Answer:
Explanation:
A small piece of circular DNA called a plasmid is extracted from the bacteria or yeast cell.A small section is then cut out of the circular plasmid by restriction enzymes, ‘molecular scissors’.The gene for human insulin is inserted into the gap in the plasmid. This plasmid is now genetically modified.The genetically modified plasmid is introduced into a new bacteria or yeast cell.This cell then divides rapidly and starts making insulin.To create large amounts of the cells, the genetically modified bacteria or yeast are grown in large fermentation vessels that contain all the nutrients they need. The more the cells divide, the more insulin is produced.When fermentation is complete, the mixture is filtered to release the insulin.The insulin is then purified and packaged into bottles and insulin pens for distribution to patients with diabetes.The DNA of an animal's somatic cell is transferred into an egg cell that has had its nucleus and DNA removed in order to create a clone. With the same genes as the cell donor, the egg develops into an embryo. The embryo is then placed inside the uterus of an adult female to develop.
What is DNA ?A polymer made of two polynucleotide chains that coil around one another to form a double helix is called deoxyribonucleic acid. All known organisms and many viruses have genetic information in the polymer that is necessary for their development, operation, growth, and reproduction. Nucleic acids include DNA and ribonucleic acid.
The process of genetic engineering consists of three main phases. These include (1) isolating DNA fragments from a donor organism, (2) integrating an isolated donor DNA fragment into the genome of the vector, and (3) allowing the recombinant vector to develop in the proper host.
Selection, mutagenesis, conjugation, and protoplasm fusion are examples of conventional genetic modification techniques that have been used, particularly for microbial starter cultures. The latter is comparable to somatic hybridization in plant systems.
Thus, The DNA of an animal's somatic cell is transferred into an egg cell that has had its nucleus and DNA removed in order to create a clone.
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An introduced insect is devastating several related plant species within a diverse natural area. An environmental manager is tasked with developing and preserving the area. He decides to use a biological control method, a parasitic fly that feeds on the pest insect's larvae. Would this be considered a density-dependent or a density-independent approach to population control? A. Density-independent, because it is not likely to completely control the pest's density B. Density-independent, because both pest and biological control agent are introduced C. Density-independent, because the parasite could become a pest, causing a natural disaster D. Density-dependent, because it reduces the population density of the pest E. Density-dependent, because both pest and biological control agent are introduced
because it lowers the pest's population density, it depends on density.
The reason why predation depends on densityAnother element that depends on density is predation. When the population of a species of prey increases, predators will benefit from the more plentiful food source and will typically eat more of that prey as the population increases.
What indicators exist that a population is density-dependent?In the process of estimating and assessing population increase, both density dependence and density independence may coexist. The relationship between a population's growth rate and density can be examined to see if there is any density dependence.
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Both prokaryotic and eukaryotic cells use ________ to turn certain genes on or off.
The prokaryotic and eukaryotic cells use regulatory proteins to turn certain genes on or off.
A prokaryote is a celled organism that lacks a nucleus and different membrane-sure organelles. The phrase prokaryote comes from the. within the -empire system arising from the work of Édouard Chatton, prokaryotes were labeled inside the empire Prokaryote.
Prokaryotic Cells do no longer have any membrane sure organelles, so no nuclei, mitochondria, or chloroplasts. they have a mobile wall, mobile membrane, nucleoid, ribosomes, and cytoplasm. The maximum not unusual prokaryotic cells are micro organisms.
Prokaryote, additionally spelled procaryote, any organism that lacks a distinct nucleus and different organelles because of the absence of inner membranes. bacteria are among the fine-regarded prokaryotic organisms. the dearth of inner membranes in prokaryotes distinguishes them from eukaryotes.
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Migration is going to have what kind of effect on the genetic variation between populations?.
Migration makes it possible for subpopulations to transfer genetic variation, which helps to maintain genetic diversity within each subpopulation.
How does genetic diversity get impacted by migration?genetic diversity?will alter gene frequencies by introducing additional copies of an allele already present in the population or by introducing a brand-new allele that has developed as a result of mutation. Migration is necessary for the propagation of that allele over the whole population of that species because mutations do not occur in every group.
Does migration lead to a rise in population genetic diversity?Immigration is the introduction of new people to a population. Genetic diversity is boosted. The movement of people away from a population is known as emigration. Genetic diversity is diminished.
