Magnification and resolution are crucial since the former enlarges the image while the latter gives it structure and detail, producing the ideal picture.
Why is resolution important in microscopy?Many microscopists do not try to obtain the maximum picture resolution that is feasible with their tools when doing daily routine observations. The most crucial aspect of the optical system of a microscope is its resolving power, which affects the capacity to discern between minute features of a given specimen.
The objective numerical aperture is the main factor in determining resolution, but resolution is also influenced by the type of specimen, coherence of illumination, degree of aberration correction, and other factors like contrast-enhancing techniques in the microscope's optical system or in the specimen itself.
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Explanation of what can happen when cell division is not regulated. include the following words: cancer, tumor, benign, malignant, radiation and chemotherapy
When the cell division is not regulated, it can result in cancer.
Cell division is a highly regulated process to ensure the correct formation of daughter cells. If cell division does not take place correctly, it results in cancer. Cancer is a disease of uncontrolled cell division forming masses of undifferentiated cells, also called tumor in the body.
When the tumor does not spread to the whole body and remains confined in a fixed place, it is called benign. However when the tumor starts spreading to the whole body, a property called metastasis, it becomes malignant. The treatment of cancer can be done by various methods. The two most commonly implemented methods are: radiation therapy and chemotherapy.
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Identify the plant phylum based on the description.
1. A tree that can be found in the mountains and produces seeds in cones is a type of
2. A tree that produces blossoms that can be fertilized and develop into fruit is a type of
3. This low-lying plant that requires damp surfaces and does not have a system to transport water is a
Every answer has an answer as one of these: Moss, Fern, Conifer, or Flowering Plant
The answers to these questions are:
A tree that can be found in the mountains and produces seeds in cones is a type of conifer. A tree that produces blossoms that can be fertilized and develop into fruit is a type of flowering plant.This low-lying plant that requires damp surfaces and does not have a system to transport water is a moss.What is a phylum in biology?In biology the term phylum is used to refer to the groups of related things that are known to either be plants or animals that have the same class and also belong to the same kingdom.
The conifers are the plants that would bear fruits that may appear as cones. They are evergreen and they have a straight and tall tree trunk.
The flowering plants are the plants that would have to bear flowers before they would then turn around to become fruit. An example is an orange tree.
Hence we can say that
A tree that can be found in the mountains and produces seeds in cones is a type of conifer. A tree that produces blossoms that can be fertilized and develop into fruit is a type of flowering plant.This low-lying plant that requires damp surfaces and does not have a system to transport water is a moss.Read more on phylum here: https://brainly.com/question/24239568
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Multicellular organisms depend on the process of cell differentiation in order to produce
different types of cells such as germ and somatic cells. What part of the cell determines what
type of specialized cell it will become?
Answer: Dexoyribonucleic Acid, or DNA, controls the way cells function. It also determines what type of specialized cells will be made.
Explanation:
Consider one of the procedures where amylase and starch are reacting. If there is strong amylase activity and it is breaking down starch, then you would assign an enzyme activity level of ________.
Answer:
Consider one of the procedures where amylase and starch are reacting. If there is strong amylase activity and it is breaking down starch, then you would assign an enzyme activity level of Three.
Explanation:
To evaluate the enzyme activity you might observe the amounts of starch remaining in a solution or the enzyme activity. Both of them can be done qualitatively by adding substances such as iodine to the sample, which will express, through different degrees of the blue color, the enzyme activity level. So,
no enzymatic activity ----------------> level 0
low enzymatic activity ---------------> level 1
moderate enzymatic activity ------> level 2
High enzymatic activity --------------> level 3
In the exposed example there is a strong amylase activity, breaking down starch, which means that there is a very low level of starch and high level of enzymatic activity.
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A person who is starving has a ______ nitrogen balance because the amount of nitrogen excreted as a result of amino acid oxidation exceeds the amount the diet replaces.
A person who is starving has a negative nitrogen balance because the amount of nitrogen excreted as a result of amino acid oxidation exceeds the amount the diet replaces.
