Embryonic stem cells-Can evolve into any type of tissue and can be used to repair or replace damaged tissue
Induced pluripotent stem cells (iPSC)-Can evolve into any type of tissue and can be used to repair or replace damaged tissue
Embryonic stem cells are cells that exist in the early stages of animal and human development. Their ability to differentiate into any cell type in the body makes them a promising tool for regenerative medicine and tissue repair.
Induced pluripotent stem cells (iPSCs) are a type of stem cell generated by reprogramming mature cells from an individual's body. Skin cells are generated in an embryonic stem cell-like state. Like embryonic stem cells, iPSCs have the ability to differentiate into any type of cell in the body and can be used to repair or replace damaged tissue.
Both embryonic stem cells and iPSCs have potential uses in a variety of medical applications, including repairing or replacing damaged tissue, developing new drugs and treatments, and studying diseases and conditions at the cellular level. However, the use of these cells in research and therapy is still an area of active investigation and further research is needed to fully understand their potential and limitations.
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6 a) Where does the energy for diffusion come from?
Answer:
I think it comes from ATP
An atom with 3 electrons in its outermost (valence) shell may have a total of ----- electrons altogether.
A. 13
B.3
C.8
D.17
Based on electronic configuration, the possible number of total electrons in atom with three electrons in its valence shell is 13, option A.
What is the possible number of total electrons in atom with three electrons in its valence shell?The arrangement of electrons in an atom is known as electronic configuration.
Based on electronic configuration;
the first shell can contain two electronsthe second shell can contain 8 electronsthe next shell can contain 18Thus, if we removes the first ten electrons, from each option, The one that has 3 valence electrons is option A, 13.
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Order the life cycle of very high-mass stars Nebula , protostar, red supergiant, supernova, average star and black hole ?
Consider the diagram.
Which process is represented?
deletion
nondisjunction
translocation
insertion
Translocation is represented in this process.
What do you mean by translocation?Translocation is a genetic change in which a piece of one chromosome breaks off and attaches to another chromosome.
Translocation involves a complicated set of structural changes, including pyrophosphate release, the opening transition of the polymerase, and the translation/rotation of the DNA.
The result of DNA replication is two DNA molecules consisting of one new and one old chain of nucleotides.
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4. Passive transport is called passive because it occurs WITHOUTO a. the cell wallO b. energyO c. the cell membraned. light
It is called 'Passive" because it does not require ENERGY
The answer is b. energy
where does the calvin cycle occur? a structure of a chloroplast. letters from a to e indicate definite structures. letter a indicates the outer envelope of the chloroplast. letter b indicates the inner envelope of the chloroplast. letter c marks a column that consists of flattened oval structures. letter d marks one flattened oval structure. letter e indicates the substance surrounded by the inner chloroplast membrane. where does the calvin cycle occur? a structure of a chloroplast. letters from a to e indicate definite structures. letter a indicates the outer envelope of the chloroplast. letter b indicates the inner envelope of the chloroplast. letter c marks a column that consists of flattened oval structures. letter d marks one flattened oval structure. letter e indicates the substance surrounded by the inner chloroplast membrane. b e a c d
the calvin cycle happens Calvin cycle reactions occur in the stroma as opposed to the light reactions, that occur in the thylakoid membrane.
The stroma of cancer?Historically, the structural components holding tumor tissues together have been regarded as the tumor stroma. The non-cancer cell and non-immune cellular components of tumors are how it is generally defined.
Describe the stroma in a chloroplast.A sizeable region enclosed by the inner membrane is the stroma, which resembles the mitochondrial matrix and contains a number of metabolic enzymes. Similar to the mitochondrion, the chloroplast has its own genome and genetic system. Therefore, in addition to a DNA & ribosomes of a chloroplasts, this same stroma also has its own set of RNAs.
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Which of the following is an example of ocean organisms playing an important role in the cycling of matter, which benefits humans?
