Discuss artifcts used to uncover aztecs' behaviour

Answer:

D, I don't know what happened in your natural selection lab though so it might be wrong.

Answer:

The mitochondria segregate the Golgi from lateral regions of the plasma membrane, the nucleus, and the cytoplasm. The mitochondria and the golgi structures from very close contacts, and these contacts remain stable over time.

The reason they do is because the linear nature of saturated fatty acids allows for tightly packed formations

In terms of the stress response, when the body is under stress, it goes through three stages: the alarm reaction, the stage of resistance, and the stage of exhaustion.
The alarm reaction:
During the alarm reaction, the body releases norepinephrine and other hormones that raise heart rate, blood pressure, and blood glucose levels. If hypertension occurs during this stage, it can lead to organ failure and even death. Additionally, the consequence of this stage could be a decrease in immunity, as the body is focused on addressing the immediate stressor rather than fighting off infections or other threats.
The resistance stage:
Moving on to the stage of resistance, the body begins to prepare itself to protect against the stressor by releasing corticosteroids. These hormones help to mobilize energy resources, such as proteins and fats, for energy production. This stage is characterized by the body's efforts to adapt to the ongoing stressor and maintain homeostasis.
Stage of exhaustion:
Finally, during the stage of exhaustion, the body's energy resources are depleted, and the atrophy of muscle tissue may occur as the body continues to utilize protein for energy. This stage can be dangerous, as the body may be unable to maintain normal bodily functions and is more susceptible to illness or injury.

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Answer:

1. transportation, digestion, and absorption of food. 

2. Remove and concentrate waste products from body fluids and return other substances to body fluids

3. Food starts to move through your GI tract when you eat. When you swallow, your tongue pushes the food into your throat.

4. Urine then flows through the nephrons, through a system of converging tubules called collecting ducts.

5. filtering out excess fluid and other substances from the bloodstream and secreting waste.

Answer:

Tracking your income and expenses is the first step towards financial literacy.

Explanation

Financial literacy starts with understanding how much money is coming in (income) and going out (expenses). By tracking your income and expenses, you can see where your money is going and make informed decisions about your spending habits. This helps to create a budget and maintain financial stability, which are key components of overall financial literacy. By keeping track of your money, you'll be able to better plan for the future and reach your financial goals.

Answer:

the bottom one, the one with the bars far away from each other.

Explanation:

Answer:

It is the second choice at the top

Explanation:

I just did this

Answer:

B It passes new genetic combinations to the daughter cells

Answer:

di ko nga alam sagot dyan ii search mo nalang sa ibang application bhie

Neurotransmitters temporarily modify the ion permeability properties of muscle cell membranes.

Neurotransmitters play a vital role in the communication between neurons and muscle cells in the nervous system. When a neurotransmitter binds to its specific receptor on the muscle cell membrane, it triggers a series of events that lead to the modification of ion permeability properties temporarily.

Typically, neurotransmitters cause ion channels on the muscle cell membrane to open or close, altering the flow of ions such as sodium (Na+), potassium (K+), and calcium (Ca₂⁺). This modulation of ion permeability influences the electrical potential across the membrane, ultimately affecting muscle cell excitability and contraction.

For example, acetylcholine is a neurotransmitter that binds to receptors on muscle cells, opening ion channels and allowing sodium ions to enter the cell, which initiates muscle cell depolarization and contraction.

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Answer:

Lactic acid is ur answer

Explanation:

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The acid present in milk is Lactic Acid

When CO2 levels in the blood increase, the body's pH becomes more acidic. To maintain a normal pH level, the respiratory system plays a key role in hydrogen ion regulation. The following are the steps in order of how the respiratory system is involved in hydrogen ion regulation to maintain a normal pH:

1. When CO2 levels in the blood increase, the brain detects this change and sends signals to increase respiration
2. The increased respiration causes more CO2 to be exhaled, which lowers the CO2 levels in the blood.
3. As CO2 levels decrease, the amount of hydrogen ions (H+) in the blood also decreases, causing the blood to become less acidic.
4. The kidneys also play a role in hydrogen ion regulation by excreting or retaining hydrogen ions depending on the body's needs.
Overall, the respiratory system works in conjunction with the kidneys to maintain a normal pH level in the body. By eliminating excess CO2 through increased respiration, the body can regulate the levels of hydrogen ions in the blood and prevent it from becoming too acidic.

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Cellular respiration is the process of breaking down food molecules to obtain energy. Three major steps that occur during cellular respiration are Glycolysis, the Krebs cycle, and the Electron transport chain.

The following are the three major steps that occur during cellular respiration:

1. Glycolysis
The first stage of cellular respiration is glycolysis. In glycolysis, glucose is broken down into pyruvate in the cytoplasm of the cell. This process releases a small amount of energy, which is stored in the form of ATP (adenosine triphosphate).

