Having an abnormally small number of platelets in the circulating blood is known as.

Answer:

it is option A as rock needs to be broken down into sediments before it can become soil

Because it performs so many important roles in supporting the efficient daily functions of the human body, the microbiome is even referred to as a supporting organ.

A person's microbiota network is completely unique and is first determined by their DNA. By instructing specialized immune cells to produce effective antiviral proteins that ultimately eradicate viral infections, the beneficial gut microorganisms accomplish this.

Furthermore, without these helpful gut bacteria, a person's body won't be able to fight off infections that enter the body as effectively. In actuality, they support healthy digestion, infection defense, and even reproduction. We often concentrate on eliminating harmful bacteria. However, maintaining the excellent ones may be even more crucial.

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Answer:

Alveoli are in direct contact with capillaries (one-cell thick) of the circulatory system. ... This large surface area, combined with the thin-walled nature of the alveolar parenchymal cells, allows gases to easily diffuse across the cells.

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Alveoli is specially designed for maximising the surface area for diffusion process. Whereas the carbon dioxide which has higher concentration in the blood capillaries diffuses into Alveoli which have lower concentration of carbon dioxide. In this way, exchange of gases takes place in the alveoli

Sickle cell anaemia. Red blood cells that resemble sickles used to cut wheat are a symptom of sickle cell anaemia. The disease's name comes from these cells' unique shapes.

The structure of red blood cells, which transport oxygen to every area of the body, is impacted by sickle cell anaemia.

Due to their common spherical form and flexibility, red blood cells can easily pass through blood vessels. Certain red blood cells with sickle or crescent shapes are indicative of sickle cell anaemia. Moreover, the stiffness and stickiness of these sickle cells can obstruct or slow blood flow.

Red blood cells are in short supply since sickle cells normally expire in 10 to 20 days. If there aren't enough oxygen-carrying cells in the body, fatigue will result.

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Answer:b

Explanation:

its good explanation

Slide preparation is a process that should be done using the right reagents for the right type of organisms. By using methylene blue stains, preparing a wet mount, or noticing subtle differences between different cells, slide preparation is a process.

Methylene blue is used to impart color to the cells placed on a slide. Stains such as methylene blue are attracted to negatively charged particles like the nucleus of an animal cell. Thus, this creates a contrast between the cell and its background.

A wet-mount preparation is more useful than dry-mount preparation because it helps light pass through it increasing the translucent property. It also helps in staining the specimen better.

If an unknown organism is given as a specimen to view under the microscope. Identifying structures that are exclusive for an animal cell or a plant cell can be used to identify the same. Structures such as cell walls, stomata, and chloroplasts are present only in plant cells.

Epithelial cells are cells that are present on the outer and inner surfaces of our body. Skin and blood vessels contain epithelial cells.

Stomata are essential openings in a leaf that are flaccid or turgid based on external and internal factors. Their main function is to facilitate gas exchange.

In a drop of blood of a healthy human, there should be about four to six million erythrocytes per 1 \(mm^{3}\).

The main function of a red blood cell or RBC is to exchange gases. The disc shape of a small size helps provide it with the necessary surface area for the exchange of gases. That is why the structure of the red blood cell is an example of a "structure-fitting function".

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LDL is the densest lipoprotein particle, Elevated levels of LDL in the blood are associated with an increased risk of cardiovascular disease.

Among the options provided, the lipoprotein particle that is the densest is LDL (low-density lipoprotein). Lipoproteins are complex particles composed of lipids (such as cholesterol and triglycerides) and proteins, which serve to transport these lipids in the bloodstream. The density of lipoproteins is determined by the ratio of lipids to proteins within the particle.

Chylomicrons are the largest and least dense lipoproteins. They are formed in the intestines and transport dietary triglycerides. Due to their large size and high lipid content, chylomicrons are the least dense among the lipoprotein particles.

VLDL (very-low-density lipoprotein) is smaller and denser than chylomicrons but still less dense than LDL. VLDL transports endogenously synthesized triglycerides from the liver to various tissues.

LDL, often referred to as "bad cholesterol," is denser than VLDL. It carries cholesterol from the liver to peripheral tissues. Elevated levels of LDL in the blood are associated with an increased risk of cardiovascular disease.

HDL (high-density lipoprotein) is the densest lipoprotein particle. It is involved in the reverse cholesterol transport process, picking up excess cholesterol from peripheral tissues and returning it to the liver for metabolism and excretion.

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Answer:

b: Chromosomes assort independently and crossing-over occurs.

