Which of the following is not an application of DNA technology? A. selection of desired traits in breeding B. detection of genetic illnesses C. replacement of faulty copies of genes D. production of genetically modified crops with greater nutritional value E. determination of identity of criminals through DNA profiling
Answers
The correct answer to this question is option A, selection of macronutrients in breeding. DNA technology has revolutionized many fields, including agriculture, medicine, and criminal justice.
One of the key applications of DNA technology is the detection of genetic illnesses, which allows for early diagnosis and treatment. Another important application is the replacement of faulty copies of genes, which has the potential to cure genetic diseases. DNA technology is also used to produce genetically modified crops with greater nutritional value, which can help to address issues related to food security and malnutrition. Finally, DNA profiling is used to determine the identity of criminals, which has become an important tool in law enforcement. While DNA technology can be used to study traits in breeding, it is not typically used to select for specific traits in the way that traditional breeding methods are used. Instead, DNA technology is used to study the genetic basis of traits, which can help breeders to make more informed decisions.
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Related Questions
Can someone help me please ?
Answers
Answer:
Purified water is good because it does not have the toxins,But for the animals the are used to drinking that
Explanation:
Use the same article to answer the following question. Strongest Muscle Explain why the external eye muscle can be considered the muscle with the greatest dynamic strength.
Answers
The external eye muscle, also known as the lateral rectus muscle, can be considered the muscle with the greatest dynamic strength because it is responsible for the rapid and precise movements of the eye.
The external eye muscle is specifically designed to control the movement of the eye horizontally, allowing us to look sideways. This muscle is relatively small compared to other muscles in the body but has an exceptional capacity for dynamic strength. It is composed of fast-twitch muscle fibers, which are optimized for rapid contractions and movements. These fibers enable the eye to move quickly and accurately, allowing us to track moving objects and shift our gaze rapidly. The dynamic strength of the external eye muscle is essential for our vision and eye coordination.
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Describe what happens when blood glucose levels are not kept stable.
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Blood glucose levels should be kept stable in the body because :-
A rise in glucose level can cause diabetes mellitus or simply diabetes due to too much glucose in the blood stream.In this patients pass urine too much loaded with sugar. Also he feels thirsty due to too much loss of water and becomes weaker and weaker.A fall in glucose level can cause hypoglycemia.
Even a little fall of glucose level in the bloodstream can bring a patient in a state of coma. The person gets frequent headaches, vomiting, dizziness, etc.The regualtion of glucose in the body is done by two main hormones secreted by an endocrine gland called pancreas.
These two hormones are - Insulin and Glucagon.Insulin lowers the glucose level in the body whereas, Glucagon helps in increasing it.Therefore, the glucose level should be always kept stable in the body.
Explanation:
Hope it helps you!!During which cell cycle stage is a cell plate Present and what is its purpose
Answers
Which organisms are more closely related, [bears and lizards] or [bears and newts]? How do you know?
![Which organisms are more closely related, [bears and lizards] or [bears and newts]? How do you know?](https://i5t5.c14.e2-1.dev/h-images-qa/contents/attachments/bfH8ikmrUpvV1tL8Kc7zAT1FBhW9sJaV.png)
Answers
Answer:
Bears and lizards are more closely related.
Explanation:
The chart shows the branches of the species. The relativity of each species to each other shows how closely related they are.
organisms that are placed close to each other and have a nearly common ancestor have some similarities, so the bear and the lizard are closer to each other than the newt because they are closely present in the cladogram.
What is the cladogram?The cladogram is the diagrammatic representation of the animals and shows how the organisms have evolved and their special traits. This cladogram explains how the species show commonness and difference, such as the bear and the chimpanzee, which are both derived from the common mammal ancestor.
From the common amneote ancestor, the lizard, bear, and chimpanzee are descended, so they all have the traits of the amneote. From a common tetrapod ancestor, the newt, the lizard, the bear, and the chimpanzee are derived, and all have some characteristic of the tetrapoda.
Hence, the bear and the lizard are closer to each other than the newt because they are both present closely in the cladogram.
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HELPPP PLEASE AND THANK YOU
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Answer:
its c or a i think
Explanation:
list the cell organelles and their functions
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a part of the cell containing DNA also dictates what other organelles do
Endoplasmic Rectilium
This cell makes lipids and other chemicals.
Golgi Apparatus
Packages products to their final form. Sends out products to other cells
Mitochondria
Breaks down sugar to create ATP. Also holds its own DNA.
Plasma Membrane
Gets nutrients in and waste out
Chloroplast
Contains chlorophyll which does photosysnthesis. Also holds its own DNA
Cytoskeleton
Maintains cell shape, and enables cellular motion
Lysososmes
Digest excess or worn out organells, food, particles, and engulf bacteria or viruses
Vacuoles
Store food and water
Centrioles
Line up chromosomes in a cell
Cilia & Flagella
Assist in movement
Ribosomes
Synthesize proteins from amino acids
A stickleback fish will attack a fish model as long as the model has red coloring. What animal behavior idea is manifested by this observation? A) sign stimulus
B) cognition
C) imprinting
D) classical conditioning
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The animal behavior idea is manifested by this observation is A) sign stimulus
What does animal behavior's stimulus mean?A stimulus is an environmental change that causes a behavioural reaction. It may be something that an animal's senses pick up on, such an object or an occurrence. The sound of a prospective predator, the fragrance of a partner, or the sight of food are examples of stimuli.
It is a kind of energy, like the waves of light or the vibrations of music. All creatures except the smallest ones use specific cells called receptors, which are dispersed throughout the body, to respond to stimuli like light, sound, taste, touch, or smell.
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Which part of Pakicetus anatomy most suggests that it is an ancestor of whales?
OPTIONS
Eyes near the top of the head
Ears adapted partly for hearing underwater
Teeth consistent with a carnivorous diet
Four legs
Answers
The part of Pakicetus anatomy that most suggest it is an ancestor of whales is ears adapted partly for hearing underwater.
Pakicetus is an extinct early mammal believed to be closely related to the ancestral line of whales. One of the key pieces of evidence supporting this relationship is the structure of its ears. Pakicetus had specialized ear bones that show adaptations for hearing underwater.
The ear structure of Pakicetus contains a specialized bone known as the involucrum, which is similar to the ear bones found in modern whales. The involucrum is thickened and dense, indicating adaptations for underwater hearing. This adaptation suggests that Pakicetus and its descendants gradually transitioned to an aquatic lifestyle and relied on hearing underwater, a feature that is prominent in modern whales.
While other options, such as eyes near the top of the head and teeth consistent with a carnivorous diet, may also be present in whales, it is the presence of ears adapted for hearing underwater that provides strong evidence of the evolutionary link between Pakicetus and the ancestors of whales.
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1. Energy transfer is inefficient between trophic levels because
A. Molecules are fully digested from each trophic level.
B. Dead organisms and waste are recycled throughout the trophic levels.
C. Organisms within a trophic level are fully consumed.
D. All organisms within a trophic level die.
2. Primary productivity is defined as
A. The rate that plants and other photosynthesis organisms produce organic compounds.
B. The process where green plants and some other organisms convert light energy into chemical energy using carbon dioxide and water.
C. The overall amount of energy captured by plants and other photosynthetic organisms by the chloroplast.
D. The adjusted amount of energy in an ecosystem due to energy use by organisms for respiration.
Thanks if you help, It's highly appreciated. :-)
Answers
Answer: b dead organisms And waste are recycled throughout the tropic levels.
Explanation:
Answer:
part 2
the rate that plants and other photosynthetic organisms produce organic compounds.
Explanation:
:)
The previous slide showed that pumas, black bears, wolves, and coyotes compete against each other to eat deer. What are two or more other species that all four of these predators also prey upon?
Answers
Other than deer, carnivores like wolves, black bears, coyotes and pumas also feed on other species like elks and moose.
Predator-prey relationship basically refer to the interactions which take place between two species in which one species is the one being hunted as food source for the other species. The organism which feeds on the other species is known as the predator and the organism that gets fed upon is known as the prey.
This relationship is very important as it keeps the population of the prey in check. Sometimes multiple predators prey on the same species for example wolves, black bears, coyotes and pumas feed on deer, elks and moose.
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What is an ecological footprint and how is it calculated?
Answers
The Ecological Footprint is a combination of all the things we do that require us to draw on natural resources. It includes the impact on our homes (e.g. the oil, gas, and electricity we use), transport (e.g. car, train, and plane trips), food (e.g. land under cultivation and fertilizers), and consumer goods (e.g. fossil fuel energy used to make and transport goods).
Calculation:
Ecological footprints are measured in global hectares (gha) – the amount of bio-productive land and sea available on the planet. We can calculate our footprint by adding up the hectares it takes to grow our food and farm the animals we eat, the hectares our house stands on; the hectares that oil refineries and other energy infrastructure we depend on take up, and the hectares of forest that would be needed to absorb the CO2 emitted by our fuels; a share of the hectares taken up by our roads; and everything else we do that has an impact on the planet’s ecology.
