Molecules other than the mrna present at the e site are trna molecules have just left the e site.
small rna molecule transfer rna, often known as trna, is essential for the production of proteins. The messenger RNA (mRNA) molecule and the expanding chain of amino acids that make up a protein are connected by transfer RNA, which is also known as an adapter. every time an amino acid is added to the chain, a particular trna mates with the corresponding sequence on the mrna molecule to make sure the correct amino acid is added to the protein being created. every time an amino acid is added to the chain, a particular trna mates with the corresponding sequence on the mrna molecule to make sure the correct amino acid is added to the protein being created.
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Taxol is an anticancer drug extracted from the pacific yew tree that binds to microtubules and prevents their depolymerization. Which phase of mitosis or cell division would be inhibited by treatment with taxol?.
The phase of mitosis that would be inhibited by treatment with Taxol is: metaphase.
Mitosis is the process of cell division that divides the cell into two daughter cells without affecting the genetic composition of the cells. Hence it is an equational division where the ploidy of the cells is not affected. Mitosis is accomplished in following four phases: prophase, metaphase, anaphase and telophase.
Metaphase is the second phase of mitosis where the chromosomes align at the center or the equator of the cell. This is also called the metaphasic plate. The chromosomes are also attached to the spindle fibers, which then pull them apart in the next phase which is anaphase.
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State two (2) human activities that alter the water cycle and explain HOW they affect this cycle.
By building dams to store water and by taking water for domestic, commercial, and agricultural uses, humans actively alter the dynamics of the water cycle.
What human activities affecting water cycle?There is a lot of evidence to suggest that human activity is the cause of local and global water cycle disturbances and alterations.
The damming of rivers for hydroelectricity, the use of water for farming, the clearing of forests, and the burning of fossil fuels are just a few human activities that can have an impact on the water cycle.
Therefore, human activities that alter the water cycle.
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Taxol is an anticancer drug extracted from the pacific yew tree that binds to microtubules and prevents their depolymerization. Which phase of mitosis or cell division would be inhibited by treatment with taxol?.
The actual mechanism of taxol is the disruption of microtubule shortening, which occurs during anaphase as the sister chromatids are pulled to opposite poles.
The division of the duplicated genetic material contained in a parent cell's nucleus into two identical daughter cells occurs during the fourth stage of mitosis, known as anaphase. The replicated chromosomes, known as sister chromatids, are aligned on the equatorial plane of the cell just prior to the onset of anaphase. Sister chromatids are made up of two identical DNA copies linked together at a location known as the centromere.
Every chromosomal pair splits into two identical, independent chromosomes during anaphase. The mitotic spindle, a component of the cell, divides the chromosomes. A chromosome is connected to one end of the mitotic spindle, which is made up of several long proteins called microtubules, and a cell pole to the other.
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How can you tell by looking at the magnetic field lines where
the field is the strongest?
Answer:
The density of field lines indicates the strength of the field.
Explanation:
The posterior axial muscle that crosses the glenohumeral joint is the __________.
The answer to this fill in blanks is latissimus dorsi. The latissimus dorsi is the posterior axial muscle that crosses the glenohumeral joint.
The latissimus dorsi muscle is a broad, flat muscle that dominates the lower posterior thorax. The primary function of the muscle is in the upper extremity, but it is also considered a respiratory accessory muscle.
The latissimus dorsi is most activated during pulling and throwing movements. The most common causes of shoulder blade pain are overuse, poor technique, or failing to warm up before exercising.
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Answer:
Explanation:The posterior axial muscle that crosses the glenohumeral joint is the Latissimus Dorsi
The latissimus dorsi muscle may be a broad, flat muscle that occupies the bulk of the lower posterior thorax. The muscle's primary function is within the upper extremity but is also considered to be a respiratory accessory muscle. Due to this muscle's broad attachment on the spinous processes, ongoing research is watching what, if any, role the muscle plays in trunk movement.
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in an animal cell, centrosomes resemble what part of a city?
Answer: A centrosome is a cellular structure involved in the process of cell division.
Missing: n city?
Explanation:
2. Explore how the different molecules interact with visible and infrared light. Do you find any patterns?
Greenhouse gases are the gases which interact with the visible and infrared light by absorbing the radiation which results into vibration of molecules and thus production of heat.