•Crossing-over results in genetic recombination by producing a new mixture of genetic material. Each homologous pair consists of four chromatids, because each chromosome in the pair had replicated before meiosis began. Homologous pairs (tetrads) are still paired together and arrange in the middle of the cell.

Explanation:

i hope it's help you

Answer: Proteins

Explanation:  The part of the cell membrane that can catalyze chemical reactions are proteins. Proteins function as catalysts called enzymes and speed up chemical reactions. Many enzymes work within cells, but some enzymes are also part of the cell membrane.

Answer:

Large Intestine

Explanation:

The large intestine is primarily responsible for eliminating food wastes that remain after digestion. This organs collects waste from around the body as well.

Answer:

Liver

Explanation:

It has many associated organs like the salivary glands and liver which expels the waste into the digestive tract. Besides the undigested and unwanted matter in the food is also removed. The liver is a crucial excretory organ of the digestive system.

Answer:

they will be chance for them dining but in most cases scientists and biometrics. will save them

Answer:

1. The concept of island biogeography also provides important information about how many species should be able to survive and thrive in a given ecosystem, as well as what conservation efforts can be used to protect threatened species.

2. Like said above, the most important difference between non-native and native is if the species came by itself or was helped by humans. ... But in most cases the human intervention is clear (like grey squirrels). To much of the public it doesn't matter if they see a red or grey squirrel, as long as they can see a squirrel

3.Because climate determines plant growth, it also influences the number and variety of other organisms in a terrestrial biome. Biodiversity generally increases from the poles to the equator. It is also usually greater in more humid climates.

A blockage in the pulmonary trunk would first affect the right ventricle with a buildup of blood.

The pulmonary trunk is the major blood vessel that carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation. A blockage in this vessel would prevent the blood from flowing to the lungs and cause a backup of blood in the right ventricle.
As for the other heart chambers, the left atrium receives oxygenated blood from the lungs and passes it to the left ventricle, which then pumps the blood to the rest of the body. Thus, a blockage in the pulmonary trunk would not affect these chambers directly.
A blockage in the pulmonary trunk would first affect the right ventricle with a buildup of blood. This can lead to symptoms such as shortness of breath, chest pain, and fatigue, and can be a medical emergency if not treated promptly.

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Answer:

True

Explanation:

The splitting of glucose  release chemical energy stored in chemical bonds.

In process of cellular respiration, the energy in food is converted into the energy that is used by the body's cells. In process of cellular respiration, glucose and oxygen are converted into carbon dioxide and water, and the energy is converted to ATP.

Cellular respiration, is the process that takes place in the mitochondria of organisms which break down sugar in the presence of oxygen and release energy in form of ATP. Carbon dioxide and water are released as  the waste products.

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Answer:

D) It’s a series of processes which allow someone to make predictions, test, and make conclusions about a problem

Explanation-

I don't know how to explain

Extracellular signals that are very large and hydrophilic typically cannot diffuse through the plasma membrane due to their size and hydrophilic nature. These signals include proteins such as growth factors and cytokines. Instead, these signals interact with specific receptors on the plasma membrane, triggering a series of intracellular events.

Upon binding to their receptors, these large hydrophilic signals can activate various signaling pathways within the cell. This can lead to the activation of secondary messengers, such as cyclic adenosine monophosphate (cAMP) or inositol triphosphate (IP3), which mediate intracellular signaling cascades.
Alternatively, some large hydrophilic signals can activate cell surface receptors, which in turn initiate a process called endocytosis. During endocytosis, the plasma membrane invaginates and forms a vesicle that engulfs the extracellular signal. This vesicle then internalizes and delivers the signal to the intracellular compartments, allowing it to interact with its target proteins and activate downstream signaling pathways.
In summary, extracellular signals that are large and hydrophilic typically enter the cell by interacting with specific receptors on the plasma membrane, which triggers intracellular signaling cascades or through endocytosis.

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Answer:

lipid

Explanation:

'Chemosynthesis' basically is the process which a bacteria living near a heat vent on the ocean floor use to build carbon-based molecules, such as sugars.

What do you mean by Chemosynthesis?

Chemosynthesis is a process by which some organisms use chemical energy to produce carbohydrates. This process occurs in environments where sunlight is not available, such as deep-sea hydrothermal vents. Organisms such as bacteria and other microbes convert chemicals such as hydrogen sulfide and methane into energy, which they use to produce organic molecules such as glucose.