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plants usually extract these elements from soil, and humans obtain them from plant foods or from animals that have eaten plants and they are inorganic elements essential to human metabolism. in nutrition these elements are called
The biochemical synthesis of nutrient minerals by living organisms is not possible because they are elements.
The purpose of vitamins and mineralsTo develop sturdy bones and teeth and convert food you eat into energy, your body needs specific minerals. A healthy, balanced diet should include all the minerals your body requires to function properly, similar to how vitamins should. Calcium, iron, and potassium are among the essential minerals.
Who invented the first vitamin?In 1913, vitamin A was identified as the first vitamin. A British biochemist by the name of Frederick Gowland Hopkins discovered that milk contained unidentified substances that weren't fats, proteins, or carbohydrates but were necessary to promote rat growth.
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Scenario: You are out shopping with your friend and their toddler. The toddler puts their mouth on the shopping cart. Explain to your friend how a contaminant could get from the shopping cart into their child’s body to make them sick.
The possible contaminant that could have entered their body through absorption and caused these symptoms are bacteria that causes infection in the intestine and due to this these particular symptoms has been occured.
What is infection and difference between infection and mixed infection?The pattern of infection where the several microbes grow simultaneously at the infection site has been known as mixed infection.
In the process of mixed infection, the infection has been caused by more than one variety of pathogenic microorganisms. Examples of medical conditions caused by mixed infections include: some abscesses, pneumonia, infections of wounds, etc.
Therefore, The possible contaminant that could have entered their body through absorption and caused these symptoms are bacteria that causes infection in the intestine and due to this these particular symptoms has been occured.
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Toucan
Monstera Plant
The Toucan has a long, narrow beak that allows it to reach fruit that is hard to reach for other birds.
Plants, like the Monstera Plant, in the rainforest have long, grooved leaves to drop water to the forest
floor. The excessive water that falls in the rainforest could lead to mold, so the leaves adapted to
have "drip tips" that allow the water to run off of the leaves.
What type of adaptations are these? Compare and contrast the adaptations of the Toucan and
Monstera Plants of the rainforest. Your answer should be 3-4 sentences long.
structural
This is because the toucan has now evolved over time. this is to reach narrow fruits with its beak. the plant has also evolved over time. this is to make sure that the plant doesnt rot.
myc activates and mad represses transcription through recruiting a coactivator and a corepressor, respectively. what kind of enzyme is recruited by each?
MYC hires HAT, while Mad hires Each one attracts the HDAC enzyme. When MYC recruits a coactivator and a corepressor, respectively, to activate and repress transcription.
How is an enzyme defined?Enzymes, a type of biological catalyst, are almost invariably proteins. It quickens a certain chemical process in the cell. It quickens a certain chemical process in the cell. The enzyme is continuously employed during the reaction and is not destroyed.
What is an example of an enzyme?For instance, the enzyme pepsin is a vital component of gastric fluids and aids in the breakdown of food particles in the stomach. Similar to how amylase, an enzyme found in saliva, turns starch into sugar to aid in the first stages of digestion. The thrombin enzyme is employed in medicine to speed up the healing of wounds.
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you are interested in learning the age of an individual based on their skeleton. which part of the anatomy is most likely to indicate age?
The part of human anatomy that is most likely to indicate the age of an individual are the teeth and bones.
Even unknown people's biological profiles cannot be entirely recreated in the absence of age information. Forensic anthropologists use skeletal markers for the age-related processes of bone resorption, deposition, and remodeling to establish an individual's age.
Estimating the age of adults presents a challenging task for forensic anthropologists due to the complexity, individual variability, and vast variety of external factors impacting it. Instead of using a specific age, anthropologists estimate ages using an age range.
This is explained by the fact that various biological changes take place for younger people at predictable rates and times. When a person reaches biological adulthood, both the volume and the speed of developmental change decrease.
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What is the difference between ground layering and air layering?
Layering is a method in which a branch of the plant is covered with some material and supplied water to produce roots.
They are done in two ways:
1.) Ground layering
2.) Air layering
Ground layering or mound layering is the typical propagation technique for the popular Malling -Merton series of clonal apple root stocks, in which the original plants are set in the ground with the stem nearly horizontal, which forces side buds to grow upward.
Air layering is a method of propagating new trees and shrubs from stems still attached to the parent plant. The stem is wrapped with damp moss to encourage roots to form.
