Genetic engineering uses a process of insertion of genetic material, which does not occur in nature, by a gene gun or other direct gene introduction methods, or by a specially built bacterial truck.
With the aid of sexual and asexual reproduction that occurs naturally, conventional breeding mostly relies on selection. In order to create the desired crops more quickly than through selective breeding, genetic engineering involves directly changing an organism's DNA.
Any form of selection that results from an organism's capacity for environmental adaptation is known as natural selection. Contrarily, artificial selection is selective breeding that is imposed by a third party, typically humans, in an effort to increase the frequency of desirable traits.
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What are the four types of receptors? What kind of stimulus does each one respond to? NO LINKS PLEASE
During the 1918 influenza pandemic, doctors initially treated infected patients with an antibiotic. Why was this treatment ineffective?
Answer:
It is because Influenza is a virus.
antibiotics are for bacterial infection.
There is no antiviral drugs till now because virus is non living thing
All we have are vaccines for virus and no medicine
When the newborn's heart rate is still below 60 beats min How often can epinephrine be repeated?
When the heart rate of the newborn becomes lower than 60 bpm then doses of epinephrine could be repeated. Every three to five minutes, chest compression, positive pressure breathing, and epinephrine injections can be repeated if the heart rate stays below 60 beats per minute.
There are two reasons why patients should carry two doses of their epinephrine auto-injector, under the NIAID food allergy guidelines. "Repeated dosage may be necessary after 5 to 15 minutes if a patient responds poorly to the first dose or exhibits continued or progressive symptoms despite the first dose. A single intramuscular injection of epinephrine is sufficient for the majority of individuals. Intramuscular epinephrine, however, may be administered again if there is no reaction or an inadequate response, if clinically necessary, at intervals of 5 to 15 minutes or earlier.
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Help please and thank you
Answer:
hey this would be I dont really know I need the points
in a food chain, why is it important for an organism to have different sources of food
Answer:
They need backups.
Explanation:
If the organism only has one food source they will use up that resource and eventually the organism will deplete due to lack of food.
Tropical savannas in East Africa have herds of ____________________ and ____________________ hoofed animals.
Tropical savannas in East Africa have herds of zebra and wildebeest hoofed animals.
The zebra is a member of the equid family and is one of the most recognizable animals in the world. Its black and white stripes make it easily distinguishable from other animals, and it is found in a variety of ecosystems across Africa. Zebras are very social animals, living in large herds of up to several hundred individuals. They feed on grass and other vegetation, and are mostly active in the early morning and late afternoon.
The wildebeest is also a grazing mammal, but from the bovidae family. It is larger than the zebra and has a distinctive curved horn on its head. Wildebeest are highly social animals, often traveling in large herds of up to several hundred individuals. They are also mainly active during the early morning and late afternoon, and feed on grass and other vegetation.
The relationship between zebra and wildebeest is one of mutual benefit. The zebra’s stripes help camouflage it from predators, while the wildebeest’s curved horns are used to defend itself and the herd. Together, they can also provide better protection against predators by forming a large herd. In addition, the two species of hoofed animals help each other to find food and water, and they even graze in the same areas.
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What is a bicameral legislature composed of?
A legislature having two houses is referred to as bicameral. The Lok Sabha & Rajya Sabha are the two houses of the Indian Parliament. There are just a few states in India that also have a bicameral legislature made up of the Vidhan Sabha or Vidhan Parishad, whereas most only have the Vidhan Sabha.
In the United States, bicameral legislatures make up the majority of state and federal legislatures. That is, there are two distinct bodies that make up each legislative.Each party would've been represented inside a balance of power under the bicameral system. In the Senate, where each state would have two senators, representation would be equal, whereas in the House of Representatives, representation would be determined by population.Congress is said to be bicameral if it has both the House of Representatives and the Senate. Due to a compromise the Founding Fathers reached during the Constitutional Convention, we now have two chambers of Congress.
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do body cells use mitosis to replicate?
Answer:
Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells. ... During mitosis, a cell duplicates all of its contents, including its chromosomes, and splits to form two identical daughter cells.