2. Krebs cycle
After glycolysis, the pyruvate molecules are transported to the mitochondria for the Krebs cycle. In the Krebs cycle, the pyruvate molecules are broken down into carbon dioxide, releasing more energy, which is stored in ATP.

3. Electron transport chain
The final stage of cellular respiration is the electron transport chain. In this stage, energy is transferred from the NADH and FADH₂ molecules produced in glycolysis and the Krebs cycle to create a proton gradient across the mitochondrial membrane. This gradient drives the synthesis of ATP through a process called chemiosmosis.

Overall, the process of cellular respiration involves breaking down food molecules to obtain energy in the form of ATP. Glycolysis, the Krebs cycle, and the electron transport chain are the three major steps involved in this process.

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The types of molecules lack hydrophilic domains is option A and option D

The following information should be considered:

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Hello,

The observation that the pesticide was effective in killing insects in week 1 but became ineffective by week 3 is likely due to the development of resistance in the insect population.

When a pesticide is introduced, it may be very effective in killing a large proportion of the target insects. However, some insects may have genetic variations that allow them to survive exposure to the pesticide. These insects then go on to reproduce, passing on the genes that allowed them to survive to their offspring. Over time, the proportion of insects in the population with these resistant genes increases, making the population as a whole less susceptible to the pesticide. This is known as pesticide resistance.

Insects can develop resistance to pesticides through a variety of mechanisms, including mutations that make them less susceptible to the toxic effects of the pesticide, increased detoxification of the pesticide by enzymes in their bodies, or changes in their behavior that allow them to avoid exposure to the pesticide.

To combat pesticide resistance, farmers may need to use different pesticides or alternative methods of pest control. They may also need to use pesticides in a targeted and judicious manner, rotating different types of pesticides to avoid overuse of any one type and minimize the selection pressure for resistance.

While excessive consumption of some macronutrients can contribute to obesity, diabetes, and cardiovascular illnesses, chronic ethanol use can harm the liver.

Similar to the three primary macronutrients, alcohol contains calories that the body must expend in order to function. Alcohol is treated as a toxin by the body, which causes it to be burned up first to preserve your essential organs, unlike the other macronutrients.

Food macronutrients are converted into cellular energy, which is then used to carry out cellular work. Macronutrients undergo transformation throughout metabolism into waste products as well as components that cells can employ to thrive and reproduce.

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Glucagon is the hormone released from the pancreas in response to a low blood glucose level, and acts to raise blood glucose back to normal.

The pancreas is the site in the body of an individual that plays a major role in the regulation of sugar levels.

When the sugar levels in the bloodstream are high, the pancreas produces insulin in order to maintain the sugar levels in the blood.

On the other hand, when the blood glucose level is low, glucagon is produced by the alpha cells of the pancreas.

There are various ways in which glucagon helps the body in producing glucose. It helps the body in converting stored glycogen into glucose. Also, glucagon plays an active role in stimulating the production of glucose from amino acids in low glucose conditions.

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An electron microscope provides clearer, more detailed images than light microscopes.

that can be viewed under electron microscope are ribosomes, vacuoles, Golgi body, rough endoplasmic reticulum, smooth endoplasmic reticulum, mitochondria, nuclear membrane, nuclear pores, nucleolus.

The theoretical cell potential assuming standard conditions is the maximum potential difference that can be obtained from a given redox reaction under standard conditions, which include a temperature of 25°C, a pressure of 1 atm, and concentrations of 1 M for all solutes and gases involved in the reaction.

This value is calculated using the Nernst equation, which takes into account the concentration of reactants and products, as well as the temperature and the standard reduction potentials of the species involved in the reaction. The theoretical cell potential is important in determining the feasibility and directionality of redox reactions, as well as in predicting the behavior of electrochemical cells in various applications.

To calculate the theoretical cell potential assuming standard conditions, you need to consider the following terms:

1. Standard reduction potentials (E°): The standard reduction potential is the potential at which a half-reaction occurs under standard conditions (1 M concentrations, 1 atm pressure, and 25°C temperature). You can find the values for each half-reaction in a table of standard reduction potentials.

2. Cell potential (E_cell): The cell potential, also known as the electromotive force (EMF), is the difference in potential between the cathode and anode in a galvanic cell. It is a measure of the cell's ability to produce an electric current.

To find the theoretical cell potential assuming standard conditions, follow these steps:

Step 1: Identify the half-reactions for the redox reaction occurring in the cell, noting which one is the reduction and which one is the oxidation.

Step 2: Look up the standard reduction potentials (E°) for both half-reactions in a table of standard reduction potentials.

Step 3: Use the formula E_cell = E°(cathode) - E°(anode) to calculate the theoretical cell potential.

By following these steps and using the provided terms, you can find the theoretical cell potential assuming standard conditions for a given redox reaction.