The bacteria living near hydrothermal vents on the ocean floor use chemosynthesis to build carbon-based molecules, such as sugars, from the hydrogen sulfide and other chemicals that are spewed from the vent. The bacteria use the energy from the chemical reaction to form carbohydrates from the chemical reaction, which are then used as a source of energy for the bacteria. This process is thought to be the first form of energy production for life on Earth, and is seen as an important part of the global carbon cycle.

Hence, option D is correct.

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Chloroplasts, thylakoids, and chlorophyll are the three main biological components that make sure photosynthesis occurs. Chloroplasts found in the mesophyll of leaves are where photosynthesis occurs.

The leaves, stems, and roots of a plant are its principal "organs" or structures. They are composed of collections of specialized tissues with structures that are appropriate for the functions they carry out. The key characteristics of these buildings and their purposes are summarized in the table below. In plants, the chloroplasts, which house the chlorophyll, are where photosynthesis occurs. The thylakoid membrane, a third inner membrane that creates lengthy folds within the chloroplast and is bordered by a double membrane, is present inside chloroplasts.

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Answer:

Cons: Pollution may muddy landscapes, poison soils and waterways, or kill plants and animals. Humans are also regularly harmed by pollution. Long-term exposure to air pollution, for example, can lead to chronic respiratory disease, lung cancer and other diseases What are the pros of pollution?

However, there may be some small advantages to air pollution:

Air pollution helps plants grow. Guess what our factories and cars put in the air? ...

Air pollution slows climate change. Some pollutants we put out heat up the Earth, like carbon dioxide. ...

Air pollution keeps polluted cities cooler in the summer.

Answer:

dependent

Explanation:

You could have many controlled variables, but the acidity is not one of them.

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Answer:

Meiosis is a process where a single cell divides twice to produce four cells containing half the original amount of genetic information. These cells are our sex cells – sperm in males, eggs in females. During meiosis one cell? divides twice to form four daughter cells

Explanation:

a cell divides into 4 new cells, each containing half of the parent cell's genetic info.

Answer:

a

Explanation:

Answer:

answer is D) sister chromatids

To yield haploid cells, in meiosis II separates sister chromatids. The correct option is d.

A sister chromatid is a pair of exact replicas (chromatids) formed by chromosome DNA replication, with both copies joined together by a common centromere.

While meiosis, the sister chromatids separates to yield daughter cells with half of the chromosomes.

Thus, the correct option is d.

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Yes it is TRUE.

A constitutive defense is a defense mechanism that is always present in an organism, regardless of whether there is a threat from a predator or a pathogen.

Examples of constitutive defenses include physical barriers like tough outer coverings, spines, or thorns, as well as chemical defenses like toxic compounds or antibiotics that prevent bacterial infections.

If a defensive compound is always present in an organism, then it MUST be a constitutive defense because by definition, a constitutive defense is always present.

In contrast, an induced defense is only activated in response to a specific threat, such as the presence of a predator or a pathogen. Induced defenses are not always present and are only triggered when needed.

Therefore, if a defensive compound is always present in an organism, it must be a constitutive defense, which makes the statement TRUE.

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The organisms that develop by budding be defined by the biological species No, because this form of reproduction does not allow examination of interbreeding, option C.

In a kind of asexual reproduction called budding or blastogenesis, cell division at one specific place results in the development of a new creature from an outgrowth or bud. The freshly produced creature is a clone and, with the exception of mutations, is genetically identical to the parent organism because the reproduction is asexual. Regenerative cells are used for reproduction in the budding process by organisms like hydra.

A hydra's bud forms as an outgrowth as a result of recurrent cell division at one particular location. When completely grown, these buds separate from the parent body to create new, independent individuals. They first grow into small individuals.

Asexual reproduction by internal budding, also known as endodyogeny, is favoured by parasites like Toxoplasma gondii. It entails a peculiar procedure in which

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Complete question:

One means of reproduction called budding occurs when a new organism develops as an outgrowth of its parent (singular). Could organisms that develop by budding be defined by the biological species concept?

a) Yes, because wild populations of the organisms have different geographic distributions

b) Yes, because this form of reproduction occurs in natural environments

c) No, because this form of reproduction does not allow examination of interbreeding

d) No, because the offspring may look very different than the parent

The definition of a scientific theory is A. A well-supported explanation of why a phenomenon occurs. A scientific theory is a comprehensive and well-tested explanation for a broad range of observations and experimental results that has been extensively tested and validated by multiple lines of evidence over time. It provides a framework for understanding the natural world and can be modified or replaced if new evidence or observations contradict it.