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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.
LABORATORY REPORT QUESTIONS EXERCISE 3 Name Date Laboratory Section Score/Grade PART 1 - Multiple Choice -...
I dont understabd the last 3 questions . A single piant cell is placed in an sotoric solution. Salt is then odded to the sokutlion. wwich ot me totowing wouid occur as a resut of the solt addition Water wouid leave the cell by osmoss. causing the volume of the cytoplosm to decreone. Water would entor the cel by osmosis, and the cel would swe t T The added salt would enter the cel cousing the cell to take up...
Question 1: The cell cycle has these stages A. GI, S, G2, M B. GI, S, BI, CL C. GI, S, G2, CI D. S, G2, NI, MI Question 2: During interphase, the following occurs A. Sister chromatids separate. B. Chromosome duplication takes place. C. Chromatin becomes tightly coiled. D. The mitotic spindle forms. Question 3: The correct sequence of stages of mitosis is A. prophase, metaphase, anaphase, telophase B. telophase, prophase, interphase, anaphase, metaphase C. interphase, anaphase, prophase, metaphase, telophase B. metaphase, prophase, anaphase, telophase Question 4: Human cells contain 23 pairs of chromosomes A....
1,Match the descriptions to the type of transport. - A. B. C. Water enters a cell because it is hypertonic compared to the extracellular environment, increasing its turgor pressure - A. B. C. Water enters guard cells because the guard cells are hypertonic compared to the surrounding cells - A. B. C. Potassium...
21. The ______ prevents plants cells from bursting when place in a ____ solution. a) centrioles-hypotonic b) chloroplasts-hypertonic c) plasma membrane-hypertonic d) vacuole-hypertonic e) cell wall-hypotonic 22. Specialized cells like your own lung cells each lack which of the following organelles which are commonly found in an onion. a) cell membrane b)cell wall c)ribosomes d)nucleolus e) none of the above ______ 23. White blood cells engulf and destroy foreign particles by a process known as phagocytosis which is actually a)...
need help for questions 21, 23, and 24 21. For a eukaryotic cell (an animal), an excess of glucose would be stored as g glucose would be stored as glycogen by a) glycogen lysis enzymes in liposomes an enzyme that binds to cellulose, c) storage in the Golgi apparatus, d) glycogen stored in the mesosomes that contaln dehydration synthesis enzymes, e) by organelles that contain dehydration synthesis enzymes 22. The molecule ATP is important because it is the energy source...
30 An 10... 19. Given these characteristics of a transport process: 1. moves with the concentration gradient 2. does not require energy 3. requires protein carrier molecules Which of these processes is described? A) diffusion B) facilitated diffusion C) active transport D) osmosis E) phagocytosis filtration F) 20. of the cell. Transcription takes place in the A) cytosol B) Golgi apparatus C) mitochondria D) nucleus E) ribosomes daughter cells are 21. By the process of mitosis in a human cell,...
Chapter 3 Cells and Their Functions 49 Testing Your Knowledge BUILDING UNDERSTANDING L. MULTIPLE CHOICE Select the best answer of the following organelles modifies proteins that have already Which been synthesized? a. mitochondrion b. rough endoplasmic reticulum c. ribosome d. lysosome Of these terms describes the process of programmed cell death? a. mitosis b. mutation c. apoptosis d. phagocytosis 2. Which 2. 3. Which of the following are required for active transport? a. vesicles and cilia b. transporters and ATP...
ements. 3 Select the key choices that chancerize each of the followving sta Insert the appropriate answers in the answer blanks. Key Choices A Active transport B. Diffusion, C. Diffusion, osmosis F.Filtration G. Phagocytosis D. Exocytosis H. Pinocytosis simple E. Facilitated diffusion 1. Receptor-mediated endocytosis 1. Engulfment processes that require ATP 2. Driven by molecular enecgy 3. Driven by hydrostatic (lui) pressure (typically blood pressure in the body) 4. Moves dowh a concentration gradient 5. Moves up (agains) a concentration...
1) Discuss the importance of magnification and resolution in microscopy. How are the magnification and resolution of a light microscope different from that of an electron microscope? 2) Which microscope would you use to study the following? a) the changes in shape of a living human white blood cell b) the finest details of the surface texture of a human hair c) the detailed structure of an organelle in a liver cell 3) State the cell theory?...
Discard the answers I chose Match the following scenarios with the most specific type of transport used. Some choices may be used more than once. A A white blood cell enguits a bacterial cell A A paramecium swims close to some debris, wraps its membrane around the debris, and pulsit inside, creating a food Vacuole D. An amoeba wraps its cell membrane around a region of dissolved nutrients in water and pulls it inward, making a small vacuole A Phagocytosis...