3 Flashcards
(50 cards)
- The smallest organized unit of living tissue is the
A. nucleus
B. cell
C. organelle
D. cytoplasm
B. cell
- The cell membrane’s major components are
A. carbohydrates and proteins
B. proteins and lipids
C. lipids and glycoproteins
D. polysaccharides and lipids
B. proteins and lipids
- Which of the following is a characteristic of osmosis?
A. Requires energy (ATP)
B. Movement of water molecules
C. An unusual cellular activity
D. Requires a carrier molecule
B. Movement of water molecules
- Which of the following is a characteristic of active transport?
A. Requires energy (ATP)
B. Movement of molecules up the concentration gradient
C. Requires a carrier molecule
D. All of the above
D. All of the above
- Phagocytosis is
A. a type of endocytosis
B. the engulfment of fluid molecules
C. the engulfment of particulate matter
D. Both A and C
D. Both A and C
- The appropriate function of centrioles is
A. protein production
B. concentration of secretory granules
C. lipid synthesis
D. points of attachment of the spindle fibers
D. points of attachment of the spindle fibers
- The appropriate function of the rough ER is
A. protein production
B. concentration of secretory granules
C. lipid synthesis
D. DNA synthesis
A. protein production
- The appropriate function of the smooth ER is
A. protein production
B. concentration of secretory granules
C. lipid synthesis
D. DNA synthesis
C. lipid synthesis
- The appropriate function of the Golgi apparatus is
A. protein production
B. concentration of secretory granules
C. lipid synthesis
D. DNA synthesis
B. concentration of secretory granules
- The appropriate function of the lysosomes is
A. energy production and heme synthesis
B. protein synthesis
C. cytoskeleton
D. intracellular digestion
D. intracellular digestion
- The appropriate function of the microtubules is
A. energy production and heme synthesis
B. protein synthesis
C. cytoskeleton
D. intracellular digestion
C. cytoskeleton
- The appropriate function of the mitochondria is
A. energy production and heme synthesis
B. protein synthesis
C. cytoskeleton
D. intracellular digestion
A. energy production and heme synthesis
- The appropriate function of the ribosomes is
A. energy production and heme synthesis
B. protein synthesis
C. cytoskeleton
D. intracellular digestion
B. protein synthesis
- Glycogen is a
A. protein
B. lipid
C. carbohydrate
D. hormone
C. carbohydrate
- A cellular inclusion that represents a common storage form of iron is
A. glycogen
B. vacuoles
C. Auer body
D. ferritin
D. ferritin
- The nucleus of the cell contains
A. chromatin, nucleoli, and nucleoplasm
B. chromatin, nucleoli, and ribosomes
C. DNA, RNA, and ribosomes
D. DNA, RNA, and mitochondria
A. chromatin, nucleoli, and nucleoplasm
- The overall function of DNA is
A. protein and enzyme production
B. control of cellular function and transmission of genetic information
C. control of heterochromatin and euchromatin synthesis
D. production of cellular energy and transmission of genetic
B. control of cellular function and transmission of genetic information
- Heterochromatin is
A. genetically inactive
B. found in patches or clumps
C. genetically inactive and pale staining
D. Both A and B
D. Both A and B
- Chromosomal translocation is
A. a frequent activity of homologous chromosomes in meiosis
B. a rearrangement of genetic material
C. the process in which a segment of one chromosome breaks away from its normal location
D. All of the above
D. All of the above
- A chromosomal deletion is
A. loss of a pair of chromosomes
B. loss of a segment of chromosome
C. attachment of a piece of a chromosome
D. an exchange of genetic material
B. loss of a segment of chromosome
- In the G1 phase of mitotic activity, _____.
A. DNA replication occurs
B. a protracted state of mitotic inactivity occurs
C. immediately precedes actual mitotic division
D. protein synthesis and cellular metabolism are active
D. protein synthesis and cellular metabolism are active
- In the S phase of mitotic division, _________.
A. DNA replication occurs
B. a protracted state of mitotic inactivity occurs
C. immediately precedes actual mitotic division
D. protein synthesis and cellular metabolism are active
A. DNA replication occurs
- In the G2 phase of mitotic activity, ________.
A. DNA replication occurs
B. a protracted state of mitotic inactivity occurs
C. immediately precedes actual mitotic division
D. protein synthesis and cellular metabolism are active
C. immediately precedes actual mitotic division
- In the G0 phase, _________.
A. DNA replication occurs
B. a protracted state of mitotic inactivity occurs
C. actual mitotic division occurs
D. protein synthesis and cellular metabolism are active
B. a protracted state of mitotic inactivity occurs