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Ilia_Sergeevich [38]
3 years ago
6

I don't understand this can someone plz do an example for me

Biology
1 answer:
aleksley [76]3 years ago
5 0

Answer:

Physical geography is the branch of natural science which deals with the study of processes and patterns in the natural environment such as the atmosphere, hydrosphere, biosphere, and geosphere, as opposed to the cultural or built environment, the domain of human geography.

Human geography or anthropogeography is the branch of geography that deals with humans and their communities, cultures, economies, and interactions with the environment by studying their relations with and across locations.

Explanation:

Human geography is concerned with the spatial aspects of human existence. Physical geographers study patterns of climates, land forms, vegetation, soils, and water.

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HELP ME ASAP!!!!!!!!!!!!!!!!
fredd [130]

28. <u>Answer</u>: All mutations do not affect the organisms due to the following reasons:-

1. The DNA consists of both coding and non coding regions. The coding regions are known as exons and non coding regions are called as introns. The <em>non coding regions </em>do not make up the protein. Thus, if the mutations occur in non coding regions they do not affect the organism.

2. There are some mutations that result in the change of the codon but the new codon formed codes for the same amino as the previous one. This is possible because of the degeneracy of genetic code. For eg, AAA codes for lysine, however if the mutation changes this code to AAU then this also codes for lysine. Such mutations are called as <em>silent</em> mutations.

3. There are some mutations which result in the change in amino acid however the new amino acid formed is similar to the previous one in its properties for e.g leucine and isoleucine. Such mutations are called as <em>neutral</em> mutations and they do not affect the organism


29. <u>Answer</u>: 1. The process of mitosis results in the formation of <em>two diploid cells</em> whereas meiosis results in the formation of <em>4 haploid cells.</em>

2. The process of mitosis takes place to produce copies of the <em>body cells </em>whereas the process of meiosis takes place to produce the <em>gametes</em>.

<u>Explanation</u>:-

  • <u>Mitosis</u> is a process in which a cell undergoes a single round of division to produce two identical copies of itself . It occurs in 4 phases Prophase, metaphase, anaphase and telophase. This process occurs in the body cells.
  • <u>Meiosis</u> is a process in which a cell undergoes two rounds of cell division to produce 4 copies of haploid cells from a single diploid cell. This process takes place for the formation of gametes.

29. <u>Answer</u>:

<em>Pros</em>

1. Genetic engineering helps us to tackle several diseases. There are many diseases which are caused due to genetic mutations. Genetic engineering helps us to rectify these mutations and hence combat such diseases.

2. Genetic engineering helps us to produce new foods which can withstand adverse conditions such as high/low temperatures, low rainfall, are disease and pest resistant etc. This, genetic engineering helps to significantly improve crop production.

<em>Cons</em>

1. Genetic engineering leads to a decrease in genetic diversity.

2. It can lead to a decrease in the nutritional value of food as genetic engineering often causes an accelerated growth of animals and hence, the nutritional valie of poultry foods is compromised.


3 0
3 years ago
Galaxies moving away from us will emit light that is redder than we would otherwise expect
Alekssandra [29.7K]
This is true, for it is called redshift
3 0
3 years ago
If you were a biochemical engineer, what would you want to research?​
Usimov [2.4K]

Answer: Biochemical engineers conduct studies on cells, proteins, viruses, or other biological substances to determine optimal conditions for growth or inhibitors that can stop or kill. They develop and conduct experiments to observe interactions of raw materials with each other and in specific environments.

Explanation: Hope this helps :)

4 0
3 years ago
Which correctly lists three features of a rock's grains that determine its texture?
kenny6666 [7]

Answer:

shape, pattern, size i took the test

Explanation:

7 0
3 years ago
4. Which statements are true of the bone tissue? *
DedPeter [7]

Answer:

Explanation:

bone is awalys thivk and heavy

4 0
3 years ago
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