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Answer:

B

Explanation:

i remember this question from when i was in middle school, might be wrong tho cuz im memory is wonky

Answer:

B. cell membrane, genetic material, ribosomes, and cytoplasm.

Explanation:

Answer:

Sarcoplasmic reticulum

Explanation:

The question is about the storage of calcium ions within the membranous organelle surrounding the myofibrils within each muscle cell. The membranous organelle is called the sarcoplasmic reticulum (SR).

Sarcoplasmic reticulum (SR) is the membranous organelle surrounding the myofibrils within each muscle cell, where calcium ions are stored within during the resting state. It is the specialized endoplasmic reticulum of striated muscle cells that stores calcium ions in a controlled manner and releases them upon excitation of the muscle cell. In muscle cells, the SR is responsible for the storage, release, and reuptake of calcium ions, which is essential for muscle contraction.

So, the correct answer is sarcoplasmic reticulum.

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The classification of epithelia is based on the shape of cells at the basal and apical surfaces, as well as the number of cell layers.

The classification of epithelia is based on multiple criteria, including the shape of cells at basal surfaces, shape of cells at apical surfaces, and the number of cell layers.

The shape of cells at the basal surface refers to the overall shape of the cells at the bottom layer, which can be squamous (flattened), cuboidal (cube-shaped), or columnar (elongated).

The shape of cells at the apical surface refers to the shape of cells at the top layer, which can also be squamous, cuboidal, or columnar.

The number of cell layers can vary, ranging from a single layer (simple epithelium) to multiple layers (stratified epithelium). These criteria help classify and differentiate different types of epithelial tissues found throughout the body.

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The criteria used to classify epithelia include the shape of cells at the basal surface, the shape of cells at the apical surface, and the number of cell layers.

Epithelial tissues are classified based on specific characteristics that help distinguish different types of epithelia. The criteria used for classification are as follows:

1. Shape of cells at the basal surface: This criterion considers the shape of cells at the bottom layer of the epithelium, which is in contact with the underlying basement membrane. The basal cells may be squamous, cuboidal, or columnar in shape.

2. Shape of cells at the apical surface: The shape of cells at the top or free surface of the epithelium is also taken into account. Epithelial cells can exhibit squamous, cuboidal, columnar, or specialized shapes based on their functional requirements.

3. Number of cell layers: The number of layers of cells in the epithelium is another crucial criterion for classification. Epithelia can be classified as simple if they consist of a single layer of cells, or stratified if they have multiple layers of cells. Additionally, there are pseudostratified epithelia, which appear stratified but consist of a single layer of cells.

By considering these criteria, epithelial tissues can be classified into various types, such as simple squamous epithelium, stratified cuboidal epithelium, or pseudostratified columnar epithelium. Understanding the classification of epithelia aids in identifying their structural characteristics and inferring their specific functions within different organs and tissues of the body.

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Chemical energy is stored in a fossil fuel and released in the form of kinetic energy when burned.

Fossil fuels, such as coal, oil, and natural gas, are derived from the remains of ancient plants and organisms that were subjected to high pressure and heat over millions of years.

These fuels contain energy-rich hydrocarbon compounds, primarily made up of carbon and hydrogen atoms. When fossil fuels are burned, the combustion process breaks down these hydrocarbons, releasing stored chemical energy.

This energy is then converted into heat and kinetic energy, resulting in the production of heat, light, and mechanical energy, which can be harnessed for various purposes, such as generating electricity or powering vehicles.

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Oxygen consumption has to be normalized when comparing two animals because they differ in muscle mass.

Thus, the correct option is B.

Oxygen consumption or oxygen uptаke is the аmount of oxygen thаt the body tаkes up аnd utilizes. This is аn outcome used in exercise physiology аs it is reflective of the oxygen uptаke аt the exercising muscle. Oxygen is tаken up in the lungs аnd is cаrried аround the body by the blood until it is releаsed аt the exercising tissues. Oxygen uptаke cаn be meаsured by gаs аnаlysis of the oxygen content of inspired аir vs. the oxygen content of expired аir. During exercise аt а constаnt workloаd, oxygen uptаke increаses exponentiаlly аt the stаrt of exercise until it reаches the point аt which oxygen supply mаtches oxygen demаnd аnd then it plаteаus, this plаteаu is termed steady-state.

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Answer:

Griffith's Experiment was an experiment done in 1928 by Frederick Griffith. It was one of the first experiments showing that bacteria can get DNA through a process called transformation. ... In this experiment, bacteria from the III-S strain were killed by heat, and their remains were added to II-R strain bacteria

Answer:

Abiotic and biotic factors make up an ecosystem. Abiotic factors are the non-living parts of an environment. These include things such as sunlight, temperature, wind, water, soil and naturally occurring events such as storms, fires and volcanic eruptions. Biotic factors are the living parts of an environment, such as plants, animals and micro-organisms.

Together, they are the biological factors that determine a species' success. Each of these factors impacts others, and a mix of both is necessary for an ecosystem to survive.

Answe:RNA는 핵 밖으로 이동합니r다.

Explanation: