Exercise 5,6,7 Pre-Lab Questions

Question 1

Which of the following cellular structures is not easily visible with the compound light microscope?
A) Nucleus B) DNA C) Cytoplasm D) Plasma Membrane

Answer 1

B) DNA

Question 2

Which of the following structures is located in the nucleus?
A) Nucleolus B) Ribosomes C) Mitochondria D) Endoplasmic reticulum

Answer 2

A) Nucleolus

Question 3

The outer boundary of a cell is the?

A) Mitochondrial Membrane B) Nuclear Envelope C) Golgi Appartus D) Plasma Membrane

Answer 3

D) Plasma Membrane

Question 4

Microtubules, intermediate filaments, and microfilaments are components of?
A) Vesicles B) The Golgi Apparatus C) The Cytoskeleton D) Ribosomes

Answer 4

C) The Cytoskeleton.

Question 5

Easily attainable living cells observed in this lab are from?
A) Inside the cheek. B) Blood. C) Hair D) Finger Surface

Answer 5

A) Inside the cheek.

Question 6

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

Answer 6

C) The plasma membrane and nucleus.

Question 7

Cellular energy is stored in 
A) ER. 
B) ATP 
C) DNA 
D) RNA

Answer 7

B) ATP

Question 8

The smooth ER possess ribosomes. True or False?

Answer 8

False.

Question 9

The nuclear envelope contains nuclear pores. True or False?

Answer 9

True.

Question 10

Which of the following membrane movements is not a passive process?
A) Osmosis B) Diffusion C) Active Transport D) Filtration

Answer 10

C) Active Transport

Question 11

Osmosis is a membrane passage process pertaining to..?

A) Glucose solution B) Hydrostatic pressure C) Saline Solution D) Water

Answer 11

D) Water

Question 12

Which of the following represents an isotonic solution?

A) 0.9% NaCl B) 3% NaCl C) 3%Glucose D) 0.9% Glucose

Answer 12

A) 0.9% NaCl

Question 13

Filtration requires ____ for movements through membranes.

A) Hydrostatic pressure B) Active Transport C) Pinocytosis D) Phagocytosis

Answer 13

A) Hydrostatic pressure

Question 14

Which of the following does not influence the rate of diffusion?
A) Concentration gradient B) Size of petri dish C) Molecular size D) Temperature

Answer 14

B) Size of petri dish.

Question 15

Dialysis tubing serves as a _____ for the osmosis experiement.
A) Cell wall B) Permeable Membrane C) Selectively permeable membrane D) Barrier Membrane

Answer 15

C) Selectively permeable membrane

Question 16

Passive membrane passage requires ATP. True or False?

Answer 16

False

Question 17

A cell wall will not swell or shrink when placed in isotonic solution. True or False?

Answer 17

True.

Question 18

Which of the following is not a part of interphase?

A) Cytokinesis B) first gap phase C) Second gap phase D) Synthesis phase

Answer 18

A) Cytokinesis

Question 19

A cell in the stage of G-Zero

A) Divides continously B) Ceases cell division C) Exhibits cytokinesis D) Exists in a gap phase

Answer 19

B) Ceases cell division.

Question 20

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

Answer 20

D) Prophase, metaphase, anaphase, telophase

Question 21

Which of the following events occur in prophase?
A) Spindle disappears B) Nuclear envelopes reassemble
C) Chromosomes condense D) Sister chromatoids seperate

Answer 21

C) Chromosomes Condense

Question 22

Sister chromatoids seperate to oppisote poles during..?

A) Telophase B) Anaphase C) Prophase D) Metaphase

Answer 22

B) Anaphase

Question 23

A human diploid cell has ____ Chromosomes

A) 23 B) 26 C) 46 D) 92

Answer 23

A) 23

Question 24

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

Answer 24

B) Clevage furrow.

Question 25

A karyotype is used to count centrioles and spindle fibers

True or False?

Answer 25

False.

Question 26

Daughter cells are formed from cell cycles

True or False?

Answer 26

True