Question

LABORATORY REPORT QUESTIONS EXERCISE 3 Name Date Laboratory Section Score/Grade PART 1 - Multiple Choice - 1. The portion of the cell that forms part of the mitotic spindle during division is the (a) endoplasmic reticulum (b) Golgi complex (c) cytoplasm (d) pericentriolar area of the centrosome 2. Movement of molecules or ions from a region of higher concentration to a region of lower concentration via a process that does not require cellular energy is called (a) phagocytosis (b) diffusion (c) active transport (d) pinocytosis 3. If red blood cells are placed in a hypertonic solution of sodium chloride, they will (a) swell (b) burst (c) shrink (d) remain the same 4. The reagent used to test for the presence of sugar is (a) silver nitrate (b) nitric acid (c) IKI (d) Benedict's solution 5. A cell that carries on a great deal of digestion also contains a large number of (a) lyso- somes (b) centrosomes (c) mitochondria (d) nuclei 6. Which process does not belong with the others? (a) active transport (b) dialysis (c) phagocytosis (d) pinocytosis 7. Movement of oxygen and carbon dioxide between blood and body cells is an example of (a) osmosis (b) active transport (c) diffusion (d) facilitated diffusion 8. Which type of solution will cause hemolysis? (a) isotonic (b) hypotonic (c) isometric (d) hypertonic 9. In addition to active transport and simple diffusion, the kidneys regulate the chemical composition of blood by utilizing the process of (a) phagocytosis (b) osmosis (c) filtra- tion (d) pinocytosis 10. Engulfment of solid particles or organisms by pseudopods is called (a) active transport (b) dialysis (c) phagocytosis (d) filtration 11. Rupture of red blood cells when exposed to a hypotonic solution is called (a) hemolysis (b) plasmolysis (c) plasmoptysis (d) hemoglobinuria 12. The area of the cell between the plasma membrane and nucleus where chemical reac- tions occur is the (a) centrosome (b) vacuole (c) perosisome (d) cytoplasm 13. The "powerhouses" of the cell where ATP is produced are the (a) ribosomes (b) mito- chondria (c) centrosomes (d) lysosomes 14. The sites of protein synthesis in the cell are (a) peroxisomes (b) flagella (c) ribosomes (d) centrosomes Copyright 2012 Cengage Learning. All Rights Reserved. May not be copied, scanned duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or Chapters) Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content any time if subsequent rights restrictions require il

Answer 1

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1.the portion of the cell that forms part of the mitotic spindle during division is the (d)pericentriolar area of the centrosome
2.movement of molecules or ions from region of higher concentration to a region of lower concentration via a process that does nto require cellular energy is called (b) diffusion
3.if red blood cells are placed in a hypertonic solution of sodium chloride, they will (c) shrink
4.the reagent used to test for the presence of sugar is (d) benedict's solution
5.a cell that carries on a great deal of digestion also contains a large number of (a)lysosomes
6.(b) dialysis
7.movement of oxygen and co2 between blood and body cells is an example of (c)diffusion
8.(b) hypotonic
9.(c) filtration
10.engulfment of solid particles or organisms by pseudopods is called (c) phagocytosis
11.rupture of RBCs when exposed to a hypotonic solution is called (a)hemolysis
12.the area of the cell between the plasma membrane and nucleus where chemical reactions occur is the (d) cytoplasm
13.the powerhouses of the cell where ATP is produced are the (b) mitochondria
14.the sites of protein synthesis in the cell are (c) ribosomes .
15.(a) diffusion
16.the study of cellular structure and function is called (b) cell biology
17. (c) collagen fibers
18.the organelles that contain enzymes for the metabolism of hydrogen peroxide are (d) peroxisomes
19.the framework of cilia, flagella, centrioles, and the mitotic spindle is formed by (d) microtubules
20.a viscous fluidlike substance that binds cells together, lubricates joints, and maintains the shape of the eyeball is (b) hyaluronic acid .
21.the flexible outer boundary of the cell through which substances enter and exit is called the - plasma membrane
22.the cytoskeleton is formed by microtubules, intermediate filaments, and - microfilaments
23.the portion of the cell that contains hereditary units called genes is the - nucleus
24.the tail of a sperm cell is a long whiplike structure called a - flagella
25.cells placed in a ___ solution will undergo crenation - hypertonic
26.division of the cytoplasm is referred to as - cytokinesis
27.lipid and protein secretion, formation of transport and secretory vesicles, and assembly of glycoproteins are functions of the - golgi complex
28.membrane enclosed vesicles that contain digestive enzymes - lysosomes
29.hairlike projections of cells that move substances along their surfaces - cilia
30.the _____ is the site of phospholipid, fatty acid, and steroid synthesis and a temporary storage area for newly synthesized molecules - smooth ER
31.the _____ located near the nucleus, consists of a pair of centrioles and pericentriolar material - centrosome
32.a jellylike substance that supports cartilage, bone, the skin, and blood vessels is - chondroitin sulfate
33.the framework of many soft organs is formed by ____fibers. - reticular
34.the net movement of water through a selectively permeable membrane from a region of higher concentration of water to a region of lower concentration of water is known as - osmosis
35.the principle of _____ is employed in the operation of an artificial kidney - dialysis
36.in the interphase cell, DNA is in the form of a granular substance called - chromatin
37.distribution of chromosomes into separate and equal nuclei is referred to as - mitosis
38.the constant random motion of molecules caused by their inherent kinetic energy is - brownian movement

Matching :-

39. Anaphase - movement of chromosome sets to opposite poles of the cell
40. metaphase - centromeres line up on the metaphase plate
41. Interphase - phase between divisions
42. Telophase - formation of 2 identical nuclei.
43. Prophase - mitotic spindle appears.