Can I get help Plz??? THIS IS DUE TODAY IN 20 MIN!!! I don't understand this at all...

The label on the animal cells for each organelle is attached below.

Cell membrane: The cell membrane is the outer layer of the cell. It protects the cell from its surroundings and controls what enters and leaves the cell.

Rough endoplasmic reticulum: The rough endoplasmic reticulum is a network of membranous sacs that are dotted with ribosomes. The ribosomes are responsible for making proteins.

Ribosome: Ribosomes are small organelles that are responsible for making proteins. They are found free in the cytoplasm or attached to the rough endoplasmic reticulum.

Golgi apparatus: The Golgi apparatus is a stack of flattened sacs that are involved in processing and packaging proteins.

Mitochondrion: The mitochondrion is the "powerhouse" of the cell. It produces energy in the form of ATP.

Centrosome: The centrosome is a small structure that contains two centrioles. The centrioles are involved in cell division.

Smooth endoplasmic reticulum: The smooth endoplasmic reticulum is a network of membranous sacs that are not dotted with ribosomes. The smooth endoplasmic reticulum is involved in a variety of functions, including lipid synthesis and detoxification.

Nucleus: The nucleus is the control center of the cell. It contains the cell's DNA, which is the genetic material.

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You would expect to find ribosomes translating mRNAs that encode ribosomal proteins in a cellular location in the cytosol. Here option C is the correct answer.

Ribosomes are cellular organelles responsible for protein synthesis, and they are composed of two subunits: a large subunit and a small subunit. Ribosomes can be found in both prokaryotic and eukaryotic cells, and they exist in two forms: free ribosomes and membrane-bound ribosomes.

Ribosomal proteins are encoded by specific mRNAs, and these mRNAs are translated by ribosomes. In eukaryotic cells, ribosomal proteins are synthesized by ribosomes that are located in the cytosol. The ribosomes that synthesize ribosomal proteins are called free ribosomes because they are not attached to the endoplasmic reticulum (ER).

Ribosomal proteins are then transported into the nucleus, where they combine with rRNA to form ribosomes. The newly formed ribosomes are then transported back into the cytosol, where they can translate other mRNAs.

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Pinker (1995) concluded in his review of the Sapir-Whorf hypothesis that many earlier studies claiming linguistic relativity were severely flawed.

Pinker provided evidence of deaf children who did not acquire language in the same way as hearing children, yet they still exhibited the same cognitive abilities as hearing children. This suggests that language does not entirely determine one's thoughts and perceptions of the world. However, Pinker also acknowledged that language can still have some influence on cognition and behavior, but it is not a deterministic factor. Overall, Pinker's review suggests that the Sapir-Whorf hypothesis is not entirely accurate, and language is not the sole determinant of thought and perception.

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Charles Darwin made the observation that members of a population often vary in their inherited traits during his famous voyages on the HMS Beagle. During his travels, he collected specimens of plants and animals from different parts of the world, and he observed that there was a lot of variation within species, even within the same population.

He also noticed that some of these variations were heritable and could be passed down from one generation to the next. Darwin realized that this variation was the key to understanding how natural selection works. He hypothesized that individuals that are better adapted to their environment are more likely to survive and reproduce, passing on their favorable traits to their offspring.

Over time, this could lead to significant changes in the characteristics of a population, ultimately resulting in the evolution of new species. His observations and subsequent theory of evolution by natural selection revolutionized the field of biology and continue to influence scientific thinking to this day.

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Darwin made the observation that members of a population often vary in their inherited traits through careful observation and collection of data during his voyage on the HMS Beagle.

During his voyage, Darwin collected specimens of plants and animals from various locations and noted their physical characteristics. He observed that individuals within a species exhibited variations in their traits, such as the shape and size of their beaks or the color of their fur.

Darwin also studied domesticated animals and plants, noting how humans selectively bred them for desired traits. This led him to propose that natural selection, a similar process of differential reproductive success based on inherited traits, could explain the origin and diversity of species in nature.

Darwin's observations and subsequent research laid the foundation for the theory of evolution by natural selection, which is now widely accepted as the mechanism driving the diversity of life on Earth.

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The parasitic fungi, microsporidia were thought to be protozoa because of their small size and intracellular parasitism. However, further studies and research have revealed that they are actually a type of fungi.
Hi! The parasitic fungi, microsporidia, were thought to be primitive eukaryotes because of their reduced genome size and simple cellular structure.

The parasitic fungi, microsporidia, were once thought to be protozoan parasites because of their small size, lack of typical fungal features, and unique mechanisms of intracellular parasitism. However, molecular and genetic studies have since revealed that microsporidia are actually fungi and are now classified as a phylum within the kingdom Fungi. Microsporidia are obligate intracellular parasites that infect a wide range of hosts, including insects, fish, birds, and mammals, including humans. They have a highly reduced genome, lack mitochondria, and rely on their host cells for many essential functions, such as energy production.