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In the nephron, the highest concentration of salt is found surrounding the
Select one:
a. loop of Henle.
b. Bowman's capsule.
c. distal convoluted tubule.
d. proximal convoluted tubule.
Answers
Answer:
The correct answer is - distal convoluted tubule.
Explanation:
Proximal convoluted has the maximum amount of reabsorption and the least amount of salt reabsorption. There will be the maximum amount of salt inside the proximal convoluted tubule as it absorbs most of the salt concentration. Whereas distal proximal tubules have more salt concentration in the surrounding area as they are not able to absorb salt in comparison to the other parts of the nephron.
The correct answer is - distal convoluted tubule.
Which statement is true about macromolecules ?
A. Simple sugars are made of polysaccharides .
B. Glycerol is made of fatty acids .
C. Proteins are made of amino acids .
D. Nucleotides are made of nucleic acids .
Answers
Which molecule is a source of energy, a store of energy and can mix with water?
Answers
Answer:
carbohydrates
Explanation:
Molecules made up of sugars. Cells use carbohydrates as a source of energy and for energy storage.
Your colleague has collected some sediments from a mangrove swamp and then grows the bacteria from those sediments on an agar plate to determine the concentration of bacteria in those sediments.
a) Describe why the resulting bacterial concentration is an underestimate of the actual concentration of bacteria in those sediments.
b) State what method they should have used instead to more accurately determine the bacterial concentration.
Answers
From the question;
1) It may have been underestimated sue to visibility bias
2) The method of direct microscopic count or direct cell count can be employed.
What about the bacteria?On the particular agar medium employed, not all bacteria contained in the sediments may be viable or able to grow. Some bacteria might no longer be culturable or in a dormant state, which limits their capacity to grow into colonies on the agar plate. This viability bias may lead to the underestimate of the bacterial population by excluding a sizable fraction of it.
A direct microscopic count entails using a microscope to directly observe and count bacterial cells. Without the bias imposed by culture-based approaches, it provides a more thorough count of bacterial cells, including viable and non-viable cells.
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How are soluble food molecules absorbed into the epithelial cells of the small intestine
Answers
Soluble food molecules are absorbed into the epithelial cells of the small intestine through the process of diffusion and active transport.
Describe conduction and give an example
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Answer:
conduction is a process of transferring of heat and charge when two body kept in contact with each other
example = when we touch a heat metal with another metal then we feel heat
transfer of heat taken place
Which phase occurs directly after G2?
A. S phase
B. G1
C. Cytokinesis
D. M phase
Answers
Answer:
The phase which occurs after G2 of the cell life cycle is the M phase, also known as Mitotic or Meiotic phase.
You are studying a population of Dlugosch’s Small Octopus that has been suffering from a skin disease. In your work, you find that some individuals have more resistance (immunity) to the disease than others. You remember learning about life history trade-offs in your Ecology class, and you hypothesize that immunity trades off with investments in other major life history traits in the octopuses. You decide to design a study to test whether higher immunity leads to a lower number of eggs produced by females.
9. State a prediction for what the results of your study would look like if they support the hypothesis given in the Mission.
Make a figure of results that would be consistent with that prediction:
Label y axis with the variable that should be on the
Label x axis with the variable that should be on the
Draw results bars or lines consistent with your prediction
If the infection reduces the population size of the octopus, would you predict an r or a K strategy would be more likely to evolve (based on what we discussed in class)? Explain why that life history strategy would be favored in a small population, and give at least two traits associated with the strategy that you predict.
Answers
If higher immunity leads to a lower number of eggs produced by females in Dlugosch's Small Octopus, then there will be a negative correlation between immunity level and egg production.
A K approach would be more likely to develop if the illness causes the octopus population to decline. Resources are few in a tiny community, therefore long-term stability and survival are prioritized over rapid population expansion. The K approach emphasizes having fewer kids while allocating more resources to ensuring their survival and welfare. In a small population, the following two characteristics connected to a K strategy might be more prevalent:
Increased parental care: Parents invest more time and resources in raising a smaller number of offspring to increase their chances of survival and reproductive success.
Delayed maturation: Individuals take longer to reach reproductive maturity, allowing them to invest more time in growth, development, and building up resources before reproduction.
These traits help ensure the survival and success of the limited number of offspring in a small population, aligning with the K-selected life history strategy.
