Answer:
cell wall is found only in plant cell
Explanation:
cell wall and chloroplast is found only in plant cell but cell membrane,nucleus cytoplasm, ribosomes etc are found in both plant and animal cell
Answer:
Answer is 2. Fibroblasts fail to divide.
Explanation:
Tissue culture experiment is the experiment where tissues are grown in an artificial medium. This involves the use of growth medium such as agar or broth. This process help to produce needed tissues in a short period of time.
Fibroblasts are cells which are found in the collective tissues, and they produce collagen. The collagen produced by the Fibroblasts play important role in tissue repair. Fibroblasts are regarded as the main cells in the connective tissue.
Note that, PDGF, which is Platelet -derived growth factor in full, is a growth factor regulating cell growth and it's division.
Alkaline earth metals
Group 13 aka the boron family is categorized as alkaline earth metals
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