All living organisms require the chemical element carbon, which is also found in many non-living substances.
What is Carbon Cycle?The carbon cycle is the process by which carbon moves back and forth across the globe. There are numerous processes that transfer carbon into and out of the storage as various cycle components store carbon for varying amounts of time.
In the carbon cycle, carbon flows in pauses and starts. In a couple of days, an individual atom may transit through plants, animals, and the atmosphere, but it may spend millions of years locked in rocks.
Systems are dynamic; as one component is modified, other components react and adjust to reestablish balance. The carbon cycle has changed substantially during the past 200 years or more.
Therefore, All living organisms require the chemical element carbon, which is also found in many non-living substances.
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Which is a property of a ceramic?
Can some1 help me out please will give BRAINLY
Answer:
Answer is D) Insulating
An amino acid's unique characteristics is defined by the ________.
In one area of the rainforest, there are 5 different species of bats. Bat 1 has extra large ears and excellent hearing, bat 2 has a long snout, bat 3 has fang−like sharp teeth, bat 4 has sharp claws and bat 5 has extra large eyes. Most likely, these bats once belonged to the same species.
False. The unique attributes of each of the 5 different bats suggest that they are of different species.
What are species?The presence of distinct and unique characteristics among the five different bat species suggests that they likely belong to different species rather than being variations of a single species.
Each bat species has specific adaptations (such as extra large ears, long snout, sharp teeth, sharp claws, and extra large eyes) that are specialized for their specific ecological niche and evolutionary history.
These unique adaptations indicate that these bats have undergone different evolutionary paths and likely belong to different species rather than being variations of a single species.
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A species of shark has the length of their teeth controlled by a gene ‘T’ where long is dominant to short. A homozygous long-toothed shark (TT) and a heterozygous long-toothed shark (Tt) have an allele frequency of T: 0.75, t: 0.25. If they have 10 offspring and 6 are homozygous long-toothed sharks and 4 are heterozygous long-toothed sharks, what is the new allele frequency?A. T: 0.8 t: 0.2B. T: 0.5 t: 0.5C. T: 0.6 t: 0.4D. T: 1 t: 0
Explanation
We have 10 offspring, 6 are homozygous long-toothed sharks and 4 are heterozygous long-toothed sharks. The homozygous long-toothed sharks is 80% = 0.8 and the heterozygous long-toothed sharks is 20% = 0.2
Therefore the answer is A.
Answer
A. T: 0.8 t: 0.2
Describe the timing of evolutionary change according to the punctuated equilibrium model.
According to the punctuated equilibrium model, evolution is characterized by long periods of relative stability (equilibrium), interspersed with relatively short periods of rapid change (punctuation).
What is the punctuated equilibrium model?In the 1970s, palaeontologists Niles Eldredge and Stephen Jay Gould put forth this notion.It states that species tend to remain relatively stable for long periods of time, but when they do undergo evolutionary change, it tends to occur rapidly.The process of cladogenesis, in which a tiny population of a species separates off from the larger population and develops independently, is how new species appear in the punctuated equilibrium model.Genetic drift, natural selection, and other mechanisms that can cause fast evolutionary change within a small, isolated population are attributed to the rapid change that occurs during punctuated equilibrium.To know more about the punctuated equilibrium model, visit:
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PLEASE HELPPPP!!
answer a few questions abt flowers :)
1. Why are flowers an important adaptation of flowering plants?
2. How can fruit play a role in seed dispersal?
3. How do botanists classify flowering plants?
4. You can see from the micrograph images above that the surface structure of a pollen grain is sculpted and spiky. Why do you think this is so?
5. In Hakea, the stomates are protected from direct exposure to the air by enlarged epidermal cells. In what environment do you think this adaptation is necessary? Explain your reasoning.
Answer:
Flowers produce seeds needed to make more plants.Some fruits contain seeds. Seeds can spread into more seeds which lead to more fruits.They divide them into 3 groups; perennials, biennials and annuals.To protect the plant from predators.A very windy environment, because although it would be difficult to occur, the plants could get blown away.Which organism is likely to carry out the process shown in the diagram?
