Exercise 5,6,7 Pre-Lab Questions Flashcards
Which of the following cellular structures is not easily visible with the compound light microscope?
A) Nucleus B) DNA C) Cytoplasm D) Plasma Membrane
B) DNA
Which of the following structures is located in the nucleus?
A) Nucleolus B) Ribosomes C) Mitochondria D) Endoplasmic reticulum
A) Nucleolus
The outer boundary of a cell is the?
A) Mitochondrial Membrane B) Nuclear Envelope C) Golgi Appartus D) Plasma Membrane
D) Plasma Membrane
Microtubules, intermediate filaments, and microfilaments are components of?
A) Vesicles B) The Golgi Apparatus C) The Cytoskeleton D) Ribosomes
C) The Cytoskeleton.
Easily attainable living cells observed in this lab are from?
A) Inside the cheek. B) Blood. C) Hair D) Finger Surface
A) Inside the cheek.
A slide of human cheek cells can be stained to observe \_\_\_ under the microscope. A) individual membrane proteins B) Golgi Apparatus C) The plasma membrane and nucleus D) Mitochondria
C) The plasma membrane and nucleus.
Cellular energy is stored in A) ER. B) ATP C) DNA D) RNA
B) ATP
The smooth ER possess ribosomes. True or False?
False.
The nuclear envelope contains nuclear pores. True or False?
True.
Which of the following membrane movements is not a passive process?
A) Osmosis B) Diffusion C) Active Transport D) Filtration
C) Active Transport
Osmosis is a membrane passage process pertaining to..?
A) Glucose solution B) Hydrostatic pressure C) Saline Solution D) Water
D) Water
Which of the following represents an isotonic solution?
A) 0.9% NaCl B) 3% NaCl C) 3%Glucose D) 0.9% Glucose
A) 0.9% NaCl
Filtration requires ____ for movements through membranes.
A) Hydrostatic pressure B) Active Transport C) Pinocytosis D) Phagocytosis
A) Hydrostatic pressure
Which of the following does not influence the rate of diffusion?
A) Concentration gradient B) Size of petri dish C) Molecular size D) Temperature
B) Size of petri dish.
Dialysis tubing serves as a _____ for the osmosis experiement.
A) Cell wall B) Permeable Membrane C) Selectively permeable membrane D) Barrier Membrane
C) Selectively permeable membrane
Passive membrane passage requires ATP. True or False?
False
A cell wall will not swell or shrink when placed in isotonic solution. True or False?
True.
Which of the following is not a part of interphase?
A) Cytokinesis B) first gap phase C) Second gap phase D) Synthesis phase
A) Cytokinesis
A cell in the stage of G-Zero
A) Divides continously B) Ceases cell division C) Exhibits cytokinesis D) Exists in a gap phase
B) Ceases cell division.
Which is the correct sequence of the M (mitotic phase)
A) telophase, prophase, metaphase, anaphase
B) Prophase, anaphase, metaphase, telophase
C) Prophase, telophase, metaphase, anaphase
D) Prophase, Metaphase, anaphase, telophase
D) Prophase, metaphase, anaphase, telophase
Which of the following events occur in prophase?
A) Spindle disappears B) Nuclear envelopes reassemble
C) Chromosomes condense D) Sister chromatoids seperate
C) Chromosomes Condense
Sister chromatoids seperate to oppisote poles during..?
A) Telophase B) Anaphase C) Prophase D) Metaphase
B) Anaphase
A human diploid cell has ____ Chromosomes
A) 23 B) 26 C) 46 D) 92
A) 23
In animal cells, the identation where the cells are pinching apart during telophase is called the ____.
A) Cell Plate B) Clevage furrow C) Nuclear Envelope D) Metaphase Plate
B) Clevage furrow.
A karyotype is used to count centrioles and spindle fibers
True or False?
False.
Daughter cells are formed from cell cycles
True or False?
True
