There are 25 elements found in living things. How many of these elements are found in some organisms but not all?​

It is true that an osteon contains osteocytes, lamellae, and a central canal, and is found in compact bone only.

Compact bone is made up of closely packed osteons, also known as haversian systems. The osteon is made up of a central canal named the osteonic (haversian) canal that is guarded by concentric rings of matrix (lamellae). The bone cells (osteocytes) have been located in called lacunae between the matrix rings.

To provide passageways thru the hard matrix, small channels (canaliculi) radiate from either the lacunae to a osteonic (haversian) canal. The haversian systems in compact bone are packed tightly together just to form what appears to be solid mass. Blood vessels run parallel to the length of the bone in the osteonic canals. These blood vessels communicate with vessels on the bone's surface via perforating canals.

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Answer:

I know one of them is endocrine

Explanation:

sorry i don't know the other ):

C. A green pigment called chlorophyll

La familia juega un papel muy importante en la vida de un individuo.

Las contribuciones de nuestra familia nos brindan un apoyo tanto emocional como práctico, el apoyo que toda persona necesitaba en su vida. Se considera como la primera institución que brinda educación al niño y también socializa a los niños.

Ayuda a regular la actividad sexual y proporciona una identidad social a sus miembros. de modo que, al ver la contribución de una familia, podemos concluir que la familia juega un papel muy importante en la vida de un individuo.

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Answer:

Exocytosis

Explanation:

"a process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane."  

You can tell because the content is exiting the cell and fusing with the cell membrane.

Foliated metamorphic rocks possess a planar fabric consisting of mineral grains in preferred orientations or preferred patterns of association (banding).

Option B) is correct.

Foliated metamorphic rocks exhibit a distinct texture known as foliation, characterized by the presence of a planar fabric consisting of mineral grains aligned in preferred orientations or exhibiting preferred patterns of association, commonly referred to as banding. This texture develops due to the reorientation and deformation of minerals under intense heat and pressure during the metamorphic process.

The alignment and layering of minerals create a visible foliation that can range from subtle to pronounced, giving the rock a distinct layered appearance. This foliation provides valuable information about the rock's geological history and the conditions under which it formed.

Therefore, the correct option is B)

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Complete question is:

Foliated metamorphic rocks possess which of the following?

A) Leafy plant fossils (ancient foliage)

B) A planar fabric consisting of mineral grains in preferred orientations or preferred patterns of association (banding)

C) A homogeneous texture resulting from randomly oriented grains

D) Minerals precipitated directly from sea water

In Avery, MacLeod, and McCarty's experiment, the enzyme present in the mixture of R and S strains that did not result in the death of mice was DNase. This enzyme breaks down DNA, preventing transformation.

Avery, MacLeod, and McCarty conducted their experiment to determine the substance responsible for transforming nonvirulent bacteria (R strain) into virulent bacteria (S strain). They treated the mixture of R and S strains with different enzymes, including protease (which breaks down proteins), RNase (which breaks down RNA), and DNase (which breaks down DNA). When the mixture was treated with DNase, the transformation process was halted, and the mice remained alive. This indicated that DNA was the primary substance responsible for the transformation.

This groundbreaking experiment provided strong evidence that DNA, not proteins or RNA, is the genetic material responsible for the inheritance of traits. The DNase enzyme played a crucial role in this discovery, as its presence in the mixture of R and S strains prevented the transmission of virulent traits and demonstrated the importance of DNA in the process of transformation.

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Nitrogen in Plants

Nitrogen in PlantsNitrogen is so vital because it is a major component of chlorophyll, the compound by which plants use sunlight energy to produce sugars from water and carbon dioxide (i.e., photosynthesis). It is also a major component of amino acids, the building blocks of proteins

Answer:

Through eating plants and animals.

Explanation:

Usable nitrogen is not achievable simply. It can also not be obtained directly. Animals must receive nitrogen from consuming plant-based foods (plants) or other animals.

Nitrogen is significantly relevant/important to animals and plants since nitrogen produces proteins to these animals and chlorophyll to the plants. Nitrogen also helps with the growth and creation of DNA towards animals and plants.

In the Pokemon world, there are various types of gemstones, but the one that glows over a Pokemon is known as the Evolution Stone.

