Answer: ARGON LASER
Explanation: An Argon laser is a type of unique laser system that was invented in 1964,it is unique because it uses a noble gas (ARGON) as it's active medium. Argon laser functions by emitting a colored light of blue/green,this light is being absorbed by haemoglobin present in blood cells,the heat produced gives room/allows the laser to close up cells of blood that are ruptured.
Without the discovery of magnetic reversals recorded on the ocean floor, scientists
A. could not confirm the usefulness of sonar
B. could destroy the hypothasis of continental drift
C. could not provide a mechanism for moving continents
D. could explain how the seafloor was being destroyed
Answer:
C. could not provide a mechanism for moving continents
Explanation:
Magnetic reversals have the habit of causing geological displacements, since they are directly linked to the movements and distribution of tectonic plates on the planet, which are responsible for the movements of the continents. In this case,
if the discovery of magnetic reversals recorded on the ocean floor were not carried out, it would be impossible to establish its relationship with the movement of the tectonic plates, making it impossible to provide a mechanism for moving continents.
what are the functions of protein
Answer:
Explanation:
7 Important Functions of Protein in Your Body
Causes Biochemical Reactions. ...
Acts as a Messenger. ...
Provides Structure. ...
Maintains Proper pH. ...
Balances Fluids. ...
Bolsters Immune Health. ...
Transports and Stores Nutrients.
Complete urinary obstruction causes which of the following? (Select all that apply.) Increased urinary stasis Increased urinary frequency Decreased hydrostatic pressure Decreased glomerular filtration Increased predisposition to infection
Answer:
hydrostatic pressure increaes and decreased in glomerula filtration and increase in urinary stasis
Explanation:
Which latitude lines does photoperiodism have the greatest effect? Why?
Answer: A short-day plant will not flower if light is turned on for a few minutes in the middle of the night and a long-day plant can flower if exposed to more red-light in the middle of the night. Cryptochromes are another type of photoreceptor that is important in photoperiodism. Cryptochromes absorb blue light and UV-A.
Explanation:
The removal of waste products from the body is called
Answer:
It is called EXCRETION.
Explanation:
This is a process by which metabolic waste is removed from a living organism.
The excretory organs removes these waste.
Accumulation of these in the body is very harmful to our system.
Hope all these helps.
Please choose the answer that best fills in the blanks of this statement in the correct order. Photosynthesis proceeds in two phases: the light-_______ reactions which proceed only in the presence of sunlight, and the light-________ reactions which proceed regardless of the lighting conditions.
Answer:
first blank dependent
second blank independent
Explanation:
Light Dependent reactions depend on light and right independent reactions don't
algae's general habitat?
Answer:
Algae is the process to describe that diverse group of photosynthetic lifeforms.
Explanation:
Algae is that environments process to the rivers and lakes to ponds waters an snow, algae living in the contain snow pigments that addition to the surrounding contain distinctive.
Algae is environment near inside water bodies, algae in many components in plants as stems and shoots or leaves nutrients water their body.
Algae like plants an special structure and algae is well defined body in the structure stems and leaves are photosynthetic organisms, algae are free living and symbolic relationship other organisms, there are many types of algae:- Green algae, blue and green algae ,red algae.
Green algae:- green algae to that conduct photosynthesis symbolic relation with higher organisms.
Blue and green algae:- this algae are include dams, river, lakes.
Red algae:- red algae is used in species found in freshwater ecosystem.
Algae is in unicellular and multicellular in environment nature.
Consider the cladogram. A cladogram is shown. Roundworms have the derived characteristics of true tissues, bilateral symmetry, and a pseudocoelom. Which group of organisms has the derived characteristics of true tissues, bilateral symmetry, and a pseudocoelom? sponges roundworms annelids chordates
Answer:
The correct answer is - roundworms.
Explanation:
The answer is already mention in the question, however, the detailed answer is as follows:
The characteristics that are given in the question are true tissues, bilateral symmetry, and a pseudocoelom. Worms or helminths are known as primitive form of organization of the Bilaterians. All three group of worms or helmints have a basic bilateral symmetry.
These organisms inaugurated various characteristic that are found and carried by other animals such as true tissues, bilateral symmetry, and a pseudocoelom.
