fatigue, such as during an intense activity like a sprint, there isn't enough oxygen supplied to the tissues to meet the high energy demands. This causes the muscle cells to switch from aerobic respiration to lactic acid fermentation, a process where pyruvate is reduced to lactate by NADH, thus regenerating NAD+ which allows glycolysis to continue producing ATP.

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Answer:

(1) Inversion of temperature in the atmosphere refers to the changing of the temperature with respect to the elevation. The atmosphere of the earth is divided into-

(a) Troposphere- It covers a distance from the ground surface to a height of about 10-15 km. Here, the temperature decreases with altitude.

(b) Stratosphere- It extends from the height of about 15 km to 50 km and here the temperature increases with the increasing altitude. The ozone is layer is present here.

(c) Mesosphere- It covers a vertical height from about 50 km to 80 km and here the temperature again decreases with height.

(d) Thermosphere- It covers a height from about  80 km to 500 km and the temperature rises with altitude.

(e) Exosphere- It represents the outer part of the atmosphere extending up to space and the region experiences increasing temperature.

(2) This temperature inversion takes place in all the layers of the atmosphere. There is a gradual increase and decrease in temperature from the troposphere to the thermosphere layer.

(3) When the air near the surface of the earth gets heated up, it becomes hot, less dense and the air rises up. As the air rises up, the air cools increasing its density forming a convective cell and clouds are generated. This air when accumulates at the top forms a region that separates from the overlying layer. This causes the temperature inversion in the layers of the atmosphere.

Leopard seals are apex predators, so they don't typically have parasitic relationships. However, they may scavenge on dead animals.

A parasitic relationship is a type of symbiotic relationship in which one organism (the parasite) benefits at the expense of the other organism. This type of relationship can only exist when both organisms are mutually beneficial (the host). Because leopard seals are apex predators, which means that they do not rely on the survival of other organisms for their own, they do not typically engage in parasitic relationships with other animals. This means that leopard seals do not have a parasitic relationship with any other species.

However, it is possible for them to scavenge on dead animals, which could be interpreted as a form of exploitation or parasitism if they consume the carcass of an animal that was killed by another predator.

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The answer is unbalanced forces!

Answer:

The bottom half

Explanation:

The lower half  part of the iceberg displaces water equal in weight to the buoyant force.

When an object is placed in a fluid, the fluid exerts an upward force we call the buoyant force. The buoyant force comes from the pressure exerted on the object by the fluid.

Because the pressure increases as the depth increases, the pressure on the bottom of an object is always larger than the force on the top - hence the net upward force.

The buoyant force is present whether the object floats or sinks. The object experiences forces on each of its six sides. On each side, the force is the pressure multiplied by the area of the side, and is directed perpendicular to the side and toward the inside of the object.

Therefore, The lower half  part of the iceberg displaces water equal in weight to the buoyant force.

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Answer:

the answer is D

Explanation:

D) The broad leaves provide surface area to catch light.

Rainforests are tropical forests that receive a high amount of rainfall, typically more than 200 cm per year. They are found in regions near the equator, where the climate is warm and humid. Rainforests are characterized by their dense canopy of tall trees, which can reach up to 60 meters in height. The high rainfall and warm temperatures create a rich and diverse ecosystem, with numerous plant and animal species living in the forest.

Rainforests are also known for their lush undergrowth, including shrubs, ferns, and vines. They play a critical role in the global climate, as they absorb and store large amounts of carbon dioxide, and are also important sources of oxygen. However, rainforests are facing severe threats from human activities such as deforestation and conversion of land for agriculture, which can lead to loss of biodiversity and other negative impacts on the environment.

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Answer:

d

Explanation:

Final answer:

Chlorine is a chemical element with an atomic number of 17 and exists primarily as two isotopes, chlorine-35 and chlorine-37, which combine to give chlorine an average atomic mass of about 35.5 amu.

Explanation:

Chlorine is a chemical element with the symbol Cl and an atomic number of 17, which means it has 17 protons in its nucleus. In its natural state, chlorine exists as two isotopes, chlorine-35 and chlorine-37. Chlorine-35 has an atomic mass of 34.969 atomic mass units (amu) and an abundance of approximately 75.77%, while chlorine-37 has an atomic mass of 36.966 amu and an abundance of 24.23%. The average atomic mass of chlorine is calculated based on the abundance and mass of these isotopes, and it is approximately 35.5 amu as listed on the periodic table.

As a diatomic molecule, Cl2, chlorine gas is highly reactive and forms various compounds, most notably table salt (sodium chloride) when it bonds with sodium. The differences in neutron count between its isotopes do not affect chemical reactions significantly, as these are governed primarily by the 17 electrons surrounding the nucleus in a neutral chlorine atom.

Answer:

Succulent plants store water in fleshy leaves, stems or roots. Several other adaptations are essential for the water storing habit to be effective.

Explanation:

Answer;

Colloid

Fog is a colloid composed of water droplets in air.

Explanation;

-Fog is made up of condensed water droplets which are the result of the air being cooled to the point where it can no longer hold all of the water vapor it contains.

-A colloid is a heterogeneous mixture in which the dispersed particles are intermediate in size between those of a solution and a suspension. A fog is an example of a colloid as a beam of light can be easily seen passing through it.

A. Kidney.  Organisms and organs are not the same thing.  Organisms are made from organs but they are not the same.  Kidneys are vital organs not organisms, therefore the answer is A.

The Golgi apparatus modifies and packages proteins into secretory vesicles, some of which carry these molecules out of the cell through exocytosis.

The Golgi apparatus modifies and packages proteins for export out of the cell. Once the proteins have been modified and tagged, they are enclosed into vesicles known as secretory vesicles that bud from the trans face of the Golgi. Some of these vesicles are transport vesicles that deliver content within the cell; others are secretory vesicles that engage in a process called exocytosis, whereby they fuse with the plasma membrane and expel their contents outside the cell.

In an open system like a campfire, matter can exchange with its surroundings, transforming into different substances while conserving mass.

In an open system, such as a campfire, matter can exchange both matter and energy with its surroundings. During this process, matter such as wood combines with oxygen and transforms into ashes, carbon dioxide, and water vapor. The heat energy released can be used for cooking food or providing warmth. The total mass of matter remains constant as it changes forms, adhering to the law of conservation of mass.

Answer: Invertebrate chordates don’t possess a backbone nor a thyroid

Explanation: