The plant cell is the smallest living structure and constituent unit of all plants. Its size and shape vary by function. It is composed of several organelles, all useful to its activity.
The right answers are: (the numbers are in the picture).
1 refer to a vacuole.
2 refer to a cell wall (if you see closer, the arrow is aiming the green layer, the yellow one is the cell membrane).
3. refer to a chloroplast.
4. refer to mitochondria.
Sporadic cancer is cancer by chance, there is no relative with the same type of cancer. Familial Cancer, on the other hand, is a combination of genetic and environmental factors. Hereditary cancer, moreover, happens when a defective gene is passed from parent to child. Breast and ovarian cancer fall under hereditary cancer though it does not mean that if either of the parents have these types of cancer, the offspring will definitely acquire it. If either of the parents has the defective gene for breast or ovarian cancer, the offspring has higher chances of having the aforementioned cancer.
A. -50 degrees, it may also be 60 degrees but -50 is much more harsh
Answer:
Collagen, elastin, fibronectin, and laminin are the four principle classes of fibrous proteins found in the extracellular matrix. Fibrous proteins add tensile strength to tissues but provide much of their stretchiness, as well
Explanation:
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Correct answer: "<span>D - it becomes glucose through the process of photosynthesis"
The atmospheric carbon is absorbed by plants in the form of carbon dioxide and used in the process of photosynthesis. Photosynthesis takes 6 carbon dioxide molecules and 6 water molecules to produce a molecule of glucose and 6 of oxygen. That's where most of the atmospheric carbon is used in.</span>