What are greenhouse gases?Greenhouse gases are carbon dioxide, methane, chlorofluorocarbons, nitrous oxides, and water vapor. Carbon dioxide has shown a warming effect helps to stabilize the atmosphere of Earth.
Molecules of carbon dioxide can absorb energy from infrared radiations from a photon. The energy from the absorption of photon causes the carbon dioxide molecule to vibrate.
When the molecules absorb infrared radiation there is an occurrence of transitions from a ground vibrational state to an excited vibrational state which causes gain of energy which is released later in the form of heat energy.
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Which is NOT a class in the Phylum Annelida?
A. Class Hexactinellida
B. Class Hirudinea
C. Class Polychaeta
D. Class Oligochaeta
Hexactinellida is not a class in the phyllum annelida , Hirudinea, polychaeta and oligochaeta are the classes of phylum annelida.
What is annelida and what are its classes?Annelida is the phylum of the animal world which includes segmented animals like worm, leeches, and many more.Annelida group is characterized by the presence of body cavity or coelom.Annelids have organ system level of organization and they respire through body surface.Annelida is the phylum Hirudinea, polychaeta, and oligochaeta , and hexactinellida is not a class of phylum annelida.Further annelida also have well developed circulatory and digestive system.To know more about annelida visit:
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Which term describes the rearranging of genetic material between nonhomologous chromosomes without a net loss or gain of genetic material?.
Translocation is the term that describes the rearrangement of genetic material between non-homologous chromosomes without a net loss or gain of genetic material.
Chromosome translocation is an abnormality of the chromosome that results from the rearranging of pieces on non-homologous chromosomes. When chromosomes break during meiosis and the resultant fragment is linked to another chromosome, translocations take place. It does not undergo any net loss or gain of genetic material during the process.
The exchanged sections are referred to as "translocated segments," and the reorganized chromosome is referred to as a "derivative." The translocation is balanced (i.e., neither gains nor losses of genetic material occur) and typically leads to normal development as long as there is no genetic material loss. Rarely, the breaks disconnect a gene from its regulatory element or occur within a gene, which may subsequently result in a phenotype.
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a volcano explodes and kills all but ten members of a population of primates. these ten continue to reproduce, but the allele frequency is now different from that of the original population. this is an example of , which is due to sampling error.
Some volcanic eruptions are explosive and others are not. The explosivity of an eruption depends at the composition of the magma.
If magma is thin and runny, gases can break out easily from it. whilst this type of magma erupts, it flows out of the volcano.
A very good example is the eruptions at Hawaii’s volcanoes. Lava flows hardly ever kill people because they pass slowly enough for people to get out of their way.
If magma is thick and sticky, gases can't escape easily. pressure builds up till the gases get away volcanoes and eruptions. an excellent instance is the eruption of Washington’s Mount St. Helens. on this form of eruption, the magma blasts into the air and breaks apart into portions referred to as eruptions
Tephra can range in length from tiny debris of ash to residence-length boulders.
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vernalization you are studying a winter-annual arabidopsis plants. you identify a strain with a mutation in the flc gene that renders it inactive. when do you expect this plant to flower?
The plant will never be able to flower.
What are annual Arabidopsis plants?
A plant is said to be annual if it completes all stages of its life cycle, from germination to the production of seeds, during a single growing season and then perishes when that season is over.
During the process of flower growth, from the vegetative to the reproductive phase, a number of genes, including SOC1, LFY, FLC, and others, play highly important roles. Which FLC gene is the repressor gene of SOC1 that result in the flowering of the plant, but after the cold treatment an additional gene called COLDAIR RNA in the process of vernalization represses FLC and causes flowering to occur. However, if COLDAIR RNA is unstable, it would be nonfunctional and the plant would never be able to flower because of this.
Hence, the plant will never be able to flower.
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We observe that an emission feature in a star is shifted by 2 nm from its actual emission at 450 nm. How fast is this star moving with respect to us? Put answer in units of km/sec but don't enter units. Round to the nearest hundredths place
We see a star's emission feature is 2 nm off from its actual emission at 450 nm. This star is traveling at a speed of 0.675×[tex]10^{8}[/tex] km/s relative to us.
As we define velocity as, v= Δh/h×C
Here c is the speed of light and the value of C is 3×[tex]10^{8}[/tex] m/sec.