Thus, the correct answer is - roundworms.
Answer:
its b
Explanation:
briefly outline how cell theory has developed over the past 400 years
Explanation:
The cell theory, or cell doctrine, states that all organisms are composed of similar units of organization, called cells. The concept was formally articulated in 1839 by Schleiden & Schwann and has remained as the foundation of modern biology. The idea predates other great paradigms of biology including Darwin’s theory of evolution (1859), Mendel’s laws of inheritance (1865), and the establishment of comparative biochemistry (1940).
First Cells Seen in Cork
While the invention of the telescope made the Cosmos accessible to human observation, the microsope opened up smaller worlds, showing what living forms were composed of. The cell was first discovered and named by Robert Hooke in 1665. He remarked that it looked strangely similar to cellula or small rooms which monks inhabited, thus deriving the name. However what Hooke actually saw was the dead cell walls of plant cells (cork) as it appeared under the microscope. Hooke’s description of these cells was published in Micrographia. The cell walls observed by Hooke gave no indication of the nucleus and other organelles found in most living cells. The first man to witness a live cell under a microscope was Anton van Leeuwenhoek, who in 1674 described the algae Spirogyra. Van Leeuwenhoek probably also saw bacteria
The cell theory, states that all organisms are composed of similar units of organization, called cells.
What is cell theory?The concept of cell theory was in 1839 by Schleiden & Schwann which leads the foundation of modern biology. Cell theory states that every cell is generated from another preexisting cell.
This idea makes the great revolution in biology including Darwin’s theory of evolution (1859), Mendel’s laws of inheritance (1865), and the establishment of comparative biochemistry (1940).
Schleiden & Schwann propose every organism is composed of the cell, which is the basic unit of life and each cell comes from the preexisting cell, and each cell produces a progeny which is similar to its parent cell.
Therefore, cell theory states the existence of the cell in the organism.
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Please help!
Without the discovery of magnetic reversals recorded on the ocean floor, scientists
A. could not confirm the usefulness of sonar
B. could destroy the hypothesis of continental drift
C. could not provide a mechanism for moving continents
D. could explain how the seafloor was being destroyed
Answer:
C. could not provide a mechanism for moving continents
Explanation:
Without the discovery of magnetic reversals recorded on the ocean floor, scientists could not provide a mechanism for moving continents.
Magnetic reversals are responsible for geological shifts and depend on the distribution of tectonic plates that causes movements of continents.
Asymmetric movement of tectonic plates leads to movement of continents and the degree of asymmetry varies with the same rythm of the magnetic reversal rate.
Hence, discovery of magnetic reversals are important to identify the mechanism for moving continents.
The study of a living being is called biology.
The correct answer is C.
Without the discovery of magnetic reversals recorded on the ocean floor, scientists could not provide a mechanism for moving continents because magnetic reversals are responsible for geological shifts and depend on the distribution of tectonic plates that causes movements of continents.
Asymmetric movement of tectonic plates leads to movement of continents and the degree of asymmetry varies with the same rhythm of the magnetic reversal rate. Therefore the discovery of magnetic reversals is important to identify the mechanism for moving continents.
Hence, the correct answer is C that it could not provide a mechanism for moving continents.
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Can podocyte cells in the Bowmann capsule attach to any other basement membrane other than the glomerular basement membrane? That is, it can itself have a separate layer of base membrane?
Answer:
"Podocytes are cells in the Bowman's capsule in the kidneys that wrap around capillaries of the glomerulus. Podocyte cells make up the epithelial lining of Bowman's capsule, the third layer through which filtration of blood takes place.[1] The Bowman's capsule filters the blood, retaining large molecules such as proteins while smaller molecules such as water, salts, and sugars are filtered as the first step in the formation of urine. Although various viscera have epithelial layers, the name visceral epithelial cells usually refers specifically to podocytes, which are specialized epithelial cells that reside in the visceral layer of the capsule. "
Explanation:
hope this helps
What is absorbed into the blood stream in small intestine and large intestine ?
