Why aren’t descriptive investigations relatable

The correct sequence of the stages of the M phase of the cell cycle is Prophase, Metaphase, Anaphase, Telophase. Option 3 is correct.

During the M phase of the cell cycle, the cell undergoes mitosis, which is the process of dividing the genetic material (chromosomes) into two identical nuclei. The four stages of mitosis are prophase, metaphase, anaphase, and telophase. During prophase, the chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and the spindle apparatus begins to form.

In metaphase, the chromosomes line up at the equator of the cell and attach to the spindle fibers. In anaphase, the sister chromatids separate and are pulled to opposite ends of the cell. Finally, in telophase, the nuclear envelope reforms around the chromosomes, the spindle apparatus disassembles, and the cell divides into two identical daughter cells. Understanding the stages of mitosis is important for studying cell division, development, and cancer. Hence Option 3 is correct.

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A biome is a large area dominated by specific kinds of organisms and its abiotic factors. It is an interacting community of different species that are adapted to their environment.

Here, correct option is B.

Biomes are characterized by different climates, soil types, vegetation, and animal life. For example, the grassland biome consists of large open areas of grasses, shrubs, and trees, and is populated by animals such as gazelles, zebras, and antelopes.

The desert biome consists of dry, barren land with sparse vegetation and is populated by animals such as snakes, lizards, and jackrabbits. Each biome is unique and has its own distinct characteristics, but all biomes are interconnected and dependent on each other.

Therefore, it is important to maintain a balance between the different biomes, as any changes in one biome can have serious repercussions on the other biomes.

Therefore, correct option is B.

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complete question is :

which phrase best defines a biome?

A. responses a large area dominated by specific kinds of organisms

B. a large area dominated by specific kinds of organisms a community and its abiotic factors

C. a community and its abiotic factors a group of individuals of the same species

D. a group of individuals of the same species an interacting community of different species

Beverly has just experienced a reflex.

A reflex is an involuntary and automatic response to a stimulus. In this scenario, when Beverly accidentally touched the hot flat iron, her hand was immediately withdrawn without any conscious thought or decision-making process. This rapid and involuntary reaction is mediated by the reflex arc, which involves sensory neurons sensing the stimulus (in this case, heat) and transmitting the information to the spinal cord. The spinal cord then processes the information and generates a motor response (withdrawal of the hand) through motor neurons, bypassing the need for conscious control or involvement of the brain.

Reflexes serve as a protective mechanism, allowing the body to respond quickly to potentially harmful or dangerous stimuli. They are important for maintaining the body's safety and well-being.

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No, a change to a G would not result in a change in gene expression as the underlined C is a non-coding nucleotide and does not have any effect on gene expression.

Non-coding DNA corresponds to the portion of an organism's genome that does not code for amino acids, the building blocks of proteins. Some noncoding DNA sequences are known to play functional roles such as regulation of gene expression, whereas other regions of noncoding DNA have no known function. Other regions of non-coding DNA are important for protein assembly. By altering one of these regions, a variant (also known as a mutation) in the noncoding DNA can turn on the gene, causing the protein to be produced in the wrong place or at the wrong time. There are two types of SNPs in the coding region.Synonymous and non-synonymous SNPs. Synonymous SNPs do not affect the protein sequence, whereas non-synonymous SNPs change the amino acid sequence of the protein.

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A target cell/tissue/organ, with respect to the endocrine system, refers to the specific cell, tissue, or organ that receives and responds to hormonal signals released by endocrine glands.

These target sites contain specific receptors that bind to hormones, resulting in a specific physiological response. Target cells/tissues/organs are critical components of the endocrine system as they determine the physiological effects of a hormone. Different hormones have different target cells/tissues/organs, and each target has specific receptors that are able to recognize and bind to the hormone.

The binding of the hormone to its receptor initiates a series of cellular and biochemical processes that ultimately lead to a physiological response.

In the endocrine system, hormones are produced by glands and secreted into the bloodstream to act on target cells, tissues, or organs in order to regulate various physiological processes.

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Answer:

Technology is necessary for scientists to perform experiments is the correct answer

Explanation:

Answer:

it be A: Technology improves a scientist’s ability to make observation

Explanation:

I hope this helps if u need a explanation just ask :D

Chloroplasts containing 70s ribosomes is evidence for the endosymbiotic theory. The correct answer is a.

According to the theory, chloroplasts were once free-living bacteria that were engulfed by a larger host cell. Over time, the host and the engulfed bacteria formed a mutually beneficial relationship, with the bacteria providing the host with energy through photosynthesis and the host providing the bacteria with protection and nutrients. The fact that chloroplasts still contain 70s ribosomes, which are found in bacterial cells but not in eukaryotic cells, suggests that they are descended from free-living bacteria that were engulfed by a larger host cell.
The correct statement that provides evidence for the endosymbiotic theory is: a. Chloroplasts contain 70S ribosomes.