(450× 3×[tex]10^{8}[/tex])/2
0.675 ×[tex]10^{8}[/tex]
Hence the rate of moving stare is 0.675 ×[tex]10^{8}[/tex] Km/s. and effect is known as the Doppler effect.
What is Doppler effect?It is the result of a moving wave source that causes its upward shift in frequency for viewers as the source moves toward them and a drop shift in frequencies as the source moves away from them. used to determine if an object in space is traveling away from or toward us.
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GIVING BRAINIEST FOR CORRECT ANSWER
In which two ways do plant cells use the sugar made in photosynthesis ?
• to produce phosphate groups
• to store inorganic matter
• to supply the plant with energy for life
• to make other types of organic molecules
The two ways in which plant cells use the sugar made in photosynthesis are to supply the plant with energy for life and to make other types of organic molecules. The correct options are c and d.
What is photosynthesis?Photosynthesis is a method that plants and other lifeforms use to transform light energy into chemical energy that can then be released to fuel the organism's activities via cellular respiration.
Plants use their leaves to trap light energy during photosynthesis. Plants use the sun's energy to convert water and carbon dioxide into glucose, a sugar.
Plants use glucose for energy and to make other substances such as cellulose and starch. Cellulose is used to construct cell walls.
Thus, c and d are the correct options.
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Are white blood cells larger than red blood cells
Monocytes(white blood cells) are the largest cells of the blood (averaging 15–18 μm in diameter), and they make up about 7 percent of the leukocytes.
What is a difference between systemic and pulmonary circulation?
A.
Systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.
B.
Systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs.
C.
Systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body.
D.
Systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body.
scharf, s. r., and gerhart, j. c. (1983). axis determination in eggs of xenopus laevist a critical period before first cleavage, identified by the common effects of cold, pressure, and ultraviolet irradiation. dev. biol. 99, 75-87.
Embryos show a reduction and loss of body axis structures when Xenopus laevis eggs are exposed to 1.0 degrees C for 4 minutes or 8000 psi for 5 minutes during a crucial phase before initial cleavage. The deficits develop in a dose-dependent craniocaudal progression.
In the extreme, radial symmetric, completely axis-deficient embryos are produced. The time between pronuclear contact and mitosis, which is roughly when the gray crescent forms, is when the maximum sensitivity to cold and pressure occurs. This time spans from around 0.4 to 0.8. These findings are interpreted as follows: The Xenopus laevis egg contents are reorganized during the 0.4–0.8 phase in a way that is crucial for the development of the embryonic body axis later on.
Cytoskeletal components are involved in the reorganization process; some of these components are D2O-protected and susceptible to UV, pressure, and cold. It is possible to understand rescue by oblique orientation as the outcome of a gravity-driven rearrangement of the egg's contents, replacing the impaired normal mechanochemical reaction in treated Xenopus laevis eggs.
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ater is considered hypoxic (lacking oxygen) if it contains 2 mg/l or less dissolved oxygen. think of the food chain that exists in the gulf of mexico: what are the types of organisms that likely live at the bottom of the gulf, where the water is most hypoxic? how can a lack of oxygen affect them? which cellular processes are affected by a lack of oxygen?
When cells are not given glucose and oxygen, necrosis, or cell death, takes place. The fact that cells can endure hypoxia is noteworthy. The intrinsic apoptotic pathway is activated by acute oxygen deprivation, and this results in a lowering of the mitochondrial membrane's potential, according to early study.
How is cellular respiration impacted by a lack of oxygen?When oxygenated blood is not given to cells, cellular membranes break down, causing anaerobic metabolism and a loss of adenosine triphosphate (ATP).
Since oxygen is needed for algae to break down, fish and other aquatic species have much less DO available to them, which has an adverse effect on their health and frequently results in fish death. Low DO in water is also brought on by the decomposition of aquatic plants and phytoplankton that are submerged.
Low oxygen levels in your bodily tissues are known as hypoxia.You may be at risk for hypoxia if you have one of several chronic heart and lung diseases. Hypoxia poses a serious risk to life.
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Scientists agree that the term biodiversity describes the number and kinds of species in a location on Earth. Scientists have also identified alternate measures of biodiversity, some of which are important for planning how to preserve biodiversity including genetic biodiversity as well as ecosystem biodiversity. Because all life is interconnected and because the biosphere exerts such an influence on our man's presence on Earth, it is so very important that biodiversity be preserved.
