Arrange the events of the cell cycle in the correct order by assigning each a number, starting with interphase. _____ Chromosomes line up in the middle of the cell. _____ DNA is replicated. _____ The nuclear membrane reforms around the two sets of chromosomes. _____ Chromosomes are pulled apart. _____ DNA condenses and the nuclear membrane disappears
Answers
The correct order of events in the cell cycle is as follows:
1. DNA is replicated.
2. DNA condenses, and the nuclear membrane disappears.
3. Chromosomes line up in the middle of the cell.
4. Chromosomes are pulled apart.
5. The nuclear membrane reforms around the two sets of chromosomes.
The cell cycle is a series of events that occur in a eukaryotic cell, leading to its division and the production of two daughter cells. It consists of several distinct phases, including interphase and mitosis.
Interphase is the longest phase of the cell cycle and can be further divided into three stages: G1 phase, S phase, and G2 phase. During interphase, the cell grows, carries out normal metabolic activities, and replicates its DNA in the S phase.
Following interphase, the cell enters the mitotic phase, which includes several stages: prophase, metaphase, anaphase, and telophase.
During prophase, the DNA condenses into visible chromosomes, and the nuclear membrane disintegrates. The condensed chromosomes become more visible, and the mitotic spindle apparatus begins to form.
In metaphase, the chromosomes align along the equator of the cell, known as the metaphase plate. This alignment ensures that each daughter cell receives the correct number of chromosomes during cell division.
Anaphase is the stage where the sister chromatids, which are the replicated copies of each chromosome, are separated and pulled towards opposite poles of the cell by the spindle fibers.
Finally, during telophase, the nuclear membrane reforms around the separated sets of chromosomes, and the chromosomes begin to decondense. The cell then proceeds to undergo cytokinesis, the division of the cytoplasm, resulting in two daughter cells.
Therefore, the correct order of events in the cell cycle is: 2. DNA is replicated, 5. DNA condenses, and the nuclear membrane disappears, 3. Chromosomes line up in the middle of the cell, 4. Chromosomes are pulled apart, and 1. The nuclear membrane reforms around the two sets of chromosomes.
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Related Questions
if guanine replaces with cytosine in erd codon of gene 4, what will happen to the organism
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Which of the following are viruses unable to infect?
Answers
Answer:
non living things
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What citeria see ursortant when corpoinis took to ruest in a courtry? Select of that apphy Low colt of staring a ficen busirent Egaal ocperhurities for wored in touiress Munias docameriatish foe tase
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Corporations consider the ease of obtaining municipal documentation for taxes when they consider investing in a particular country.
When corporations intend to invest in a country, they consider several criteria. These include the low cost of starting a business, equal opportunities for employment, and favorable government policies. Let us see the various criteria that corporations consider when investing in a country:
Low cost of starting a business: When businesses seek to expand their reach, they want to do so at a low cost. Therefore, they seek out countries that offer a low-cost environment. This includes countries with low taxes, affordable energy, and other factors that reduce the cost of starting a business. Equal opportunities for employment: Businesses want to recruit and retain the best talent.
Therefore, they tend to invest in countries that provide equal opportunities for employment. Countries that have favorable hiring policies and do not discriminate against any segment of the population are more likely to attract foreign investment. Favorable government policies: Governments that promote foreign investment tend to attract more businesses.
Countries that offer tax incentives, subsidies, and other benefits to businesses that invest in the country tend to attract more foreign investment. Additionally, governments that have a favorable political climate tend to attract more foreign investment. Municipal documentation for taxes: Businesses must comply with local regulations and pay their fair share of taxes.
Therefore, corporations consider the ease of obtaining municipal documentation for taxes when they consider investing in a particular country.
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Evaluate the statement, “Humans are one of the most invasive species to occupy Earth.” Justify your response.
Answers
1. Ecology is the study of interactions among organisms.
Answers
Answer:
Ecology is the study of interactions between organisms and their surround- ings including other organisms. Organisms grow, multiply, occupy different regions, compete with others for resources, prey upon others, transform into different species etc. Many interesting questions can be asked of this broad canvass.
Explanation:
URGENT PLS HELP WILL MARK BRAINLIEST!!! - A biologist is examining some recently collected marine water under a microscope and notices some echinoderm gametes. She reasons that she had better study them closely now because it will probably be a while before water from the same region will once again contain such gametes. Why is her reasoning likely to be correct?
Answers
Answer:
Why is her reasoning likely to be correct??
Well, echinoderm gametes are only released during a short season of the year.
So, she is 100% correct when she reasons that she had better study them closely because it will probably be a while before water from the same region will once again contain such gametes.
Explanation:
Hope this helps!^^Achondroplasia is a form of human dwarfism. if two individuals with achondroplasia have children with the following ratio, 2 dwarf to 1 wild type, what is the means of inheritance of this phenotype?
Answers
Achondroplasia is an inherited conditions that impedes long bones growth resulting in dwarf phenotype. The mode of inheritance is complete dominance, expressing a phenotypic ratio = 3:1.
What is achondroplasia?
Achondroplasia is a congenic condition genetically determined. Individuals expressing this condition do not have normal bone development. They are short in height, with short extremities and macrocephaly.
A mutation in the gene FGFR-3 is responsible for this condition, affecting mainly long bone growth. Normal parents can have a dwarf son or daughter.
The inheritance pattern of this condition is complete dominance, meaning that an autosomal dominant allele is responsible for achondroplasia expression.
If two individuals with achondroplasia have at least one normal child it means that both parents are heterozygous for the trait, and both of them transmitted the recessive allele to the normal child. Let us see,
We will name,
A ⇒ dominant allele ⇒ codes for achondroplasiaa ⇒ recessive allele ⇒ codes for normal bone developmentCross: two individuals with achondroplasia
Parentals) Aa x Aa
Gametes) A a A a
Punnett square) A a
A AA Aa
a Aa aa
F1) 1/4 = 25% of the progeny is expected to be homozygous dominant AA and express achondroplasia
2/4 = 1/2 = 50% of the progeny is expected to be heterozygous Aa and express achondroplasia
1/4 = 25% of the progeny is expected to be homozygous recessive aa and express the normal phenotype (wild type).
The phentoypic ratio is 3:1.
Now let us talk about the ratios,
4 possible genotypes -------------------- 3 individuals among the progeny
3 dwarf genotypes ------------------------X = (3 x 3) / 4 = 2.25 ≅ 2
1 wild type genotype --------------------- X = (1 x 3) / 4 = 0.75 ≅ 1
The phenotypic ratio of the progeny approximates 3:1.
The phenotypic ratio of 3:1 is typical of complete dominance.
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Hurry brainlest What events occur during interphase ?
Answers
Answer:
The cell grows and makes a copy of its DNA
Explanation:
During the mitotic (M) phase, the cell separates its DNA into two sets and divides its cytoplasm, forming two new cells.
How are the ear and the eye alike? How are they different?
Answers
Answer:
SAME They are both senses/ DIFFRENT
and a ear can hear and eyes can see
Explanation:
Answer: hope this info help
Explanation: Eye vs Ear - What's the difference? is that eye is an organ through which animals see or eye can be a brood while ear is (countable) the organ of hearing, consisting of the pinna, auditory canal, eardrum, malleus, incus, stapes and cochlea or ear can be (countable) the fruiting body of a grain plant.
why is going 55mph a good thing?
Answers
Answer:
Congress imposed the 55-mph limit in 1974 as a fuel-conservation measure, which it is; federal officials estimate it conserves about 9 million gallons of gasoline a day. ... The best estimate is that it has helped save the lives of about 36,000 people in the last five years
Cranial parasympathetic outflow is contained in all of the following cranial nerves except theA) glossopharyngeal.B) vagus.C) facial. D) accessory.
Answers
Cranial parasympathetic outflow is contained in all of the following cranial nerves except the (D) accessory.
Cranial parasympathetic outflow refers to the transmission of parasympathetic signals from the brain to various parts of the body through certain cranial nerves. The parasympathetic nervous system is responsible for the "rest and digest" response, which helps the body to conserve energy and maintain homeostasis.
The cranial nerves involved in parasympathetic outflow include the glossopharyngeal (IX), vagus (X), and facial (VII) nerves. The glossopharyngeal nerve (A) innervates the parotid salivary glands, promoting saliva production. The vagus nerve (B) has the most extensive parasympathetic functions, controlling many organs like the heart, lungs, and gastrointestinal tract. The facial nerve (C) plays a role in regulating the secretion of tears, nasal mucus, and saliva from the submandibular and sublingual glands.
