Why did Malva poison Claire?.

Because water has a considerably larger heat capacity, or specific heat, than sands, soils, or other materials do.

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True, if the post-synaptic membrane potential reaches threshold level, an action potential will be produced.

A sudden, quick, temporary, and propagating alteration of the resting membrane potential is known as an action potential. Excitability refers to the property that only neurons and muscle cells possess—the ability to produce an action potential.

A nerve signal is an action potential. These signals are produced by neurons and are carried along their processes as they travel to the target tissues. They will experience some sort of stimulation, inhibition, or modulation after being stimulated.

A stimulus that shifts the membrane potential to threshold potential values causes an action potential to be produced. In most cases, the threshold potential is between -50 and -55 mV.

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Full question:

If the post-synaptic membrane potential reaches threshold level, an action potential will be produced.

True or False

Answer:They all have yellow is because it is a dominant trait

Explanation:

dominant traits are better than recessive traits

Every cell in the human body contains 23 pairs of these chromosomes, giving us a diploid number of 46 and a haploid number of 23. Autosomes are 22 of the 23 pairs.

A 23-chromosome haploid cell (left) and a 46-chromosome diploid cell (right) (right).

Human cells are classified as 'diploid' because they receive two sets of chromosomes, a total of 46 in total, 23 from the mother and 23 from the father. The only exceptions are reproductive (egg and sperm) cells, which are referred to as "haploid" because they have a single set of 23 chromosomes.

Haploid gametes have only one set of chromosomes. As a result, they have half the number of diploid cells. This is because when a sperm cell fertilizes an egg, their chromosomes combine. Because each gamete has a half set of chromosomes, when they combine, the resulting fertilized egg will have a full set. The fertilized egg, known as a zygote, will then begin cell division, with each resulting cell being diploid, meaning it has a complete set of chromosomes.

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The actual length of the chloroplast is 8000 µm..

Actual length is the exact measurement of an object or distance from one point to another. It is the most accurate way of measuring the size of something, as it takes into account all the small details that could affect the measurement. Actual length is important when measuring objects such as buildings, roads, or other large structures, as well as in engineering and construction projects. For example, when constructing a bridge, the actual length of each beam needs to be measured accurately so that it fits properly. In other cases, such as when measuring a room, the actual length of the walls needs to be known so that furniture or other items can fit in the room properly.

The measured length of the specimen is 1 mm. The length of the full specimen on the scale is 8 µm.
Therefore, the actual length of the chloroplast is 8 x 1000 µm = 8000 µm.

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The discovery of Galapagos finches by Darwin postulated that the beak of an ancestral species had adapted over time to equip the finches with different food sources. This is help support his theory of evolution.

The finches of the Galapagos Islands are a prime example of adaptive radiation. A few million years ago, their common ancestor arrived on the islands. Since then, a single species has evolved into several species that are suited to various lifestyles.

The Galapagos finches contributed to Darwin's understanding of natural selection. Darwin's Finches' beaks' favorable adaptations were selected for over generations until they all branched out to form new species. These birds, while nearly identical to mainland finches in every other way, had distinct beaks.

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Contrapposto called to the weight shift and distribution of the body’s muscles at rest it also includes the tensed ripple effect caused throughout the body.

'What is contrapposto?'

In the visual arts, contrapposto is a sculptural technique that dates back to the ancient Greeks. It involves a standing human figure that is positioned so that the weight of the body rests on one leg (known as the engaged leg), freeing the other leg, which is bent at the knee. The hips, shoulders, and head tilt as the weight shifts, signifying relaxation and the delicate organic movement that indicates life within. Both draped and bare people can be depicted in contrapposto. This formula was developed by the Greeks at the beginning of the 5th century BC as an alternative to the stiffly static stance, in which the weight is evenly distributed on both legs, that had previously dominated Greek figure sculpture.

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The cytoplasm of a skeletal muscle cell called Sarcoplasm

Numerous bundles of myofibrils regularly ordered filaments are found inside each skeletal muscle cell, or myofiber. Skeletal muscle's distinctive striped or striated look is caused by the intricately structured arrangement of filaments within the myofibrils.

These are muscle cells. Sarcolemma refers to the covering over muscle fibres. Sarcoplasm refers to the protoplasm found within muscle fibres. In muscle fibres, the endoplasmic reticulum is known as sarcoplasmic reticulum.

