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OLga [1]
3 years ago
6

How does DNA analysis help scientists better understand evolution

Biology
1 answer:
SpyIntel [72]3 years ago
7 0
The scientist see the transmission of DNA in Genes
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In absence of oxygen yeast cells can obtain energy by fermentation resulting in the production of what
Troyanec [42]

Answer:

Anaerobically (in absence of oxygen), yeast cells may obtain energy by fermentation, resulting in the production of ATP, CO2 AND ETHANOL.

Explanation:

This is called ethanol fermentation or alcoholic fermentation where sugars such as glucose, fructose, and sucrose is converted into cellular energy (ATP), producing ethanol and carbon dioxide as by products.

4 0
3 years ago
The three most widely used psychoactive drugs in the world are
dem82 [27]
Alcohol,nicotine, and caffeine.
7 0
3 years ago
Read 2 more answers
Which statement best describes the organelles
Nonamiya [84]

Answer;

-Organelles must work together and their

activities must be coordinated


Explanation;

Eukaryotic cells contains membrane bound organelles unlike proteins which are specialized to specific functions inside the cells. Such organelles include; mitochondria, lysosomes, golgi apparatus, etc.

These organelles are bound inside cell to make it more efficient for the cell to carry all its functions with each organelle specializing in z specific function.

All the organelles work together and their activities must be coordinated to enhance smooth running of activities inside a cell.

5 0
4 years ago
Read 2 more answers
Calculate percentage change in mass for chip 5
ohaa [14]

Answer:

The correct answer is - 14.41%.

Explanation:

Given:

The initial mass of chip 5 -

end mass of chip 5 -

Percent Change in Mass =  /

Formula used:

Mass Difference= Final Mass- Initial Mass

Percent Change in Mass = (Mass Difference/Initial Mass) *100

Solution:

Putting the value in the formula:

Mass Difference = 2.15 - 1.84

= 0.31

Percent Change in Mass = (0.31/2.15)*100

= 14.41

Thus, the correct answer is - 14.41.

4 0
3 years ago
Cancer cells are rogue cells. List and explain 3 mutations that allow cancer cells to occur:
LuckyWell [14K]
Cancer is unchecked cell growth. Mutations in genes can cause cancer by accelerating cell division rates or inhibiting normal controls on the system, such as cell cycle arrest or programmed cell death. As a mass of cancerous cells grows, it can develop into a tumor
4 0
3 years ago
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