How does a mechanical wave affect the matter in which it travels through?
A
It changes its position forever
B
It moves perpendicular to the direction of the wave.
C
It has not affect on it
D
It may displace it temporarily, however when the wave passes the matter returns back
to its original position.

The research question for this study is: A. Do reflexology sessions reduce the severity of symptoms for breast cancer patients?

Blinding refers to keeping certain individuals or groups unaware of specific treatment assignments or conditions in order to minimize bias. In this case, the data collectors being trained to be impartial indicates that they were likely blinded to the treatment assignments or whether the patients received reflexology sessions or not.

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Answer:

...is termed diffusion or simple diffusion

Answer:

2 molecules of ATP are used, and 4 molecules of ATP are produced

Explanation:

Answer:

A.

B.

E.

Explanation:

Aerobic respiration will yields 36 ATP molecules and starts with the process of glucose molecules.

The respiration in which glucose molecules produces energy in the form of ATP is called aerobic respiration.

The aerobic respiration produces 36 ATP molecules. Fermentation will produce lactic acid. Aerobic respiration consists of three stages such as glycolysis, ETC cycle.

The conversion of fuel, such as fats and sugars, into chemical energy is known as aerobic respiration. Anaerobic respiration, in contrast, doesn't require oxygen.

Therefore, Aerobic respiration will yields 36 ATP molecules and starts with the process of glucose molecules.

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The correct description with the correct terms is as follows:

A.) Homeostasis: The process in which your body is working to keep things stable, no matter what the outside conditions are. That is option 2

B.) Gas exchange: Remove excess carbon dioxide take in oxygen- necessary in mitochondria or opposite in chloroplast. That is option 5.

C.) Water: In cells, glucose from this item is used in the mitochondria for energy. That is option 1.

D.) Food: In plant cells, this is stored in the large central vacuole.

E.) Waste: Lysosomes break down food to create this, then is removed through the semi-permeable cell membrane.

F.) Reproduction: DNA in the nucleus is copied before the cell divides by mitosis or meiosis. That is option 6.

Reproduction is defined as the process through which living organism multiple to produce their young ones alive. Before this occurs through the process of mitosis and meiosis, DNA in the nucleus is copied.

There varieties of cell organelles that helps the living organism to maintain a constant internal environment (homeostasis) such as the lysosomes which contains the lysozyme that catalyzes the break down of wastes from food in the cell.

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Answer:

Explanation:

the carbon dioxide molecule encounters the structures in the following order: 5) capillaries near muscle cells, 2) systemic vein, 1) heart, 4) pulmonary artery, and 3) alveolar capillaries.

Centrioles are tube-shaped organelles that assist in organizing the spindle fibers during mitosis.

Animal cells' cytoplasm contains a pair of barrel-shaped organelles called centrioles that are close to the nuclear envelope. The skeletal framework of the cell, the microtubules, is organized by centrioles. They aid in pinpointing where the cell's nucleus as well as other organelles are located.

Centrioles play a key role in the development of the centrosome and the cilium. Centrioles influence where spindle poles originate, however since spindle poles can self-organize, the centriole's role in mitosis is not required.

These coupled organelles are unique to animal cells and are often found together close to the nuclei in the centrioles, a grainy mass that organizes microtubules.

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Answer:

B.) A gamete needs only half the number of chromosomes because two gametes join together.

Explanation:

Good sources of folate include a variety of foods, particularly those that are rich in leafy green vegetables, legumes, fruits, and whole grains. Here is a more detailed explanation:

1. Leafy Green Vegetables: Vegetables such as spinach, kale, collard greens, and broccoli are excellent sources of folate. They provide a significant amount of this vitamin and are also packed with other essential nutrients.

2. Legumes: Lentils, chickpeas, black beans, and kidney beans are examples of legumes that contain a good amount of folate. These foods are not only rich in folate but also high in fiber, protein, and other nutrients.

3. Citrus Fruits: Citrus fruits like oranges, grapefruits, and lemons are a good source of folate. They also provide a healthy dose of vitamin C, which helps with the absorption of folate.