What exactly is an amino acid?Amino and carboxyl group functional groups can both be found in organic compounds known as amino acids. Alpha-amino acids, which are the building blocks of proteins and are among the hundreds of distinct amino acids found in nature, are the most widespread. There are just 22 alpha amino acids in the genetic code.
What four tasks do amino acids perform?Protein building components. Despite both D- and non-L-amino acids being present in nature, only L-amino acids can be polymerized to form proteins.Biological insulatorsStoring nitrogen.Creation of different compounds.To know more about Amino acids visit:
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what kind of nerves carry sensory and motor messages in and out of the column that transmits information between the brain and the peripheral nervous system?
The somatic system is the part of peripheral nervous system that is responsible for the carrying sensory and the motor information to and from the central nervous system.
Your somatic nervous system is the subdivision of your peripheral nervous system that is stretches to throughout the nearly every part of your body. The nerves in this system was deliver information to from your senses to your brain. They also carry the commands from your brain to your muscles and so you can move around. An example of the somatic nervous system was the cranial nerves that carry information from the brain to the head and the neck region. The somatic nervous system was controls conscious motor functions in this all area
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This blue tang, this tortoise, and this brazilian rainbow boa have similarities and differences in their body structures. what does the information about these structures tell you about the ancestors of these species?
A dna molecule is characterized by all of the following except:______.
a. double helix shape.
b. obligatory base pairing.
c. ribose sugar.
d. phosphate groups.
Answer:
C ribose sugar
Explanation:
DNA contain deoxyribose
In the basic ames test for mutagenesis, a mutagen is tested to see if it can produce colonies on basic medium that ______ histidine, starting with a _____ strain of bacteria.
According to the research and Ames test, the correct options are lacks, His− phenotype. A mutagen is tested to see if it can produce colonies on basic medium that lacks histidine, starting with a His- phenotype strain of bacteria.
What is Ames test?It is a diagnostic test used for the detection of mutagenic agents, some of which may be carcinogenic, using several strains of Salmonella typhimurium that have different mutations in genes of the histidine operon that, when plated on plates containing traces of histidine, can only grow in it the bacteria that reverted to His− phenotype strains.
In this sense, this test is based on the ability of mutagenic agents to produce a retromutation in auxotrophic strains of Salmonella typhimurium that are deficient in the synthesis of the amino acid histidine.
Therefore, we can conclude that according to the research and Ames test for mutagenesis, the correct options to fill the blank spaces are lacks, His− phenotype. A mutagen is tested to see if it can produce colonies on basic medium that lacks histidine, starting with a His- phenotype strain of bacteria.
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Predict what changes occur from season to season in membranes of the brain of a deer that lives in colorado with its hot summers and cold winters:________
The Prediction of the changes that will occur from season to season in membranes of the brain of a deer that lives in Colorado with its hot summers and cold winters is that the percentage of fatty acids will be higher in the summer and then be lower in the winter.
Note that another Prediction of the changes that will occur from season to season in membranes of the brain of a deer that lives in Colorado with its hot summers and cold winters is that it will be able to perceive smell more in summers that in Cold winters.
Do deer have brains?A deer is known to be an animal that is said to make its brain as one form of weapon.
This is known to be its sniffing arsenal due to the fact that a good portion of a deer's brain is said to be one that is often used to deciphering smells.
Note therefore, that another Prediction of the changes that will occur from season to season in membranes of the brain of a deer that lives in Colorado with its hot summers and cold winters is that it will be able to perceive smell more in summers that in Cold winters.
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A temperate grassland biome has a gross primary productivity of 3, 480 kilocalories/meter?/year and a net primary productivity of 2, 000 kilocalories/meter? / year. Which of the following is the approximate number of kilocalories/ meter? /year available to herbivores in that biome?
200
1480
2000
5480
Answer:
200 kilocal/meters^2/year
Explanation:
200kilocalories/meter²/year is the approximate number of kilocalories/ meter² /year available to herbivores in that biome. Thus option A is correct.
