Exam (elaborations)
BSC 1005 UNIT 2 EXAM WITH ALL QUESTIONS AND ANSWERS
- Course
- Institution
BSC 1005 UNIT 2 EXAM WITH ALL QUESTIONS AND ANSWERS...
[Show more]
Content preview
BSC 1005 UNIT 2 E XAM WITH ALL QUES TIONS AND ANSW ERS Tumours or an overabundance of cells in the blood interfere with the normal function of tissues or organs, making cancer a physiological disease. Cancer starts at the cellular level. ANSWER The body's incapacity to regulate a cell's or a group of cells' division is the first step towards cancer. In response to regulatory cues during growth and development or to replenish ageing, worn-out cells, new cells are generated. - as a result of signals that help injured tissue heal - under the control of genes and hormones Old cells that are worn down and damaged are replaced by new cells. The synthesis of new cells ___________ injured tissues. - ANSWER fixed or replaced Which two cancer kinds have the potential to start in skin cells? - ANSWER: carcinoma and melanoma Muscle _________ is made up of several muscle cells that work together to produce an organ within an organ _______, which can also include other organs. ANSWER system, tissue The best way to describe cancer is as follows: it is a disease that starts in a single cell or a group of cells and can spread to tissues and organs, impairing the ability of bodily components to function normally. Only the right number of cells are produced during normal cellular reproduction because - ANSWER genetic processes and signals like hormones control this process The best definition of cancer is: ANSWER an illness brought on by an inability to regulate cell division What occurs in a normal, healthy body when there is a tissue injury to the body? ANSWER cell division restores the tissue by creating new cells to replace the damaged ones. Cancer formation - ANSWER 1) a cell or collection of cells starts to divide erratically 2) An overabundance of cells causes tumours and/or raises the blood cell count 3) The growth and spread of cancer cells results in physiological alterations that impair the ability of tissues and organs to operate normally. Melanoma - Answer for skin cancer Leukaemia ANSWER: White blood cells in bone marrow (cancer) skin (cancer) or the lining of internal organs - ANSWER carcinoma connective tissues, such as ANSWER sarcoma (cancer) immune system tissues and cells (cancer) - ANSWER lymphoma Which theory best explains how a cell's activity is regulated? - ANSWER The instructions that are carried out by each of our body's cells are encoded in a series of bases found in its DNA. Human Organisation Levels: ANSWER 1. cells 2. tissues 3. organs 4. organ systems 5. organism Because eukaryotic cells contain organelles, they are ANSWER specialised.The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller luzlinkuz. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
67096 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now