An evaluation on using light technology (Lasik)

Answers

Answer 1

The evaluation on using light technology (Lasik) is it being a fast procedure which has less complications.

What is Technology?

This is referred to as the application of scientific knowledge into practical use and it helps in the reduction of errors and makes work easier and faster.

Light technology (Lasik) is a type of procedure which involves the use of excimer laser which emits a cool ultraviolet light beam and is used to reshape the cornea of individuals with astigmatism, nearsightedness etc.

This method was evaluated and was found to be a fast and reliable method of treatment for different types of eye defects. It also results in little or no complications arising from it because it is bloodless and there is no risk of contamination by foreign bodies.

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Related Questions

your friend amanda suffers from a condition that reduces her blood's ability to carry oxygen. which of the following is the name of that condition? a. emphysema b. hemophilia c. leukemia d. anemia please select the best answer from the choices provided. a b c d

Answers

Condition that reduces her blood's ability to carry oxygen is anemia. (Option d).

Anemia is a condition characterized by a reduced number of red blood cells or a decrease in hemoglobin, the protein responsible for carrying oxygen in the blood. This reduction in oxygen-carrying capacity can lead to symptoms such as fatigue, weakness, shortness of breath, and pale skin.

Emphysema is a lung disease characterized by damage to the air sacs in the lungs, which can cause difficulty in breathing but does not directly affect the blood's ability to carry oxygen.

Hemophilia is a genetic disorder that affects the blood's ability to clot properly. It does not directly impact the oxygen-carrying capacity of the blood.

Leukemia is a type of cancer that affects the blood and bone marrow, resulting in abnormal production of white blood cells. While leukemia can lead to various complications, including anemia, it is not specifically characterized by reduced blood oxygen-carrying capacity.

Therefore, the condition described in your question, where the blood's ability to carry oxygen is reduced, is most likely anemia.

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If a hypothesis is supported by several experiments, it may become a(n)_____. A) law B) theory C) fact D) educated guess

Answers

it may become a theory ! hope this helped :)

who has a better sense of smell, dogs or lions ( i dont know if the subject is right )

Answers

Answer:

dog

Explanation:

Answer:

cats smell better than dogs by a landslide and since a lion is a cat, you can say lions smell better.

Explanation:

A person with type O blood is married to a person with type A blood (unknown genotype). They have 6 children, 3 of them have type A blood, three of them have type O blood. What is the genotype of the two parents?

Answers

Answer:

Ao & oo

i don't really know if the answer is this....

Answer:

Oo

Explanation:

In the presence of oxygen, all cells synthesize ATP via the process of glycolysis. Many cells also can metabolize pyruvate if oxygen is not present, via the process of --

Answers

Answer:The option are not given, here are the options gotten from another website.

A. Aerobic respiration

B. Electron Transport Chain

C. Anaerobic respiration

D. Krebs cycle

The correct option is C.

Explanation:

This is because anaerobic respiration is a type of respiration that produced ATP. pyruvate are metabolize in the absence of oxygen by a process called fermentation and fermentation us anaerobic respiration. And fermentation is the chemical process where glucose or substrates are broken down in the absence of oxygen by the activities of enzymes. When pyruvate are metabolize in the absence of oxygen , it will produce lactate.

In the presence of oxygen, all cells synthesize ATP via the process of glycolysis. Many cells also can metabolize pyruvate if oxygen is not present, via the process of fermentation.

In biology, an incomplete oxidation process is called fermentation, which does not require oxygen to take place, and which produces an organic substance as a result.

Fermentation consists of a process of glycolysis (breakdown of the glucose molecule) that produces pyruvate (pyruvic acid).

As it lacks oxygen as a receptor for the excess electrons of the NADH produced (nicotin adenine dinucleotide), it uses an organic substance that must be reduced to reoxidize the NADH to NAD +, finally obtaining a derivative of the initial substrate that is oxidized.

In this process, then, neither the mitochondria nor the structures linked to the cellular respiration process are involved.

Only 2 molecules of ATP are produced per molecule of glucose consumed.

It is carried out by the muscle cells that ferment glucose when the oxygen input is not enough to continue breathing.

Therefore, we can conclude that many cells also can metabolize pyruvate if oxygen is not present, via the process of fermentation.

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what might be a symptom of a person whose vein valves are not functioning properly and causing fluid to flow away from the heart?

