The statement that is true for the image of a replicated chromosome with respect to DNA replication is that Each chromatid has a daughter strand and a parental strand of DNA.
How the image of a replicated chromosome below relates to DNA replication:DNA replication is the process of producing two identical copies of DNA from one original DNA molecule. In DNA replication, a single DNA molecule serves as a template for the synthesis of two new, complementary strands of DNA.
Each daughter strand is identical to the parental strand from which it was synthesized, and each new DNA molecule consists of one parental strand and one newly synthesized strand. DNA replication is necessary for cell division to occur, because each new cell must receive a complete set of genetic instructions in the form of DNA. When the process of DNA replication is complete, the cell has two complete sets of genetic instructions in the form of identical chromosomes.A replicated chromosome is shown below:Image of a replicated chromosome showing each chromatid has a daughter strand and a parental strand of DNA is given below:
Each chromatid has a daughter strand and a parental strand of DNA, and together they make up an identical pair of sister chromatids. These chromatids are held together at a region called the centromere, and they are separated during cell division to ensure that each new cell receives a complete set of genetic instructions. Thus, the true statement is "Each chromatid has a daughter strand and a parental strand of DNA".
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Are The properties of the reactants in this investigation are the same as the properties of the products
Answer:
Compounds usually have very different properties than the individual elements that make up the compound.
Explanation:
Because the reactants and products of the investigation are unknown, properties can't be determined so I can't really help much.
Part B
Which principles did you use to determine the order of the layers in question 1, part A?
The correct sequence for the formation of the features from oldest to newest is layer 4, layer 3, layer 2, layer 5, and layer 1.
According to the relative ages of the layers, layer 4 is the oldest, followed by layers 3, 2, 5, and 1, while layer 3 is the second oldest. Depending on the situation and the information at hand.
What principle tells you that layers 1 through 5 have been changed?According to the superposition principle, the oldest rocks are at the bottom and the youngest are at the top of a succession of undisturbed rock strata. Sedimentary rocks are often deposited in horizontal layers, according to the idea of original horizontality.
What is the proper chronological order of the rock layers, starting with the oldest?Cambrian, Ordovician, Silurian, Devonian, Carboniferous (Mississippi and Pennsylvanian), Permian, Triassic, Jurassic, Cretaceous, Tertiary, and Quaternary are the strata in chronological order. The type of rock in which fossils are most likely to form is a sedimentary rock.
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identify an independent variable in the experiment graphed in figure 1. based on the data in figure 1, identify a control that shows that sepin-1 rather than something else in the culture medium is inhibiting that growth of the cancer cells
Answer:
Explanation:
This question is incomplete because of the absence of the graph. However, the independent variable of an experiment is the variable that is not affected by any other variable during the course of the experiment but is however intentionally or unintentionally predetermined by the researcher conducting the experiment. For example, in an experiment to determine the effect of age on blood pressure; age is the independent variable because the age class/groups of the individuals to be used can be determined by the researcher also the age cannot be affected by the pressure (the age of a person cannot change because of an increase/decrease in blood pressure).
Also, the control of an experiment is the variable/data in which other data in the same experiment are compared to. For example, in an experiment to determine the effect of a substance (such as sepin-1) on the growth of cancer cells (using a culture medium), the control can be the culture medium that was not given any substance or the culture medium that was given a pure substance of no effect like water. This means, in this control culture medium, the cancer cells will continue to grow normally while that growth will be compared with what is seen in the culture medium treated with sepin-1.
Explain why the Visking tubing must be washed before it is placed into the boiling tubes.
Answer:
To release harmful bacteria
If the sugar concentration in a cell is 4% and the concentration in a cell’s environment is 2%, how can the cell obtain more sugar?
For a cell to obtain more sugar the cell must use active transport to pump the sugar inside it .
Active transport is the movement of molecules across a cell membrane from a region of lower concentration to a region of higher concentration which occur against the concentration gradient . So , it requires cellular energy to achieve this action.
Main function of active transport is involves the movement of molecules from a region of lower concentration to a region of higher concentration with help of energy in form of ATP. examples of active transport include the absorption of glucose in the intestine of the human body and the uptake of minerals or ions into the root hair cells of plants.
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What makes an organisms genome the best source of data for creating a cladogram
Answer:
Explanation:
Cladogram is a diagram used to explain the evolutionary relationship between organisms.
It is based on the DNA of different species of animals that is involved.
