Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 17, Problem 2TY
Summary Introduction
Introduction:
Each cell undergoes the cell cycle. It is the cycle that leads to the creation of new cells from existing cells. It consists of interphase and mitosis. Interphase takes up most of the duration of the cell cycle. It is the phase in which the cell undergoes growth and prepares for cell division. There are sub-phases in interphase: Gap 1 or G1, Synthesis or S phase, and Gap 2 or G2.
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Which of the following statements is true?
a. once a person reaches maturity, cell division stops unless it is to repair a wound
b. cell division in an adult signifies cancer
c. some specific cells throughout the body retain the ability to divide and replace themselves
d. growth continues on throughout life of an adult human
Embryonic stem cells have the potential to do all of the following except _____.
a
be rejected by a recipient's immune system
b
differentiate into almost any type of cell in the body
c
only able to grow into a similar type of cell
d
repair cells damaged by injury or disease
During which phase do cells have more DNA? G1 or G2
Chapter 17 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 17 - How do you feel about the creation and then...Ch. 17 - How far should we go–to what lengths and at what...Ch. 17 - Describe how DNA is replicated before cell...Ch. 17 -
2. Compare and contrast the processes of...Ch. 17 - Explain what mutations are and the role of DNA...Ch. 17 - Name the four phases of mitosis and describe...Ch. 17 -
5. Explain why only one large egg is formed...Ch. 17 - Describe what is meant by selective gene...Ch. 17 - Explain how factors present in the environment can...Ch. 17 - Describe how ribosomes contribute to the formation...
Ch. 17 - Prob. 9CRCh. 17 - Prob. 10CRCh. 17 - What would be the outcome if a cell completed...Ch. 17 - Prob. 2TYCh. 17 - Prob. 3TYCh. 17 - Prob. 4TYCh. 17 - Which of the following are listed in order from...Ch. 17 - Prob. 6TYCh. 17 - Which is likely to be the shortest chain of...Ch. 17 - How many different amino acids could be encoded if...Ch. 17 - Prob. 9TYCh. 17 - Why do cells within an organism differentiate,...Ch. 17 - Which method of cloning is most similar to the way...Ch. 17 - Prob. 12TYCh. 17 - Prob. 13TYCh. 17 - Prob. 14TYCh. 17 -
15. How does the production of sperm differ from...Ch. 17 - Prob. 1AWKCh. 17 - Prob. 2AWKCh. 17 - Prob. 3AWKCh. 17 - Prob. 4AWKCh. 17 - Mitochondria contain their own DNA that is...Ch. 17 - Bacteria can reproduce by simple cell division....
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- Which type of cells would have more mitochondria & why?arrow_forwardThe majority of the cells undergo selective activation of the DNA which would lead to cells developing specialized structures and specialized features, a process known as a. differentiation b. apoptosis c. cell division d. cytokinesisarrow_forwardWhy would the failure of the p53 tumor supressor gene be more likely to cause cancer in a seventy year old person compared to a ten year old person? Group of answer choices A. the p53 gene never works well in old people B. cells divide more rapidly as people get older C.The seventy year old is more likely to have pre-existing failures in cell cycle control D. there are fewer mutations in genes controlling the cell cycle in older peoplearrow_forward
- Why would the failure of the p53 tumor supressor gene be more likely to cause cancer in a seventy year old person compared to a ten year old person? Group of answer choices A) The seventy year old is more likely to have pre-existing failures in cell cycle control B) cells divide more rapidly as people get older C) there are fewer mutations in genes controlling the cell cycle in older people D)the p53 gene never works well in old peoplearrow_forwardWhich cells are more efficient at obtaining nutrients? a) Small Cells b) Medium Size Cells c) Large Cells d) X-Large Cellsarrow_forwardWhy can't human bodies produce new brain cells? A. brain cells die and liver cells can go through G0. B. brain cells enter G0, but liver cells can complete the cell cycle (when needed) C. brain cells enter G0, but liver cells can go through G1 over and over again D. brain cells enter G0, but liver cells can go through M over and over againarrow_forward
- The ability of a cell to divide and differentiate to produce different types of body cells is a characteristic of: A) stem cells B) most cells in the adult body C) most cells in the infant body D) all of the abovearrow_forwardWhat evidence do you see on cheek cells to prove that it is made up of animal cells?arrow_forwardWhat is differentiation? A. When a cell switches from its original purpose B. The process of multiplying the cells in the body C. The process by which cells become specialized in their form to aid in their function D. How cells grow once their place in the body has been decidedarrow_forward
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