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Kruka [31]
3 years ago
11

Dioxin, produced as a by-product of various industrial chemical processes, is suspected of contributing to the development of ca

ncer and birth defects in animals and humans. It apparently acts by entering cells by simple diffusion and binding to proteins in the cytoplasm, then altering the pattern of gene expression. What is likely to be the cytoplasmic proteins to which dioxin binds?
Biology
1 answer:
Degger [83]3 years ago
7 0

Answer: Transcription factors

Explanation:  

The dioxin enters the blood stream and the fat cells and liver cells store it.

While moving inside the cell the dioxin binds to the protein called Aryl hydrocarbon which then binds to the second receptor.  

The complex is then carried to the nucleus of the cell. This tends to on and off certain genes.

This turning on and off of the genes in the cell can lead to serious diseases like cancer, decreased immune function, et cetera.

You might be interested in
The genes for miniature wings (m) and garnet eyes (g) are approximately 8 map units apart on chromosome 1 in Drosophila. Phenoty
Anestetic [448]

The following phenotypic classes reflect offspring that were generated as a result of a crossover event

  • wild type
  • miniature wings
  • garnet eyes

Explanation:

When the miniature wings and garnet eyes links up with the 8 map unit that are present between them. After that the presence of two recombinant classes must complement together and make 8% of total i.e. they contribute 4% each. together the parental classes make up to 92% by contributing 46% one.

This can be understood through a phenotypic ratio calculation, which can be expected from it.

wild type: 4% x 800 = 32

miniature wings: 46% x 800 = 368

garnet eyes: 46% x 800 = 368

miniature wings, garnet eyes: 4% x 800 = 368

5 0
3 years ago
A process in which water is split into hydrogen, oxygen, and electrons is called
VARVARA [1.3K]

Answer:

Photolysis

Explanation:

7 0
3 years ago
CAM photosynthesis limits CO2 fixation to nighttime hours in order to (A) allow water to enter leaf spaces during the daylight h
bixtya [17]

Answer:

(B) open stomata only at night, limiting water loss because of heat and low humidity.

Explanation:

CAM plants are found in the regions characterized by very hot and dry environmental conditions. These plants reduce the water loss through transpiration by exhibiting CAM photosynthesis.  

They open the stomata during night time when the air is cooler and rich in moisture. They take in CO2 during night time and fix it into the oxaloacetate which in turn is converted into malate and is stored in the vacuoles.  

During day time, stomata remain closed to prevent water loss and the CO2 trapped during night time (released by decarboxylation of malate) enter the Calvin cycle.

3 0
3 years ago
If pathogens are present a tree is likely to have
const2013 [10]

Answer:

a. a disease

Explanation:

Pathogens are disease-causing organisms. For example, some bacteria and viruses are pathogens for different species.

Therefore, a tree with pathogens present is likely to have a disease. Different pathogens affect different trees. Examples include Anthracnose , which is caused by a fungus

5 0
3 years ago
Q6.7. During many epidemics, health-care professionals emphasize the importance of
Serga [27]

During many epidemics, <u>healthcare </u>professionals emphasize the importance of  community mitigation strategies, such as wearing masks, frequent hand-washing, and social  distancing because these strategies help <u>reduce </u><u>transmission </u><u>even when drug-based treatments and vaccines are  unavailable.</u>

It is of <u>vital </u>importance in cases of epidemics to implement strategies such as:

  • Hand-washing
  • Wearing masks
  • Social distancing

in order to better protect our communities and ourselves.

Frequent hand-washing serves to<u> eliminate the presence of a </u><u>pathogen</u> <u>from the surface of your hands</u>, reducing the risks that it will find entry into your organism or land on a surface with which others will come into contact. Should you or someone else contract the pathogen anyways, wearing a mask can help to reduce or deny the possibility of transmitting the disease.

Finally, should both previous measures fail, meaning that the virus or pathogen has infected an individual and penetrated the masks, social distancing can act as a <u>final barrier</u> that the pathogen will rarely be able to surpass, given that most pathogens <u>cannot remain airborne over large distances. </u>

For these reasons, healthcare professionals emphasize the importance of these strategies because they help reduce transmission <u>until vaccines or drug-based treatments become  available and </u><u>herd immunity </u><u>can be reached. </u>

To learn more visit:

brainly.com/question/17606451?referrer=searchResults

3 0
3 years ago
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