It's a special type of gemstone that is used to evolve certain Pokemon species when exposed to them. There are different types of Evolution Stones, and each one has a unique effect on different Pokemon. Here are some of the most common Evolution Stones in the Pokemon games: Fire Stone: This stone is used to evolve Pokemon that are based on fire, like Eevee and Vulpix. Water Stone: This stone is used to evolve Pokemon that are based on water, like Poliwhirl and Shellder. Thunder Stone: This stone is used to evolve Pokemon that are based on electricity, like Pikachu and Eevee.

Leaf Stone: This stone is used to evolve Pokemon that are based on plants, like Exeggcute and Gloom.Moon Stone: This stone is used to evolve Pokemon that have a connection to the moon, like Clefairy and Jigglypuff.Sun Stone: This stone is used to evolve Pokemon that have a connection to the sun, like Sunkern and Gloom.Dawn Stone: This stone is used to evolve certain Pokemon, like Kirlia and Snorunt, depending on the time of day and gender of the Pokemon.In conclusion, the name of the gemstone that glows over a Pokemon is Evolution Stone. It's used to evolve certain Pokemon species when exposed to them.

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Plants make their own food by a process called Photosynthesis. ... Photosynthesis is done with the help of carbon-dioxide, water, and sunlight. The end products of photosynthesis are oxygen, which the plants release, and carbohydrates, which become the plants' source of energy

Plant cells contain chloroplast which contains a pigment called chlorophyll that takes in the sunlight and creates food and energy for the plant to survive and grow. This process is known as Photosynthesis, which is the process of preparing and creating food for the plant to grow and get energy. This process uses carbon dioxide, water and sunlight to create food and turns the carbon dioxide to oxygen for other living beings to use.

Hope that helped

d forgive me if im wrong!

Body tissues are systems of specialized cells that carry out a common function. The structure of the proteins in a tissue affects the function of the tissue. The answer is d).

Proteins are the building blocks of tissues, and the structure of the proteins determines their function in the tissue. Proteins are made up of amino acids, and the sequence of amino acids determines the structure of the protein.

This structure determines the function of the protein, which in turn affects the function of the tissue. For example, the structure of collagen, a protein found in connective tissue, determines its ability to provide support and structure to the tissue.

Similarly, the structure of myosin and actin, proteins found in muscle tissue, determines their ability to contract and generate force. Therefore, the structure of proteins in a tissue plays a crucial role in determining the function of the tissue, which is option d)

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Answer:

D

Explanation:

Answer:

Changes in pH and temperature can significantly affect enzyme activity. Enzymes are proteins that function as catalysts in biological reactions. They have specific pH and temperature ranges at which they exhibit optimal activity. Deviations from these optimal conditions can lead to a decrease or loss of enzyme activity. Here's how pH and temperature affect enzyme activity:

1. pH: The pH scale measures the acidity or alkalinity of a solution. Enzymes have an optimal pH at which they function most efficiently, and this can vary depending on the specific enzyme. pH affects enzyme activity by influencing the ionization state of amino acid residues within the enzyme's active site. Deviations from the optimal pH can disrupt the enzyme's structure and alter its ability to bind to the substrate. If the pH moves too far away from the optimal range, the enzyme may denature and lose its catalytic activity.

2. Temperature: Enzyme activity is also highly sensitive to changes in temperature. Increasing the temperature generally enhances enzymatic activity up to a certain point, known as the enzyme's optimal temperature. This increase in activity is because temperature affects the rate of molecular motion, allowing more collisions between the enzyme and the substrate. However, excessively high temperatures can denature the enzyme by breaking the hydrogen bonds and other non-covalent interactions that maintain its structure. When denaturation occurs, the enzyme loses its shape, including its active site, rendering it non-functional. On the other hand, extremely low temperatures can reduce enzyme activity by slowing down the molecular motion and restricting the availability of energy required for the catalytic process.

DNA replication is considered to be semiconservative because the end product consists of one old strand and one newly synthesized strand.

The particles that make up your or your friend's body do not have a higher average kinetic energy since they have the same temperature.

This is the energy that a body possesses as a result of its motion, whereas temperature is the degree of hotness or coolness of a substance.

We were told that they are both 38 degrees Celsius, implying that the particles in both bodies have the same average kinetic energy. It is also worth noting that the average kinetic energy increases with increasing temperature and vice versa.