What is biome?A biome is a community of animals and plants that naturally occur in a certain region and have common traits. It is a significant life zone that comprises living species that have a common adaption to that environment.
A temperate grassland biome has a gross primary productivity of 3, 480 kilocalories/meter²/year and a net primary productivity of 2, 000 kilocalories/meter² / year. 200kilocalories/meter²/year is the approximate number of kilocalories/ meter² /year available to herbivores in that biome.
Therefore, the correct option is option A.
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The organelles that are both surrounded by a double membrane, have their own dna, are involved in energy metabolism, and have their own protein synthesis machinery are the:_________
The mitochondria and chloroplasts are two organelles that are both encircled by a double membrane, have their own DNA, are engaged in energy metabolism, and have their own mechanisms for synthesizing proteins.
Describe the metabolism:Your body uses a process called metabolism to convert the food and drink you consume into energy. Through a complex process, carbohydrates from food and drink are combined with oxygen to produce the power your body needs to function.
What three stages of metabolism are there?Stage 1: Catabolism of amino acids, -oxidation of fatty acids, or glycolysis for glucose.Stage 2: Cycle of Citric Acid (or Kreb cycle)Stage 3: ATP production and the electron transport chain.To know more about Metabolism visit:
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what are the terms that best identify monomers of lipids
Lipids don't have monomers but their basic building blocks are fatty acids and glycerol.
Monomers, the smallest building blocks of macromolecules, are linked by covalent bonds to form bigger polymers. The polymer is more than the sum of its parts because it develops new properties.With the release of a water molecule, a monomer unites with another monomer to form a covalent bond.Since there is no base building block that is covalently linked to create the polypeptide, lipids lack monomers. Instead, lipids are made up of a variety of different building blocks that work together to form the polypeptide. These building blocks include glycerol, fatty acid chains, and phosphate groups, all of which are present in varying amounts and structures. For instance, a triglyceride is made up of glycerol and three fatty acid chains. However, some lipids, such as cholesterol, lack even these fundamental elements.Hence, lipids are made up of fatty acids and glycerol.
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2. What is meant by the lock and key model? Explain the relationship between enzymes and substrates
by describing the model that you created.
The lock and key model states that the active site of an enzyme precisely fits a specific substrate.
The induced adaptation model states that upon substrate binding, the enzyme's active site undergoes a conformational change that improves adaptation. The lock-and-key model is a model of enzyme-substrate interaction that suggests that the enzyme and substrate have specific complementary geometries that fit snugly together. Enzymes are very specific.
Must bind to a specific substrate before it can catalyze a chemical reaction. The key-and-key model, also called Fisher theory, is one of two models that describe the interaction of enzymes and substrates. The lock-and-lock model assumes that the active site and substrate of an enzyme have the same shape. The substrate must fit perfectly into the active site of the enzyme.
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How have humans changed the atmosphere of the planet
years?
in the past 200
Answer:
Humans have released lots of greenhouse gases (CO2, Methane, and more) into the atmosphere of our planet in the past 200 years
Hope this helps! :D
Answer: i say by pollution
Explanation:
Starting with one double-stranded dna molecule, how many cycles of pcr would you have to perform to produce about 100 double-stranded copies (assuming 100fficiency per cycle)?
Starting with one double-stranded DNA molecule, 7 cycles of PCR would you have to perform to produce about 100 double-stranded copies (assuming 100 efficiency per cycle).
PCR Product = [tex]2^{n}[/tex]
n= Number of Cycle
PCR- Its basic idea is based on the replication of certain DNA sequences in-vitro using DNA polymerase. This technique may produce tens of billions of copies of a specific DNA fragment from a DNA extract (the sequence of interest, DNA of interest, or target DNA) (DNA template).
DNA- The molecule found inside cells that carries the genetic material necessary for an organism to grow and operate. This knowledge may be handed forward from one generations to the next thanks to DNA molecules.