However, the accessory nerve (D) is not involved in parasympathetic outflow. The accessory nerve is a motor nerve that controls the movement of specific muscles in the head, neck, and shoulders, including the sternocleidomastoid and trapezius muscles. Therefore, the correct answer is the accessory nerve (D), as it does not contain cranial parasympathetic outflow.
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You have a plant that you want to show off at a party. The party happens during autumn (aka fall). Usually in autumn (aka fall) the leaves of your plant fall off. You want to delay the leaves falling off your plant until after the party. What plant hormone would you use to help keep the leaves on? ethylene O cytokinins O gibberellins auxin
Answers
Answer:
Auxins
Explanation:
Auxin is a plant hormone that has to do with both leaf and fruit fall.
A strand of DNA consists of 35% adenine. What is the percentage of thymine in that same
molecule of DNA?
PLEASE HELP ITS A TEST
Answers
Answer:
Explanation:
The percentage of adenine will equal the percentage of thymine, and the percentage of cytosine will equal the percentage of guanine. Together, these percentages will add to 100%. We know that the sample is 35% adenine, which tells us that it is also 35% thymine.
Answer:
The percentage of thymine would also be 35%.
Explanation:
Hope this helps
A lab group is developing a device to minimize the force on eggs dropped from a height of 2.0 meters. In their first test, they place four eggs in a small cardboard box and then wrap the box with a layer of plastic bubble wrap. When they open the box, the students find that all four eggs had cracked. At which height do the eggs have the most kinetic energy? 2.0 meters 1.5 meters 1 meter 0.5 meters
Answers
Mi tía me pisa se puede pisar a una niña
Answer:
1 through 1/5 meters I did 1/5 since it wasn't exact
Describe the difference in MPS (and hypertrophy) with overfeeding in an untrained/obese group compared to a group of trained individuals.
Answers
In an untrained/obese group, overfeeding can lead to an increase in muscle protein synthesis (MPS) and hypertrophy, but the response may be blunted compared to a group of trained individuals.
Trained individuals generally have a higher baseline level of MPS and muscle mass, which may limit the extent of MPS and hypertrophy in response to overfeeding.
In an untrained or obese group, overfeeding can provide an excess of nutrients, including protein, which can stimulate MPS and promote muscle hypertrophy. However, several factors may affect the response to overfeeding in this group. Untrained individuals may have lower baseline levels of MPS and muscle mass compared to trained individuals, which can limit the potential for substantial increases in MPS and hypertrophy.
Additionally, obesity is associated with metabolic dysregulation, such as insulin resistance and chronic inflammation, which can negatively impact muscle protein metabolism. These metabolic disturbances can impair the anabolic response to overfeeding and limit the extent of MPS and hypertrophy.
On the other hand, trained individuals who regularly engage in resistance exercise have already established a higher baseline level of MPS and muscle mass. Their muscles are more sensitive to the anabolic stimuli of overfeeding and may exhibit a greater response in terms of MPS and hypertrophy. Trained individuals also tend to have better metabolic health, which can further enhance the muscle protein synthesis response to overfeeding.
In summary, while both untrained/obese individuals and trained individuals may experience increases in MPS and hypertrophy with overfeeding, the response in the untrained/obese group may be blunted due to lower baseline levels of MPS, metabolic dysregulation, and impaired muscle protein metabolism. Trained individuals, with their higher baseline levels of MPS and muscle mass, may exhibit a more pronounced response to overfeeding in terms of MPS and hypertrophy.
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Mitosis is a form ofA. cell fertilization.B. cell division.C. cell specialization.D. cell differentiation.
Answers
Mitosis is a process by which the cell divides itself, creating two identical cells. Therefore, the correct answer is B. cell division.
B, mitosis is a form of cell division. Hope this helps! :)
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what might an engineer need to consider when designing a heating/cooling system for a home in a cooler climate?
How might the design differ for a house found in a warmer climate?
Answers
An engineer might need to use passive construction when designing a heating and cooling system for a home in cooler climate and hot climates.
The engineers should ensure that he constructs a passive housing system. Windows in the living room must face true south or within 30 degrees of it according to passive design.