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Answer:

The answer to the second one is true

Explanation:

Because the faster molecules move around the more heat that generates

Answer:

1.) temperature

2.) heat

3.) Thermal energy

4.) True

Explanation:

Answer:

Typhoid Fever

Explanation:

Just got it right on CAN Vas.

Typhoid Fever likely result from a lack of implementing the Clean Water Act.

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Explanation:

ADAPTATION:-

the action or process of adapting or being adapted.

HOPE IT HELPS

PLZ MARK AS BRAINLEST

Among the Melpa of New Guinea, a big man is a leader who is independent and wealthy in terms of resources, influence, and social connections.

In the Melpa society of New Guinea, the concept of a big man holds significant cultural significance. A big man is a leader who attains his status through a combination of wealth, resources, influence, and social connections. The term "wealth" in this context extends beyond material possessions and includes various forms of resources, such as land, livestock, and crops, which contribute to the leader's independence and ability to provide for others.

The big man is not only economically prosperous but also possesses social and political influence within the community. Through their extensive networks and relationships, they are able to mobilize resources, negotiate alliances, and mediate disputes. The big man's status is not inherited but earned through their ability to accumulate and distribute resources and maintain social ties.

Overall, the big man among the Melpa is a leader who is independent and wealthy in terms of resources, influence, and social connections. Their position of leadership is built upon their ability to navigate and utilize these various forms of wealth to benefit both themselves and the community they serve.

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The term threshold is best described as the minimum amount of voltage (energy), needed to generate an action potential/contraction in a muscle fiber.

The threshold of the muscle fiber must be reached to initiate an action potential, which is a transient change in membrane potential. Once the threshold of the muscle fiber is reached, the action potential is generated, which causes the release of calcium ions into the cytoplasm.The law that states a muscle will contract to its maximal potential or not at all is known as the all-or-none principle. This principle means that if a stimulus reaches the threshold, all muscle fibers in the motor unit will contract, and if the stimulus does not reach the threshold, no fibers will contract. In other words, the muscle fiber will contract with its full force or not at all.The length-tension relationship of a muscle is true that the muscle fibers produce their greatest amount of force at its resting length. The resting length is the length at which the muscle fiber produces the maximum tension during a contraction. If the muscle is too stretched or too contracted, it produces less force. Therefore, a muscle fiber produces maximum force at its resting length.

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answer

bacteria I think

Psychological stress has a greater impact on heart rate than blood  pressure is an invalid statement.

Psychological stress has a greater impact on heart rate than blood  pressure because both heart rate and blood pressure are inter-related to each other. Inter-related means if one increase the other automatically increases and vice versa.

Psychological stress puts pressure on both heart rate and blood pressure. If heart rate increase due to psychological stress, the blood pressure also increase because heart pumps the blood with higher rate so we can conclude that Psychological stress puts pressure on both heart rate and blood pressure.

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Answer:

its B) Girls have a greater physiological response to exercise than boys.

Explanation:

did it on usatestprep

Only in the citric acid cycle does each glucose molecule yield 2 ATP and 6 NADH molecules.

Two pyruvate molecules are produced from one glucose molecule. The pyruvate dehydrogenase complex enzyme then transforms these pyruvate molecules into Acetyl-CoA. One acetyl-CoA generates one GTP (the ATP equivalent), one FADH2, and three NADH. Two acetyl CoA (or one glucose molecule) will result in the synthesis of two ATP, two FADH2, and six NADH.

The citric acid cycle is a chain of redox and decarboxylation events that eliminate carbon dioxide and high-energy electrons. In the following route, the electrons momentarily trapped in NADH and FADH2 molecules are used to produce ATP. At each cycle turn, substrate-level phosphorylation yields one molecule of either GTP or ATP. The cyclic pathway is not compared to a linear one.

Thus, we can conclude that each glucose molecule only produces 2 ATP and 6 NADH molecules during the citric acid cycle.

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A protein's unique amino acid sequence is represented in its unique folded structure. This structure, in turn, specifies the function of the protein.

Proteins are made up of chains of amino acids that fold into distinct three-dimensional shapes. Protein bonding stabilizes their structure, and the ultimate folded forms of proteins are well-suited to their functions.

A protein's function is dictated by its shape. If the shape of a protein changes, it can no longer function or loses function. Modifications in salt concentration, pH, or high heat can all denature proteins.

The function of a protein is primarily determined by its three-dimensional structure, which includes the alpha-helix and the beta pleated sheet. The arrangement of the amino acids in the protein influences how the protein folds into its 3D shape. The shape of the protein then defines how it interacts with other proteins or molecules.

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The 2022 depreciation expense for the depreciable asset is $84,000.

To calculate the depreciation expense, we need to determine the annual depreciation amount.

Under the straight-line method, the annual depreciation is calculated by subtracting the salvage value from the initial cost and dividing it by the total useful life.

Using the original estimates:

Depreciation per year = (Initial cost - Salvage value) / Total useful life

Depreciation per year = ($630,000 - $63,000) / 9

Depreciation per year = $567,000 / 9

Depreciation per year = $63,000

However, in 2022, the estimates were changed to a useful life of 5 years and a salvage value of $105,000. We need to recalculate the depreciation expense using the new estimates.

Depreciation per year (new estimates) = (Initial cost - Salvage value) / Total useful life

Depreciation per year (new estimates) = ($630,000 - $105,000) / 5

Depreciation per year (new estimates) = $525,000 / 5

Depreciation per year (new estimates) = $105,000

Since the estimates were changed in 2022, the depreciation expense for that year will be based on the new estimates. Therefore, the 2022 depreciation expense is $105,000.

The 2022 depreciation expense for the depreciable asset is $84,000.

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The regulatory T cell (c) slows or stops B and T cell activity once the infection has been conquered.

Regulatory T cells (Tregs) are a type of specialized T cells that play a crucial role in immune regulation. They help maintain immune homeostasis by suppressing the activity of other immune cells, including B cells and T cells, once an infection has been successfully eliminated. Tregs act as "brakes" of the immune system, preventing excessive immune responses and preventing damage to healthy tissues.

After an infection is controlled, Tregs recognize signals indicating that the immune response is no longer necessary. They release immunosuppressive molecules and interact with other immune cells to inhibit their activity. By doing so, Tregs help to restore immune balance and prevent prolonged inflammation or autoimmune reactions.

While other immune cells like plasma cells, helper T cells, memory cells, antigen-presenting cells, B cells, and cytotoxic T cells play important roles in the immune response, it is the regulatory T cells that specifically regulate and dampen the immune response once the infection has been conquered.

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Answer:

D. A room gets warmer because the thermostat was adjusted.

Explanation:

A room gets warmer because the thermostat was adjusted.

The first law of thermodynamics states that energy can be transferred within a system or lost from the system, but energy cannot be created or destroyed. In example D, energy is being transferred from a heat source (likely a furnace) to the room, causing the temperature to increase.

The second law of thermodynamics states that as energy is transferred or transformed, more of it is wasted as heat. In example D, some of the energy from the furnace is likely being lost as heat through the walls, floors, and ceiling of the room.

Overall, example D shows energy being transferred from a furnace to a room, causing the room temperature to increase, while some energy is lost as waste heat. This follows the general principles of the first and second laws of thermodynamics.

The other examples do not demonstrate the specific principles of energy transfer, conservation of energy, and waste of energy as heat as clearly as example D.

The primary mechanism of water reabsorption in the kidney is osmosis.

The kidneys play a vital role in maintaining the body's water balance by regulating the reabsorption and excretion of water and solutes. Water reabsorption primarily occurs in the renal tubules of the nephrons, which are the functional units of the kidneys.

1. Filtration: Blood enters the kidney through the renal artery, and the filtration process begins in the glomerulus. The glomerulus acts as a filtration unit, allowing water and small solutes to pass through its walls into the renal tubules while retaining larger molecules like proteins and blood cells.

2. Proximal Tubule: After filtration, the filtered fluid, known as the filtrate, enters the proximal tubule. The proximal tubule is responsible for the reabsorption of the majority of water and solutes. Water reabsorption in this segment occurs via passive processes, primarily osmosis.

3. Osmosis: Osmosis is the movement of water across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration. In the renal tubules, the concentration of solutes is higher in the interstitial fluid surrounding the tubules compared to the filtrate. As a result, water moves out of the tubules and into the surrounding interstitial fluid by osmosis.

4. Loop of Henle: The loop of Henle, a U-shaped structure in the nephron, creates a concentration gradient in the kidney medulla, which facilitates further water reabsorption. The descending limb of the loop of Henle is permeable to water, allowing water to leave the tubules by osmosis, while the ascending limb is impermeable to water but actively transports solutes out of the tubules.

5. Collecting Duct: The final site of water reabsorption is the collecting duct. The permeability of the collecting duct to water is regulated by the hormone antidiuretic hormone (ADH). When ADH is present, the collecting duct becomes permeable to water, allowing for further water reabsorption.

In summary, the primary mechanism of water reabsorption in the kidney is osmosis. Water moves out of the renal tubules and into the interstitial fluid by osmosis due to the higher concentration of solutes in the interstitial fluid. This process is essential for maintaining the body's water balance and regulating urine volume.

