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Fantom [35]
3 years ago
7

Where is the youngest rock in the Atlantic Ocean found? plz hurry

Biology
1 answer:
Zielflug [23.3K]3 years ago
3 0

Answer:

Mid-Atlantic Ridge

Explanation:

This is because they are deep down, near the earth's crust .

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Gene mutations can be positive, negative, or neutral. Suppose that the normal gene in Model 2 produced a polypeptide that was ne
Zolol [24]

Gene mutations can be positive, negative, or neutral. Suppose that the normal gene in Model 2 produced a polypeptide that was necessary for cellular respiration.

A) Choose a mutation from those in Model 2 that might be positive for a cell. Explain your reasoning by relating the mutation to the cellular respiration process.

Genes encoded in our DNA result in the production of proteins that perform specific functions  within human's cells and various environmental factors and spontaneous events can lead to changes in genes, these changes are called mutations, can lead to alterations in the structure and activity of the proteins in the cells use. Mutations are the source of all new alleles in nature and arise spontaneously at low frequency owing to the chemical instability of purine and pyrimidine bases and to errors during DNA replication. Therefore,a gene mutation is a change in the sequence of nucleotides that occurs during cell replication  (mitosis and meiosis) within a single coding section of DNA. Variations in alleles lead to variations in organisms  within a population, cellular respiration, i.e. the reduction of inspired oxygen to water, which powers cell function, also generates highly reactive oxygen species that can damage DNA, with the purine bases G and A being particularly susceptible to this kind of attack,so Positive mutations lead to the organism having a better chance of survival, which  means the mutation may be passed on to the offspring.

B) Choose a mutation from those in Model 2 that might be negative for a cell. Explain your reasoning by relating the mutation to the cellular respiration process.

Due to one's metabolism, the human body replaces every cell within the cellular respiration process and any mistakes can also occur in the  transcription of mRNA or the translation of a polypeptide. However, these changes are considered to be negative mutations, because they are not permanent changes to the cell, however such mutations may lead to an early death probably before the organism can produce offspring.

3 0
3 years ago
How do daughter cells that result from mitosis and meiosis differ?​
dmitriy555 [2]

Answer:

Mitosis has 2 daughter cells as a result and meiosis has 4 daughter cells as a result.

Explanation:

meiosis doubles from mitosis

3 0
2 years ago
"You are in your room listening to music and, realize you are thirsty, you can feel that your soda is no longer cold, and you de
Effectus [21]

Answer:

A central nervous system is consist of brain and spinal cord. The brain is made of the cerebrum, cerebellum, and brain stem.

The parts of the central nervous system involved in given behaviors are as follows:

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  • <u>Decide to invite a friend over: </u>The cerebrum functions for thinking and decision making.

3 0
3 years ago
If modern organisms have a lot of homologous structures, what inference
Alexeev081 [22]

Answer:

The organisms have a common ancestor  

Explanation:

Homologues structyres conclude that organisms of different species share structures, making them all have some sort of common ancestor

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Every Cell has<br><br>A cell wall<br>Cytoplasm<br>Both 1 and 2
givi [52]
Every cell has a cytoplasm
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3 years ago
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