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A protein’s function is determined by the properties of its amino acids. Which replacement of one amino acid with another is least likely to affect the protein’s function?.
Answer:
here to help!
Explanation:
I have an explanation link here I hope it helps u!Protein structure: Primary, secondary ...
Khan Academy search it up and I hope u understand!
survival needs of the body include: survival needs of the body include: nutrients, water, growth, reproduction water, atmospheric pressure, growth, movement nutrients, water, movement and reproduction nutrients, water, atmospheric pressure, and oxygen
For the survival needs the body requires: nutrients, water, atmospheric pressure, and oxygen.
Nutrients are the organic components of the food that are required by the body for its maintenance. Each type of nutrient provides some essential factor for the body. For example, carbohydrates are required for energy and structural components; ;likewise proteins are essential for body-building and repair.
Oxygen is the most essential requirement of all the aerobic organisms. This is because oxygen aids in the process of cellular respiration and the energy production for the body. The oxygen partial pressure in the human body should remain at least 95% and above.
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A medium-sized rocky object orbits the sun
Answer:
asteroid
Explanation:
Solar glossary confirmed it
the hypothesis that species diversity is greater at lower latitudes than higher latitudes because low-latitude habitats are older would be supported if speciation rates were: higher at low latitude than at high latitude. higher at high latitude than at low latitude. the same at high and low latitudes. more variable at high latitude than at low latitude. more variable at low latitude than at high latitude.
The hypothesis that species diversity is greater at lower latitudes than higher latitudes because low-latitude habitats are older would be supported if speciation rates were: the same at high and low latitudes.
Species diversity can be defined as the number of species, present in an area or the ecosystem. More are the number of species, more diverse is the area is. The richness and functionality of an ecosystem is estimated through its diversity.
Speciation is the phenomenon of formation of a new species. This occurs by the process of evolution, in which an older species give rise to a new one. Species and speciation is more in lower latitudes because the climate here is warm and favorable that supports the growth of organisms.
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Why do the respiratory and circulatory systems need to be studied together?
A: They are physically close to each other
B: the instructions given must be decoded.
C: The gases inhaled must be transported throughout the organism and then exhaled.
D: Energy taken in must be eliminated.
According to the research, the correct option is C. The respiratory and circulatory systems work together so that the inhaled gases are transported throughout the organism and then exhaled that allows blood to circulate bringing oxygen to cells.
How do the respiratory and circulatory systems work together?The circulatory system has the function of transporting oxygen from the respiratory system to all the cells of the body, accessing the nutrients they need to survive and develop and helps collect waste that is then expelled by exhaling air.
In this sense, the respiratory system is responsible for capturing oxygen through inspiration and eliminating carbon dioxide through exhalation.
Therefore, we can conclude that according to the research, the correct option is C. The respiratory and circulatory systems work together so that the inhaled gases are transported throughout the organism and then exhaled that allows blood to circulate bringing oxygen to cells.
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When sea levels rise as rapidly as they have been, even a small increase can have devastating effects on coastal habitats farther inland. It can cause destructive erosion, wetland flooding, aquifer and agricultural soil contamination with salt, and lost habitat for fish, birds, and plants. What happens to biodiversity in coastal communities as the sea level rises?
Biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.
What is sea rise?The term sea rise has to do with a situation in which there is a sudden increase in the sea level. This could lead to a sudden overflow of water into rivers lakes and ponds.
We know that sea water is salty, there is excess salt concentration in a sea water while fresh water does not contain salt at all. In these cases whereby there is an overflow of seawater, the water carries salt along with it. This implies that land and fresh water could become contaminated with this salt and that would have catastrophic effects on these ecosystems.
Since fresh water organisms can not tolerate a sudden increase in the concentration of salt in the ecosystem, biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.