4. Avocado: Avocado is a nutrient-dense fruit that contains a moderate amount of folate. It is also rich in healthy fats and other beneficial compounds.

5. Whole Grains: Whole grain products, such as fortified cereals, bread, and pasta, can be a good source of folate. It's important to choose whole-grain options over refined grains to maximize nutrient intake.

6. Liver and Organ Meats: The liver is one of the richest sources of folate. However, it is important to consume these foods in moderation due to their high vitamin A content.

It's worth noting that some foods are also fortified with folic acid, the synthetic form of folate. These include certain breakfast cereals, bread, and other grain products. Incorporating a variety of these folate-rich foods into your diet can help ensure an adequate intake of this essential vitamin.

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Horse tail (Equisetum) and Mucor  are not kept in the same kingdom as they belong to different kingdoms because they exhibit distinct characteristics and are classified based on their evolutionary history, cellular organization, and reproductive strategies.

Horse tails, also known as horsetails or Equisetum, are members of the plant kingdom, specifically the division Equisetophyta.

They are vascular plants that reproduce by spores.

Horse tails have a unique appearance, with jointed stems, whorls of tiny scale-like leaves, and reproductive cones at the tips of their stems.

They have a complex life cycle with alternation of generations, including both a sporophyte (dominant diploid phase) and a gametophyte (haploid phase).

Their cells have a rigid cell wall composed of cellulose, a characteristic feature of plant cells.

On the other hand, Mucor belongs to the kingdom Fungi.

Mucor is a genus of fungi within the phylum Zygomycota.

Fungi are eukaryotic organisms that lack chlorophyll and obtain nutrients through absorption.

They have a filamentous body structure called mycelium, composed of thread-like hyphae.

Mucor reproduces asexually through the production of spores, which are formed by the fusion of genetically distinct hyphae.

Fungi are heterotrophic, meaning they obtain their nutrients by breaking down organic matter in their environment.

The differentiation of horse tails (plants) and Mucor (fungi) into separate kingdoms is based on fundamental differences in their cellular organization, nutritional strategies, and reproductive mechanisms.

While both horse tails and Mucor are multicellular organisms, they belong to distinct lineages of life with diverse evolutionary histories, leading to their classification in separate kingdoms.

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The correct option is first, as the jackrabbit's circulatory system increases blood flow to the ears during hot days and blood flow to the ears decreases during cool or cold nights.

Homeostasis is vital to preserving an ideal environment for cell structures to work effectively. The direction of a cell or an animal's inner environment in reaction to changes within the outside environment is called homeostasis.  

In this case, the jackrabbit's circulatory framework is reacting to fluctuating temperatures.

On hot days, the body is at a chance of warming up over ideal temperature which might obstruct body capacities. In this manner, the bloodstream to the ears is expanded to encourage heat loss.

In cold temperatures, the bloodstream to the ears is diminished to moderate warm for crucial body organs. The bloodstream is coordinated to the center of the body to secure the heart, lungs, liver, and brain.

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Answer:

smelling rotten eggs - covering your nose

touching a hot dish - pulling your hand away

jumping into a cold pool - shivering

Explanation:

A stimulus generally refers to a detectable change in the environment of an organism. These changes could be physical or chemical and could be in the internal or external environment of organisms.

Organisms react to changes in their internal or external environment by responding appropriately. Hence perceiving the smell of rotten egg, feeling the hotness of a dish by touching it, and feeling cold immediately one jumps into a cold pool are all examples of stimuli and their corresponding responses would be covering one's nose, pulling the hand away, and shivering of the body in order to counter the cold.

In other words:

smelling rotten eggs - covering your nose

touching a hot dish - pulling your hand away

jumping into a cold pool - shivering

The given scenario describes a situation where the nutrients absorbed by the plant population are not recycled back into the soil after the plants die. Therefore, option D, "The graph would show logistic growth until the population sharply decreases," would be the most accurate description.

The plant population would likely show logistical growth until it reached the carrying capacity of the environment, at which point it would level off and remain relatively stable. The carrying capacity represents the maximum number of individuals that can be supported by the available resources in the environment, such as nutrients in the soil. However, if the nutrients are not being recycled into the soil, the carrying capacity would decrease over time, which would eventually result in a decline in the plant population.