To study the features or characteristics of organism involved, the data of the organism’s genome is used this is because it provides the required information needed to draw a cladogram effectively.
Cladistics uses characteristics shared among the organisms to establish relationship between them. This is used to proof shared ancestry.
farmers need to make many decisions about how they grow their crops. one of these decisions is whether to use synthetic fertilizer or organic fertilizer, such as manure. t or f
Farmers need to make many decisions about how they grow their crops. one of these decisions is whether to use synthetic fertilizer or organic fertilizer, such as manure is true.
Organic fertilizers are readily available mineral sources that have a sufficient concentration of vital minerals for plants. They have the ability to reduce issues brought on by synthetic fertilizers. They reduce the requirement for recurrent synthetic fertilizer applications to maintain soil fertility. They maintain nutrient balance for the proper growth of agricultural plants and gradually release nutrients into the soil solution.
In comparison to chemical fertilizers, the organic fertilizers are safer. However, using organic fertilizers incorrectly might result in over fertilization or nutrient deficiencies in the soil. Therefore, the regulated release of organic fertilizers is a cutting-edge and efficient technique to mitigate these effects and keep the output of sustainable agriculture.
The usage of organic fertilizers offers the advantages of being affordable, enhancing soil texture, aeration, structure, and water retention while also promoting the growth of healthy roots. Minerals, animal sources, sewage sludge, and plants are just a few of the sources for organic fertilizer.
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Describe movement of molecules to maintain a healthy cell environment. Explain in details
Answer:
Very necessary for its survival.
Explanation:
Movement of molecules is very important to maintain a healthy cell environment because some molecules are required by the cell for its growth and development. Some molecules moves inside the cell environment through a semi-permeable membrane such as glucose, oxygen, potassium etc while on the other hand, some molecules are removed from the cell which are waste materials such as carbondioxide etc. If these waste materials are not removed from the cell, it greatly damaged the cell.
In about half of the drivers who experience microsleep, there are no warning signs. Be attentive to the warnings that your body may give when you are about to fall asleep. Those warnings and symptoms include:
Answer:
-Symptoms associated with this condition include:
not responding to information
a blank stare
dropping your head
unable to remember the last one or two minutes
slow blinking
- Warning signs of an episode of microsleep include:
an inability to keep eyes open
excessive yawning
constantly blinking to stay awake
Explanation:
A closed ecosystem made by humans is called…
Answer: A closed ecological system for an entire planet is called an ecosphere.
Explanation: A closed ecological system for an entire planet is called an ecosphere. Man-made closed ecological systems which were created to sustain human life include Biosphere 2, MELiSSA, and the BIOS-1, BIOS-2, and BIOS-3 projects.
Answer:
An Ecosphere- according to the internet
In an experiment that compares a combination mental-physical practice condition to an all-mental practice condition, an all-physical practice condition, and a no practice condition, the typical results show that participants in the combination mental-physical practice condition would learn the skill
a. as well as or better than those in the all-physical practice condition.
b. about as well as those in the all-mental practice condition.
c. about as well as those in the no practice condition.
d. The results would depend on the combination of the amount of mental and physical practice.
The combination mental-physical practice condition is effective to learn the skill as well as or better than those in the all-physical practice condition. Mental-physical practice enhances both cognitive and physical skills.
Mental practice, also known as mental/skill rehearsal, refers to the cognitive (i.e., thinking) rehearsal of a given skill prior to its execution.
It has been shown that mental practice can be effective for enhancing the performance of both cognitive and physical skills.
The mental-physical practice has been shown to be helpful to enhance self-motivation, confidence, and reduce feelings of anxiety.
Mental practices always must be employed to supplement physical practices instead of replacing such physical exercises.
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3) In order for an ecosystem to thrive, it needs to exist in a form of harmony and balance between its biotic and abiotic factors. Describe how small changes to both biotic and abiotic components can have major effects on an ecosystem.
Answer:
Changing temperature causes extinction or removal of organism from that place.
Explanation:
Small changes to both biotic and abiotic components can have major effects on an ecosystem because these are the factors on which the ecosystem depends. For example, if the temperature of the ecosystem increases from its limit, it makes the environment unfavourable for the organism so due to this change, the organism migrated to other location otherwise they will die due to unfavourable environment.
what happens when the immune system reacts to a food allergy? a. the allergens are broken down and deactivated by stomach acids. b. immunoglobulin e is produced and circulates in the blood. c. mast cells release antihistamines to counter the histamines. d. mast cells absorb and remove the offending food allergen from the bloodstream. e. the immune system develops tolerance after multiple exposures to the food allergen.