Any way of heating or cooling a home that doesn't involve energy input from the occupants or a mechanical device is considered passive heating and cooling.
To use passive heating, all of your doors and windows must be absolutely airtight. You should have double-paned or triple-paned windows since badly built ones will allow the heat from the sun to just flow back out. The ability of the window to retain internal heat and keep out outside air improves with the number of layers of glass.
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Bacteria are helpful to humans in many ways, including all of the following EXCEPT which one?A) production of antibioticsB) production of soy sauceC) production of vitamins for the human bodyD) breakdown of raw sewageE) digestion of cellulose in the human intestine
Answers
Bacteria are helpful to humans in many ways, including all of the following EXCEPT digestion of cellulose in the human intestine. The correct option is (E).
Bacteria are incredibly diverse and play important roles in many aspects of human life. Bacteria are used in the production of antibiotics, food and beverages, and even in the treatment of wastewater. They are also important for the digestion of food in the human body and the production of essential vitamins, such as vitamin K.
While bacteria are involved in the digestion of some types of carbohydrates in the human intestine, such as lactose, they do not play a significant role in the digestion of cellulose. Instead, cellulose is broken down by enzymes produced by certain microorganisms, such as fungi and protozoa, in the digestive systems of ruminants like cows and sheep. Humans, on the other hand, lack the enzymes necessary to break down cellulose and cannot digest it as a source of energy.
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Suppose that a mutation in a coat color gene of a mouse alters an enzyme such that it produces a red pigment instead of the wild type, which is tan. This is a _____ mutation, which is most likely _______.
Answers
Answer:
The correct answer is - gain of function, and dominant.
Explanation:
A mutation in which the gene that altered carries out the production of the product that has a new pattern of gene expression or a new molecular function.
Function mutations are always gain by almost always Dominant or in some rare cases semi-dominant so, the mutation in a coat color gene of a mouse alters an enzyme such that it produces a red pigment instead of the wild type, which is tan. This is a gain of function mutation, which is most likely dominant.
The correct answer is - gain of function, and dominant.
changes that may take place in climates may be due to
Answers
Answer:
Explanation:
The cause of current climate change is largely human activity, like burning fossil fuels, like natural gas, oil, and coal. Burning these materials releases what are called greenhouse gases into Earth's atmosphere.
Which best describes the ecosystems on Earth?
A. Separate ecosystems can affect each other.
B. Earth has mostly rain forest ecosystems.
C. Ecosystems do not interact with each other.
D. There are very few types of ecosystems on Earth.
Answers
Answer:
A. Separate ecosystems can affect each other.
Explanation:
21. An offspring of two parents had an extra chromosome in its karyotype. The most likely cause of this condition would have
been (1 point)
A.a point mutation
B.translocation
C.nondisjunction
D.a nonsense mutation
Answers
The correct answer is option C. non-disjunction.
An aberrant number of chromosomes in all cells, known as aneuploidy, or in some cells, known as mosaicism, are caused by nondisjunction. Trisomy of autosomes, or chromosome 21, is the cause of Down's syndrome where an extra copy of chromosome 21 is present. A point mutation is a type of genetic modification in which only one nucleotide base from the DNA or RNA sequence of an organism is altered, added, or removed. Example, a single point mutation in the beta hemoglobin gene is the primary cause of sickle cell anemia. Hence, its incorrect. Translocation is a phenomena that causes chromosomes to reorganize themselves in an unexpected way. Hence, its incorrect. When a DNA sequence alteration results in a stop codon rather than a codon that specifies an amino acid, it is known as a nonsense mutation. A truncated protein that is probably useless is produced as a result of the new stop codon's existence. Its also incorrect.Hence, the correct answer is C. nondisjunction.
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Which series of energy transformations occurs as an electric generator
powers a lightbulb?
A. Light energy
Electrical energy
Kinetic energy
B. Kinetic energy
Electrical energy
Light energy
C. Electrical energy
Kinetic energy
Light energy
D. Kinetic energy
Light energy
Electrical energy
Answers
Answer:
I think the answer is option B, kinetic energy, electrical energy, light energy
Isn’t this physics
Explanation:
I hope it helped a little, please give me brainliest
Answer:
Kinetic ▶ electrical ▶ light
Explanation:
Just took the test
When ammonia is excreted by healthy kidneys, which mechanism usually is maintained?
