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FREE BIOLOGY AND STUDY GAMES ABOUT UNIT 4 VOCAB
EXAM QUESTIONS
Qs and Ans Expert- Explanation
This Exam contains:
-Guarantee passing score -21 Questions and Answers -format set of multiple-choice -Expert- Explanation
Question 1: feedback
Answer:
response in a system
Question 2: positive feedback
Answer:
where an end product of a process speeds the process up
Question 3: target cell
Answer:
cell that receives the signal
Question 4: signaling
Answer:
process where cells communicate with one another
Question 5: receptor protein
Answer:
cells that receive and convert signals
Question 6: characteristics of life
Answer:
characteristics that all living organisms share with one another
Question 7: Phosphorylation
Answer:
process where ATP is gene from ADP and phosphate through chemiosmosis
Question 8: Signal Transduction
Answer:
linkage of a chemical stimulus to a specific cellular response
Question 9: signal amplification
Answer:
mechanism that increases a signal
Question 10: cell cycle
Answer:
sequence of events of the life a cell
Question 11: cell division
Answer:
reproduction of cells
Question 12: Secondary Messenger
Answer:
nonprotein, water soluble ion or molecule, relays signal to a cell's interior in response to a signaling molecule bound by a signal receptor protein
Question 13: negative feedback
Answer:
form of regulation where the accumulation of one end product slows the process of that system
Question 14: cancer
Answer:
illness that is caused by an uncontrolled division of cells
Question 15: mitosis
Answer:
process where nuclear division occurs in eukaryotic cells divided in five stages
Question 16: Response
Answer:
change in a specific cellular activity brought y a transduced signal from outside the cell
Question 17: cyclin
Answer:
cellular protein that occurs in a cyclically fluctuating concentration and plays an important role in regulating the cell cycle
Question 18: classification
Answer:
a system where there are certain types of categories
Question 19: Ligand
Answer:
a molecule that binds specifically to another molecule, usually a larger one
Question 20: asexual reproduction
Answer:
offspring from a single parent that occurs without the gametes
Question 21: interphase
Answer:
period in cell cycle where the cell is not dividing
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