The abundant sarcoplasm (i.e., cytoplasm) within the core of the myotube between and around nuclei contains membranous organelles. These are mitochondria with well-formed cristae, Golgi apparatuses generally located at the end of a nucleus, and single-membrane vesicles.

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The most important factor that determines the chemical properties of an element is the number of electrons in the outermost shell.

The most important factor that determines the chemical properties of an element is the number of electrons in the outermost shell. The number of electrons in the outer shell determines the bonding properties of the element. An element's chemical properties are determined by the number of bonds it can form with other elements. And the number of bonds it can form depends on the number of valence electrons present. All elements want to reach a stable state by sharing electrons with each other or transferring electrons to form bonds with other elements. And only the number of valence electrons determines its stability.

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Microtubules are made up of hollow tubes that sustain the cell and direct the movement of organelles.

Microtubules are internal cell structures that, during cell division, enable the division of the cell into equal halves, according to the science of biology. Microtubules are involved with tracking the movement of other organelles in a cell in addition to their role in cell division. This enables other organelles to carry out their tasks effectively. The microtubules, which are hollow tubes, are also linked to providing a cell with adequate support.Tubulin polymers make up microtubules, which are a component of the cytoskeleton. The functions of the microtubules include intracellular transport, cilia and flagella structural support, cell division, and maintenance of the shape and structure of the cell.

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Based on the determined sinuosity of the river, it can be concluded that the river is meandering.

Sinuosity is a measure of how much a river meanders or curves. It is a ratio of the river’s entire curved length compared to a straight path from the river’s beginning to its end.

Mathematically,

Sinuosity = river length / straight-line length

Considering the given river in the diagram

The length of the river = 30 cm

The straight-line length = 15 cm

Sinuosity = 30/15

Sinuosity = 2

Since the sinuosity is greater than 1.5, the river is meandering.

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A group of cells called granular pneumocytes, which are also present in the alveolar walls and are thought to help lower the surface tension of the alveoli, are among the other cells found there.

A number of the pulmonary extracellular matrix's constituent parts were formed in primary cultures of rat alveolar type II epithelial cells (granular pneumocytes). Two of these elements, type IV procollagen and fibronectin, were partially purified through fractionation by ion-exchange chromatography of radiolabeled protein released into the culture medium. Studies using radioimmune precipitation and affinity-purified antibodies verified the identification of these proteins by sodium dodecyl sulfate-polyacrylamide gel electrophoresis. Additionally, thrombospondin, a platelet alpha-granule protein that has recently been demonstrated to be released by endothelium and other cells with mesenchymal ancestry and may play a role in platelet aggregation, was isolated by elution from diethylaminoethylcellulose with 0.5 M NaCl.

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Blood brings oxygen and nutrients to all the parts of the body so they can keep working. Blood carries carbon dioxide and other waste materials to the lungs, kidneys, and digestive system to be removed from the body.

The ability to eradicate diseases through genetic engineering might be advantageous to human society.

With improved agricultural yields and the ability to fend off pests, droughts, and floods, genetic technologies are revolutionizing the way we grow food. Along with raising life expectancy and quality of life, they are also providing fresh approaches to the fight against cancer and many other inherited disorders.

Increased crop yields, lower production costs for food or drugs, less need for pesticides, improved nutrient composition and food quality, disease and pest resistance, greater food security, and medical advantages for the world's expanding population are a few advantages of genetic engineering in agriculture.

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Answer:

4. it involves two rounds of nuclear division

Explanation:

unlike mitosis, meiosis involves two rounds of nuclear division, not just one. Despite this fact, many of the other events of meiosis are similar to those that occur in mitosis.

For places that receive a bit more rain each year and can grow short grasses, grazing herds are a suitable option.

Although many marginal, semi-arid steppe areas have been planted with crops, they are not economically viable; most of the cereals produced in these areas are fed to livestock; however, grain yields in these areas are very low and produce no more livestock products than would be produced in natural grassland, despite being much more expensive.

A wide variety of specialized crops can be supported by well-drained, loamy soils. Stone fruit and root crops cannot be grown in clay soils with a finer texture and poor drainage without significant modification. When cultivated, excessively sloped land is vulnerable to erosion and is best suited for perennial plants.