Answer:
Digested food molecules
Explanation:
16. Which one of the following statements best describes group behavior?
A. Group behavior depends solely on its most influential individual members.
B. Group behavior is a thing apart from the behavior of any individual in the group.
C. A group is the sum of the behavior of all of the group members.
D. As a group behaves, so too will each individual in the group.
Answer:
C. A group is the sum of the behavior of all of the group members.
Explanation:
The statement which best describes group behavior is: C. A group is the sum of the behavior of all of the group members.
A group is also referred to as a team and it can be defined as a group of people or set of individuals having various skill set, knowledge, ideas and experience, who come together to work on a project or task, in order to successfully achieve a set goal and objective.
Therefore, individuals working as a group usually interact with the other group members and as a result, this enhances performance and strengthen the level of relationship they share.
In conclusion, a group is the overall sum of the behavior of all of the members in a particular group.
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Quick
Check
Which structures are found in both animal and plant cells? Check all that apply.
cell membrane
cell wall
cytoplasm
Golgi body
nucleus
ribosome
vacuole
Answer:the organelle which are found in both animal and plant cells are
Cell membrane
Cytoplasm
Nucelus
Golgi bodies
Ribosome and
Vacoule ( in different amount)
The structures that are found in both animal and plant cells are cell membrane, cytoplasm, golgi body, nucleus and ribosomes. The correct options are a, c, d, e, and f.
What is a cell?All living organisms and body tissues are made up of cells, which are the smallest unit that can live on its own.
A cell is made up of three major components: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and regulates the substances that enter and exit the cell.
Plant and animal cells are structurally very comparable because they are both eukaryotic cells.
The nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes are all membrane-bound organelles in both.
Plant cells lack centrosomes and lysosomes, whereas animal cells do. Plant cells always possesses a cell wall, chloroplasts as well as other specialized plastids, and a large central vacuole, whereas animal cells do not.
Thus, the correct options are a, c, d, e, and f.
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The incidence of phenylketonuria (PKU), an autosomal recessive genetic disorder, is approximately 1 in 4,500 in Ireland. Assuming Hardy-Weinberg equilibrium, what is the probability that an Irish female, who is phenotypically normal with no family history of PKU, and an Irish male, who like his parents does not have PKU, but does have a sister with PKU, will have a child with PKU?
Answer: Probability: 0%
Explanation:
Hardy-Weinberg establishes that the genetic composition of a population remains in equilibrium as long as no natural selection or other factors act and no mutations occur. This means that the children of this couple will inherit the genes of the parents.
The woman is phenotypically normal with no family history of PKU, this mean that probably there are no affected (recessive) alleles in her family. In an autosomal recessive disorder, both copies of the gene in each cell are recessive. Therefore, her genotype will be AA with A being the dominant and normal allele. As for the Irish man, his sister does have PKU, which means her genotype is aa. So, she must have received a defective allele from each parent. Then the parents' genotypes are both Aa (heterozygous, only one allele affected as they are healthy). So, we know that the Irish man does not have the disease (he can't be aa), but he could be Aa (having inherited a normal allele from one parent, and an affected one from the other parent) or AA (having inherited both normal alleles from each parent).
Then we have two possible punnetts square to do: AA (the Irish woman) and AA (he Irish man); or AA (woman) and Aa (man).
In the attached figure both punnetts squares are shown. The first punnett square (AA x AA) shows that 100% of the offspring will be AA (this means, the phenotypic ratio is also 100% not affected and non-carrier). The second punnett square (AA x Aa) shows that 50% will be AA (healthy and non-carrier) and 50% will be Aa (heterozygous, healthy and carrier) But since it is an autosomal recessive disease, a single affected allele is not enough to develop the disease. So in neither case is there a chance of having a child with PKU.
Which color of light does chlorophyll b absorb more of than any other color?
Answer:
Blue and Red
Explanation:
The highest spike of chlorophyll B on this graph is between 400 and 500nm, making it a shade of blue. The second spike is between 600 and 700nm, making it a shade of orange-red.
the answer is blue\///////
what are the challenges faced by the role of climate on crop production?
Answer:
Climate on crop production contribute to the greenhouse effect and climate change and impacts on agriculture production.
Explanation:
Crop production of climate change is likely to change food security in the future, all people and economic to sufficient and safe an active life.
Climate change is to contribute to food prices and food production, and expensive climate change increase energy prices,production may increased crop water and suitable production.
Agriculture and food product system is a major process source of gas,could increase products,yield of crop restricted by the extreme events.
Productivity can also effects on the immune system them certain diseases,in animals are productivity and fertility.
Crop level to climate change is expected be in future changing crop irrigation practices,crop production under global change.
Climate change extreme events have been and strategies suggest to help maintain production and restoring farm type, crop, food systems, crop that stress tolerance.
Technology has affected society by causing radical changes in how people live. For example, e-mail on the computer has changed the way we communicate with the world. Describe another example of how technology has changed how people live
Answer: the modern production of the cars change the way of transportation
Modern houses change the way where people locate
Another example of how technology has changed how people live is the widespread use of smartphones and mobile applications.
Smartphones have become an integral part of daily life for many people, revolutionizing the way we communicate, access information, and carry out various tasks.
Some ways in which smartphones and mobile applications have transformed our lives:
1. Communication: Smartphones have made communication more convenient and accessible. With features like instant messaging, video calls, and social media apps, people can easily connect with others regardless of their location.
2. Information Access: Smartphones provide instant access to a vast amount of information through the internet. With a few taps on a smartphone screen, people can search for news, look up facts, find directions, or access educational resources.
3. Online Shopping: E-commerce platforms and mobile shopping apps have revolutionized the way people shop. With smartphones, individuals can browse and purchase products or services from anywhere, anytime.
These are just a few examples of how smartphones and mobile applications have significantly changed the way we live.
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The pronghorn antelope resides in temperature grassland biomes of North America. Their primary predators in this region are wolves, coyotes, cougars, and bobcats. The reason pronghorn antelope are not found outside of North America is most likely that Group of answer choices
Answer:
The options are
A) there are too many pronghorn predators outside North America.
B) its temperature requirements are stringent and not met outside North America.
C) it is a relatively new species in evolutionary terms.
D) its nutritional requirements cannot be met outside this region.
E) it has never dispersed beyond this region.
The answer is E) it has never dispersed beyond this region.
The pronghorn antelope resides in temperature grassland biomes of North America. The reason pronghorn antelope are not found outside of North America is most likely that it has never dispersed beyond this region which could be due to the suitability of the environment to their survival.
3. Calcium carbonate is the majour component of marble. Sulphuric acid one of the majour components of acid rain. Write a balanced chemical quation to show how the corrosion of marble statue by the acid rain.
Answer:
here
Explanation:
CaCO3 + H2SO4
-----> CaSO4 + H2O + CO2
please give the correct answer to this question
Answer: Lymphatic system
Explanation:
Not respiratory and excretory for sure.
Not nervous because the diagram doesn't show spinal nerves clearly. So its lymphatic system.
:-)
Which of the following descries a solution that contain a buffer? A. Sodium hydroxide, a base, is added to the solution, and the pH of the solution becomes higher. B. Citric acid is added to the solution, but the pH of the solution does not change. C. Acetic acid is added to the solution, and the pH of the solution becomes lower. D. Distilled water is added to the solution, and the pH of the solution does not change.
Answer:
B. Citric acid is added to the solution, but the pH of the solution does not change.
Explanation:
In chemistry, buffer solutions or simply called Buffer are solutions that resist a change in pH when an acid or base is added to them i.e they maintain a constant pH. This is as a result of the content of the solution. A buffer may contain a weak acid and its conjugate base (salt) or a weak base and its conjugate acid.
Hence, when a strong base or acid is added to them, they still restore the original pH of the solution due to the reaction that removes or neutralizes the hydrogen or hydroxide ions from the acid and base added to them respectively. This is what happens when Citric acid is added to the solution, but the pH of the solution does not change.
Citric acid, which is an acid, does not practically increase or decrease the pH of the solution. Hence, the solution is called a buffer.
Answer:
Citric acid is added to the solution, but the pH of the solution does not change.
Explanation:
Got it right on Apex
Hope I helped! :)
Dump out half of the particles. Place your hand tightly over the top and shake the container. Then remove most of the remaining particles, and shake the container again. Compared with the full container, which states of matter do these two models most closely represent? Explain.