Immunoglobulin E is produced and circulates in the blood when the immune system reacts to a food allergy .
What is the relation between immune system and food allergy?By creating specialized proteins called antibodies, the immune system defends the body.
Antibodies recognize possible dangers to your body, such as viruses and bacteria. They instruct your immune system to release substances that will kill the danger and stop the infection from spreading.
Immunoglobulin E (IgE), a type of antibody, misinterprets a specific food protein as a danger in the most prevalent type of food allergy. The most significant molecule released as a result of IgE is histamine.
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single celled organisms with cell walls but no nuclei are
Single-celled organisms with cell walls but no nuclei are called prokaryotes. Prokaryotes are a group of organisms that include bacteria and archaea. They are characterized by the absence of a membrane-bound nucleus and other membrane-bound organelles within their cells.
In prokaryotic cells, the genetic material, typically in the form of a circular DNA molecule, is present in a region called the nucleoid. However, there is no nuclear membrane separating the genetic material from the rest of the cellular components.
The cell wall in prokaryotes serves as a protective outer layer that helps maintain the cell's shape and provides structural support. The composition of the cell wall can vary depending on the specific type of prokaryote, with bacterial cell walls typically containing peptidoglycan, while archaeal cell walls have different chemical compositions.
Prokaryotes exhibit a wide range of metabolic capabilities and can be found in various habitats, including soil, water, and the bodies of plants and animals. They play essential roles in ecosystems as decomposers, nutrient recyclers, and in some cases, as pathogens.
In contrast to prokaryotes, eukaryotes are organisms with cells that have a true nucleus enclosed within a nuclear membrane and contain membrane-bound organelles. Eukaryotes include protists, fungi, plants, and animals.
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The decay of atoms is a source of internal energy for the Earth because _______ is produced in the decay process.
Answer:
The correct answer is - heat.
Explanation:
Earth has two energy sources internal and external energy. The external energy comes from mainly the sun while the internal energy comes from two major sources gravitation energy of the earth and the radioactive decay of atoms.
The earth's process of decaying atoms is an internal energy source that is provided by the producing heat by the disintegration of natural atoms inside the earth.
After a six sigma team reached the improve phase of the dmaic cycle, it was clear that a full redesign of the part was the right path to take. from then on, the dmaic project became a dfss project. which control phase should be used for the newly redesigned part
The Control Phase of the DFSS (Design for Six Sigma) methodology should be used for the newly redesigned part.
This phase ensures that the improved process or product is sustained and continuously monitored for any issues. The goal of this phase is to ensure that the process or product meets customer requirements consistently and efficiently. During the Control Phase, the team sets up a monitoring plan, establishes control limits, and puts in place corrective action plans if any deviations occur. The project team should continue to monitor the newly redesigned part to ensure that it remains in control and meets the customer's needs. When a Six Sigma team transitions from a DMAIC project to a DFSS (Design for Six Sigma) project, the control phase to use for the newly redesigned part is the DFSS control phase. This phase focuses on ensuring that the redesigned part meets the desired specifications and performance standards. It involves monitoring, assessing, and maintaining control over the new design to prevent potential issues and ensure that improvements are sustained. In DFSS control phase, control plans, documentation, and training are implemented to ensure the ongoing success of the redesigned part.
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a bacterial gene (gene a) ordinarily makes a protein that binds to dna. a mutation of gene a causes an increase in the expression of gene b. we can conclude that
The conclusion of a bacterial gene (gene A) ordinarily makes a protein that binds to DNA and a mutation of gene A causes an increase in the expression of gene B that the protein created by gene A plays a role in repressing gene B expression.
There are several regulatory proteins that can bind to DNA and control gene expression. Gene A creates a protein that binds to DNA in this scenario. However, when gene A is mutated, its protein no longer binds properly, resulting in an increase in the expression of gene B. Therefore, it can be deduced that the protein produced by gene a represses gene b expression. This protein is involved in transcriptional regulation and may function as a transcriptional repressor.
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Human resource strategy includes the decision areas of
Human resource strategy includes the decision areas of recruitment and selection, training and development, compensation and benefits, performance appraisal, and labor relations.
