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romanna [79]
3 years ago
14

HELPP PLZ

Biology
1 answer:
Veseljchak [2.6K]3 years ago
6 0

Answer:

the corona

Explanation:

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Many pharmaceutical drugs specifically inhibit transcription in bacteria but not archaea or eukarya. why would drugs that inhibi
netineya [11]
Eu means true therefore it is known as eubacteria
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3 years ago
During a drought on the galapagos islands, finches with larger beaks were able to crack the large tough seeds produced by plants
TEA [102]

It is an example of directional selection.

The different kinds of natural selection can influence the distribution of phenotypes within a population. In stabilizing selection, an average phenotype is preferred.

In directional selection, a modification in the surrounding changes the spectrum of the observed phenotypes, and in diversifying selection the extreme values for a trait are preferred over the transitional values. This kind of selection usually pushes speciation.

The directional selection, in the field of population genetics, refers to a mode of natural selection in which an extreme phenotype is preferred over other phenotypes, making the allele frequency to change with time in the orientation of that phenotype.

3 0
3 years ago
Write the procedure to observe human cheek cell​
scoundrel [369]

Answer:

To observe the cheek cell,

  • Take a tooth pick use its blunt side to scrap inside the mouth.
  • You will see some deposition on the blunt side of tooth pick, make a smear on the clean slide in the center using that tooth pick.
  • Add a drop of methylene blue solution and place a coverslip, make sure that bubbles are avoided i.e. coverslip should be placed in the inclined manner.  
  • Remove the excess solution and observe it under the microscope first under 4X and then under 10X.

Observation:  

  • The cells observed are squamous epithelial cells. The small blue dots seen inside will be the bacteria from our teeth and mouth.
4 0
3 years ago
What is the next step in the process after a substrate enters the active site of an enzyme?
aliina [53]
I think the answer is : The enzyme and the substrate bind to form the enzyme-substrate complex :))
i hope this be helpful 
5 0
3 years ago
Read 2 more answers
© Why is untouchability wrong ? <br>​
nekit [7.7K]

Answer:

To understand “Untouchability” you need understand our varna-vyavastha or simply called “Caste System”. Caste does not mean or is not the right translation for Varna/Jaathi/etc….. We(Hindus) had our varna-vyavastha (vv) based on the persons capabilities/skill/knowledge/understanding nature/patience & many more…..

As a group head (village/society/land), people needed to be divided to different functions of life…..

To survive, we need food. So gatherers/foragers were formed. Slowly this group increased to others ways/modes of food gathering, such as farmers, shepherds, etc…

In the meantime, while few were producing/collecting food items, people were needed to manage the production & distribution.

Very good, so far. But, people can’t eat the same stuff, every day & do the same job, as well. Getting bored. So, intelligence/creativity was needed. People with innovative minds gathered together & formed certain recipes/methods/etc…. Slowly this became tradition/culture/etc.

Now comes the problem. Intelligent/Innovative people are good at this. “How to control them?” is the question. So people with creativity/innovation/intelligence/etc & physical skill/strength were required. They had knowledge of the previous 3-types of works of life. Additional qualification was their physical strength & skills. These were few who had the ability to hunt, as well. Be it day or night.

In every walk of life, there are people who make mistakes or commit a crime. These people need to be punished. But, if we keep them within the village/land premises, they might not realize their mistakes or repent for their crimes. So a separate location is required. Problem is, if we keep them enclosed outside of society like in a jail, they will behave/become more like animals/savages. It is human nature. So, a new society needs to be formed, where these people can make their living, but still face punishment.

These type of people are basically worker class. Hence, these were called Sudras/Soodras.

These type of people are merchants. Hence, these were called Vysyas.

These type of people are administrators. Hence, these were Brahmins.

These type of people are rulers/kings. Hence, these were Kshatriya. Kshatriya means one who has warrior/soldier/fighter qualities/capabilities/etc.

These type of people are outcasts. Hence, the “Untouchables”

8 0
3 years ago
Read 2 more answers
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