The endosymbiotic theory suggests that chloroplasts, which are organelles found in plant cells, were once free-living bacteria that were engulfed by a larger host cell. Over time, the two formed a symbiotic relationship. The presence of 70S ribosomes in chloroplasts, which is similar to those found in bacteria, supports this theory.

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However, in the case of a bacterium, cell division serves purposes other than simply producing more cells for the organism. Instead, it is how bacteria multiply, or increase the number of bacteria in a population.

When people talk about "cell division," they typically mean mitosis, which is the process of creating new cells for the body. The cell division process known as meiosis is what produces egg and sperm cells. A vital process for life is mitosis.

In bacteria, cell division takes place when the membrane and peptidoglycan (PG) cell wall of the envelope layers infiltrate to form a septum that divides the cell into two compartments. Later on, the septal PG is hydrolyzed.

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He made the discovery of the simultaneous descent of objects of various masses in the motion of uniformly accelerated objects. Galileo announced his first scientific discovery of the telescope on August 21, 1609, to the world's awe.

The study of the Earth's structure, characteristics, processes, and 4.5 billion years of biotic development is known as earth science. Maintaining life on the earth requires an understanding of these phenomena.

The study of the earth's atmosphere (meteorology or atmospheric science), the water flowing on and beneath the surface of continents (hydrology), and the planet's seas and oceans are frequently included under the umbrella of "earth science" in general usage (oceanography or ocean sciences).

Thus, these are some of the first discoveries in Earth Science.

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Answer:

true

Explanation:

Answer:

organic molecules and cations

the answer is c

hope that this helps

Answer:

the U.S. Fish and Wildlife Service

Explanation:

it assists with efforts to recover endangered species, conserve migratory birds, preserve wildlife habitat, safeguard fisheries, combat invasive species and promote international wildlife conservation.

The approximate population size of raccoons in the neighborhood, using the Lincoln-Petersen Index formula, is 48.

To estimate the approximate population size of raccoons in your neighborhood using the catch-and-release method, we need to follow these steps:

Step 1: Record the number of raccoons marked in the first sample. In this case, you marked 12 raccoons.

Step 2: Record the total number of raccoons caught in the second sample. In this case, you caught 16 raccoons.

Step 3: Record the number of marked raccoons in the second sample. In this case, there are 4 marked raccoons.

Step 4: Use the Lincoln-Petersen Index formula to estimate the population size. The formula is:

Population Size = (Number of raccoons marked in the first sample * Total number of raccoons caught in the second sample) / Number of marked raccoons in the second sample

Step 5: Plug the numbers into the formula:

Population Size = (12 * 16) / 4

Step 6: Calculate the population size:

Population Size = 192 / 4

Population Size = 48

Therefore, the approximate population size of raccoons in the neighborhood is 48.

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Answer:

They can help visualize the data.

You can actually see what all of the numbers in a data table mean.

Explanation:

Its hard to look at a set of data and understand what it means without organizing it in a way which is easy to understand and refer back to.

The system that "filters" blood before it enters the brain is called the blood-brain barrier.

This barrier is made up of tightly packed cells in the capillaries of the brain that prevent harmful substances from entering the brain while allowing necessary nutrients and oxygen to pass through. The blood-brain barrier helps to protect the brain from toxins, infections, and other harmful substances in the bloodstream.

The blood-brain barrier (BBB) is an extremely selective, semipermeable boundary of endothelial cells that keeps blood-borne solutes from unintentionally entering the extracellular fluid of the central nervous system, where neurons are found. The capillary endothelial cells, astrocyte end-feet, and pericytes imbedded in the capillary basement membrane combine to form the blood-brain barrier. This system allows for the selective and active transport of numerous nutrients, ions, organic anions, and macromolecules like glucose and amino acids that are essential for brain function. It also permits the passive diffusion of some tiny molecules.

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Answer:

Pain and lowers the sensitivity to heat and cold.

Explanation:

Atherosclerosis leads to serious problems, lowers the sensitivity to heat and cold and increasing your risk of burns due to narrowing of arteries which decrease the flow of blood to the lower region of the body. We know that our organs needs blood to function properly so this decrease in the flow of blood leads to starvation of the muscles and other tissues in the lower body. Poor circulation of blood to lower region can cause pain in the legs.

(a) The probability that a randomly selected potential traveler will fall within the permitted height range is approximately 68.27%.

(b) The probability that a randomly selected group of 10 travelers will all be within the permitted height range is approximately 23.76%.

