<span>contractile vacuole
Contractile vacuoles are organelles that are responsible for excretion function. They perform osmoregulation which manages wastes, water and other needed materials in the cell. They are found in some prokaryoric organisms like the algae, protists, amoeba and other unicellular organisms.
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Smoking and severe sunburn are linked to cancer.Getting a severe sunburn could lead to <span>melanoma skin </span><span>cancer and smoking could lead to lung cancer.
So the answer you are looking for is A. Cancer
I hope this helps!</span>
It is c sir ggggyyhhhhhhh
Answer:
Energy and Cellular Space
When gene Gene expression at( transnational level ) is regulated it ensures <u>energy and cellular space conservation</u>, If a gene were to be regulated at each time after transcription, then significant amount of ATPs beyond the synthetic capacity of the cells will be needed, the cells will need large surface to accommodate the mechanism s. Thus regulation saves more energy and space to regulate gene expression. by turning on genes when needed to expressed and off when not needed.
Sequence of Gene
In addition, for the timely synthesis of exact copies of protein needed by the cells for various cellular activities; it is important for cells to regulate and control how the DNA is translated to the required proteins. If this mechanisms were not regulated deletion , addition of nitrogenous bases in gene sequence during translation may lead to mutations and therefore wrong coding of the needed protein in the cells.
Protein Quantity
Furthermore, the need to know the quantity of protein to synthesize, when to stop the synthesis, necessitated regulation of the process.If required amount is not expressed wrong amino acids units will be synthesized leading to abnormalities in hormones and enzymes.
Explanation:
Answer: the cell theory is all living things are made of cells, and cells create other cells.
Explanation: so basically there were these dudes who studied plants and animals, and one of them looked at animal tissue and saw cells. this leads to the theory that all living things are made of cells. hope this helps.
