What type of tissue forms linings or coverings?
A. connective tissue
B. nervous tissue
C. muscular tissue
D. epithelial tissue
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Question 2) What is the microscopic study of tissues?
A. embryology
B. anatomy
C. histology
D. pathology
E. physiology
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Question 3) What is a collection of similar cells and surrounding substances?
A. extracellular matrix
B. organ
C. organ system
D. tissue
E. intracellular matrix
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Question 4) The nucleic acid that is synthesized in the nucleus from a DNA template is
A. tRNA.
B. mRNA.
C. rRNA.
D. All of these are correct.
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Question 5) In ______________, carrier molecules move a substance against (up) the concentration gradient.
A. facilitated diffusion
B. simple diffusion
C. endocytosis
D. active transport
E. exocytosis
(
Question 6) The extracellular material found in tissues is called
A. fibroblast.
B. cytoplasm.
C. plasma.
D. lymph.
E. matrix.
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Question 7) If all of the peroxisomes in a cell were suddenly removed, how would this affect its immediate activity and function?
A. The cell would no longer be able to break down glucose.
B. The cell would be unable to perform transcription.
C. The cell would no longer be able to break down fatty acids, hydrogen peroxide, and amino acids.
D. The cell would be unable to produce proteins.
E. The cell would no longer be able to break down proteins and nucleic acids.
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Question 8) Which of these molecules is correctly matched with its method of movement through the cell membrane?
A. lipid-soluble molecules pass through membrane channels
B. small, water-soluble molecules (ions) dissolve in double phospholipid layer
C. large, water-soluble molecules transported by carrier-mediated processes
D. glucose and amino acid molecules pass through membrane channels
E. All of these are correctly paired.
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Question 9) Which of these cells would most likely have the largest number of mitochondria?
A. skin cells
B. blood cells
C. fat cells
D. bone cells
E. muscle cells
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Question 10) Internal structures of a cell that carry out specialized metabolic tasks are called _____.
A.
cytoskeletal elements
B.
enzymes
C.
ribosomes
D.
organelles
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