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The multidisciplinary method used in this course to comprehend the intricacy of our connections with non-human animals is based on scientific data and investigates how those relationships have evolved over time.

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The transporter proteins to allow water and sugar through the cell is following molecules are needed to successfully create a transgenic organism (GMO).

Most of the proteins are then transported to the Golgi apparatus in membranous vesicles. Some proteins, however, need to stay in the ER and do their job there.

Transport by a carrier protein can be passive or active. One of the types of transport carried out by carrier proteins is mediated passive transport (facilitated diffusion), which is the displacement of a substance from a region of high concentration to one of low concentration, without energy expenditure.

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The four most abundant elements found in living systems are carbon, hydrogen, nitrogen, and oxygen. In living systems and are essential for the formation of the molecules of life.

Carbon is the building block of organic molecules i.e  living systems such as carbohydrates, lipids, nucleic acids, and proteins. Nitrogen is an essential component of many biomolecules such as amino acids, which are the building blocks of proteins, and nucleotides, which make up nucleic acids. Nitrogen , Oxygen is also a component of many molecules such as water, and is involved in many chemical reactions that take place in living systems . Together, these four elements make up over 99% of the atoms in living systems and are essential for the formation of the molecules of life, the functioning of the cell, and the overall survival of living systems .

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The correct option is  A; Age when reproduction begins, how often reproduction occurs, and how many offspring are produced per reproductive episoded.

A species' life cycle is determined by the timing of its growth, reproduction, and mortality.

Lengthy gestation durations of many months, gradual maturation (and consequently extended parental care), and long life spans are characteristics of K-selected species. Furthermore, they like to live in biological communities that are rather stable, such as late-successional or climax forests (see ecological succession).

Variables in an experiment are typically of three types: independent, dependent, and controlled. The independent variable is the one that the scientist alters. A good experiment has only ONE independent variable to ensure a fair test.

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Pimples form when germs, dead skin, and oil become trapped in a pore, causing swelling and irritation.

outline dead skin cells ?

The term "dead skin" refers to the dead skin cells that our bodies constantly shed and replace with new cells. Every day, our bodies shed between 30,000 and 40,000 skin cells. Normal cell turnover occurs once every 30 days.

Desquamation involves the production of new skin cells as well as the removal of dead skin cells. However, dead skin cells may not always shed regularly. When this happens, they might accumulate and manifest as dull, flaky skin. Understanding what's causing this will help you figure out how to fix it.

Blackheads form when oil and dead skin cells become trapped in the pore yet the pore stays open. Whiteheads are formed when a pore closes over and fills with a little quantity of white pus. Pimples form when germs, dead skin, and oil become trapped in a pore, causing swelling and irritation.

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During Nerve Impulse Transmission, At the Resting State the outside of Neuron is more Positively charged than Inside of Neuron due to more sodium ions.

Nerve Impulse transmission is the process by which a neuron transmits a signal or impulse from one point to another and thereby to the adjacent neurons finally reaching the Brain. The Outside of Cell have more Sodium ions and Inside have more Potassium ions although the cell always want high Potassium or K+ ions inside and this is achieved by Active Transport Mechanism called Sodium- Potassium Pump. During the Resting Membrane Potential of -70 Mv the outside have more Positive Charge due to more Sodium ions. When an impulse reaches a sudden reversal of this charge occurs at the point of impulse contact and is transmitted electrically through the opening of Gated ion Channels. This Process is called Nerve Impulse Transmission.

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The correct option is (D) because the purpose of the endoplasmic reticulum is to manufacture proteins and the proteins are synthesized in prokaryotic by ribosomes that are free within the cell's cytoplasm.

Single-celled microbes known as prokaryotic cells are estimated to be the oldest on the planet. Bacteria and Archaea are examples of prokaryotes. Cyanobacteria are photosynthetic prokaryotes that perform photosynthesis. Because a prokaryotic cell has a single membrane, all processes take place within the cytoplasm. They can be either free-living or parasitic. The following is the structure of a prokaryotic cell: In addition to the cell wall, capsules are an outer protective layer found in bacterial cells. It aids in moisture retention, cell protection when engulfed, and cell adhesion to nutrients and surfaces. Cell Wall is the cell's outermost layer that gives the cell form and the cytoplasm is a gel-like component and cell component that is mostly constituted of enzymes, salts, and cell organelles. Ribosomes are tiny particles found in bacterial cells. They are composed of ribosomal protein and act as a protein production site. Certain organelles, such as mitochondria, endoplasmic reticulum, and Golgi bodies, are absent in prokaryotic cells.

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The complete question is: All of the following cell components are found in prokaryotic cells except

(A) A cell wall

(B) Ribosomes

(C) DNA

(D) An endoplasmic reticulum

(E) A plasma membrane

Connective tissue wrapped around each muscle fiber is Endomysium.

Along with epithelial tissue, muscular tissue, and nerve tissue, connective tissue (sometimes known as fibrous tissue) is one of the four main forms of animal tissue. It grows from mesenchyme, the intermediate embryonic germ layer that is descended from mesoderm. Everywhere in the body, including the nervous system, connective tissue may be found in the spaces between other tissues. Connective tissue makes up the three meninges, which are membranes that surround the brain and spinal cord. Each individual muscle fiber, or muscle cell, is sheathed in the thin layer of areolar connective tissue known as the endomysium, or within the muscle. Nerves and capillaries are also present. The sarcolemma covers the cell membrane of the muscle fiber. The tiniest and deepest part of muscular connective tissue is called endomysium.

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Specialization lowers production costs. Both parties benefit from the voluntary exchange that occurs when one person specialises to create one good and then purchases other desired goods from those other experts.

They become more proficient at a task the more they concentrate on it, which reduces the time and cost necessary to produce a good. In other words, more items can be produced with the same amount of time and money. The end consequence is that civilization as a whole can consume and produce much more than if each person tried to generate all of their own products and services. This is because workers can concentrate on their preferences and abilities, learn to do their specialised occupations better, and work in larger organisations. In order to become more effective, specialisation in business is concentrating on a single product or a small range of items.

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Microorganisms are beneficial to humans except that Pseudomonas, molds, and other microorganisms break down lettuce and strawberries at refrigeration temperatures. Here option A is the correct answer.

Microorganisms play an important role in many food industries by fermenting carbohydrates in food products. This process results in the production of lactic acid, which can be used to preserve food, change the texture and flavor of food, and also increases the nutritional value of food.

Examples of fermented food products include yogurt, cheese, sauerkraut, beer, and wine.

Microorganisms are also used in the production of antibiotics, vitamins, and enzymes. They are also used in the bioremediation of pollutants and in the production of biofuels.

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Biological approach to psychology focuses on the brain and   nervous system, hormones and genetics.

Biological psychologists usually studies human brain that to specialized parts, or systems, and their complexity and relationships. In Biological perspective it is considered that psychological disorders are linked to many biological phenomena, that includes genetic factors, chemical imbalances, and other brain abnormalities .

Hence, these studies within biological psychology also include neural mechanisms, genetics, behavior, and other relationship that lies between  body and the mind. Studies of normal brain function and how brain disease and injury influence behaviors, feelings, and thoughts are the research outcomes of these studies.

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an RNA-nucleotide sequence and an amino-acid sequence.

The relationship between is specified by the genetic code.an amino acid sequence and an RNA nucleotide sequence.One end of the a tRNA molecule connects with a complementary during translation.An amino acid sequence and an mRNA nucleotide sequence.RNA is copied form DNA in eukaryotic cells.

An expected reflection of the pleiotropic action on genes or the correlation among causal loci in two qualities is reflected by the genetic correlation, a quantitative genetic measure that describes a genetic link between two phenotypes.

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If oxygen is allowed to enter the carboy during fermentation, yeasts would perform aerobic respiration.

In aerobic respiration, yeast cells use oxygen as the final electron acceptor to produce energy, this process will produce carbon dioxide (CO2) and water (H2O) as the main by-products. During fermentation, yeast cells ferment sugars to produce energy without using oxygen. In the absence of oxygen, yeast will ferment sugars anaerobically to produce ethanol and CO2 as the main by-products.If oxygen is allowed to enter the carboy during fermentation, yeast will switch from fermentation to aerobic respiration. This can lead to several potential problems for the homebrewer. For example, the final alcohol content of the beer will be lower, the beer will have a different flavor and aroma, and the yeast may produce other by-products such as acetaldehyde, which can give a green apple-like taste to the beer. Additionally, the process can be halted.

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