The mitochondria are an organelle found in the cytoplasm that is involved in the oxidative transformation of food into useful cellular energy.
function of mitochondria
Foods are degraded in part to release the energy from chemical bonds into the energy-dense complex adenosine triphosphate (ATP), which stores the chemical energy from food molecule breakdown and releases it to power other cellular functions.
What do the mitochondria mostly do?By using the energy created during the breakdown of the food we eat, oxidative phosphorylation—the traditional function of mitochondria—generates ATP. The majority of biochemical and physiological functions, including growth, mobility, and equilibrium, all require ATP as their main energy source.learn more about mitochondria here
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What does it mean
when a cell is in an
ISOTONIC solution
Answer:
There will be no net movement of water into or out of the cell, and the volume of the cell will be constant.
Explanation:
When a cell is immersed in an isotonic solution, there is no net movement of water into or out of the cell, and the volume of the cell remains constant. If the concentration of solutes outside the cell is the same as the concentration inside the cell and the solutes cannot enter the membrane, the solution is isotonic to the cell.
It means there will be no net flow of water going in or out of the cell.
biochemical safety of ablative yttrium-90 radioembolization for hepatocellular carcinoma as a function of percent liver treated
Biochemical safety of ablative yttrium-90 radioembolization for hepatocellular carcinoma as a function of percent liver treated "hepatocellular carcinoma".
Trans arterial radioembolization can serve as an ablative therapy for early-stage hepatocellular carcinoma (HCC). If the volumetric variability of liver segments, this studied then it aims to characterize the safety of ablative radioembolization by determining percent liver treated (%LT) thresholds associated with biochemical toxicity.
A radioactive element seems to be yttrium-90. In order to treat cancer, radiation treatment employs it.
Patients with ALBI 2 and CP-B liver function are less likely to have an increase in their respective grade/class when treating <14.5% of the liver using glass microspheres whereas ALBI 1 and CP-A patients showed no definitive %LT threshold for biochemical toxicity within the range of this study.
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3)lisa is working on a science project. her task is to answer the question: "does rogooti (which is a commercial hair product) affect the speed of hair growth". herfamily is willing to volunteer for the experiment. a)describe how lisa would perform this experiment. identify the control group, and the independentand dependentvariablesin your description.
In an experiment, the independent variable influences the dependent one. Independent variable: Hair product rogooti. Dependent variable: Speed of hair growth
What are the dependent and independent variables?
Before conducting an experiment, you need to define variables. Usually, there are several variables involved, and many of them can influence the results, so you need to discriminate the variables you are interested in from the ones you are not.
There is a variable that you, as a researcher, change to observe how these modifications affect the results. This is one of the variables you are interested in and is the INDEPENDET variable.
There is another variable that turns out to be affected by the change you provoked in the independent variable. You are also interested in this one because you want to know how it responds to these changes. This is the DEPENDENT variable because it will respond to any change in the independent one.
Finally, all the remaining variables that you are not really interested in, but might influence the results, need to be controlled so they do not affect your experiment. These variables are kept constant and equal in all the involved experimental and control groups. These are the CONTROLLED variables.
What are the control and the experimental group?You also need to define the groups you will be working with.
There is a group to which you will expose to the independent variable, this is, to the treatment. These individuals will be affected by the change you make in the independent variable. This is the EXPERIMENTAL group.
There is another group that should always be present. This group does not receive the treatment. It is significant because it can reflect any other variable affecting the experiment that you missed to consider. This is the CONTROL group.
In the exposed example,
We will assume Lisa's familymembers are her parents, a brother, and a sister.
Experiment duration: one month
She needs to test if this product affects the speed of hair growth so she will choose two groups: a control group and an experimental group.
The control group ⇒ father and sister ⇒ Usual product.The experimental group ⇒ mother and brother ⇒ Rogooti.
Every Monday at 8:00 for four weeks, Lisa will record the lengths of all the family members' hair.
Once the month is complete, she will analyze the results by comparing the recorded measures. This is how she will get to know if there was a difference between the control and the experimental group, and hence, if rogooti increases or not the speed of hair growth.
If the product works, the experimental group will show more centimeters of new hair in comparison with the control group.
Independent variable: Rogooti productDependent variable: Speed of hair growth
If it works, the new product will influence or affect the speed at which the hair grows.
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4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as blank, blank, and blank.
hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as Oak, teak and iroko.
Woods of the trees can be divided into hardwood and softwood depending on the hardness and compactness of the wood.
hardwoods are the trees that have hard and compact wood like oak, cherry, maple, teak, iroko, etc.
They are more durable, need low maintenance, more costlier as compared to the softwood. They have low sap contain and good resistance against fire.
The seed of hardwoods are covered with a coating which develops into fruits or shells. They are slow growers and mostly belong to angiosperm class.
