Which of the following is NOT a concept of the cell theory?
A) The cell is the basic unit of life.
B) The metabolic activities of individual cells in a multicellular organism are coordinated and essential for survival.
C) Each cell of a multicellular organism maintains its own metabolism.
D) All cells arise spontaneously.
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Question 2) Which of the following answer choices includes organelles that are surrounded by a double membrane?
A) nucleus, lysosome
B) nucleus, mitochondria
C) nucleus, peroxisome
D) peroxisome, lysosome
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Question 3) The ________ produces ribosomes.
A) Golgi apparatus
B) nucleolus
C) rough endoplasmic reticulum
D) nucleus
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Question 4) The ________ are bean-shaped, double-membrane-wrapped organelles that produce most of the cell's energy in the form of ATP.
A) mitochondria
B) chromatin
C) Golgi apparatus
D) rough endoplasmic reticulum
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Question 5) The basic structural component of the plasma (cell) membrane is ________.
A) chromatin
B) phospholipid bilayer composed of two layers of phospholipid molecules
C) telophase
D) nuclear membrane
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Question 6) Anaphase is characterized by ________.
A) separation of the sister chromatids
B) breakdown of the nuclear membrane
C) duplication of the chromosomes
D) division of the cytoplasm
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Question 7) ________ is the division of the genetic material, and ________ is the division of the cytoplasm.
A) Mitosis; cytokinesis
B) Cytokinesis; interphase
C) Metaphase; telophase
D) Anaphase; prophase
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Question 8) ________ is the period of time when the cell is not dividing.
A) Anaphase
B) Prophase
C) Interphase
D) Metaphase
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Question 9) Which of the following organelles contains digestive enzymes that destroy old, damaged organelles, harmful bacteria, viruses, and toxins?
A) Golgi apparatus
B) lysosome
C) ribosomes
D) nucleus
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Question 10) The ________ modifies and packages proteins that are produced in the rough endoplasmic reticulum.
A) peroxisome
B) Golgi apparatus
C) mitochondrion
D) smooth endoplasmic reticulum
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