CO, + H,O
Heat
www
Chloroplast
Mitochondrion
MASS
Respiration
OA. Barn owl
OB. Mushroom
C. Alligator
-0₂
Sugar
ATP
Answer:
C
Explanation:
took the test
The process of converting carbon dioxide to organic products is called
Answer:
photosynthesis
Explanation:
In Drosophila, recessive mutations vermilion (v) and cinnabar (cn) have identical phenotypic effect: a lighter and brighter eye color than the usual brick-red wild type. Vermilion, however, is located on the X chromosome and cinnabar is located on one of the autosomes.(a) If a pure-breeding vermillion male (which is wild type for cinnabar) is crossed to a pure-breeding cinnabar female (which is wild type for vermillion), what fraction of their offspring will have light eyes?(b) If the F1 flies from (a) are permitted to breed with each other, what fraction of the F2 females will have light eyes?(c) If the F1 flies from (a) are permitted to breed with each other, what fraction of the F2 males will have light eyes?
None of the offspring will have light eyes. 1/16 of the F2 females will have light eyes. 1/4 of the F2 males will have light eyes.
Since vermilion (v) is located on the X chromosome, it is sex-linked and will only affect males. Cinnabar (cn) is located on an autosome, so it will affect both males and females. The cross between a pure-breeding vermilion male and a pure-breeding cinnabar female will produce all wild type offspring, since both mutations are recessive.
The F1 flies will all be heterozygous for both vermilion and cinnabar. When they are crossed with each other, the expected phenotypic ratio in the F2 generation will be 9:3:3:1 (wild type:vermilion:cinnabar:light eyes). Therefore, 1/16 of the F2 females will have light eyes.
Since vermilion is sex-linked, it will only affect males. The expected phenotypic ratio in the F2 generation for males will be 3:1 (wild type:light eyes). Therefore, 1/4 of the F2 males will have light eyes.
Overall, the fraction of F2 offspring with light eyes will be (1/16 females) + (1/4 males) = 5/16.
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A variance of 4 for group A as compared to a variance of 0.25 for group B indicates
Please choose the correct answer from the following choices, and then select the submit answer button.
a greater variability of phenotypes in group B.
a greater number of individuals in each phenotype class in group A.
a greater variability of phenotypes in group A.
nothing.
a greater number of individuals in each phenotype class in group B.
a greater variability of phenotypes in group A.
Variance 4 for group A compared to variance 0.25 for group B indicates greater phenotypic variability in group A
Quantitative geneticists can estimate the proportion of total variance based on total genetic variance and environmental genetic variance. When a geneticist seeks to improve a particular quantitative trait (eg, desired yield or weight gain), estimates of the proportion of the variance to the total variance will guide research.
When most of the variance is genetic, an advantage can be gained by selecting individuals with the desired metric. Conversely, if the genetic variance is small, meaning that the environmental variance is large, greater success will be achieved by optimizing the environmental conditions in which the individual grows.
In the question, the variation for group A is 4 while the variation for group B is 0.25 → 4 > 0.24 = A > B
Thus, the correct statement is a greater variability of phenotypes in group A.
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in what way are photosynthesis and cellular respiration similar
Answer: The two processes are similar in that they both produce energy, albeit in two different forms. ... The win-win of the two processes is that they both provide each other with the necessary ingredients for the process to take place: glucose and oxygen for cellular respiration, carbon dioxide, and water for photosynthesis.
I hope this helps! Good luck with your future homework and exams! <3
Answer:
Photosynthesis and cellular respiration are similar because they both produce energy and involved in exchange of gases.
Explanation:
Hope this work :)
What makes up muscle tissue?
organisms
organ systems
organs
cells
Answer:
Cells is the correct answer!!