In this figure, the y-axis represents the number of eggs produced by females, and the x-axis represents the immunity level of the octopuses. The bars or lines would show a decreasing trend as the immunity level increases, indicating a negative relationship between immunity and egg production.
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How do catalysts affect the energy of reactions?
Answers
Answer:
They affect the energy of reactions by allowing the reactions to use less energy.
Explanation:
Catalysts help speed up the rate of a reaction. Since energy is used to undergo a reaction, if a catalyst is present, it will help the reaction speed up, allowing it to use less energy without changing the reaction reactants or products.
In an effort to better understand and combat a malaria outbreak in kenya, public health researchers were able to map the spread of the disease by monitoring the content of:_______
Answers
In an effort to better understand and combat a malaria outbreak in Kenya, public health researchers were able to map the spread of the disease by monitoring the content of mosquito populations.
Mosquitoes are the primary carriers of the malaria parasite, and studying their behavior and distribution patterns can provide valuable insights into the transmission dynamics of the disease. By collecting data on mosquito populations, researchers can identify high-risk areas and target interventions such as insecticide-treated bed nets, indoor residual spraying, and larval control measures. Additionally, researchers also monitor human cases of malaria by tracking the number of reported infections and their geographical locations. This data is then analyzed to create maps that illustrate the distribution and intensity of malaria transmission in different regions. Understanding the spread of malaria helps public health officials implement targeted prevention and control strategies, ultimately reducing the burden of the disease on affected communities.
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Exhaust from motor vehicles is the number one cause of what?
carbon monoxide pollution
acid rain
mercury poisoning
sulfur dioxide pollution
Answers
Answer:
A. Carbon monoxide pollution
Answer: Motor vehicle exhaust is the most common factor leading to carbon monoxide poisoning
Explanation: People drive every day to go do daily activities, while driving is an efficient way of traveling long distances quickly, it runs off of fossil fuels which the waste product of is horrible for the environment.
Which of the following statements correctly defines geology?
a). It is the scientific study of the history of Earth and the processes that shape it
b). It is the scientific study of the history of the solar system and the process that shape it
c). It is the scientific study of the development of life on Earth and the processes that change it
d). It is the scientific study of the structure of Earth's atmosphere and the processes that change it
Answers
Answer:
A.
Explanation:
A). It is the scientific study of the history of Earth and the processes that shape it.
the episode opens with a story about charles darwin. darwin has countless notebooks of scientific observations over years and years. but historians discovered that one one page, among all of these scientific notes, there is a page of more personal notes in which darwin is making a decision. what is charles darwin trying to decide about? what technique is he using to make this decision? what does steven johnson think about this decision making technique in general?
Answers
The decision that Darwin was trying to make was about marrying his cousin Emma. The technique that he was trying to use when making this decision was “Balance Sheet Close and Decision Making” Steven Johnson thinks that his decision-making technique in general was difficult to follow.
What was the decision that Darwin had to make?The decision that Charles Darwin had to make was that of marrying his cousin named Emma. Charles thought about this matter closely because there were negative genetic effects that could arise from marrying a member of one's household.
So, to arrive at this decision, he used the Balance Sheet Close and Decision-Making technique.
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Arrange the following in order, from smallest to largest and define each and give an example of each:
A. Ecosystem
B. Population
C. Biome
D. Organism
E. Community
Answers
D, B, E, A, C , is listed as smallest to largest
Definitions:
A population is a group of individuals within the same species, within the same area, and that are capable of reproducing with one another.
A community is a defined as the populations of two or more species within the same geographical area and within the same time period.
An ecosystem is a community along with its abiotic (non-living) components, such as the water and air.
A biome is a large ecological area with similar climatic conditions. A biome can have multiple ecosystems within it.
Organism is a animal, plant or single felled life form.
what effect does reusing or recycling municipal waste have on environmental resources?
Answers
By reusing and recycling MSW items, we can make supplies of nonrenewable resources last longer, save ourselves money, and reduce solid waste and pollution.
Do you think a virus should be considered a living thing? Why or why not?
Answers
Answer:
no
Explanation:
bc you can easily die from it if you have a disease or a condition. and you have newborns that are not immune into the world yet so they can get rlly sick from any virus.
PLEASE HELP ME FIGURE OUT THIS PRACTICE TEST QUESTION PLEASEEEEE
Answers
Answer:
the answer would be B
Explanation
Which of the following is not a characteristic of a Gas Giant?
rocky crust
large in size
composed of light elements
low density
Answers
Explanation:
rocky crust
that is why it is called a gas giant