Answers

Answer:I can I get brain ly ess

Explanation:

Valvular regurgitation may be also called “leaky valve.” It occurs when any of the heart valves doesn't close properly, causing blood to flow backward. The symptoms can include: shortness of breath. a cough.

select the most accurate statement about the interaction between a tree and its physical environment. select the most accurate statement about the interaction between a tree and its physical environment. a tree is affected by its physical environment. a tree and its physical environment alter each other. a tree alters its physical environment.

Answers

The most accurate statement about the interaction between a tree and its environment is a tree and its physical environment alter each other.

Physical and biological components are intricately woven into a tree's overall environment. The physical environment include those factors that are related to soil and climate they include radiation, precipitation and air's composition, as well as the surface's texture, the soil's composition, depth, and moisture holding capacity, topographic location, nutrient content, and drainage. These factors effect the growth and metabolic processes of the trees and in turn the trees alter the physical environment as they grow, they take in carbon dioxide, and the carbon they store in them which slows the rate of global warming. As they lose moisture and reflect heat upward from their leaves, they lower wind speeds and cool the air.

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Explain the importance of ATP to living things

Answers

Answer:

ATP stands for adenosine triphosphate. It is a molecule found in the cells of living organisms. It is said to be very important because it transports the energy necessary for all cellular metabolic activities. It is dubbed as the universal unit of energy for living organisms.

Explanation:

Essential amino acids? can be synthesized by the body. must be provided by the diet. are the only ones that contain nitrogen. are the only ones needed by the body.

Answers

Essential amino acids are amino acids that cannot be synthesized by the body and must be obtained from the diet.

The human body requires a total of twenty amino acids to synthesize proteins, and these can be sourced from the food we consume. Among the twenty amino acids, nine are classified as essential, while the remaining eleven are considered non-essential. While the body can produce non-essential amino acids, it lacks the ability to synthesize essential amino acids. Hence, it is crucial to acquire them through dietary sources or supplementation.

Contrary to the statement, essential amino acids are not the only ones needed by the body. Non-essential amino acids also play a vital role in the synthesis of proteins, enzymes, and various other biological molecules. Additionally, both essential and non-essential amino acids contain nitrogen, debunking the claim that essential amino acids are the sole nitrogen-containing components.

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1. A, B, C, or D?

examine the chemical equation for a biological process

C6H12O6+ 6026CO2+ 6H2O + 36ATP

which biological process is represented by the equation? can you help me with that's in biology answers should up correct answers?

Answers

The given chemical equation represents  the biological process of respiration.

What is chemical equation?

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

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Which cat did Cloudtail used to have a crush on, which made Brightheart jealous?

Answers

Brightheart, a fellow member of ThunderClan and Cloudtail's mate, jealous at first because snowkit was tragically killed by a hawk when she was just a kit, which left Cloudtail heartbroken.

Erin Hunter's well-known book series "Warriors" heroine Cloudtail formerly harboured feelings for Brightheart's sister, a stunning white she-cat named Snowkit.

Cloudtail was devastated when Snowkit was brutally killed by a hawk when she was just a kit. Brightheart occasionally felt envious of the recollection of Snowkit and Cloudtail's former crush on her when they later became partners.

It's crucial to remember that the Warriors book series is a work of fiction and that the events and characters are entirely fictitious.

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Which of the following pieces of equipment is NOT allowed to be taken into a contest?
O Clear plastic clipboard
O Measuring tape
O knife
Towel

Answers

Answer:

i think a knife or Measuring tape

Explanation:

a dichotomous key typically starts with _____ information and leads to _____ information. question 4 options: old, new new, old specific, general general, specific

Answers

A dichotomous key typically starts with general information and leads to specific information.

A dichotomous key is a tool used in biology to identify organisms based on their characteristics. It begins by providing general information about the organisms, such as their overall appearance or habitat. As the key progresses, it narrows down the options by presenting a series of choices, each representing a different characteristic. By following the choices that best match the organism being identified, the key eventually leads to a specific identification of the organism. This systematic process allows for the efficient and accurate classification of organisms based on their distinguishing features.

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What composes the backbone, or side pieces, of the DNA molecule?

Answers

Answer:

A phosphate backbone is the portion of the DNA double helix that provides structural support to the molecule. DNA consists of two strands that wind around each other like a twisted ladder. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups.

How are exponential and logistic growth models similar? How are they different?

Answers

Answer:

Both models refer to the population but in different ways. One major difference is that exponential growth starts slow then picks up as the population increases while logistic growth starts rapidly, then slows down after reaching the carrying capacity.