Explanation:
Can you please give me science project ideas that at least 2 weeks, with materials easy to find and that is in the difficulty of 9-10th grade?
Which of the following must a scientific idea be? Select all that apply. ((NO LINKS))
✰ repeatable
✰ testable
✰ true
✰ modeled
✰ observable
Real Question:
Why do our stomachs growl and make noise?
I'll give the brainiest to however really gives a correct or accurate answer.
Answer:
When you are hungry your brain signals your digestive system to prepare for food. This leads to stomach growling. Your brain does this because it knows that you are hungry, and consequently the brain signals the digestive muscles to contract. There is also, usually, some gas in the intestines and stomach. The noises come out when the mixture of the gas and fluid, digestive juices, squirt through a opening that separates the stomach and small intestine.
Sometimes the noises happen because of an excessive amount of gas in the small intestine.
An organism has the genotype AaBbCc. What is the probability of producing a gamete that only has dominant alleles for these three genes
A plant having the genotype AABbCC will produce solely ABC and AbC gametes. The 2n formula is used to compute the phenotypes in the cross, whereas the 3n formula is used to calculate the genotypes in the cross.
A cross between the AABBCC and the aabbcc genotypes results in an F1 hybrid with the AaBbCc genotype. An organism produces 2n kinds of gametes,
where n is the number of heterozygous genes present. Because the hybrid AaBbCc is heterozygous for three genes, its total number of potential gametes is 23=8.
The F1 generation plants have the genotype AABbCC. 2n where n= 1 may be used to calculate the number of gametes involved in a specific cross ( n is the number of heterozygotes). As a result, there will be two gametes, ABC and AbC. The phenotype of the F2 generation after selfing these plants will be 3:1, as depicted in the Punnett square.
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Beavers build dwellings called lodges. The photo shows one such beaver lodge. Imagine that most of the trees are cut down and removed from the nearby forest. What would be the most likely effect on the beaver population? A. It would increase. B. It would increase and then decrease C. It would stay the same. D. It would decrease.
Answer:
D. It would decrease.
Explanation:
According to this question, beavers (a type of bird) build dwellings on trees called lodges. This means that they find shelter on those trees and will make an habitat of them.
However, if most of the trees are cut down and removed from the nearby forest, there would be almost no tree left for beavers to build their lodges. Hence, causing them to lose their habitat and migrate. This will lead to a DECREASE in population of beavers.
Answer:
D. It would decrease
Explanation:
Why are snails mollusks and not insects?
Snails belong to the phylum Mollusca and are not insects because their characteristics are similar to that of the Mollusca like present of calcareous shell on the outside and a soft body on the inside.
Snails are the organisms of the phylum Mollusca. They are small creatures recognized by the presence of a spirally coiled shell on the outside. They can be present on land as well as on the aquatic environment.
Mollusca is the second largest phylum of invertebrates in the Animal kingdom. The majority of its organisms are aquatic habitants. The presence of a calcareous shell is a key feature of the phylum. The example of some organisms is oysters, clams, etc.
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Use the information in the articles and in the introduction text to explain how gene therapy increase the probability of changing the inheritance of desired traits in people
According to the information in the articles and in the introduction text, gene therapy increases the probability of changing the inheritance of desired traits in people by improving the likelihood of a desired trait appearing in the offspring.
What is gene therapy?Gene therapy is a branch of medicine that focuses on altering a cell's genetic makeup to have a therapeutic impact or to treat a disease by replacing or repairing damaged genetic material.
Gene therapy improves the likelihood of desirable traits and attempts to treat illness or strengthen your body's resistance to illness by replacing a damaged gene or adding a new gene.
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In tomatoes, tall vine (T) is dominant to dwarf vine (t), and red fruit (R) is dominant to yellow fruit (r).
A gardener crosses a dihybrid tall tomato plant bearing red fruit with a true-breeding dwarf tomato plant with yellow fruit.
1. Describe the possible phenotypes and genotypes of the plants. Responses should include expected phenotype ratios. Explain your reasoning as needed.
2. If 100 of these tomato plant offspring were planted, how many plants would you predict you would find of each phenotype.
Please help
Answer:
Possible genotypes: TtRr, Ttrr, ttRr, ttrr
Possible phenotypes: Tall with red fruit, tall with yellow fruit, dwarf with red fruit, darf with yellow fruit
Number of plants with the phenotype:
Tall with red fruit - 25 plants
Tall with yellow fruit - 25 plants
Dwarf with red fruit - 25 plants
Darf with yellow fruit - 25 plants
Explanation:
To find the genotypes create a punnett square like the one in the image
To find the phenotypes examine the genotypes and detemine if they carry a dominant allele for the trait, if they have at least one dominant allele then the dominant trait that will be expressed, if they have two recessive alleles then the recessive trait will be expressed
To find how many plants that will have a phenotype if 100 plants were planted divide the number squares that have a particular phenotype from the punnett squares and divide that number by the number of total squares. Then multiply by 100
4÷16×100 = 25
What base does A always match with in DNA; and what base does B always match with?
Answer:
well A matches with T, and C matches with G, there is no B
Explanation:
remember this:
-the Apple doesn't fall far from the Tree
-the Car goes into the Garage
In hookworm cases where progressive anemia is present, what additional test procedure should be performed to determine infection in stool specimens
In hookworm cases where progressive anemia is present, the additional test procedure that should be performed to determine infection in stool specimens is the concentration technique.
Hookworms аre nemаtode pаrаsites thаt usuаlly get trаnsmitted through infested soil. They usuаlly аffect the poorest individuаls in tropicаl аnd subtropicаl аreаs. Two species аre mаinly responsible for humаn infections, Аncylostomа duodenаle аnd Necаtor аmericаnus. They cаn cаuse chronic infection of the intestinаl trаct, and suck their host blood, leаding to iron deficiency аnemiа in most cаses. Moreover, pulmonаry mаnifestаtions might occur by the effect of lаrvаl migrаtion.
The stаndаrd method for diаgnosing the presence of hookworm is by identifying hookworm eggs in а stool sаmple using а microscope. Becаuse eggs mаy be difficult to find in light infections, а concentrаtion procedure is recommended.
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What if the bunnie i wa breeding had the genotype of WW and WWLL. How many generation would I need to wait to get a hort haired black bunny?
The generation that must be waited for the offspring of the short-haired black rabbit is the second generation with a probability of 6.25% or 1/16
WW white rabbit genotype, ww black rabbit genotype, LL long hair, ll short hair. If the genotype of a WWll rabbit is crossed with a wwLL then:
Parents: WWll >< wwwLL
Gametes: Wl><wL
Filial: WwLl
100% of their offspring will be white with long hair (WwLl)
If we cross two offspring to create a second generation (both WwLl), we get the following punnett squares:
Parents: WwLl >< WwLl
Gametes: WL, Wl, wL, w >< WL, Wl, wL, wl
Second Filial:
WWLL (white with long hair)
WWL (white with long hair)
WwLL (white with long hair)
Wwll (white with short hair)
WWL (white with long hair)
WWll (white with short hair)
Wwll (white with short hair)
Wwll (white with short hair)
WwLL (white with long hair)
WwLl (white with long hair)
wwLL (black with long hair)
wwLl (black with long hair)
WwLl (white with long hair)
Wwll (white with long hair)
wwlL (black with long hair)
wwll (black with short hair)
The phenotypic ratio of the second generation is 9 (white with long hair) : 3 white with short hair): 3 (black with long hair) : 1 (black with short hair)
The complete questions:
What if the bunnies I was breeding had the genotypes of WWll and wwLL. How many generations would I need to wait to get a short-haired black bunny? Use Punnett Squares to show why.
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Does losing weight help cardiovascular disease?
Yes, losing weight help with cardiovascular disease.
Even a modest amount of weight loss can have a significant positive effect on cardiovascular health, including enhancement of heart function, reduction in blood pressure, and acceleration of metabolic rate. The Washington University School of Medicine has a research program that is dedicated to understanding the complex relationship between weight and heart health.
The program's work demonstrates that the benefits of weight loss can persist even if some of the weight is regained and that the effort can not only prevent but also reverse significant health problems.