Softwood are trees with soft wood mostly belonging to gymnosperm group.
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starting with one molecule of glucose, compare the amount of atp made in aerobic vs anaerobic respiration.
the answer highlighted i dont know if its wrong or not so please answer carefully
Answer:
It's correct your answer is D
The part of the zygote that ultimately grows into the embryo, rather than the support structures.
Embryoblast (Inner cell mass) is the part of the zygote that grows into the embryo.
The blastocyst, a formation that develops weeks after conception, contains the inner cell mass. In summary, a sperm cell first enters an egg cell. The first fertilized egg has now merged with the first sperm cell to form a zygote (a single diploid cell). The zygote then cleaves, resulting in the 16-celled morula structure. The morula keeps cleaving, finally forming a blastocyst with an external trophoblast layer and an internal cell mass. The embryo develops from the inner cell mass. Finally, the embryo is referred to as a fetus around 8 weeks after the initial egg cell was fertilized since it continues to generate new cells.
The bilaminar embryonic disc (germ disc) is a two-layered structure that develops from the embryoblast's inner cell mass. The development of a fetus is a cell division-driven process with several stages defined by unique structures formed as the beginning zygote progresses through several cleavage cycles.
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The area of the brain involved in production of speech is __________. a. broca’s area b. wernicke’s area c. the occipital lobe d. the parietal lobe please select the best answer from the choices provided a b c d
Answer: c
Explanation:
explain why capillary blood glucose tests, capillary cholesterol tests, and wic hematocrit testing be conducted under a clia certificate of waiver
Waived tests are those tests that are must be determined by the CDC or the FDA to be so simple that there is very little risk of error so that is capillary blood glucose tests, the capillary cholesterol tests, and the wic hematocrit testing be conducted as under a clia certificate of waiver
The Clinical Laboratory Improvements Amendments (CLIA) Program are regulates labs testing in human specimens and to ensures that they provide the accurate, reliable, and the timely patient test results no matter which where the test is being done. CLIA is Certificates of the Waivers are required for other laboratory and testing done in the schools. If staff is within the school, that are not associated with the local and public health department or the clinic, are performing testing (such as the health aide checking the blood glucose levels) then a CLIA certificate is needed by the school.
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The field that involves the study of cells and how they interact with other cells is termed.
The field that involves the study of cells and how they interact with other cells is termed Cell biology.
What kind of interactions occur between cells?Signals are sent and received by cells to communicate. Both environmental and cell-based signals are possible sources of information. These signals must cross the cell membrane in order to activate a response. On occasion, the signal itself can pass through the membrane.
Cell biology is the study of cell structure and function, and it revolves around the concept that the cell is fundamental unit of life.
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4. Newly modified proteins from the rough endoplasmic reticulum must be sent to the Golgi
appartus, where they are further sorted and sent to their proper destinations in the cell. How does
the rough ER send such proteins to the Golgi? How does this process "know" how to find the
Golgi membranes in the cell? Describe the process that is used.
johannes müller discovered that regardless of the nature of stimulation, visual nerves carry only visual information, auditory nerves carry only auditory information, etc. this discovery is known as the
Johannes Müller found that, irrespective of the type of stimulus, visual nerves only carry visual input, auditory nerves only carry auditory information, and so on. The rule of specific nerve is named after this discovery.
According to the law of specific nerve energies, an individual's mind can only access objects in the natural surroundings through the nerves. A philosophical belief has permeated psychology that individuals do not recognize the real world. Essentially, all individuals are blind to the actual world and may only have indirect experiences with it.
The difference in sensory experience is attributable to the various regions of the brain that those nerves stimulate. This is why, whether a person is poked in the eye or there are real light flashes, the eye can encounter flashes of light. The distinct sensations follow the same path to the same spot in the brain.
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a rapidly labeled rna fraction of the nucleolus has been isolated and partially characterized. this rna component appears to be a precursor of transfer rna
A rapidly labeled RNA fraction of the nucleolus has been isolated and partially characterized. This RNA component appears to be a precursor of transfer RNA.
It contains neither pseudouridine nor methylated bases, and is unable to form amino acyl RNA.
Therefore , it resembles transfer RNA in base composition and molecular weight also serves as a substrate for in vitro methylation to a greater extent than transfer RNA.
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What did William Penn hope that the Pennsylvania colony would offer to the
colonists?
A. A place to find gold
B. Better land for farming
C. Strict religious rules
D. Religious freedom and equality
The hope that William Penn had for the Pennsylvania colony was that there would be . Religious freedom and equality.
What was the hope of William Penn?The man called William Penn when the colony was created had several hopes for it. He had hoped that the colony would help people to have the religious freedom that they needed and that all of the people would be free and have equal opportunities with themselves while the colonists would have good dealings with the Indians that lived there as well.
The colony was known for several facts these were from the fact that it had low debts, it had the freedoms of religion and the people had peaceful coexistence with themselves and the Indian Americans.
Hence we would say that The hope that William Penn had for the Pennsylvania colony was that there would be . Religious freedom and equality.
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Answer:
The answer is
Explanation:
Got it right on
guys why is it important to know the three different type of rocks?? ( i need help please i have a 45 in this grade :(
Rocks are classified into the three different types for easy identification.
What are rocks?Rocks are rigid structures in geology which are made up of various minerals such mica, halite, and calcites.
There are various types of rocks which include the following:
Igneous rocks: These are the rocks that are formed when molten magma cools from a volcanic eruption. The commin types of igneous rocks include:felsic, intermediate, mafic, and ultramafic.Sedimentary rocks: These are the types of rocks formed from deposition of mineral or organic materials. The common types of sedimentary rocks include: breccia, conglomerate, sandstone, siltstone, and shale.Metamorphic rocks: These are the type of rocks formed when sedimentary or igneous rocks are being subjected to high pressure or high heat. The common types of metamorphic rocks include phyllite, schist, gneiss, quartzite and marble.The above classification is very important especially to geologists for easy identification of rock that are under study which can easily be differentiated through their various composition and texture.
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A bus starts from rest position gain the final velocity 240 m/s² and what will be its acceleration.
the relationship between accelerometer-measured sleep and next day ecological momentary assessment symptom report during sport-related concussion recovery
The following day's symptoms, particularly those that came on late and among CMF and emotional symptoms, were adversely correlated with sleep. The subacute stage of concussion recovery showed the highest correlation between sleep and symptom burden, suggesting the potential value of sleep intervention following injury.
How can the association between accelerometer-measured sleep and an ecological momentary assessment symptom the following day be discovered?
Ecological momentary assessments (EMAs) could help health organizations routinely track patient health outcomes and care experiences as a result of the growing usage of mobile technologies. In order to measure nightly sleep and complete the post-concussion symptom scales (PCSS) three times through mobile EMA, 17 athletes (47.1%F) between the ages of 12 and 19 years wore Actigraph GT3x+ devices. As a result, there were between 91 and 177 observations for each outcome. In generalized linear mixed models, the relationships between nighttime sleep and symptoms the following day and during recovery were evaluated using independent variables of sleep efficiency (SE%: ratio of waking time to sleep time) and total sleep time (TST).
Thus, In Week 1 and Week 2, respectively, total symptoms and afternoon symptoms, and total morning, afternoon, and night symptoms were all negatively correlated with sleep (ps = 0.001–0.021).
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the acquired pellicle forms on: group of answer choices restorations. exposed tooth surfaces. dental calculus. dental crowns. all of these are correct.
The acquired pellicle forms on all of the above mentioned that is on restorations, exposed tooth surfaces dental calculus and dental crowns.
A protein film known as the dental pellicle, also known as an acquired pellicle, develops on the surface of enamel, dentin, artificial crowns, and bridges as a result of the selective binding of salivary glycoproteins that stop the continuous deposition of salivary calcium phosphate. It develops quickly after brushing a tooth or after chewing. After consuming carbs, it shields teeth from the acids that oral microbes produce.
Plaque is a biofilm that forms over the enamel of the pellicle and is made up of numerous types of bacteria and their byproducts. If the plaque is not removed, the surrounding environment will become acidic after several days to weeks of plaque production.
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Redwood trees are among the tallest trees in the world, reaching more than 110 meters in height. Which property of water causes it to be transported up to the top of a redwood tree?.
Although Redwood trees are very tall, reaching 110 meters in height, water can still get to the top of the Redwood tree because of the following properties of water: cohesion and adhesion.
The water molecule is polar. This is because a water molecule has a partial positive charge on one side and a partial negative charge on another side. Thus, the partial negative side of one water molecule gets attracted to the partial positive side of another water molecule. This attraction is called hydrogen bond.
The hydrogen bond in water is responsible for most of the properties of water, including cohesion and adhesion. The polar water molecule is not only attracted to other water molecules, but it's also attracted to the molecules of other substances that are polar. The process whereby water molecules stick to one another is called cohesion, and the process whereby water molecules stick to other substances is called adhesion.
Redwood trees transport water using vessels called xylem. The walls of the xylem vessels are polar; hence, adhesion occurs on the walls of the vessel, while cohesion occurs between the water molecules in the xylem. This enables water to climb up the xylem vessels in the Redwood tree from the root all the way to the leaves. This process is also called capillary action.
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Answer:
B (cohesive behavior)
Explanation:
populations change over time by the process of select answer , which proceeds by the major mechanism of select answer
populations change over time by the process of Evolution , which proceeds by the major mechanism of natural selection
Evolution is phenomena of population in which the heritable characteristics of the organisms are changed over time through successive generation.
Evolution occurs because the environment is continuously changing and the organisms have to adapt themselves in the condition for survival.
One of the major process by which evolution occurs is natural selection. It is process in which the individual who are more adapted to the environment will be only selected by the nature and will be able to produce offsprings.
Other than natural selection, evolution can occur by genetic drift, mutation, etc.
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List and define all 4 of the Earths system
please help i need to submit it soon
How much force is required to make a 12kg object accelerate 0.5m/s/s?
Answer:
[tex] \large{ \boxed{ \tt{Answer : \tt \: 6N}}}[/tex]
Please see the attached picture for full solution!:)
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what is the role of the nervous system in digestion?(1 point)to provide passage of nutrients throughout the bodyto provide passage of nutrients throughout the bodyto provide electrical signals to initiate peristalsisto provide electrical signals to initiate peristalsisto provide oxygento provide oxygento provide enzymes
The role of the nervous system is to provide electrical signals to initiate the mechanism of peristalsis.
What is the nervous system?The nervous system is an organ system aimed at transmitting information as electrical signals and neurotransmission in order to control movements, behaviors as well as automatic responses.
The nervous system controls smooth muscles of the gastrointestinal tract by receiving input that fiction as a command center for the different components that integrate the digestive system.
In conclusion, the role of the nervous system during the process of digestion can be defined to provide electrical signals to initiate peristalsis.
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In the tca cycle, gtp or atp is produced during the conversion of ______________.
Answer: succinyl group to succinate
Which organism is able to cause an infection?
A
skin cell
B
white blood cell
C
bacteria
D
red blood cell
Answer:
Bacteria
Explanation:
Bacteria is the only one that causes an infection. The others do not.
Answer:
bacteria
Explanation:
Red blood cells transport oxygen to respiring cells
white blood cells protect the body against diseases
skin cell are basically just normal cells but bacteria causes infection and sickness
vacuolation in the human cerebral cortex and its relationship to the interval between death and autopsy and to synapse numbers: an electronmicroscopic study
The discussion of vacuolation in the human cerebral cortex and its relationship to the interval between death and autopsy and to synapse numbers: an electronmicroscopic study is written in the paragraph below-
Electron micrographs of material acquired up to 69 hours post-mortem from people with no known neurological abnormalities were used to evaluate vacuolation in the human cerebral cortex resulting from swelling of cell processes after death. Vacuolation was shown to considerably rise up to 30-35 hours after death before declining. The number of discernible synapses decreased significantly along with this alteration, which was likely caused by compression brought on by the vacuolation rather than post-mortem disintegration.
What is cerebral cortex?The outermost layer of the brain, known as the cerebral cortex, is responsible for our sharpest mental talents. Between 14 and 16 billion neurons can be found in the cerebral cortex, which is predominantly constituted of grey matter (neural tissue made of neurons).
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Which part of a cell synthesises proteins?
Answer:
Ribosomes are the sites in the cellsell in which protein synthesis takes place.
What structural property of dna gave watson and crick the idea that dna replication was likely to proceed via a semiconservative mechanism?.
The structural property of DNA that gave Watson and crick the idea that DNA replication was likely to proceed via a semiconservative mechanism is the The complementary nature of base pairing between the two strands.
The semi-conservative approach seems to be most likely based on the structure of DNA, in which each strand of DNA acts as a template to create a new, complimentary strand. because of this semi conservative base pairing the new strand is formed due to complimentary bases present on each strand.
Process of Semi conservative DNA replication:
The double helix splits into two single strands when the enzyme DNA helicase dissociates the hydrogen bonds holding the two polynucleotide DNA strands together.Then, every initial single strand serves as a model for a new strand. Through complementary base pairing, free-floating DNA nucleotides connect to the exposed bases on each original template strand.The enzyme DNA polymerase connects the nucleotides of the new strands. The sugar-phosphate backbone is created by this. The bases on the original and new strands create hydrogen bonds, and the strands twist to form the double helix.Semi-conservative replication is the process of replicating DNA by using one strand from the original DNA molecule and one new strand in each new DNA molecule.To learn more about DNA replication visit the link:
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choose the correct anwser
its multiple
Answer:
the answer is (B) (D) (E) :)
A _______ is a basic unit of hereditary information. It contains a specific segment of DNA that influences a particular trait or group of traits.
A.
nucleus
B.
gamete
C.
genome
D.
gene
[tex]{\huge{\red{\sf{D. \ GENE}}}}[/tex]
Answer:
D
Explanation:
my answer is thiswkwkwkwkwkwk