Answer:

Exponential growth has no furthest breaking point and populaces become rapidly. Logistic growth has a point of confinement and development approaches this cutoff in a sigmoidal manner. Logistic growth is more realistic, in actuality, yet exponential development is a superior model for bacterial societies, and so on that have boundless assets and space.

Explanation:

edge

A forest fire
would be
followed by
which event?
A. grocyth of lichens
B. secondary succession
C. glacier retreating

Answers

Answer:

its B the answer

Explanation:

I hope this helps

Answer:

Secondary succession

Explanation:

When a disaster happens (flood, storm, fire) and the living things in that area are disturbed, secondary succession occurs after some soil, roots, or other living things remain intact and recolonize the area.

Citrus fruits, olives, and grapes would be found in the region of the
O Mediterranean
O North European Plain
O North Atlantic
O Russia

Answers

Answer:

The correct answer is Mediterranean

The sizes of horns in males of a particular beetle have an interesting distribution: the highest frequencies are around 15 millimeters and 30 millimeters, with few individuals in between. Based on this observation, which of the following modes of selection is most likely to be operating on these horns? a. Stabilizing selection b. Directional selection c. Disruptive selection

Answers

Based on the distribution of horn sizes in males of a particular beetle, it is most likely that stabilizing selection is operating on these traits.

Stabilizing selection is a mode of natural selection that favors individuals with traits that are at the middle of the range and against individuals with extreme trait values. This means that individuals with horn sizes around 15 and 30 millimeters are favored, while individuals with intermediate horn sizes are less successful in reproduction. This results in a bell-shaped curve distribution with a peak around the mean.

In contrast, directional selection would favor individuals with a particular trait value, such as larger or smaller horns, leading to a shift in the distribution over time. Disruptive selection would favor individuals with extreme trait values, leading to a bimodal distribution with peaks at opposite ends of the range. However, neither of these modes of selection seem to explain the distribution of horn sizes observed in this particular beetle species. Therefore, stabilizing selection is the most likely mode of selection operating on horn size in this species.

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What model aims to understand how foragers gather food with the least expenditure of time, calories, and other factors

Answers

The model that aims to understand how foragers gather food with the least expenditure of time, calories, and other factors is called Optimal Foraging Theory.

Optimal Foraging Theory is a framework used to study the foraging behavior of animals and how they make decisions about where and how to search for food. The theory suggests that animals will try to maximize their energy intake while minimizing the energy expenditure required to obtain food.

In order to achieve this, foragers will make decisions based on factors such as the abundance and distribution of food resources, the energy content of different food items, and the costs associated with searching and handling food. By using this information, foragers can determine the most efficient strategies for obtaining food.

Overall, Optimal Foraging Theory helps to explain how animals adapt their foraging behavior to optimize their energy gain, taking into account various ecological and environmental factors.

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Which of the following is an example of how the Paris Agreement will impact a country's response to climate chang?
Olt will allow more international travel between France and other countries
Ot will create the plans that countries must follow and hold leaders responsible
Okt will provide the funds to all nations so that the citizens of the country will not be taxed
Oft will push the country to take stronger actions in their nationally determined contributions

Answers

The following option is an example of how the Paris Agreement will impact a country's response to climate change:

It will push the country to take stronger actions in their nationally determined contributions.

The Paris Agreement is a global treaty that aims to combat climate change and limit global warming to well below 2 degrees Celsius above pre-industrial levels. One of the key aspects of the agreement is the concept of nationally determined contributions (NDCs). Each participating country is required to submit their own NDC, which outlines their specific climate goals, targets, and strategies for reducing greenhouse gas emissions.By pushing countries to take stronger actions in their NDCs, the Paris Agreement encourages nations to enhance their efforts in combating climate change. This can include setting more ambitious emission reduction targets, implementing policies and measures to transition to cleaner energy sources, promoting sustainable practices, and investing in renewable energy and climate resilience initiatives.The Paris Agreement serves as a global framework that holds countries accountable for their actions and encourages continuous improvement in their response to climate change. By urging countries to strengthen their nationally determined contributions, it fosters a collective and collaborative effort towards addressing the global climate crisis.

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How is the periodic table organised?

Who thought of the periodic table?

Why was this important?

