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SIZIF [17.4K]
4 years ago
11

What is one safety guideline that Peter should follow?

Biology
1 answer:
slamgirl [31]4 years ago
4 0
Is there any multiple choice answers i can choose from?
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2. What are the physical or nonliving components of an ecosystem called?​
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The living components of the environment are known as biotic factors. Biotic factors include plants, animals, and micro-organisms. The non-living components of the environment are known as abiotic factors. Abiotic factors include things such as rocks, water, soil, light, rocks.

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3 years ago
Cancer cells Multiple Choice divide uncontrollably and then die. are impossible to grow in culture. are particularly sensitive t
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Despite the fact that their numerous abnormalities would ordinarily make them great targets for apoptosis, cancer cells even avoid programmed cell death. As cancer progresses, cells cross the borders of healthy tissue and metastasis (spread) to other locations throughout the body.

Cancer cells:

  • First and foremost, cancer is a complex illness, meaning that several faulty genes are implicated. It is not the case that one faulty gene causes a cell to develop into a malignant cell.
  • Metastasis refers to the spread of a cancer.
  • Uncontrolled growth is a given if there is a constitutively active RTK growth factor. However, the cell has additional defense systems to prevent such unchecked proliferation. If nothing is done, the cell will undergo apoptosis and perish. The development of cancer would not exist.

Some of the typical characteristics of cancer cells include -

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  • Its proliferation is unaffected by contact with neighboring cells, or contact inhibition.
  • Layers of cancerous cells are formed.
  • Cancerous cells have a variety of shapes.
  • Telomerase is expressed by tumor cells.
  • They do not go through apoptosis, have damaged cell cycle regulatory genes, and proliferate uncontrollably.
  • For them to grow, angiogenesis is necessary.

Learn more about cancer cells here brainly.com/question/23254957

#SPJ4

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