The main difference between them is for soil layering, lower stems are bent to the ground and covered with moist soil of good quality. For air layering, a branch is deeply slit and the wound is covered with a ball of earth or moss and kept moist until roots develop; the branch is then severed and transplanted.
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HELP THIS IS DUE TOMORROW AND I'M STILL STRESSING OUT
Answer:
Explanation:
9) double helixed wrapped around in coils. Chromosomes are structures that carry genetic information in the form of genes.
10) Dna replication is a process in which DNA strands are copied from original strands, so that cells have a full amount of DNA
12) DNA sugar- deoxyribose RNA- ribose
bases DNA- A,G,C,T and bases in RNA- A,G,C, U
DNA is double stranded whereas RNA is single
DNA found in the nucleus, RNA found in the cytoplasm
16) nucleotide (attached)
18)DNA (attached)
19)ATC
20) RNA- AUC amino acid is ile
22)mutation is a change in the base sequence in the DNA
Hope this helps!
Choose an ecosystem: Tropical Rain Forest, Temperate Rain Forest, Grasslands,
Desert, Tundra, Fresh Water, Coral Reefs, or Chemosynthesis. Draw a food chain that
ncludes, sun/chemicals, producer, primary consumer, secondary consumer, tertiary
consumer, and a decomposer. Title and label your food chain.
Answer:
The food chain describes who eats whom in the wild. Every living thing—from one-celled algae to giant blue whales —needs food to survive. Each food chain is a possible pathway that energy and nutrients can follow through the ecosystem. For example, grass produces its own food from sunlight. A rabbit eats the grass.
Explanation:
which possible adverse effect would be of greater priority to report to the prescribed of a selective estrogen receptor modulator?
The possible adverse effect which would be of greater priority to report to the prescribed of a selective estrogen receptor modulator is an increase the risk for thrombosis in the arterial and the venous tree.
What is Selective estrogen receptor modulator?This is referred to as a type of substance which is usually in the form of chemicals and it helps to block estrogen in some areas of your body and aid it in others.
Thrombosis on the other hand is referred to as a medical condition which is caused by the blocking of the blood vessels such as veins or arteries with blood clots.
This may lead to different complications such as stroke, brain damage etc which is why it is of greater priority to report to the prescribed of a selective estrogen receptor modulator.
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What are the phenotypes?9/16 Tall and yellow, 3/16 tall and green, 4/16 short and yellow and 1/16 short and green.9/16 Tall and yellow, 3/16 tall and green, 3/16 short and yellow and 1/16 short and green.9/16 Tall and yellow, 3/16 tall and green, 3/16 short and yellow and 2/16 short and green.9/16 Tall and yellow, 4/16 tall and green, 2/16 short and yellow and 1/16 short and green.
Let's fill in the Punnett square.
It shows that there are 16 possibilities of genotypes. The genotypes carry the following phenotypes:
> Tall and Yellow = 1 TTYY, 4 TtYy, 2 TTYy, 2 TtYY = 9/16
> Tall and Green = 2 Ttyy, 1 TTyy = 3/16
> Short and Yellow = 2 ttYy, 1 ttYY = 3/16
> Short and Green = 1 ttyy = 1/16
ANSWER: 9/16 Tall and yellow, 3/16 tall and green, 3/16 short and yellow, and 1/16 short and green.
what is the definition of plate
The cell plate is a structure that forms in the cells of land plants while they are undergoing cell division. The cells of land plants, unlike animal cells, have a cell wall made of stiff sugars which surround their cell membranes.
Immediately after putting on a shirt, your skin might feel itchy. However, this perception soon fades due to _____.
Your skin could itch as soon as you put on a shirt. Then, as a result of sensory adaptation, this perception quickly vanishes.
What in ap psychology is sensory adaptation?
With time, an observer loses sensitivity to a stimulus, which is referred to as sensory adaptation. according to signal detection, a subject's reaction to a stimulus is dependent on both sensitivity and decision criteria. changing physical signals into brain signals is a process known as transduction.
In psychology, what is a good illustration of adaptation?
Most frequently, a propensity for a particular behavior or full dose is referred to as a psychological adaption. for instance, a fear with snakes could be a psychological adaption that saved someone from harm or death after being bitten by one.
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can someone help me with this? I've been on online instruction for a really long time
Yes, I can help you with this a food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another.