Kinetic energy is classified into five types: radiant, thermal, acoustic, electrical, and mechanical.

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Answer:

life is dynamic because without life we can not do anything .we will be like non living things.by the life we are able to move here and there .

Prokaryotic cells vary in cell wall composition.  The correct option is D.

Prokaryotes and eukaryotes differ from one another in a number of significant ways. These distinctions include structural variance, such as whether a nucleus is present or missing, and molecular variation, such as whether the DNA is in a circular or linear shape.

The nuclear membrane is absent. Lysosomes, chloroplasts, Golgi bodies, and mitochondria are not present. One chromosome contains all of the genetic material. They are deficient in the histone proteins, which are crucial parts of eukaryotic chromosomes. An exterior layer called a plasma membrane divides the interior of a cell from its surroundings.

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Answer:

Antibiotics produced by bacteria, mold, or yeast can be classified as irreversible inhibitors.

Explanation:

An irreversible inhibitor inactivates an enzyme by bonding covalently to a particular group at the active site. Hope this helped :)

This ruling explains what wakes during meiosis. Copied chromosomes, which are made up of two sister chromatids, mate with their homologous counterparts during meiosis. Synopsis, sometimes referred to as this pairing takes place during Prophase I of Meiosis I.

During mitosis, every chromosome that has been copied pairs with a homologous chromosome.

In the cell's center, paired homologous chromosomes are aligned in a straight line.

The center of the cell is lined up with one row of chromosomes.

One division occurs in the cell nucleus.

When this happens, the parent cell divides into two diploid daughter cells.

Meiosis: Tetrads may develop and crossing-over happens.

A total of four non-identical haploid daughter cells are produced.

Chromosomes that are identical do not pair.

Meiosis is a specialized type of cell division that produces four haploid daughter cells with genetic variation. Mitosis is the process of cell division that produces two identical diploid daughter cells.

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Answer:

cell division

Explanation:

I hope this answer finds you well. In an effort to assist your understanding of the topic, I would like to provide you with an explanation. Please let me know if you have any questions or if there is anything else I can do to help.

Cell division can occur through two main processes: mitosis and meiosis. Mitosis is the process by which a single cell divides into two identical daughter cells, each with the same number of chromosomes as the parent cell. This process is important for the growth and repair of tissues in the body. Meiosis, on the other hand, is a specialized form of cell division that occurs in reproductive cells, such as eggs and sperm. During meiosis, the cell divides into four daughter cells, each with half the number of chromosomes as the parent cell. This process is necessary for sexual reproduction and the creation of genetically diverse offspring.

The other options you provided, metaphase, interphase, and G1 phase, are all stages of the cell cycle, which refers to the series of events that occur in a cell leading up to cell division. Metaphase is a stage of mitosis during which the chromosomes line up in the middle of the cell. Interphase is the stage of the cell cycle between cell divisions, during which the cell grows and prepares for division. The G1 phase is the first stage of interphase, during which the cell performs its normal functions and grows in size.

The plastic motion in the mantle is caused by the high temperatures in the mantle, which cause the mantle to deform slowly like a viscous fluid.

Molten lava moves in a slow, plastic manner, similar to the movement of the mantle. This type of movement is due to the high viscosity and solid-like behavior of the mantle material, which is partially solid and partially liquid.

The movement is driven by the temperature differences, pressure gradients, and convection currents within the mantle, which cause slow and gradual flow over long periods of time.

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Microfilaments (Actin filaments), Intermediate filaments and Microtubules - these three components of the cytoskeleton work together to provide structural support, maintain cell shape, facilitate cell movement, and enable various cellular processes.

The major molecular structural components of the rods and tubules of the cytoskeleton are as follows:

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I believe it is called lipogenesis.

At the conclusion of the Permian period, about 252 million years ago, the last living trilobites eventually went extinct.

Where may one find fossilized trilobites?

In the rough mountains of western Canada, the flat plains of eastern Europe, the sweltering deserts of northern Africa, and the lush hills of southern China, their fossilized remains can be found. Trilobites can be found on every continent of the world where Paleozoic outcrops are present.

Over 22,000 different species of trilobites have been identified, making them one of the most successful early organisms. They have been present in oceans for approximately 270 million years.

Therefore, A trilobite is one of the earliest common fossils.

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Answer:

Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.