All the true statements are:
Undisturbed wild areas are important for all human recreation activities.Many plants produce secondary plant compounds that are used as medicines.Antibiotics are derived from bacteria and fungi.Maintaining the genetic biodiversity of wild species of our crops that are related to domesticated species ensures our continued food supply. Options A, C, D, and FThis is further explained below.
What is biodiversity?Generally, The range of living things, including plants, animals, fungi, and even microscopic creatures like bacteria, that are found in a certain place is referred to as that region's biodiversity.
In conclusion, Biodiversity is an essential component of our natural world.
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CQ
Scientists agree that the term biodiversity describes the number and kinds of species in a location on Earth. Scientists have also identified alternate measures of biodiversity, some of which are important for planning how to preserve biodiversity including genetic biodiversity as well as ecosystem biodiversity. Because all life is interconnected and because the biosphere exerts such an influence on our man's presence on Earth, it is so very important that biodiversity be preserved.
Why is biodiversity important to man? Check all the statements that are true.
A) Maintaining genetic biodiversity of wild species of our crops that are related to domesticated species ensures our continued food supply.
B) Most aesthetically pleasing landscapes are poor in the diversity of habitats and species.
C)Antibiotics are derived from bacteria and fungi.
D)Many plants produce secondary plant compounds that are used as medicines.
E)The ability to create new crop varieties relies on the unique properties of just one particular plant rather than a genetic diversity.
F)Undisturbed wild areas are important for all human recreation activities.
hydrogen is what gumdrop color
Answer:
red
Explanation:
gametes are blank cells
diploids
haploids
3. The pH of stomach acid is 2, why is this both good, but possibly destructive to our bodies?
2. Which describes the alveoli?
O They have very thick walls to contain the air that enters the lungs.
They work with the villi to exchange oxygen and carbon dioxide.
They provide a large amount of surface area for gas exchange.
They are structures responsible for the production of our voice.
Alveoli work with the villi to exchange oxygen and carbon dioxide .
Alveoli are the smallest structure in the respiratory system. They are organized in bunches all through the lungs at the finishes of the parts of your respiratory tree, which is the tree-like design of paths that carries air into the lungs.
The walls of the alveoli are extremely slender. This lets oxygen and CO2 pass effectively between the alveoli and vessels, which are tiny veins.
Oxygen can pass from the alveoli to the vessels on the grounds that the centralization of oxygen is lower in the vessels than in alveoli. Essentially, CO2 moves the alternate way in light of the fact that the centralization of carbon dioxide is lower in the alveoli than in the vessels.
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Which of the following examples illustrates an energy transfer between the atmosphere and hydrosphere?
A.
convection currents in the ocean mixing warmer and cooler water together
B.
plant roots absorbing water from the soil
C.
loss of heat from a geothermal vent to the surrounding cooler water
D.
polar ice reflecting the Sun's light back toward space
There are three layers called atmosphere, hydrosphere, and biosphere. The atmosphere is a layer of air. Polar ice reflecting the Sun's light toward space.
What are the atmosphere and hydrosphere?There are three layers called atmosphere, hydrosphere, and biosphere. The atmosphere is a layer of air. The hydrosphere is the layer of water. The biosphere is a layer of living organisms.
Polar ice reflects the sunlight. Polar ice will get melts when it will receive sunlight. Atmosphere is the layer around the earth made up of air. Hydrosphere is the layer of water only.
Therefore, There are three layers called atmosphere, hydrosphere, and biosphere. The atmosphere is a layer of air. Polar ice reflecting the Sun's light toward space.
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Can a flower be both perfect and incomplete?
Answer:
It is possible for a perfect flower to be incomplete, but it is not possible for an imperfect flower to be complete.
Explanation:
A flower with male and female parts is called a perfect flower. A flower that is missing male or female parts is an imperfect flower. Plants may have flowers that are complete or incomplete.
When some bacteria use lactose as a source of energy, they produce propionic acid and carbon dioxide. What is the name for this process?.
Fermentation is the process when some bacteria use lactose as a source of energy, they produce propionic acid and carbon dioxide.
What is fermentation?
Wine, beer, yogurt, and other goods are made through the process of fermentation. The chemical process that takes place during fermentation is seen below. A carbohydrate, such as starch or sugar, is transformed into an alcohol or an acid during the metabolic process of fermentation.
