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3 years ago

How has nearly all the food we eat been "genetically modified" in the broadest sense of the term?

1 answer:

3 0

In the broadest sense of the term, we have modified the genes of almost everything. We used selective breeding to breed the most resistant form of crops, the largest sized chickens, and others. In recent years we have even modified them through gene splicing and other methods. Nearly everything we eat, including including "organic" foods have been changed from their original DNA structure, in fact we do not even know anything's original genetic structure because of this. Genetic modification could also include mutations. Some crops have mutated due to pollution, disease, or other effects such as climate change. Without genetic modification our world would differ from what it looks like today.

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Eutrophication results in the death of trout and other fish as a result of

Darya [45]

Eutrophication results in the death of trout and other fish as a result of asphyxiation from the lack of oxygen. Eutrophication involves the enrichment of water by nutrients salts such as phosphates, nitrates among others, that causes structural changes of the aquatic ecosystem such as; increased production of algae and aquatic plants, depletion of fish species, deterioration of water quality and other effects that impact negatively the aquatic ecosystem.

4 0

3 years ago

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categorize the following characteristics based on whether they are describing chloroplasts or mitochondria.

Ghella [55]

The categorization of the characteristics based on whether they are describing chloroplasts or mitochondria are as follows:

<u>Mitochondria:</u> carry out cellular respiration.
<u>Chloroplasts:</u> carry out photosynthesis.
<u>Mitochondria:</u> found in plant and animal cells.
<u>Chloroplasts:</u> produce carbohydrates used as source of food for most living things.
<u>Mitochondria:</u> abundant in human muscle cells.
<u>Chloroplasts:</u> not found in animal cells.
<u>Chloroplasts:</u> contain chlorophyll.

A cell can be defined as the fundamental functional, structural and smallest unit of life, which is found within the body of an organism.

Some examples of cell organelles that are found in the body of an organism include the following:

Mitochondria.
Nucleus.
Endoplasmic reticulum (ER).
Vesicles.
Cytoplasm.
Cell membrane.
Chromosome.
Golgi apparatus (bodies).
Chloroplast

<h3>What is mitochondria?</h3>

Mitochondria can be defined as one of the cell organelles that is found in the body of a living organism.

Also, mitochondria is known as the powerhouse because it is saddled with responsibility of providing all the energy required in the cell, especially by transforming energy forms through series of chemical reactions.

Read more on mitochondria here: brainly.com/question/14861274

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<u>Complete Question:</u>

Categorize the following characteristics based on whether they are describing chloroplasts or mitochondria.

Chloroplasts Mitochondria

Carry out cellular respiration

Carry out photosynthesis

Found in plant and animal cells

Produce carbohydrates used as source of food for most living things

Abundant in human muscle cells

Not found in animal cells

Contain chlorophyll

3 0

1 year ago

If 1000 f2 offspring are obtained, how many flies of each phenotype are expected?

aniked [119]

<span>In Drosophila + indicates wild-type allele for any gene, m is mahogany and e is ebony. Female parents are m+/m+ and males are +e/+e. F1 are m+/+e, all wild type. F1 females are crossed with me/me males - the test cross. Offspring will be : non recombinant m+/me, mahogany wild type or +e/me wild type ebony. OR recombinant me/me mahogany ebony or ++/++ wild type. As the two genes are 25 map units apart, the percentage of recombinants will be 25% and therefore percentage parental types will be 75%. 75% 1000 is 750. There are two parental types, so you would expect 375 of each. Therefore, you would expect 375 m+/me and 375 +e/me. 25% of 1000 is 250 split between two recombinants =125 of each. Therefore you would expect 135 me/me and 125 ++/++</span>

7 0

3 years ago

One example of poaching that is prevalent in your area

Gnom [1K]

Poaching of the tiger is very common in India and has very badly affected the population of the tiger. They are mainly slaughtered for their skin, bones, burnt hair, whiskers, etc. Poaching of other animals such as elephants, lions, etc is also very common. It's a shame on human beings to kill animals for their selfish motives.

4 0

3 years ago

T or F : HIV is able to make copies of itself without the aid of another organism

katrin [286]

Answer: False. HIV cannot reproduce on its own.

6 0

2 years ago

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