Answers
When ammonia is excreted by healthy kidneys, acid-base balance of the body mechanism usually is maintained.
The bacteria in your intestines predominantly produce ammonia, also known as NH3, when they digest protein. Normally, ammonia is converted into urea, another waste product, in your liver throughout the processing process.
After reaching your kidneys, the urea is then removed through urine. Ammonium ions, which are ejected from the body, are created when excreted ammonia interacts with hydrogen ions in the glomerular filtrate. Mechanism keeps the acid-base balance by removing excess hydrogen from the body.
Therefore, when ammonia is excreted by healthy kidneys, acid-base balance of the body mechanism usually is maintained.
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Physical stressors to an ecosystem that are removed or corrected first in restoration projects typically include ______.
Answers
Answer:
water flow, vehicle traffic and pollutants
Explanation:
Classify these hypotheses about the ocean as falsifiable or non-falsifiable.
Limestone erodes faster than
basalt when exposed to
ocean salt water.
The rugged Panama coastline
offers a wonderful experience
for fishing enthusiasts.
Shallower tide pools support
more algae growth.
Warm ocean water is
more enjoyable to swim
in than cool ocean water.
Answers
Falsifiable: The shoreline of Panama gives a magnificent experience, and swimming in warm water is more delightful.
Non-falsifiable: Basalt erodes more slowly than limestone, and algae can develop in tide pools that are shallower.
Falsifiability is the capacity to show that a claim, assertion, theory, or hypothesis is false. The idea of falsifiability states that a scientific hypothesis can only be believed if it can be disproven. This implies that the theory must be able to be disproven by testing. The possibility of the hypothesis being disproved at a later point in time or location does not necessarily imply that it is faulty or inaccurate.
Those hypotheses that are intrinsically impossible to refute due to technical or subjective issues. Confidently stating that a thesis or hypothesis is true or untrue, even when the notion or hypothesis may not be able to be refuted by observation or the results of any physical experiment, is typically proof; non-falsifiability is non-falsifiability without strong or sound reasoning.
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Describe two effects that a change in the sequence of amino acids would have on a protein.
Answers
Intricate molecules make up proteins.
The way a protein folds up determines the distinct three-dimensional form that it has. It cannot do its task in the cell if it does not fold up into the proper shape. Amino acid linkages, which are dispersed along the protein molecule, are what give a protein its shape. The bond cannot form if the incorrect amino acid is present, preventing the protein from adopting the proper shape and performing its function. For instance, the illness sickle cell anemia is brought on by a single fatal error in the amino acid sequence of the hemoglobin molecule!
Proteins are made from chemical 'constructing blocks' called amino acids. Your body uses amino acids to construct and repair muscle mass and bones and to make hormones and enzymes.
They also can be used as an power source. you can without problems meet your day by day protein needs via following the Australian nutritional recommendations.
Proteins are big biomolecules and macromolecules that contain one or extra lengthy chains of amino acid residues.
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Based on your understanding of the process of photosynthesis, what are the strengths and weaknesses of this model?
Answers
Answer:
photosynthesis is the process of making food by plant in presence of sunlight and chlorophyll in necessary condition is called photosynthesis .
i think its strength are,
1. it converts the light energy, co2and water inthe form of glucose.
2. it manufactures oxygen during this process.
some weakness are,
1. if there is no sunlight then this process cannot be performed.
2. it may take a long time to do this process.
hope it helps uh..
Answer:
The model’s strength is that it clearly shows that the process is quite complicated and that it takes place in different parts of the chloroplasts. It also shows most of the major molecules produced. But it doesn’t show the major steps of the Calvin cycle, so that’s a weakness of the model. It also doesn’t clearly show the process of the electron transport chain.
Explanation:
plato answer.
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Although cellular respiration involves many steps, the whole process can be represented by a single equation.
A + B → C + D + E
Which substances would complete the equation that models the overall process of cellular respiration?
A:
ATP
B:
C:
D:
E:
Answers
Answer:
Glucose,energy , water , hydrogen
Which plant, shown in the cladogram below, shared a recent common ancestor with spikemosses and quilworths?
clubmosses
spikemosses
_quillworths
flowering plants
ferns
Spike mosses
a
Quillworts
Clubmosses
O Flowering plants
Answers
Answer:
clubmosses
Explanation: