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Vera_Pavlovna [14]
1 year ago
12

Radiation can cause breaks in human chromosomes. However, insects can survive much higher lecels of exposure. Why?

Biology
1 answer:
galben [10]1 year ago
4 0

Explanation:

The influence from radioactivity is inversely proportional to the number of chromosomes , since , humans have more DNA , chromosomes than the insects , and  therefore , due to less chromosomes in insects , they are more resistant towards radioactivity .

As the target of the radiation is the DNA .

Hence , It is clear that insect due to lesser DNA are less prone to Radiations .

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These images both represent years with strong El Niño events. What information from the images correlates with the factors that
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The answer is; warming of ocean water in the east of the Pacific Ocean close to the western coasts of South America.

The warming of the oceanic waters causes a current that pushes the warm waters eastwards of the Pacific Ocean at the equator.  This counters and overpowers the prevailing trade winds that blow westwards. The currents bring in storms on the West coast of South America as the currents exchange heat with the atmosphere .


8 0
1 year ago
Which phrases correspond to "spontaneous generation?"?
vova2212 [387]

Answer:

2 & 4

Explanation:

The theory of spontaneous generation stipulated that life emanated spontaneously from ‘nothing’. This was believed to be true until Francesco Redi & Luis Pasteur later falsified this theory using an experiment. He had two plates of cooked meat. He covered one with a glass bowl and left the other open. The plate with a bowl did not develop maggots while the open one did. This showed that maggot was as a result of hatched eggs that were deposited by flies. Life, therefore, emanates from life.

4 0
1 year ago
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Why does it make metabolic sense for the same hormone signal to stimulate glycogenolysis and inhibit glycolysis in the liver whi
Debora [2.8K]

This is because if the two  metabolic processes were to be  active at at the same time;  

Two molecules of<u> ATPs</u> and <u>Guanosine triphophate </u>(sometimes used for  energy transport) <u>will be expended per each cycle, with no  compensatory rate  of replacements present  at the moment in the cell,this  affects cell metabolism for energy availability</u>

<u>2</u> Both<u> Glycolysis and Gluconeogensis </u>are both<u> exergonic processes  in cells. </u> The  heat energy liberated from these Calorinogenic effects  will be higher than what the natural thermodynamic barrier of cells can withstand. Consequently;  the heat will raise temperature of the cells affecting metabolic activities of hormones and enzymes which are (proteins) ,and easily denature by high temperatures.    

However, in muscles cells,gluconeogeneis is a compensasory process of Glycolysis. This because during active exercise with high metabolic demand in muscles cells, glucose is rapidly metabolise  to to pyruvate,(but not at the rate that the Citric acid  cycle can  metabolise) for Lactic acid production by muscles cells for energy production.  Pyruvate must be broken down rapidly so that NAD+ will be available for  Glycolysis to continue. Therefore  to sustain Glycolysis at this rate  continuous supply of glucose is supplied  from Gluconeogenesis.

8 0
1 year ago
Termites are unable to digest some plant materials (fiber). Termite stomachs contain bacteria that digest the fiber in wood for
kykrilka [37]
The answer is mutualism
7 0
1 year ago
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you go out to dinner with your best friend. during dinner you consume the following meal: spinach green with sunflower seeds, a
Georgia [21]

Answer:

The biology Molecules that will.be present in what she consumed are Carbohydrates from unbuttered bread, vitamins green spinach, Fat and oil or lipids from sunflower seeds, proteins...

The Carbohydrates is processed into glucose, proteins is processed into amino acids, lipids is processed into fatty acids and glycerol.

Explanation:

From the food consumed, The biology Molecules that will.be present in what she consumed are Carbohydrates from unbuttered bread, green spinach contains vitamins like vitamin K, vitamin A, vitamin C, vitamin B12 , minerals like magnesium, iron, Fat and oil or lipids from sunflower seeds, proteins...

The Carbohydrates is processed into glucose after enzymes like salivary amylase acts on it from the chewing and in the stomach which produces glucose which makes it easily absorbable , proteins is processed into amino acids by the activity of hydrochloric acids and protease that processed it into amino acids, lipids is processed into fatty acids and glycerol by the activities of the enzymes lipase.

The minerals and vitamins present are in a way they can be absorbed.

8 0
2 years ago
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