Explanation:
These base pair relationships are often called Chargaff's rules of DNA base pairing, named after the Columbia University scientists who observed that there are equal molar concentration of A & T, as well as G & C in most DNA molecules.
Answer:
C
Explanation:
Ecological relationships exist between organisms in an ecosystem. MUTUALISM is one of these ecological relationships in which both organisms involved benefits from the relationship. It usually occurs in a way that the actions of one favors the other.
In this example, the bees feed on nectar produced by the flower a plant and carries pollen along when it feeds on the nectar produced by the flower of another plant. The bees are getting fed, thanks to the plant, while the plant is getting cross-pollinated, thanks to the bee.
Answer:
C
Explanation:
Every living thing is made up from cells, as they are the smallest unit of a living thing.
(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
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