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Radiation Protection and Radiobiology Test Questions with Correct Answers
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Radiation Protection and Radiobiology Test Questions with Correct Answers What is any chemical reaction in which atoms lose electrons called? a. Oxidation b. Osmosis c. Synthesis d. Metabolism - ANSWER-Oxidation The cell components that contain the centrioles are the a. Centrosomes b. Lyso...

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  • November 11, 2024
  • 44
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • radiation protection and radiobiology test questio

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Radiation Protection and Radiobiology

Test Questions with Correct Answers


What is any chemical reaction in which atoms lose electrons called?


a. Oxidation


b. Osmosis


c. Synthesis


d. Metabolism - ANSWER✔✔-Oxidation


The cell components that contain the centrioles are the


a. Centrosomes


b. Lysosomes


c. Ribosomes


d. Golgi apparatus and mitochondria - ANSWER✔✔-Centrosomes


During which of the following subphases of mitosis do the centrioles migrate to opposite sides of the cell

and begin to regulate the formation of the mitotic spindle?


a. Telophase


b. Prophase


c. Anaphase


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d. Metaphase - ANSWER✔✔-Prophase


Fraternal twins may also be referred to as


a. Dizygotic twins


b. Trizygotic twins


c. Polyzygotic twins


d. Monozygotic twins - ANSWER✔✔-Dizygotic twins


Antibodies are protein molecules produced by specialized cells in the bone marrow called


a. B lymphocytes


b. R lymphocytes


c. Megakaryocytes


d. Oocytes - ANSWER✔✔-B lymphocytes


This part of the cell transfers food and molecules from one part of the cell to another.


a. Mitochondria


b. Golgi apparatus


c. Ribosomes


d. Endoplasmic reticulum (ER) - ANSWER✔✔-Endoplasmic reticulum (ER)


In general, which of the following can human cells do?


1. Move, grow, react, and protect themselves



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2. Repair damage and regulate life processes


3. Reproduce




a. 2 and 3 only


b. 1, 2, and 3


c. 1 and 3 only


d. 1 and 2 only - ANSWER✔✔-1, 2, and 3


The steps, or rungs, of the DNA ladder-like structure consist of complementary chemicals that are


a. Acitic acids


b. Fatty acids


c. Pairs of nitrogenous bases


d. Sugar-phosphate compounds - ANSWER✔✔-Pairs of nitrogenous bases


How many different amino acids are involved in protein synthesis in humans?


a. 39


b. 15


c. 7


d. 22 - ANSWER✔✔-22


The total amount of genetic material (DNA) contained within the chromosomes of a human being is

called

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a. Human genome


b. Human composition


c. Human organelles


d. Human mitosis - ANSWER✔✔-Human genome


Which of the following are compounds called purines?


1. Adenine and cytosine


2. Adenine and guanine


3. Adenine and thymine




a. 3 only


b. 2 only


c. 1, 2, and 3


d. 1 only - ANSWER✔✔-2 only


Inorganic materials are compounds that


a. Do not contain carbon


b. Contain moderate amounts of carbon


c. Contain only very small amounts of carbon


d. Contain large amounts of carbon - ANSWER✔✔-Do not contain carbon




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