Even after an individual had stopped losing weight and gained a few pounds back, the benefits continued to accrue over the course of many months.
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Please help with this!
For a mutation to have an affect on the species as a whole, it must:
Be neutral and not affect the survival of the individual
Be inheritable and be able to be passed on to offspring
Be able to benefit the individual
Which of the following best describes the relationship between earthquakes and tsunamis?
A
An underwater earthquake can cause a tsunami.
B
Both are the result of big volcanic explosions.
C
Tsunami waves are the main cause of earthquakes.
D
Earthquakes prevent tsunamis from occurring
Option A. An underwater earthquake can cause a tsunami best describes the relationship between earthquakes and tsunamis.
What is an underwater earthquake or tsunami?An underwater earthquake or tsunami is a phenomenon in which an earthquake under the aquatic enviroment (i.e. the ocean) may cause the movement of higher waves that are transported to the coastline and thus they may cause neutral disasters, it is for that reason that tsunami is very dangerous and we need to be prepared under this type of situation when alerting the presence of an earthquake in the coastline zones.
Therefore, with this data, we can see that an underwater earthquake or tsunami is a natural phenomenon that may lead to climatic disasters and may be very harmful to human populations located on the coastline of a certain region of the earth, thereby we need to be prepared for these situations.
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According to the last resort requirement, weshould try "everything" short of war first.
True False
The statement that “we should try everything short of war first” according to the last resort requirement is true. This means that before resorting to war, all possible measures should be taken to find a peaceful solution to a problem.
The concept of the last resort requirement is rooted in the idea that war should be avoided at all costs. War is costly in terms of human life, economic resources, and social well-being. Therefore, it should only be used as a last resort when all other options have been exhausted. In other words, war should only be used as a last resort when a situation has become so dire that it is the only remaining option.
It is important to note that the last resort requirement does not mean that war should never be used. It simply means that all other options should be tried first before resorting to war. This can include diplomatic solutions, economic sanctions, and other forms of non-violent intervention. These measures should be used to try and resolve the conflict peacefully before resorting to war.
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Which of the following functions is controlled by the cell membrane?
a. excreting waste
b. producing energy
c. replicating DNA
d. assembling proteins
Give me the full meaning of the following questions
1) DNA
2) RNA
Answer:
down there.
Explanation:
DNA -> deoxyribonucleic Acid
RNA -> ribonucleic Acid
hence the full meaning of Dna and Rna
Explanation:
Abbreviation of DNA is Deoxyribonucleic acid.
DNA is a group of molecules that is responsible for carrying and transmitting the hereditary materials or the genetic instructions from parents to offsprings.
Abbreviation of RNA is Ribonucleic acid.
RNA helps in the synthesis of proteins in our body.
Match the functions.
1 .
brain
1
Voluntary muscle movements are controlled by the _______.
2 .
blink
The cardiac muscle in the heart is a(n) _______ muscle.
3 .
involuntary
The _______ muscle in the legs is a voluntary muscle.
4 .
smooth
When you move your arm, you using a(n) ________ muscle.
5 .
voluntary
The involuntary muscles in your intestines are ______ muscles.
6 .
striated
When you ______ you can use either involuntary or voluntary muscle movement
Answer:
1. Voluntary muscle movements are controlled by the Brain.
2. The cardiac muscle in the heart is a(n) involuntary muscle.
3. The striated muscle in the legs is a voluntary muscle.
4. When you move your arm, you using a(n) voluntary muscle.
5. The involuntary muscles in your intestines are smooth muscles.
6. When you blink you can use either involuntary or voluntary muscle movement
Environmental science is the study of
a.organismal relationships
b.human impact on the Earth
c.ecosystems
d.all of the above
Answer:
D.
Explanation:
All of the above since they all belong in environmental science.
Answer:
D it is D!
Explanation:
If over time, a population has a larger birth rate than death rate, what is happening to the size of that population?
- Staying the same over time
- Decreasing in size
- Decreasing first and then growing
- Growing in size
What is the relationship between III-1 to III-2
Answer:
III 2 IS THE HUSBAND OF III1