How is cellular respiration triggered by fermentation?Glycolysis is the starting point of any type of cellular respiration, and the final byproduct is pyruvic acid, a 3-C molecule. Fermentation is one of two main methods by which various cells deal with this pyruvate. Let's take a close look at anaerobic respiration, kinds of fermentation, and so forth.
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control measures for forest fires/ how do we prevent forest fires/ Preventive measures for forest fires?
We can prevent forest fires accomplished by constructing firebreaks in the form of tiny clearings or ditches in the forest.
There are several reasons why controlled burns are started. A planned burn can help stop a devastating wildfire by clearing a forest of dead leaves, tree limbs, and other debris. In addition to eliminating exotic species, controlled fires can lower insect populations. Fire also has a revitalizing effect. Typically, a fire will only continue to grow if there is a steady supply of fuel (dry vegetation) along its path. Because of this, the best strategy to contain a forest fire is to stop it from spreading.
Understanding wildfire threats caused by natural sources is essential for wildfire prevention. Foresters should take into account present and impending weather conditions and their hazard to forests while planning routine activities and considering how to stop a wildfire from developing. When it's too hot or windy, sparks from cars or equipment may ignite dry grass or leaves and spread over wide areas because of the wind, starting wildfires.
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The seafloor has some valuable minerals. Manganese nodules containing manganese, iron, copper, nickel, phosphate, and cobalt may be as small as a pea or as large as a basketball. Estimates are that there may be as much as 500 billion tons of nodules on the seafloor. The minerals in manganese nodules have many uses in the industrial world, but currently they are not being mined.
Why do you think these seafloor resources are not being mined? (Please write a complete sentence or two)
giving 50 points!
The ocean floor is home to a very large number of aquatic life which would be destroyed when we mine manganese nodules from the ocean floor.
What is the sea floor?Deep down in the ocean we have the sea floor which is the region that has a lot of organisms that tend to fasten to the rocks that are found beneath the sea. Organisms are all interconnected and these deep sea dwellers also a role to play in the sustenance of the entire aquatic habitat thus the area where they live must be preserved from damage.
Owing to the fact that the ecosystem does sustain itself, we have to look at the broader picture of the things that these organisms have to contribute to the overall maintenance of the sea ecosystem. For instance, the decomposers are found among these deep sea dwellers..
If we mine the minerals from the deep sea, we would destroy the ecosystem and the habitat at the bottom of the ocean or sea.
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During cellular respiration, four total atp are produced when pyruvic acid is created. What else is produced as a result of this reaction?.
Heat is also produced as a result of this reaction.
The process by which glucose is broken down to provide energy is known as glycolysis. It generates two pyruvate molecules, ATP, NADH, and water. There is no need for oxygen throughout the process, which occurs in the cytoplasm of a cell. Both aerobic and anaerobic creatures experience it.
Four ATP molecules (net = 2) are produced during glycolysis in addition to the pyruvic acid that is created.
However, glycolysis releases energy in the form of heat, much like all other catabolic reactions that involve the breakdown of big molecules.
Therefore, heat is also produced as a result of glycolytic reaction (cellular respiration).
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What percentage of offspring will carry the dominant trait?
25%
75%
100%
50%
0%
Answer:
100%
Explanation:
If you take a look at the Punnett Square, all offsprings carry the dominant trait (denoted by the capital A). Since all squares carry the dominant trait, there is a 100% carry of the dominant trait in the offsprings.
[tex]\left[\begin{array}{ccc}&A&a\\A&AA&Aa\\A&AA&Aa\end{array}\right][/tex]
~
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during bacterial cell division, the single cell is separated into two cells by… nucleosomes. spindle fibers. aneuploidy. centrosomes. pinching of the plasma membrane.
During bacterial cell division, the single cell is separated into two cells by pinching of the plasma membrane.
A bacterial cell divides by a process of mitosis referred to as binary fission. In the process. the components of the bacterial cell replicated themselves.
In the end, the cell membrane pinches from the center in order to make two new daughter cells. This pinching of the plasma membrane allows equal distribution of components in the two daughter cells.
As binary fission is a mitotic cell division, the daughter cells produced are exactly similar to the parent cell and have the same genetic material.
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