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VLD [36.1K]
3 years ago
10

What are three scientific discoveries that have made health care what it is today?

Biology
1 answer:
aalyn [17]3 years ago
5 0
The MRI machine allowing us to see how the brain reacts to different stimuli is one.
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Plants were grown in two different conditions. The plants on the left were grown with all essential nutrients required for plant
beks73 [17]

Answer:

The plants growing on the left will be able to synthesize more required molecules in a better way as compared to the plants on the right.

As plants, on the left, will be receiving all the essential nutrients that is required for functioning properly hence, the will be bale to synthesize all the complex molecules required for growth and surviving.

On the other hand, plants on the right side, will not be able to grow properly as they will not have the required amount of nutrition.

4 0
3 years ago
Compare and contrast the reasons cell division is important for unicellular and multicellular organisms. 2. Provide an example o
Ganezh [65]

(1)

For unicellular organisms, cell division is important for the reproduction of the population, Unicellular organism mainly use cell division, also called binary fission, for pollution growth. This is because unicellular organisms are only composed of one cell.

Multicellular organisms use cell division for growth and reproduction. Cell division causes increase in the number of cells composing the organism hence its growth in size. Cell division is also used to create gametes that are used in reproduction by fertilization.

(2)

Even in fully developed organisms, cell division is important in tissue repair. In tissue homeostasis, there is a balanced rate of cell division and cell death .  An example in muscles. Due to the stress experienced by muscle cells, they usually have a lower life span and therefore the damaged cells are often replaced with new ones by cell division. This prevents tissue wastage.

(3)

Growth factors signal the growth of a cell. They usually bind receptors on the cell surface and indicate how the cell should grow and divide base don environmental stimuli. An example is during regular exercises. Growth factors indicate that the muscle cells should divide regularly and grow bigger to accommodate the higher stress in the muscles from the workout. This is how your muscles grow bigger and stronger with more exercise.  

(4)

Differentiation of cells occurs through the silencing of some gene allowing the cell to produce particular proteins (and other biomolecules) that align with its functions in the body. This especially critical in multicellular organisms.  An example is that while al the cells in your body have the same DNA, some cells differentiate into liver cells while others into lungs, stomach, heart, and etcetera.  

Learn More:

For more on cell division check out;

brainly.com/question/4365207

brainly.com/question/11266913

#LearnWithBrainly

6 0
3 years ago
Which of the following describes a similarity and a difference between isotopes of an element?
jarptica [38.1K]
Isotopes of an element are defined has that has same atomic number but different mass number mean they have different number of neutrons
so the statement that best describe a similarity is 
<span> same atomic number; different mass number
</span>so correct option is C 
hope it helps

5 0
3 years ago
All atoms of the same element contain the same number of
Luda [366]

Answer: The answer is B while neutrons and electrons are usually the same in a given atom protons are always consistent.

5 0
3 years ago
What creates the bond between the sodium and chlorine ions
Vitek1552 [10]
Ionic bonding?

the bonding between non-metals and metals

non-metals form negative ions, so they are attracted to metals, which form postive ions
3 0
3 years ago
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