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Answer:

reproductive organs

Explanation:

Answer:

reproductive

Explanation:

ovaries for women

testes for men

Meiosis only occurs in reproductive cells, as the goal is to create haploid gametes that will be used in fertilization. Meiosis is important too, but not the same as, sexual reproduction. Meiosis is necessary for sexual reproduction to occur, as it results in the formation of gametes (sperm and eggs).

Answer:

B. food security

Explanation:

Answer:

B-Food Security

Explanation:

Biogeochemical processes found in prokaryotes:

- methanogenesis

- methane oxidation

- nitrification

- denitrification

- sulfur oxidation

- sulfate reduction

- nitrogen fixation

Biogeochemical process Found in eukaryotes and prokaryotes:

- respiration

- carbon fixation

- fermentation

Biogeochemical cycles mainly refer to the movement of nutrients and other elements between biotic and abiotic factors. The three types of biogeochemical cycles are hydrological cycle, sedimentary cycle and gaseous cycle. Biogeochemical cycles important to living organisms include the water, carbon, nitrogen, phosphorus, and sulfur cycles.

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1. Food Web in producers (algae, grass), herbivores (rabbit, deer), carnivores (fox, hawk). 2. a unidirectional . 3. four, 4. photosynthesis, respiration, and decomposition, 5. Deforestation for agriculture in several ways.

1. Producers: Algae, Grass

Herbivores: Rabbit, Deer

Carnivores: Fox, Hawk

2. Energy travels through this food web in a unidirectional manner, starting with the producers. Producers (plants) convert sunlight into chemical energy through photosynthesis. Herbivores consume the producers, obtaining energy from the stored chemical energy in plants  Food Web. Carnivores, in turn, consume herbivores, obtaining energy from the stored chemical energy in their prey. Energy is transferred from one trophic level to the next as organisms are eaten.

3. The maximum number of trophic levels in this food web appears to be four. It consists of producers (plants), primary consumers (herbivores), secondary consumers (carnivores that consume herbivores), and tertiary consumers (carnivores that consume other carnivores).

4. One element that cycles through this food web is carbon. The processes involved in the carbon cycle include photosynthesis, respiration, and decomposition. During photosynthesis, plants absorb carbon dioxide from the atmosphere and convert it into organic compounds. Respiration releases carbon dioxide back into the atmosphere. Decomposition of dead organisms and waste products returns carbon to the soil, where it can be taken up by plants again.

5. Human activities can negatively impact this ecosystem in several ways. Deforestation for agriculture or urbanization can destroy habitats and disrupt the balance of the food web. Pollution from industrial activities or improper waste disposal can contaminate the environment, affecting the health and survival of organisms. Overfishing or hunting can deplete populations of certain species, leading to imbalances in the food web. Additionally, the introduction of non-native species can disrupt the natural interactions within the food web, causing harm to native species.

The maximum number of trophic levels appears to be four. One element that cycles through the food web is carbon, involving processes such as photosynthesis, respiration, and decomposition. Human activities, such as deforestation, pollution, overfishing, and introduction of non-native species, can negatively impact this ecosystem by disrupting habitats, contaminating the environment, depleting populations, and disrupting natural interactions within the food web

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When a person drinks nearly pure water, the extracellular fluids become hypotonic.

In the human body, extracellular fluid is a liquid found outside of the cells. Blood plasma and interstitial fluids are two examples of extracellular fluids. The extracellular fluid serves as a medium for exchanging nutrients, oxygen, and waste products among the cells in the body. Extracellular fluids become hypotonic when a person drinks almost-pure water.

A hypotonic solution is one in which there are fewer solutes outside the cell than inside. As a result of osmosis, water will flow from a region with fewer solutes (hypotonic solution) to a region with more solutes (hypertonic solution). Fluid balance in the human body is maintained through the action of osmosis. The flow of fluids between the intracellular and extracellular compartments is critical to maintaining this balance. When a person drinks nearly pure water, the extracellular fluids become hypotonic. As a result, water moves from cells to extracellular fluids.

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Answer:

deletion

Explanation:

Answer:

UUU

Explanation:

.

Answer:

Phosphoric Acid is not one of the major 4.

Explanation:

Phosphoric acid is not one of the four major groups of biomolecules found in living organisms. Thus, the correct option for this question is C.

Biomolecules may be defined as those organic molecules which are significantly required in order for the survival of living organisms. This is because these molecules play essential functions like cell division, gradual development, morphogenesis, etc.

The four groups of biomolecules which are found in living organisms are Carbohydrates, lipids, proteins, and nucleic acids. Among which carbohydrates are energy-deriving biomolecules, proteins govern the structural and functional properties of the living cell.

Nucleic acids are responsible for the representation of genetic material and lipids are known for energy storage due to their large simple structure.

Therefore, phosphoric acid is not one of the four major groups of biomolecules found in living organisms. Thus, the correct option for this question is C.

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Answer:

1100

Explanation:

There is 10% of total energy in each increasing trophic level.                    10,000 / 10 = 1,000 ,so there are 1,000 units of energy in trophic level 2.

1,000 / 10 = 100, so there are 100 units of energy in trophic level 3.

1,000 + 100 units of combined energy would be 1,100 units of energy.

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Elevations of k in the blood, also known as hyperkalemia, have serious physiological consequences despite the blood-brain barrier and spatial buffering due to its influence on cell physiology.

Elevated k levels cause depolarization of cell membranes, inhibiting nerve activity and muscle contraction. Neurotransmitter release is hampered and endocrine communication is hampered, which affects hormone secretion of the adrenal cortex.

These changes can result in severe muscular weakness, drowsiness, confusion, abnormal ECG readings, and even heart failure. It can also affect the digestive system leading to nausea, vomiting, and diarrhea. Hyperkalemia can be managed but must be diagnosed right away and treated promptly.

If left untreated, it can be life-threatening. Therefore, even though the blood-brain barrier and spatial buffering do a good job of keeping most of the k levels steady, a rapid or drastic rise in blood k levels can have serious consequences if it is not quickly addressed.

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The frequency of the taster and non-taster alleles in the class can be determined by calculating the allele frequencies based on the number of individuals carrying each allele.

By dividing the number of individuals with the taster allele by the total number of individuals in the class, you can obtain the frequency of the taster allele. Similarly, dividing the number of individuals with the non-taster allele by the total number of individuals will give you the frequency of the non-taster allele. These frequencies represent the proportion of individuals in the class with each allele.

To determine the frequency of the taster and non-taster alleles in the class, you need to collect data on the number of individuals carrying each allele. Count the number of individuals who are tasters and divide it by the total number of individuals in the class to get the taster allele frequency. Similarly, count the number of individuals who are non-tasters and divide it by the total number of individuals to obtain the non-taster allele frequency. These frequencies indicate the proportion of individuals in the class with each allele.

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Answer:

cosmic background radiation

Explanation:

hope this helps!!

Answer:

forest and beach

Explanation: because water absorbed by forest soil is protected from the sun and less likely to evaporate, and water absorbed by beach soil is exposed to the sun and evaporation but unlike desert soil, water levels in beach soil are being consistently replenished.

The volume of carbon dioxide produced at 2.90 mol in (Fe) is 97.44 L.

The reaction of CO₂ with Fe is as follows

Fe₂O₃ + 3CO → 2Fe + 3CO₂

From the above reaction, the ratio of iron (Fe) to carbon dioxide (CO₂) is 2 : 3.

So:

Moles of Carbon dioxide = 2.90 x 2/3

Moles of Carbon dioxide = 4.35 Mol

The volume of one mole of CO₂ at STP conditions is 22.4 liters

Because of that.

CO₂ volume = 22.4 × 4.35 Mol

                    = 97.44 L

So, the volume of CO₂ from 2.90 mol CO₂ reacted with iron (Fe) is 97.44 L

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Answer:

human cells also perform glycolysis, the drug might also poison them