Every food chain begins with a producer. The food chain shown below uses arrows to show the transfer of energy and nutrients, which is always from the consumed to the eater.
An ecosystem's only conduit for the flow of matter and energy is represented by a food chain. An essential conceptual tool for depicting the feeding connections among species within a group is the food web.
All the interconnected and overlapping food systems in an ecosystem are combined to form a food web. The linkages or interconnections between objects are described by food webs. Energy is transferred between the species in food webs from producers to consumers. Energy is used by organisms to carry out demanding tasks.
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what analysis tool does not include PCR?
A: STR profiling
B: SNP analysis
C: Y-STR analysis
D: electrophoresis
Electrophoresis tool is used for PCR result analysis. thus option D is correct.
what is electrophoresis?
Electrophoresis has the ability to pass charged molecules in an electric field, it is the separation of proteins which is usually accomplished using polyacrylamide gel electrophoresis (PAGE).
In this process where the proteins are driven by an applied current through a gel based matrix.
these polyacrylamide gel is formed as a thin slab between two glass plates or as a cylinder within a glass tube.
The primary objective of electrophoresis is to separate DNA molecules based on their size which may be completed on a gene of interest prior to electrophoresis.
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Answer:
SNP analysis
Explanation:
Correct on my exam
Pigment molecules capturing photons in the chloroplast are organized in distinct structures called.
Pigment molecules capturing photons in the chloroplast are organized in distinct structures called photosystems.
Photosynthetic pigments, which include chlorophyll a, chlorophyll b, and carotenoids, are light-harvesting molecules found in chloroplast thylakoid membranes. As previously stated, pigments and proteins are organized into complexes known as photosystems.
Photosystems are functional units for photosynthesis that are defined by specific pigment organization and association patterns. Their work is the absorption and transfer of light energy, which implies electron transfer. Photosystems are physically found in thylakoid membranes.
Chloroplasts are chlorophyll-containing organelles found in plant cells; they are essential for life on Earth because photosynthesis occurs in chloroplasts. Proplastids give rise to chloroplasts, as do chromoplasts, leucoplasts, and other plastids. Light energy absorption and conversion into biological energy
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i need help please. my grades are going downhill please help
Answer: how fast the motor turns= dependent variable
increase in voltage=independent variable
same motor=constant variable
Explanation: hope this helps!!
The spinal cord extends inferiorly from the brain through the foramen magnum, then through the vertebral canal, and ends at the level of the ______ vertebra.
The spinal cord extends inferiorly from the brain through the foramen magnum, then through the vertebral canal, and ends at the level of the first or second lumbar vertebra.
The lumbar vertebrae are part of the vertebral column which consists of five vertebrae with the size of the vertebrae being larger than the vertebrae in the neck or backbone (thorax).
The lower (lumbar) spine supports the top of the spine and is connected to the pelvis. These bones carry most of the body's weight and the pressure when you lift or carry things. This section allows flexion and extension of the body, and some rotational movement by a small degree. the lumbar spine, which is often referred to as the lower back, and has five vertebrae. The four vertebrae are fused and form the coccyx.
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carnivores tend to have... group of answer choices small, shrinking stomachs average stomachs with no expandability large, expandable stomachs large, shrinking stomachs
Expandable stomachs are more common among carnivores.
Do meat eaters have multiple chambers in their stomachs?Carnivores also only have one stomach chamber and a basic digestive system, in contrast to herbivores who frequently have many stomach chambers and a complex digestive system.
Why are the intestines of carnivores small?Being a large and complicated substance, cellulose takes a long time to digest, whereas meat-eating animals like tigers can digest meat quickly and efficiently because it is simple to do so. In this way, carnivores' intestines are smaller than those of herbivores.
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the virulence of e. coli o157:h7 is due in part to a pathogenicity island, an element that can best be described as
A region of DNA that contains multiple co-transcribed turbulence genes.
Bacteria bind to the intestinal lining and begin to release Shiga toxin. The toxin, in turn, interferes with protein synthesis in the epithelial cells that line the intestinal lining, leading to cell death, detachment of the mucosa, and eventual bloody diarrhea. Causes severe intestinal infection in humans. It is the most common strain that causes disease in humans.
May differ from other E. By damaging the lining of the intestinal wall and producing a potent toxin that causes bloody diarrhea, E. coli. The main categories of pathogenic E. coli that colonize the epithelial layer of the small intestine are enterotoxigenic E. coli and enteropathogenic E. coli.
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in mussels the allele for brown coloring is dominant and the allele for blue coloring is recessive. for which parental genotype are 100% of the offspring expected to be blue
In mussels the allele for brown coloring is dominant and the allele for blue coloring is recessive. bb x bb parental genotype is 100% of the offspring expected to be blue.
The type of variation present at a certain locus (i.e., region) in the genome is scored by what is known as a genotype. Symbols can be used to symbolize it. For instance, BB, Bb, and bb might be used to denote a certain gene variation. The actual DNA sequence, such as CC, CT, or TT, can also serve as a representation of a genotype. In a single experiment, the genotypes at millions of sites in a genome may be determined using DNA sequencing and other techniques. Some genetics influence an individual's phenotype, or observable qualities.
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which of the following makes the biggest difference from one organism to the next
A. internal traits
B. a trait
C. external traits
D. a character
Answer: a
Explanation: because its facts
an island reports that in the year 2000 there were 240 babies born. that same year, 100 individuals died. what is the growth rate for this island
Population growth rate of the island is 140 individuals.
Population growth rate is annual average rate of change of population size, for a given country, territory, or geographic area, during a specified period.
Population growth rate is mainly considered as the difference in birth and death rate in the population . Population growth rate can be calculated by finding the difference between the initial population at one time , and then dividing the initial population and dividing by 1 .Population growth can be of two types exponential growth and logistics growth .
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Order these bodies from our Solar System in order from the center to the outside.
HURRY!! WILL GIVE BRAINLIEST ASAP
Answer:
hello
1 sun
2 mercury
3 venus
4 earth
5 mars
6 astroid belt
7 jupiter
8 saturn
9 uranus
10 neptune
good luck!!
Most plant leaves take in more carbon dioxide as light increases. They give off carbon dioxide if light intensity is too low. The graph shows a plant’s carbon dioxide levels at different light intensities.
At point x, the rate of which process is equal to the rate of photosynthesis?
C:
E:
R:
At the point X rate of cellular respiration process is equal to the rate of photosynthesis.
What is cellular respiration?Cellular respiration is described as the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor such as oxygen to produce large amounts of energy, to drive the bulk production of ATP.
Most plant leaves take in more carbon dioxide as light increases. They give off carbon dioxide if light intensity is too low
We are two types of cellular respiration which includes:
aerobic cellular respiration and anaerobic cellular respirationaerobic cellular respiration: occurs in the presence of oxygen while anaerobic cellular respiration: occurs in the absence of oxygen
In conclusion, both types of cellular respiration begin with glycolysis - the splitting of glucose.
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dna ploymerase checks for muations during
Answer: During DNA Replication
Explanation:
DNA Polymerase is the enzyme that uses a single stranded DNA template strand to produce a piece of dsDNA. This is used to replicate the DNA according to the semi-conservative model of replication.
During replication DNA polymerase makes approximately one mistake per 10^5 nucleotides. Thankfully the DNA polymerase has proof reading capabilities and has the ability to excise the mistake using it's 3' - 5' exonuclease domain.
Which option identifies the next step performed in the following scenario?
Selena is redesigning an existing product to reduce its carbon footprint. She has defined the purpose of her project and determined the key problem to address.
A. Determine the implications of the new design.
B. List assumptions she made about the new design.
C. Gather information related to the new design.
D. Interpret the results of the new design.
The next step in the problem solving process is to gather information related to the new design.
What is problem solving?In the real world we come up everyday against one problem or another and we need to solve the problem in the best possible way. The solutions to the problem would come through a well thought out process.
Now in the world of science there are always a lot of problems that we need to solve and these would require a sequence of steps and they may include the identification as well as definition of the problem to be solved.
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The rate at which a specific allele for red flower color appears within a population is known as its.
The frequency of a particular allele in a population is known as the allele frequency (or gene frequency). The term "evolution" in population genetics refers to a shift in an allele's frequency within a population.
In this quizlet, "prevalent allele in a population" is defined as what kind of allele?Wild-type alleles are those that are most abundant in a population. true. Expression of functional proteins is typically increased by recessive alleles. false. A individual who is heterozygous for a recessive illness allele typically has 50% of the typical protein levels.
How often do people in a population?The frequency of an allele in a population is calculated by dividing its frequency by the total number of alleles in that population.
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