Answer:
solid
Explanation:
The two models explained are most closely representing the "solid" state.
As in both the models the techniques used are to separate particles through shaking technique and shaking is efficient gravity separation method which helps in separating solid particles such as while dealing with tungsten and tin.
Hence, the correct answer is "Solid".
Answer:
When the container was half full, the particles had more freedom to move around than they did when the container was full. A half-full container represents a liquid. When the container had only a few particles, they had lot more freedom to move about. So, this model represented a gas.
Explanation:
plato answer
In the first 10 weeks of a resistance training program, the gains in strength are due primarily to Group of answer choices neural adaptations hypertrophy hyperplasia increased muscle fiber size
Answer:
The correct answer is A: Neural Adaptations
Explanation:
From zero to ten weeks of starting a resistance training program, the above gains in strength happen as a result of Neural Adaptations
Strength training helps improve and increase the motor neuron pathways that strengthen the coordination between the brain and the body of the athletes during repetitive motion.
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A person is dehydration and they start to bleed from their nose. But they're bleeding from only one nostril. Why?
The lining of your nose contains many tiny blood vessels that lie close to the surface and are easily damaged.
The two most common causes of nosebleeds are:
Dry air — when your nasal membranes dry out, they're more susceptible to bleeding and infections
Nose picking
What happens when volcanoes release greenhouse gases into the atmosphere?
Answer:
a. the climate gets warmer...
Explanation:
When volcanoes release greenhouse gases into the atmosphere, global warming is due to the greenhouse effect.
What do you mean by the Greenhouse effect?The Greenhouse effect may be defined as the phenomenon of keeping the earth warm due to the presence of certain gases in the atmosphere.
Greenhouse gases like carbon dioxide, Methane, and Nitrous oxide allow the solar radiations to enter but prevent the escape of heat radiations of longer wavelength.
Due to this, the gradual and continuous increase in the average temperature of the earth's surface occurs, a phenomenon known as global warming.
Therefore, when volcanoes release greenhouse gases into the atmosphere, global warming is due to the greenhouse effect.
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Which of the following is not a function of the cell membrane? A. Keeping all the parts of a cell inside B. Helping a cell to alter its shape C. Allow prokaryotes to use cell division D. A place for cellular reactions to take place
Answer:
D. A place for cellular reactions to take place
Explanation:
the cell membrane perfomes divers functions ranging from the Keeping of all the parts of a cell inside, helping cell to alter its shape, allowing prokaryotes to use cell division. Most of the cell reactions happens in the Mitochondrion, not the CELL MEMBRANE
A place for cellular reactions to take place is not true about cell membrane .
What are the function of cell membrane ?Cell membrane forms barrier keeping the constituents of the cell in and unwanted substances out and to be a gate allowing transport into the cell of essential nutrients and movement from the cell of waste products.
What is cell membrane?The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment.
Hence, D is correct option
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Which kind of research is most likely to improve the health of the
environment?
Answer:
The environment play a role in people mental and physical being.
Explanation:
Environment quality and human health remain factors and taking into multiple interactions economic and cultural context.
Environment through air pollution, chemicals, poor quality water and natural area loss, increase in rates obesity, diabetes, and diseases.
Environment factors are particular matter, environmental tobacco smoke leading,and indicative ranking of environmental impacts of health.
Environment across depend on the pressures relate to pollution and natural resources,pollution reduction and the natural environment distribute populations.
Environmental quality can be policy and population group, incomes, elderly and the educational status, environment burden they focus on health and complex causal path.
What does "the process of making more of the same producing offspring" called?
Thanks..
state the effect of the heat on plastic and Alcohol
Answer: When the heat hits the plastic it starts to soften up and loose stiffness in it, but with alcohol it can cause serious consequences, drinking alcohol can cause more urination and lead to dehydration.
Explanation:
Answer:
the heat melts the plastic or softens it, which causes it to change shape.
alcohol changes taste and has a faster evaporation rate. If a person drinks warm alcohol he would start to lose more body water, he will perspire and urinate more.
;D hope this helps