What is human resource strategy?The human resource strategy is an organization's comprehensive plan that outlines how the organization's human capital can be managed to meet the business objectives. It is a strategy that entails the comprehensive planning, coordination, and implementation of human resources programs and processes.
Human resource strategy includes the decision areas of recruitment and selection, training and development, compensation and benefits, performance appraisal, and labor relations.
1. Recruitment and selection: This decision area is concerned with attracting, selecting, and hiring qualified individuals who can contribute to the company's success.
2. Training and development: This decision area is concerned with improving the skills, knowledge, and abilities of employees to perform their jobs effectively.
3. Compensation and benefits: This decision area is concerned with developing a compensation system that motivates employees to perform well and provides them with a fair and equitable reward for their efforts.
4. Performance appraisal: This decision area is concerned with evaluating employee performance, providing feedback, and making decisions about promotions, transfers, and terminations.
5. Labor relations: This decision area is concerned with managing the relationship between the company and its employees, including collective bargaining, grievance procedures, and dispute resolution.
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(Really need help asap)
How can we, as a society of consumers, help fish stay a renewable resource?
A. Ban all fishing
B. All become vegan
C. Buy fish raised in fish farms
D. Buy aquariums
Answer:
Fish go brrrrrrrrrr
Explanation: The answer is C so we can refill the fish supply without directly harming the fish in the ocean
Answer:
I just took the test its C. Buy fish raised in fish farms.
Explanation:
1. Which of the following is an example of sensitization:
You blink each time your eye doctor gives you a puff of air in your eyes.
A dog was hit by his previous owner, and now the dog cowers each time his new owner reaches out to pet him.
You no longer feel your shirt touching your skin.
You're walking on the sidewalk and a bicyclist almost hits you, so you jump out of the way.
The example of sensitization from the given alternatives is that 'A dog was hit by his previous owner, and now the dog cowers each time his new owner reaches out to pet him.'
Sensitization refers to the process in which an organism becomes more sensitive to stimuli, both good and bad. It happens when the body's nervous system becomes oversensitized to a particular stimulus that it begins to respond even to weaker or non-threatening stimuli.
The example given in the first option refers to a simple reflex action that occurs in response to the puff of air that is blown into the eyes during the eye examination. The third option is about sensory adaptation, which occurs when sensory receptors are exposed to stimuli for an extended period, resulting in a reduction in sensitivity. The fourth option refers to the fight or flight response that occurs as a result of a threatening stimulus, in which an individual's body prepares to confront or flee from danger.
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Circle the correct answer. Suppose there is a population of elephant seals with one sexually dominant bull (male seal). All other male seals seldom if ever get the opportunity to mate. The population of seals is stable and neither grows nor shrinks. (Part A) The bull's Darwinian fitness is probably a.) >1 b.) =1 C.) <1 (Part B) The other male seals' Darwinian fitnesses probably average: a.) >1 b.) =1 c.) <1 (Part C) The average Darwinian fitness of the individuals in the entire population is probably a. )>1 b.) =1 C. )<1
Part A: The bull's Darwinian fitness is probably (a.) >1
Part B: The other male seals' Darwinian fitnesses are probably average: (c.) <1
Part C: The average Darwinian fitness of the individuals in the entire population is probably (b.) =1
Part A: Darwinian fitness is defined as the contribution of an individual to the gene pool of the following generation relative to the average for the population, as a result of the selection pressures. An organism with a high fitness level is more likely to survive and reproduce than an organism with a lower fitness level. In the elephant seal population, the sexually dominant bull has the highest Darwinian fitness since it has a greater likelihood of passing on its genes.
Part B: Since other male seals do not get the opportunity to mate, their fitness levels are relatively low, which suggests that their Darwinian fitness level is below average.
Part C: The average Darwinian fitness level of the population is 1 in a stable population that neither grows nor shrinks. This suggests that the rate of the organism's population with a higher fitness level is similar to that of the population with a lower fitness level.
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Which statement is supported by the student's observations?
O The cell wall becomes permeable in an aqueous environment.
O The cell wall allows only water to be transported in and out of cells.
O The cell membrane restricts the movement of substances into the cell.