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MISSING PARTS
When sea levels rise as rapidly as they have been, even a small increase can have devastating effects on coastal habitats farther inland. It can cause destructive erosion, wetland flooding, aquifer and agricultural soil contamination with salt, and lost habitat for fish, birds, and plants. What happens to biodiversity in coastal communities as the sea level rises?
A
Biodiversity increases due to the merging of salt water and fresh water ecosystems.
B
Biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.
C
Biodiversity decreases because there are fewer salt water species than there are fresh water species.
D
Biodiversity increases due to the survival of both fresh water and salt water species.
Suppose that zonosemata flies whose own wings had been clipped and reattached were attacked more frequently than untreated zonosemata flies. How would this result have affected the reliability of the other experimental results?.
Suppose that Zonosemata flies whose own wings had been clipped and reattached were attacked more frequently than untreated Zonosemata flies. All results for the experimental groups involving wing surgery would be invalid.
It has been demonstrated that jumping spiders avoid attacking zonosemata insects because of their mimicking technique. Wings from Zonosemata vittigera were transplanted onto houseflies, and vice versa, as part of the experiment.A wing design that resembles legs and a wing-waving display on the tephritid fly Zonosemata vittigera replicate the aggressive territorial behaviours of jumping spiders. When jumping spiders are stalked by zonosemata flies, the spiders show back and retreat as a result of the display. It has been demonstrated through wing transplant studies that effective imitation requires both the wing pattern and wing-waving displays.The tephritid fly Zonosemata vittigera has dark bands on its wings, which it may wave to avoid predators, particularly scurrying spiders.To learn more about Zonosemata.
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In order to identify victims of earthquakes, the DNA database
O would need to include more profiles than that used for known criminals
O would be the same as that used by the country's forensic scientists
O could be compiled from that database found on the Genome Project site
O would need the identities and profiles of possible victims
which type of capillaries are found where a great deal of fluid transport between the blood and interstitial fluid occurs, such as the small intestine, the ciliary process of the eye, most endocrine glands, and the kidney?
A raindrop of almost pure water lands on a microbe. Which housekeeping strategy, activated by osmotic pressure, is used by microbes to reduce their internal solute concentration by letting solutes out? choose one: a. Mechanosensitive channels b. Aquaporins c. Diffusion of solutes across the membrane d. Exocytosis of solutes
A raindrop of almost pure water lands on a microbe. Mechanosensitive channels, activated by osmotic pressure, are used by microbes to reduce their internal solute concentration by letting solutes out.
In microorganisms, Mechanosensitive channels are very crucial as they play a significant role in different cellular functions. These channels are triggered by the difference in osmotic pressure in cells.
Different cellular functions performed by them include fluid homeostasis, transfer or expression of genetic information, cell adhesion, cell division, and migration.
Moreover, these channels also make a response to membrane tension by changing their conformation.
As these channels serve as a certain passage for different ions therefore they also activate various cells such as cochlear hair cells, sensory cells, and sensory neurons as a result of force applied to proteins.
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Scientists have carefully considered and rigorously tested the observations listed above. When scientists offer a _____ of these observations, they are making a _____
.
Answer:A scientific theory is a generally accepted, thoroughly tested and confirmed explanation for a set of observations or phenomena.
Explanation:
If you change your position over time, you are said to be in______________.
Answer:
Motion is the correct answer
The most nutritious, high-fiber carbohydrates are:______.
a. sugars.
b. added sugars.
c. sugar substitutes.
d. complex carbohydrates.
The most nutritious, high-fiber carbohydrates are d)complex carbohydrate.
Complex carbohydrate are considered to be more nutritious as compared to any other form of carbohydrate because they are packed with more nutrients like vitamins, minerals and fibers. They are also high in fiber which makes them more filling and are a good option for weight control.
Added sugar contribute to calories but no nutrients hence they are not nutritious.
The sugar substitutes are also not considered to be healthy but only cause weight gain and other diseases.
Sugar also contributes as a source of carbohydrates that provides energy but no nutrients.
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Lipids commonly contain fatty acids. What are the two parts of a fatty acids?