The advantage of starting with the 4x objective before moving to the 10x and then the 40x objective is that the lower power objective has a larger field of view and is easier to focus.
What are objective lens of a microscope?An objective lens of a microscope are those lens that are used to focus that sample on a slide and they are always the closest lens to the slides.
The four types of objective lens of a microscope include:
× 4 objective×10 objective×40 objective andoil immersionThe advantage of starting with the 4x objective before moving to the 10x and then the 40x objective is that the lower power objective has a larger field of view and is easier to focus.
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A metabolic reaction will most likely reverse itself when the ____
A metabolic reaction will most likely reverse itself when the concentration of its products is too high.
What is a metabolic reaction?A metabolic reaction is a chemical reaction that generates one of more products, which are used by the body.
Metabolic reactions are homeostatically controlled in order to maintain the internal body equilibrium.
In conclusion, a metabolic reaction will most likely reverse itself when the concentration of its products is too high.
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Ribosomal subunits are large complexes composed of numerous polypeptides and at least one rrna molecule. Which subunits include three rrna molecules?.
What will most likely happen if a person does not consume the minimum daily requirement of carbohydrates?
If a person does not consume the minimum daily requirement of carbohydrates then the body will use stored glycogen and the person will look unhealthy and become weak after some time.
Importance of carbohydrates: Like other nutrients, carbohydrates are also very essential for various functions of the body. Carbohydrates such as glucose are required for instant energy and day-to-day activities. If there is no or less amount of carbohydrate in the body then our body will start converting the glycogen that is stored in the liver into glucose. After some time, the person will start to appear unhealthy, thin and weak if there is no minimum daily requirement of carbohydrates is met.To know more about carbohydrates, refer:
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04. Describe one way in which decay by microorganisms is useful.
Answer:
Decay by microorganisms helps in enriching the fertility of the soil....
Explanation:
Hope it Helps!!!
What caused teenagers and young adults to be more affected in the 1918 influenza
pandemic?
A. Pain
B. Fever
C. Headache
D. Cytokine storm
Answer
The answer is Cytokine Storm
Explanation:
Research has demonstrated that people will help in-group members because __________.
Research has demonstrated that people will help in-group members because they have feelings of empathy.
What is empathy?Empathy is an emotion that helps people to understand the situation in which another person lives.
Empathy also helps to develop healthy groups and communities and it is an evolutionary feature.
In conclusion, research has demonstrated that people will help in-group members because they have feelings of empathy.
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Which of the following is a result of crossing over during meiosis?
O Gametes contain much less than one half of the genetic information of the parent that produced them.
Chromosomes with new combinations of alleles are created.
Gametes contain much more than one half of the genetic information of the parent that produced them.
O Dominant alleles tend to be inherited together.
Answer:
B) Chromosomes with new combinations of alleles are created
Place the following statements in the correct order in the blanks below to describe how gas
exchange occurs in the leaf. Make sure you include how the gas enters, and how it exits
the leaf. Some statements may be used more than once.
a. Diffuses into air pockets
b. Diffuses into palisade cells
c. CO2(g) is converted into O2(g)
d. Diffuses through spongy tissue layer
e. Moves through open stomata
____ ____ ____ ____ ____ ____ ____ ____ ____
The correct order in the blanks is as follows E D C E A B A C E
Moves through open stomata diffuses through spongy tissue layer CO2(g) is converted into O2(g). Moves through open stomata diffuses into air pockets and diffuses into palisade cells. Diffuses into air pockets CO2(g) is converted into O2(g) moves through open stomata.
What is photosynthesis?
Plants use sunlight, water, and carbon dioxide to produce oxygen and energy in the form of sugar in a process known as photosynthesis.
When performing photosynthesis, plants utilize the ambient carbon dioxide and release the oxygen gas they create into the atmosphere. Gas exchange is the term for this. Stomata, a unique part of the plant's leaf, are used to accomplish this. The guard cells that surround the stomata become turgid or flaccid in response to the entry or escape of water molecules, respectively. Stomata open and gas exchange occurs when the guard cells become turgid, or the other way around.
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Specialised Plant cells are used to absorb water from the soil.
Explain how the structure of these specialised cells are adapted for its function.
(I need this to be slightly unprofessional,so please do not copy off a website,I also need this quick)
Answer:
The Roots have what are known as Root Hair Cells on their surface, these Root Hair Cells increase the Surface Area of the Root allowing a more efficient absorption of Water and Mineral Ions. Found within the cells is a large Vacuole. the role of any Vacuole is to hold the nutrients (mainly salts and sugars) needed for the cell to carry out its multiple functions. So, with this Vacuole being large, it allows more of these nutrients to be held for the Root.
can someone find this answer
Answer:
Option D. (Osmosis)
Osmosis is the process by which water moves from an area of low solute concentration to high solute concentration across a membrane.
Which of the following correctly explains the data in the graphs above?
Select one:
O a. The eastern states use much more water for agricultural use because the majority
of use farms and ranches are found there.
Ob. The western states use much more water for agricultural use because the majority
of use farms and ranches are found there.
OC.
The northern states use much more water for agricultural use because the majority
of use farms and ranches are found there.
↑
The correct option to your question is : ( B ) The western states use much more water for agricultural use because the majority of use farms and ranches are found there.
The Agricultural regionThe western states of the united states use much of water for agricultural purposes because most of the farms and ranches are found in the western region of the united states due its temperate weather conditions and fertile soil the west region can be classified as the agricultural region. as well as Texas
Although the graphs related to your question is missing the region that uses much water for agricultural purposes is the western region.
Hence we can conclude that The western states use much more water for agricultural use because the majority of use farms and ranches are found there.
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In this investigation, you will observe the release of O2 and CO2 into the environment. Gas production by two types of organisms will serve as evidence of photosynthesis and cellular respiration in action. In part 1, you will vary the amount of sugar present and observe the effect on cellular respiration.
Anaerobic (without oxygen) and aerobic (with oxygen) cellular respiration are both possible (without oxygen).
During aerobic cellular respiration, glucose and oxygen combine to create ATP, which the cell can utilise. As byproducts, carbon dioxide and water are produced.
What are the three stages of cellular respiration?The Krebs cycle, oxidative phosphorylation, and glycolysis—an anaerobic process—are the three phases of aerobic cellular respiration.
All forms of cellular respiration begin with glycolysis, which is anaerobic and oxygen-free. The pathway will go on to the Krebs cycle and oxidative phosphorylation if oxygen is present. However, some species may engage in fermentation to continuously manufacture ATP in the absence of oxygen.
Total amount of ATP molecules generated during aerobic respiration from a single glucose molecule.
During glycolysis:
As 2ATP
From 2NADH 5ATP (oxidation phosphorylation)
In pyruvate oxidation;
From 2NADH 5ATP (oxidative phosphorylation)
Citric acid cycle;
ATP ATP (substrate level phosphorylation)
From 6NADH 15ATP (oxidative phosphyrlation)
From 2 FADH2 3ATP
Total Number ATP = 32 ATP
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Which of the following factors would be LEAST likely to have an impact on the carrying capacity of an ecosystem?
OA. The amount of food available.
OB. The age of the habitat.
C. The number of nesting sites.
OD. Diseases existing in the habitat.
O E. The number of predators.
I need the answers asap ASAP ASAP please
2.how are the amino acids formed from the codon in mutation #2 different from those formed from the original codon pattern.
The codons are read on the amino acid table and the amino acid is determined.
Two amino acids different from those formed from the original codon pattern are methionine and tryptophan.
How are amino acids formed from codonsThe three-letter nature of codons means the four nucleotides found in mRNA
A stands for adenine
U stands for Uracil
G stands for guanine
C stands for cytosine
They produce a total of 64 different combinations but only 61 represent amino acids, the remaining three are STOP signals.
For instance, AUG is a codon that is read as methionine in the amino acid table.
Hence, the codons are read on the amino acid table and the amino acid is determined.
Two amino acids different from those formed from the original codon pattern are methionine and tryptophan gotten from one single codon.
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Use the following vocabulary words in a coherent paragraph using the image below as a resource. Highlight your vocabulary words.
Transmit Absorb Frequency Light Energy Reflection Transparent
(image attached)
thank you!! WILL GIVE BRAINLIEST!!
Answer:
Transmit - cause (something) to pass on from one place or person to another.
Absorb - take in or soak up (energy or a liquid or other substance) by chemical or physical action.
Frequency - the rate at which a vibration occurs that constitutes a wave, either in a material (as in sound waves), or in an electromagnetic field (as in radio waves and light), usually measured per second.
Light Energy - Light energy is a kind of kinetic energy with the ability to make types of light visible to human eyes. Light is defined as a form of electromagnetic radiation emitted by hot objects like lasers, bulbs, and the sun.
Reflection - the throwing back by a body or surface of light, heat, or sound without absorbing it.
Transparent - (of a material or article) allowing light to pass through so that objects behind can be distinctly seen.
Answer:
In the photo to the left, we can see a red tomato. This tomato appears red because of how it is interacting with the light energy it is receiving. It is reflecting red, and absorbing all other colors: orange, yellow, green, blue, and violet. In this depiction, you can see an entire rainbow of colors going into the apple and only red coming/bouncing (reflecting) back off. You can also see the green of the stem, which is colored in the same way. It absorbs certain frequencies of light--all other colors of light than green--and reflects certain frequencies of light, green light.
In this image, we are able to see the apple and stem because the air/medium that we are seeing this image through is transparent. If the surroundings were opaque, we wouldn’t see red at all (all colors would be blocked if light is blocked).
Another transparent factor in this image are light waves. Actual lightwaves (unless they are being refracted in such a way that they are being spread out--like a laser beam hitting a spray of water mist) are transparent.
You wouldn’t be able to see the [red] lightwaves bouncing off, you would only see the red of the apple. When light is being refracted by a different translucent material--such as glass, plastic, and water--that material is also transmitting the light, it is passing on the light wave. This is when refraction/the bending of light due to a change in media occurs.
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Why did problems with low oxygen levels and increasing carbon dioxide levels develop in Biosphere?
The problem with low oxygen levels and increasing carbon dioxide levels develop in the Biosphere because the oxygen was absorbed by the population of microbes that are growing in an uncontrolled manner and some other concrete structures present in the Biosphere.
What is Biosphere?A biosphere may be defined as the areas of the surface and atmosphere of the earth or another planet inhabited by living organisms. It may also be regarded as the zone of life on earth.
The amount of carbon dioxide directly depends on the amount of oxygen. If the oxygen level reduces, the level of carbon dioxide will definitely tend to increase.
The level of oxygen accounted as low in the biosphere due to the microbial respiration to a larger extent. And thereby, the level of carbon dioxide increases.
Therefore, it is well described above.
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After absorption, long-chain fatty acids and monoglycerides inside intestinal cells are:
After absorption, long-chain fatty acids and monoglycerides inside intestinal cells are reformed into triglycerides.
What are triglycerides?Triglycerides are lipids in the body composed of three fatty acids and one glycerol molecule.
Triglycerides are a fundamental lipid in the blood and they serve as a source of high-level energy.
In conclusion, after absorption, long-chain fatty acids and monoglycerides inside intestinal cells are reformed into triglycerides.
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A car with a mass of 1,324 kilograms, traveling at a speed of 20 meters/second, crashes into a wall and stops. What is the kinetic energy after this perfectly inelastic collision?
Answer:
0 joules
Explanation:
I think the correct answer from the choices listed above is 0. The kinetic energy after the perfectly inelastic collision would be zero Joules. A perfectly inelastic collision occurs when the maximum amount of kinetic energy of a system is lost. Hope this answers the question.
What term describes a plant's response to external stimuli like light, gravity, and touch?
According to the research, a tropism is a plant's response to external stimuli like light, gravity, and touch.
What is a tropism?It is the response that plants or certain organs of them make to a stimulus that comes from the outside.
There are different classes of tropisms according to the nature of the stimulus, gravitropism, phototropism, heliotropism among others.
Therefore, we can conclude that according to the research, a tropism is a plant's response to external stimuli like light, gravity, and touch.
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the main goal of poaching is
The main goal of poaching is to make money from the parts of the animals poached.
What is poaching?Poaching refers to the illegal and indiscriminate hunting of animals for a part of the animal which is of economical value in the society.
The most commonly poached animals are elephants for theirs tusks, tigers for their skin, pangolins for their scales.
Therefore, the main goal of poaching is to make money from the parts of the animals poached.
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major arteries of the brain
The main arteries of the brain are the vertebral and basilar arteries.