O The cell membrane allows the selective transport of substances in and out of cells
Answer: The cell membrane allows the selective transport of substances in and out of cells
Explanation:
A patient presents with memory loss and partial paralysis. There is a syndrome with these symptoms. Metabolically speaking, what is the cause of this? The malfunctioning enzyme has lost affinity for a cofactor. The malfunctioning enzyme has lost affinity for its substrate. The malfunctioning enzyme is absent from the patient. The malfunctioning enzyme has gained affinity for its substrate
The cause of memory loss and partial paralysis is likely due to a syndrome. Metabolically speaking, the cause is likely that the malfunctioning enzyme has lost affinity for a cofactor. The correct answer is option a.
This can result in a decrease in the enzyme's activity, which can have detrimental effects on various metabolic pathways.
The other options presented in the question are not likely to be the cause of the syndrome.
If the enzyme has lost affinity for its substrate, it may have a decreased ability to convert the substrate to the product. However, this would not necessarily lead to the given symptoms.
If the enzyme is absent from the patient, it would result in a complete loss of activity for the enzyme, which may have more severe effects than the given symptoms. If the enzyme has gained affinity for its substrate, it may result in an increase in activity.
However, this is unlikely to be the cause of the given symptoms.
The correct answer is option a.
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Complete question
A patient presents with memory loss and partial paralysis. There is a syndrome with these symptoms. Metabolically speaking, what is the cause of this?
a. The malfunctioning enzyme has lost affinity for a cofactor.
b. The malfunctioning enzyme has lost affinity for its substrate.
c. The malfunctioning enzyme is absent from the patient.
d. The malfunctioning enzyme has gained affinity for its substrate
A griffin is a mythical creature that appears in many stories. It has the head of an eagle and the body of a lion. What role, if any, could the griffin have in the science of biology? A. The griffin could be the subject of an investigation of animals. B. The griffin could be cited as evidence to evaluate a hypothesis or theory. C. The griffin could be used to test new ideas about animal structures or behaviors. D. The griffin has no role in biology, because it is not real.
Answer:
d is the corect answere.
Explanation:
What will be the outcome of the following cross in terms of normal and petite spore ratios? Cross: a segregational (nuclear) petite against a segregational (nuclear) petite, the two strains having mutations in different, unlinked, genes. A. half petite, half normal B. 3 parts petite, 1 part normal C. 3 parts normal, 1 part petite D. all petite E. 9 parts normal, 7 parts petite
A cross between two segregated petites would result in all petite offspring in the second generation. All petites, option (d), is the right answer.
In yeast, extranuclear inheritance is seen in the small mutants. The kind of small in yeast affects the inheritance pattern, which is quite diverse.
The segregational petite, which is one of three kinds of petites, is produced by nuclear mutations and displays Mendelian inheritance (1:1 segregation).
In the f1 generation, a cross between two haploid segregational petites would result in a diploid segregational petite. Additionally, all petites are produced during meiosis in the diploid segregations petites.
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What happens during fermentation?
in an mri, increasing the magnetic field... produces less susceptibility artifacts reduces the risk of tissue heating increase the signal to noise reduces the danger from metallic projectiles
In an MRI, increasing the magnetic field can have several effects on the imaging process. One of the positive effects is that it can increase the signal-to-noise ratio, which can help to produce clearer and more detailed images. This can be particularly important when trying to visualize small or subtle differences in tissue structure or function.
However, increasing the magnetic field can also have some potential risks and limitations. For example, it can increase the risk of tissue heating, which can be particularly problematic for patients with certain medical conditions or implanted devices. Additionally, higher magnetic fields can also increase the susceptibility of the imaging system to artifacts caused by metallic objects or other sources of electromagnetic interference.
Overall, the optimal magnetic field strength for an MRI will depend on a range of factors, including the specific imaging needs of the patient, the available imaging technology, and the potential risks and benefits of using higher field strengths. As such, it is important for healthcare providers and patients alike to carefully consider these factors when making decisions about MRI imaging.
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Explain the role that hooved animals, such as cows, play in regenerative farming.
Answer:
I hope this helps
Explanation:
As animals move, their hooves break up the soil, compacting inedible plants and allowing nutrients and sunlight to new plants—essentially speeding up the building of soil organic matter, with crushed leaves and stalks creating a natural mulch. This better equips the soil for germinating seeds.
Out of 10 people infected with the West Nile virus, how many will develop symptoms?
Answer:
8/10 do NOT, so that means 2/10 DO develop symptoms.
Explanation:
pls mark brainliest.
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Answer: Hiwydksmsjsjsmskakajsjsksksjsh
Explanation:
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