ANSWER THESE TO GET 13 POINTS

How is the periodic table organised?Who thought of the periodic table? Why was this important?ANSWER

Answers

3. The periodic table allowed scientists to predict the properties and sort the elements with those that had the similar properties, allowing us to have comparisons

4. John Newlands periodic table was organised by the weights of the elements that had been discovered. However this was incomplete as many elements were not found yet and were placed in the wrong group.

Dmitri Mendeleev realised that there were undiscovered elements and added gaps to John Newlands table for those unknown elements. Furthermore Mendeleev sorted the periodic table by atomic mass. This meant that he was able to accurately predict the properties.

What happens during the light reaction of phototsynthesis

Answers

Answer: During the light-dependent stage (“light” reactions), chlorophyll absorbs light energy, which excites some electrons in the pigment molecules to higher energy levels; these leave the chlorophyll and pass along a series of molecules, generating formation of NADPH (an enzyme) and high-energy ATP molecules.

But in simple words, the energy of sunlight is used to oxidize water.

Which one of the following molecules can MOST easily pass through the plasma membrane unassisted?

A. Ca2+, a positive ion

B. Cl−, a negative ion

C. CO2, a nonpolar gas

D. glucose, a large sugar

Answers

Answer:

The smaller and nonpolar molecules

pass through more easily.

So pick CO2.

discribe any six risky situation to which our youth is frequently exposed to​

Answers

Our youth is exposed to cigarettes, vape pens etc and that whole industry trying to target the youth even make them flavorful to be more appealing to the youth

What are the Two Component Regulatory components of osmoregulation (Sensor Kinase: Response Regulator)?

Answers

The two-component regulatory components of osmoregulation are the Sensor Kinase and Response Regulator. In this system, the Sensor Kinase detects changes in environmental conditions (such as osmotic stress) and undergoes autophosphorylation.

The phosphorylated Sensor Kinase then transfers the phosphate group to the Response Regulator, which modulates its activity to regulate target genes and maintain osmotic balance within the cell.

Osmoregulation, also known as fluid balance or electrolyte concentration, is the active control of the osmotic pressure of an organism's body fluids, as detected by osmoreceptors, to maintain the homeostasis of the organism's water content. This prevents the body fluids from becoming too diluted or concentrated. The tendency of water to osmotically transfer from one solution to another is measured by osmotic pressure. More water has a tendency to migrate into a solution the higher its osmotic pressure. To stop water from leaking through a selectively permeable membrane from the side containing pure water, pressure must be applied to the hypertonic side of the membrane.

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The four parts of a seed include all of the following, except _____.

a. seed
b. embryo
c. cotyledon
d. epidermis
e. endosperm
f. coat

Answers

D. Epidermis netted veins
vascular rings

Question 9 Regarding the theory of trees, which directory is a "leaf" node? O /usr/local/linuxgym-data O none of these choices O /home/student O all of these choices O /bin Question 10 1 pts Which fil

Answers

The node that is unconnected to any child nodes is referred to as a "leaf" node in the context of tree theory. It is frequently shown as the terminal node or endpoint in a tree structure.

When comparing the available options, "/usr/local/linuxgym-data," "/home/student," "/bin," and "none of these choices," it is unclear which directory is being referenced to as a leaf node. We need to understand the tree's structure and the connections between the directories in order to recognise a leaf node. It is impossible to tell which directory would be categorised as a leaf node without additional knowledge on the tree topology or the precise connections between these directories.

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Scientists predict that we will eventually use up all available fossil fuels. Which list includes only fossil fuels?
O wood, natural gas, and coal
O natural gas, coal, and oil
O wood, natural gas, and solar
O coal, oil, and solar

Answers

Scientists predict that we will eventually use up all available fossil fuels natural gas, coal, and oil includes only fossil fuels.

What are the 4 types of fossil fuels?

Fossil fuels contain coal, petroleum, natural gas, etc.

All have carbon and were formed as a consequences of geologic function working on the remains of organic matter generated by photosynthesis

Thus, option "B" is correct, natural gas, coal, and oil.

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Answer:

natural gas, coal, and oil

All of the following are examples of evidence for evolution except... *
vestigial structures
o
non inheritable skills/traits
analogous structures
3
o embryology

Answers

Answer:

non inheritable skills/traits

Natural selection effects on allele frequencies ( write in your OWN words)

Answers

Answer:

natural selection cause a change in an allele frequencies over time, therefore this increases the likelihood that certain individuals with specific alleles will survive to a reproductive age, enabling them to pass in their alleles to their offspring.

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