(c) The distribution of the mean weight of a sample of 10 travelers follows a normal distribution with a mean of 48kg and a standard deviation of 0.95kg.

(a) To calculate the probability that a randomly selected potential traveler will fall within the permitted height range, we need to find the area under the normal distribution curve between the heights of 170cm and 190cm. Using the properties of the normal distribution, we can calculate that approximately 68.27% of the population falls within one standard deviation of the mean. Therefore, the probability that a randomly selected potential traveler will fall within the permitted height range is approximately 68.27%.

(b) To calculate the probability that a randomly selected group of 10 travelers will all be within the permitted height range, we need to calculate the probability of each traveler falling within the range and then multiply those probabilities together. Since each traveler's height is independent of the others, the probability that a single traveler falls within the range is approximately 68.27%. Therefore, the probability that all 10 travelers fall within the range is approximately (0.6827)^10, which equals approximately 23.76%.

(c) The distribution of the mean weight of a sample of 10 travelers follows a normal distribution with the same mean as the individual weights (48kg) but a standard deviation that is the original standard deviation (3kg) divided by the square root of the sample size (10). Therefore, the standard deviation of the mean weight of the sample is 3kg/sqrt(10) ≈ 0.95kg.

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The layer of soil closest to the surface is the topsoil. Topsoil is the uppermost layer of soil that is rich in organic matter and nutrients, making it the most fertile layer of soil. option b is correct.

It typically ranges from 2 to 8 inches in depth and is formed by the accumulation of decomposed plant material and other organic matter over time. Topsoil is crucial for plant growth as it provides the necessary nutrients and water for plants to thrive.

Beneath the topsoil is the subsoil layer, which is typically made up of larger particles and is less fertile than the topsoil. The parent rock, which is the rock layer from which the soil originated, is located beneath the subsoil layer and can be hundreds or thousands of feet below the surface. The parent rock influences the properties of the soil layers above it, such as their texture, mineral content, and drainage capabilities.

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Answer:

A. Prokaryotic

Explanation:

The prokaryotic type cell lacks a nucleus and other organelles.

Answer:

A. the prokaryotic

they live for short period of time due to no nucleus

Iga is typically found as a dimer in high levels of secretions such as milk, tears, and saliva.To neutralize toxins and pathogens is the primary function of iga in secretions.

Any organism or agent that can cause disease is considered a pathogen in biology in the broadest and most traditional meaning. An infectious organism or plain old germ can also be used to describe a pathogen. Pathogens include bacteria, fungi, viruses, and parasites that can infect the body and harm the immune system. Among many others, micro organisms that cause significant infections include anthrax, HIV, the Epstein-Barr virus, and the Zika virus. Pathogenic viruses are those that can multiply and infect human cells, where they then cause disease. Public health is now seriously threatened by the persistent emergence and reemergence of dangerous viruses. Pathogens that can cause disease most commonly enter our bodies through the mouth, eyes, nose, or urogenital openings, as well as through skin wounds.

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Answer:

A monkey can occupy two tropic levels in a food chain. These levels can be primary consumers or secondary consumers.

Answer:

two, because they eat plants and insects

Explanation:

Answer:

All cells have plasma membranes. Can molecules enter and leave the cell? Yes. The plasma membrane (also called the cell membrane), is a lipid barrier where molecule organelles live. The golgi ( a cell organelle) helps move the proteins across the plasma membarane. Proteins cannot move through the plasma membrane barrier by themselves because they are not small enough like water.

Explanation:

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Answer:

fruiting body is called cap

The mycelium is the fruiting body found above ground in fungi.

The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.

A hypha is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.

A mycelium is a network of fungal threads or hyphae. Mycelia often grow underground but can also thrive in other places such as rotting tree trunks. A single spore can develop into a mycelium. The fruiting bodies of fungi, such as mushrooms, can sprout from a mycelium.

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Answer:

Human beings change resources in two new form like people use natural resources to make buildings, bridges ,machinery and vehicles with the help of technology such resources are called human-made resources. ... Likewise, technology is also a man-made resource. Man-made resources are mostly renewable.

Human made resources are those resources that are created by humans, as opposed to being found in nature. This includes both physical resources like buildings, machines, and tools, as well as intangible resources like intellectual property, knowledge, and know-how. Human made resources are a key factor in economic development and prosperity, and are essential for businesses and organizations of all sizes.

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Answer:

The importance of soil air are mentioned below:

Answer:

Smoking ciggies is known too cause cancer

Sunbathing has little risk but can cause skin damage, but tanning can cause cancer.

Malnutrition has a a high chance of cancer

X ray expose can but only in really high dosage (not the ones used in hospitals)

Explanation:

I would say that if 4 is talking more about The X ray´s used in hospitals and medical equipment, go with that one.