Explanation:
Muscle tissue consists of elongated cells also called as muscle fibers. This tissue is responsible for movements in our body. Muscles contain special proteins called contractile protein which contract and relax to cause movement. Muscle tissues vary with function and location in the body.
Hope This Helps!!
God Bless!!
~DuffyDuck~
Answer:
It's D. Cells
Explanation:
I did the Edge test!<3
a wave that travel up and down
Answer:
The answers is a transverse wave
Answer:
A wave that travels up and down is a transverse wave.
Explanation:
This is because there are only two types of waves, a transverse wave and a longitudinal wave.
Longitudinal waves only travel from side to side carrying energy through a medium.
Transverse waves only travel up and down carrying energy through and sometimes not through a medium. Transverse waves can be found in space because it is not required for some of the transverse waves to travel through a medium (air, liquid etc).
For example, a sound wave (a longitudinal wave) cannot be heard in space but a light wave (a transverse wave) can be seen from millions of light years away in space.
Longitudinal waves have compressions and refractions (caused by the direction of energy transfer (side to side energy transfer)).
Transverse waves' directions of energy transfer are always perpendicular to the oscillation. However, longitudinal waves' directions of energy transfer are always parallel to the oscillation of the wave.
Hope this helped. Please feel free to comment below if you require further assistance from me! :)
HELP ME , THIS IS A UNIT QUIZ !! I WILL MARK BRAINLIEST!!
A subduction zone is a _____ boundary where ____.
A) divergent
an oceanic plate moves under a continental plate
B) convergent
an oceanic plate moves under a continental plate
C) convergent
two oceanic plates meet and form a ridge
OD) divergent
two continental plates move apart
Convergent boundaries can occur between oceanic plates, beteen continental plates, and between an oceanic and a continental plate. B) convergent an oceanic plate moves under a continental plate.
What is a convergent boundary?Convergent boundaries refer to the event that occurs when two plates move forward to each other and end up colliding, causing deformation in one or both plates.
Three possible collisions might occur,
Two oceanic plates might collide ⇒ subductionThe thickest plate subduces and causes a deformation on the other plate edge, creating an oceanic trench.
Hot magma rises to the surface by these trenches and creates volcanoes on the superior plate. These volcanoes can be underwater or emerge from the ocean surface forming island arcs or insular volcanic arcs.
Japanese islands and the Philippines are examples.
Two continental plates might collide ⇒ obduction
Both plates are too light to subduce (equally dense), so neither sinks under the other.
Occurs a vertical deformation on both plates' edges, which remain attached by a suture area. The result is an inland mountain chain formation.
Examples of these are Alpes, Urales, and Himalayan mountains.
Oceanic plate and a continental plate collide ⇒ Subduction
When the oceanic plate collides with the continental plate, the first one sinks under the continental plate.
Magma rises to the surface by crevices resulting in the mountain chains or volcanic chains formation due to the deformation caused on the continental plate edge.
The Himalayas and Los Andes are examples of these collisions. Also, collisions create volcanic arches and continental arches.
The correct option is B) convergent an oceanic plate moves under a continental plate.
A subduction zone is a convergent boundary where an oceanic plate moves under a continental plate.
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concept, the phylogenetic species concept, and the morphological species (morphospecies) concept. Drag each characteristic to the appropriate bin based on the species concept(s) to which it applies. the columns are?
The ability of two individuals to effectively generate viable, fertile offspring (biological species concept), whether individuals resemble one another morphologically (morphological species concept), how closely connected individuals are evolutionarily (phylogenetic species idea), and whether the person uses or is capable of using the same set of biological resources; in other words, whether they occupy the same "niche" (ecological species concept).
The situation and data at hand will determine which species notion is most useful. Extinct species are represented by branches in the figure below that don't reach the top of the diagram (or taxa). Due to the extinct nature of mastodons, it is hard to determine whether or not individuals from various populations were able to interbreed (biological species concept).
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Write me a 10 minute speech about varicella zoster
Need it asap
Varicella Zoster is an infectious viral disease causing chickenpox in children and shingles in grown-ups. Inoculation plays a crucial part in avoidance and lessening complications.
Aspeech on Varicella-ZosterWomen and noblemen,
Nowadays, I would like to examine a vital and predominant viral disease known as Varicella Zoster. Varicella Zoster, commonly alluded to as chickenpox, is caused by a varicella-zoster infection. It fundamentally influences children, but can too affect grown-ups who have not been already contaminated.
Varicella Zoster presents as a profoundly infectious sickness characterized by a particular hasty, fever, and common disquietude. The infection spreads through coordinated contact or respiratory beads, making it effortlessly transmissible inside families and communities.
Whereas chickenpox is for the most part a gentle ailment in children, it can lead to more serious complications in grown-ups, pregnant ladies, and people with debilitated resistant frameworks. These complications incorporate pneumonia, bacterial contaminations, and in uncommon cases, neurological complications such as encephalitis.
Luckily, the improvement of a profoundly successful antibody has essentially diminished the frequency of Varicella Zoster around the world. Immunization not as it were secures people from the distress and potential complications of chickenpox, but too makes a difference anticipate the infection from spreading inside the community.
In any case, Varicella Zoster doesn't halt at chickenpox. Once the introductory contamination settles, the infection remains torpid inside the body and can reactivate a long time afterward, causing a condition known as herpes zoster, or more commonly, shingles.
Shingles are characterized by a difficult hasty that ordinarily happens in a single dermatome, regularly along the middle or confront. The reactivated infection can cause critical pain and inconvenience, enduring for weeks or indeed months. Moreover, complications such as postherpetic neuralgia, a persistent torment disorder, can happen, especially in more seasoned people.
To combat the chance of shingles, an isolated antibody called the shingles antibody or herpes zoster immunization has been created. This antibody not as it were makes a difference anticipate shingles but moreover diminishes the chance of postherpetic neuralgia.
In conclusion, Varicella Zoster, enveloping both chickenpox and shingles, could be a viral contamination that has critical suggestions for open well-being. We have made significant progress in reducing the burden of this disease through extensive vaccination efforts.
In any case, ongoing efforts to prevent Varicella zoster from returning to our communities and to protect powerless populations require prompt attention and vaccination.
Much obliged to you for your thought. Let's collaborate to ensure a better future for everyone.
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Why does the pollution affect the climate?
What are CFC gases and why are they considered a natural process?
Where do they come from?
How does the breakdown of the ozone layer affect the climate?
How does the earth warm?
Pollution makes the environment unwholesome to live in
Which structure shown in the diagram is responsible for the passage of materials into and out of the cell?
Answer:
A
Explanation:
a is the cytoplasm thats its function
The structure (A) is responsible for the passage of materials into and out of the cell.
What do you mean by cell?The smallest unit that can live on its own and that makes up all living organisms and the tissues of the body. A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances that go into and out of the cell.
Moreover, a single cell can be a complete organism in itself, as in bacteria and protozoans. Groups of specialized cells are organized into tissues and organs in multicellular organisms such as higher plants and animals. There are two distinct types of cells: prokaryotic cells and eukaryotic cells.
Therefore, they provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions. Cells also contain the body's hereditary material and can make copies of themselves.
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para realizar un Proyecto debemos primero buscar la necesidad. ¿Por qué?
Answer:
necesitamos conocer cuales son los motivos que impulsan la fabricación/obtención del producto y/o servicio
Explanation:
Un proyecto se considera un esfuerzo temporario asociado a un conjunto de actividades las cuales son planificadas de antemano a fin de producir un determinado producto y/o servicio. Por ejemplo, en el área de biología molecular y biotecnología, un proyecto podría consistir en la planificación de las actividades necesarias para sintetizar una hormona en particular (insulina) utilizando plantas como biorreactores. Las etapas o fases por las cuales debe transitar cualquier proyecto de índole tecnológico son: 1-planteamiento de un problema: cual es la necesidad que impulsa el desarrollo del bien y/o servicio; 2-búsqueda de información relacionada al proyecto: en el ejemplo citado, cual es la especie de planta más factible de ser utilizada como biorreactor para producir insulina, cuales son los materiales requeridos para llevar a cabo este proceso, etc; 3-diseño y planificación del proyecto: cuales son los plazos estipulados para la puesta a punto del proyecto, cómo obtener los recursos necesario para llevar a cabo estas actividades, evaluación de los riesgos a los que se enfrenta el producto/servicio, etc; 4-construcción del proyecto: consiste en llevar a cabo las actividades delimitadas en el paso anterior, y 5-evaluación y divulgación: consiste en la obtención final del producto y/o servicio, como así también de las medidas de publicidad (divulgación) que tienen como objetivo crear un nicho de mercado para el producto/servicio.
A group of researchers transformed E. coli to express
dsRNA that matched a transcription factor, eaf-1. They
then fed these E. coli to C. elegans worms. When the
researchers examined the C. elegans, they found that
they had fewer offspring and were smaller individuals,
with similar characteristics to C. elegans in which eaf-1
had been knocked out.
The students suggested several hypotheses based on
these observations about how RNAi worked:
1. The dsRNA inhibited gene transcription.
2. The dsRNA inhibited mRNA processing.
3. The dsRNA inhibited translation of mRNA into protein.
4. The dsRNA inhibited protein folding.
Mark this and return
The researchers then performed a series of experiments
to determine which hypothesis was correct. The C.
elegans were found to be transcribing eaf-1 into mRNA,
but not producing eaf-1 protein. When the students
directly injected C. elegans with dsRNA and tracked
tagged mRNA, they found the mature mRNA was
degraded in the cytoplasm, and ribosomes were not
binding to it. Which hypothesis is supported by these
observations?
The hypothesis that is supported by these observations is that the dsRNA inhibited the translation of mRNA into protein (third option).
What does the experiment reveal about dsRNA?In this experiment, the C. elegans worms were transcribing eaf-1 into mRNA but not producing the eaf-1 protein. This phenomenon shows that dsRNA inhibited the translation of mRNA into protein related to the action of E. coli on the worms.
This also explains why the worms affected by this bacteria had fewer offspring and the offspring were smaller.
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The retinohypothalamic path consists of a special population of retinal ganglion cells that have their own photopigment, called:
Answer:
melanopsin
Explanation:
this note might help you :
The retinohypothalamic tract (RHT) is a photic neural input pathway involved in the circadian rhythms of mammals. The origin of the retinohypothalamic tract is the intrinsically photosensitive retinal ganglion cells (ipRGC), which contain the photopigment melanopsin. The axons of the ipRGCs belonging to the retinohypothalamic tract project directly, monosynaptically, to the suprachiasmatic nuclei (SCN) via the optic nerve and the optic chiasm. The suprachiasmatic nuclei receive and interpret information on environmental light, dark and day length, important in the entrainment of the "body clock". They can coordinate peripheral "clocks" and direct the pineal gland to secrete the hormone melatonin.
information about melanopsin : Melanopsin is a type of photopigment belonging to a larger family of light-sensitive retinal proteins called opsins and encoded by the gene Opn4.[5] In the mammalian retina, there are two additional categories of opsins, both involved in the formation of visual images: rhodopsin and photopsin (types I, II, and III) in the rod and cone photoreceptor cells, respectively.
Which describes the particle or particles that are in the nucleus of an
atom? *
1. proton and electron
2.electron only
3.electron and neutron
4.neutron and proton
Nevermind! I don't know if you can delete your answer or not but I saw that mine was wrong. Sorry!
Which is true of electric cars?
Answer:
that they have more problems than other cars because of the engery it uses
hope that helped lowk;)