Answer;
The important role of experience in wiring the brain
Explanation;
-Brain development involves creating, strengthening, and discarding connections among the neurons; these connections are called synapses.
-These synapses organize the brain by forming pathways that connect the parts of the brain governing what we do.
-At birth the synapses present are those governing our bodily functions such as heart rate, breathing, eating, and sleeping.
Answer:
- allows fuels to burn forms
- is the gas that animals breathe
- forms ozone that absorbs the Sun's harmful rays
Explanation:
Oxygen is a powerful oxidizer (oxidizing agent or oxidant) that burns the fossil fuel, reacts with carbon, and produce CO2/CO. Although, it is not a sole oxidizer available on Earth but 99.9% of combustion reactions takes place in the presence of oxygen. It does the job by accepting electrons very fast in its valence shell.
Animals use oxygen to breath which produces ATPs through a series of chemical reactions particularly in electron transport chain. Again, it acts as a oxidizer and accepts electron in the electron transport chain. This gradient of electron flow is necessary for ATP production. In the end, water and CO2 are produced with ATPs.
Oxygen molecules in the stratosphere reacts with solar radiation (UV) and produce oxygen atoms. Thereon, each atom reacts further with the oxygen molecule to produce ozone. Ozone layer acts as a shield and doesn't allow penetration of harmful rays to the biosphere where living organisms are present.
Well, the respiratory system is responsible for bringing oxygen into the body. Blood passes in capillaries in the lungs and picks up the oxygen. Blood carries oxygen to different parts of the body. Then the blood take carbon dioxide, a waste gas, back to the lungs. Then the lungs expel the carbon dioxide when you exhale.
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0.25
Proportion of offspring we expect will be resistant is 0.25
<h3>What is meant by specific loci?</h3>
A locus is a fixed, specific location on a chromosome where a certain gene or genetic marker is found in genetics.
- We looked at any connections that might exist between the usage of insecticides in agriculture and the development of insecticide resistance.
- Anopheles gambiae strains that are widely recognized and replicated mosquito larval environments were used in bioassays.
- Insecticide-used sites, sites where they had not been used for two months, and sites where they had not been used at all were all sampled for soil in Benin's vegetable-growing regions.
- When exposed to soil that had previously been treated with insecticides, pyrethroid-susceptible strains' pupation and emergence rates were extremely low.
- Pupation and emergence rates were much greater in strains with the kdr mutation alone or in combination with the Ace-1 mutation.
- In general, strains with the kdr mutation outlived those without it more frequently.
- Despite the observational nature of our study, we give indirect evidence that agricultural soils contain pesticide residues that may contribute to the development of insecticide resistance in Anopheles.
- To more effectively use the insecticide within the framework of integrated pest control programs, this element should be taken into consideration.
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