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Answer:

1. Viruses 2. ? 3. Viruses 4. ? 5. Immunity 6. Vaccine

Explanation:

Microtubules assist in the seperation of chromosomes during cell division.

The mitotic spindle is a structure that separates the chromosomes. A chromosome is attached to one end of the mitotic spindle's many lengthy proteins, known as microtubules, and a cell pole is attached to the other. At their centromeres, the sister chromatids split simultaneously.

Microtubules are one of the elements of cytoskeleton. Microtubules are the hollow tubes made up of alpha and beta tubulin ends. They are microscopic. Cytoskeleton is a framework of the cell that provides mechanical support to the cell and organizes its content properly. Other than microtubules, microfilaments and intermediate filaments are the elements.

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The main reason you need to fix bacteria to a slide before staining is to preserve and immobilize the bacterial cells on the slide, ensuring an accurate observation of their morphology, arrangement, and cellular structures.

Fixation prevents the bacteria from being washed away during the staining process and helps maintain their original shape, size, and cellular integrity. By fixing the bacteria, you can prevent the possible distortion of cellular structures that might occur during staining, as the fixation process ensures the bacteria remain in place and intact. Moreover, fixing the bacteria inactivates any enzymes present within the cells that may degrade cellular components, further preserving the bacterial structures for observation.

Additionally, fixation kills the bacteria, ensuring the safety of the observer and preventing any potential contamination or spread of infectious agents during the staining process and subsequent microscopic examination. In summary, fixing bacteria to a slide before staining is essential for preserving cellular structures, ensuring accurate observation, and maintaining safety during the staining and examination processes.

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Best Explanation of Evolutionary Advantages of Habituation: Option B - Habituation allows an animal to tune out unimportant stimuli and focus on things that are essential to survival or reproduction.

1. Habituation refers to the process by which an animal becomes accustomed to a repeated or constant stimulus and gradually reduces or eliminates its response to that stimulus.

2. Option A suggests that habituation improves an animal's odds of survival because the habituated animal will not waste energy investigating novel objects. While this may be true to some extent, it does not fully explain the evolutionary advantages of habituation.

3. Option B states that habituation allows an animal to tune out unimportant stimuli and focus on things that are essential to survival or reproduction. This explanation aligns with the concept of selective attention, where an animal can prioritize relevant information and ignore irrelevant or non-threatening stimuli. By filtering out non-essential stimuli, the animal can allocate its limited resources more efficiently, such as energy and attention, towards activities that directly contribute to its survival or reproductive success.

4. Option C proposes that habituation enables an animal to generalize from bad experiences and avoid similar situations in the future. While this can be a potential advantage of habituation, it does not fully capture the evolutionary benefits of the process.

5. Option D suggests that an animal that becomes habituated to a stimulus learns from repeated exposure that positive outcomes, such as food, are associated with the stimulus. While this may be true in some cases, it does not encompass the broader advantages of habituation in terms of selective attention and efficient resource allocation.

In conclusion, option B provides the best explanation for the evolutionary advantages of habituation as it highlights the ability of animals to filter out unimportant stimuli and prioritize essential information for survival and reproduction.

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Answer:

A few aspects of protein synthesis are actually less complex in eukaryotes. In prokaryotes, mRNA is polycistronic and may carry several genes that are translated to give several proteins. In eukaryotes, each mRNA is monocistronic and carries only a single gene, which is translated into a single protein.

Answer:

1) Water 2) Ground 3) Food 4) Reproduction 5)Leaves 6) Flowers

Answer:

its a thing

Explanation:

The study of the cell is called cell biology.

The correct answer to the question is option B that is structures that perform different cell activities

The formation of a new cell from the old cell is called cell division.

According to the question, the different food particles represent the cell organelles that perform the cell's different activities.

Hence, the correct answer to the question is option B.

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In some genetic conditions, a change in the DNA is thought to cause the condition by altering the sequence of amino acids in a protein or changing the regulation of gene expression.

The DNA sequence provides the instructions for building proteins, which are responsible for most of the functions in the body. A change in the DNA sequence can result in an altered amino acid sequence in a protein, which can affect its folding and its ability to carry out its function. This altered protein can lead to a genetic disorder Another way genetic conditions can occur is by changes in gene expression regulation. DNA sequences can also contain regulatory elements that control how and when a gene is expressed. Changes in these regulatory elements can also lead to genetic conditions by disrupting the proper regulation of gene expression.

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Answer:

here it is

Explanation:

Mutations, the changes in the sequences of genes in DNA, are one source of genetic variation. Another source is gene flow, or the movement of genes between different groups of organisms

Answer:

There are four steps to data interpretation:

One good example of data interpretation is looking at pie charts or bar charts.

Through analyzing data, we bring order, manipulate, categorize and summarize raw data that was aggregated through data collection.