What are the main arteries of the brain?The vertebral and basilar arteries supply the
brainstemcerebellumposterior cerebral cortexand medial temporal lobe.The posterior cerebral arteries bifurcate from the basilar artery to supply the medial temporal (including the hippocampus) and occipital lobes, thalamus, and mammillary and geniculate bodies.
With this information, we can conclude that the main arteries of the brain are the vertebral and basilar arteries.
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Bacterial smears are fixed with
a. water
b. bunsen burner
c. none of the above
d. heat
Answer:
the answer is water
Explanation:
because it is
The portion of the dna double helix requiring the least energy input to form the bond is the.
Whenever electrosurgical instruments are used, the irrigation fluid must be ________.
The irrigation fluid must be non-electrolytic whenever electrosurgical instruments are used.
What is an irrigation fluid?An irrigation fluid can be defined as any fluid that is typically used to rinse or wash an electrosurgical instrument, organ or body cavity.
As a general rule and standard, it is very important that the irrigation fluid must be non-electrolytic whenever electrosurgical instruments are used in order to prevent electric hazard or electrocution.
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The diagram below shows some relationships between ecosystems near the
Sonoran and Chihuahuan Deserts. What kind of ecosystem is the thornscrub?
Temperate
Forest
Madrean
Woodland
(sporadically
Interior Chaparral)
Semidesert Grassland
Thornscrub
Desert
A. Badland
B. Shrubland
C. Wetland
D. Grassland
9000 feet
8000 feet
7000 feet
-6000 feet
-5000 feet
4000 feet
3000 feet
-2000 feet
1000 feet
Based on the ecosystems located near the Sonoran and Chihuahuan Deserts, an ecosystem which the thornscrub belongs to is: B. shrubland.
What is thornscrub?Thornscrub can be defined as a transitional biome that exist between a tropical and desert forest. This ultimately implies that, thornscrub comprises grasses, geophytes, and herbs,
In this context, we can infer and logically deduce that an ecosystem which the thornscrub belongs to is shrubland because it's typically made up of a plant community.
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Identify the emergent properties of the human respiratory system
The human respiratory system is composed by nose and mouth and continues through the airways and lungs. Air enters the respiratory system through the nose and mouth, passing through the throat (pharynx) and voice box or larynx.
What is the importance of the respiratory system?The respiratory system allows the exchange of gases with atmospheric air, ensuring the concentration of oxygen in the blood, necessary for the body's metabolic reactions, and on the other hand serving as a route for the elimination of residual gases, such as carbon dioxide.
In this case, we can see the multicellular organisms show emergent properties; these are properties that exist due to many different components working together.
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difine jack screw
please help me
Answer:
A few basic components comprise a jackscrew. The main piece is the screw itself. The screw may be connected to a plate of some kind housing a load or attached to another piece of machinery that is then moved.
Answer:
a screw that can be turned to adjust the position of an object into which it fits.
a vehicle jack worked by a screw device.
Explanation:
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Can someone please help me with this question?
Question: High population densities in urban areas have advantages and disadvantages. List as many of each as you can and defend your conclusion. How could the disadvantages be eliminated or reduced? Use evidence to support your conclusion.
Answer:
Low fertility rates that cause long-term population decline can also lead to population ageing, an imbalance in the population age structure. Population ageing in Europe due to low fertility rates has given rise to concerns about its impact on social cohesion.
how does catfish compare to the 4 groups of plants?
Match the structure of proteins.
I
Primary structure
A
Twisted polypeptide chain
II
Secondary structure B
Folded polypeptide chain
III
Tertiary structure C
Linear polypeptide chain
I - C, II - A, and III – B
I - B, II - C, and III - A
I - A, II - C, and III - B
I - C, II - B, and III - A
The matching of the structure of proteins is as follows:
Primary structure: Linear polypeptide chain.Secondary structure: Twisted polypeptide chain.Tertiary structure: Folded polypeptide chain.Thus, the correct option is A.
What are Proteins?Proteins may be defined as intrinsically appearing, a remarkably complicated substance that consists of amino acid residues united by peptide bonds.
The primary structure of the protein is so simple and it looks like a linear chain of the polypeptide. The secondary structure of proteins consists of alpha-helix and beta-pleated sheet that involves the twisted form of polypeptide chains.
The tertiary structure of the protein is more complicated as compared to secondary and primary. This structure emerges due to the constant folding of polypeptide chains.
Therefore, it is well described above.
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