Download Cells Testbank

Cells Test bank
1
• 1. Who was one of the first people to identify and see cork
cells?
• B. Robert Hooke
2
• 2 The work of Schleiden and Schwann can be summarized by
saying that:
• D. All plants and animals are made of cells
3
• Which of the following is NOT a principle of the cell theory:
• C. Very Few Cells Reproduce
4
• The cell theory applies to:
• D. All of the above
5
• Electron Microscopes can reveal details :
• D. 1000 times smaller than those visible in light microscopes
6
• Which type(s) of microscopes can produce three-dimensional
images of cells:
• B. Scanning electron microscopes
7
• Researchers use fluorescent labels and light microscopy to:
• C. follow molecules moving through the cells
8
• Prokaryotes lack:
• C. a nucleus
9
• Which of the following contain a nucleus:
• C. Eukaryotes
10
• Eukaryotes usually contain:
• D. All of the above
11
• Which of the following organisms are prokaryotes:
• C. Bacteria
12
• Which of the following is a function of the nucleus?
• D. All of the above
13
• Which of the following is NOT found in the nucleus:
• A. Cytoplasm
14
• Which of the following statements explains why the nucleus is
important to cells:
• C. The nucleus contains coded instructions for making proteins
15
• Which of the following structure are found in the cytoplasm:
• B. Ribosome
16
• Which organelle breaks down food into molecules the cell can
use:
• B. Lysosome
17
• Which structure makes protein using coded instructions that
come from the nucleus:
• D. Ribosome
18
• Which organelle converts the chemical energy stored in food
compounds that are more convenient for the cells to use:
• D. Mitochondrion
19
• Which organelles help provide the cell with energy?
• A. Mitochondrion and Chloroplasts
20
• Which sequence correctly traces the path of a protein in the
cells:
• A. Rough endoplasmic reticulum, Golgi apparatus, rele3ased
from the cell.
21
• Which organelle would you expect to find in plant cells, but
not animal cells?
• C. Chloroplast
22
• Which of the following is a function of the cytoskeleton?
• A. Helps a cell keep its shape
23
• Which structures carry out cell movement?
• C. Microtubules and Microfilaments
24
• Which of the following is NOT a function of the cytoskeleton?
• C. Prevent chromosomes from separating
25
• The main function of the cell wall is to:
• A. Support and protect the cell.
26
• Unlike the cell membrane, the cell wall is:
• D. Usually made of though fibers
27
• You will NOT find a cell wall in which of these kinds of
organisms:
• B. Animals
28
• Which of the following structure serves as the cell’s boundary
from its environment?
• B. Cell Membrane
29
• Which of the following is a function of the cell membrane?
• D. Regulates which materials enter and leave the cell
30
• The cell membrane contains channels and pumps that help
move materials from one side to the other. What are these
channels and pumps made of?
• B. Lipids
31
• Diffusion is the movement of molecules from:
• B. an area of high concentration to an area of low
concentration
32
• Diffusion occurs because:
• A. Molecules constantly move and collide with each other.
33
• When the concentration of molecules on both sides of a
membrane is the same, the molecules will:
• C. Move across the membrane in both directions
34
• Which means of particle transport requires input of energy
from the cell?
• D. Active transport
35
• The diffusion of water across a selectively permeable
membrane is called:
• B. Osmosis
36
• An animal cell that is surrounded by fresh water will burst
because the osmotic pressure causes:
• A. Water to move into the cell
37
• Which term refers to cells having different jobs in an
organism?
• B Cell specialization
38
• The cells of multicellular organisms are:
• C. Specialized to perform different tasks
39
• All of the following are examples of cell specialization EXCEPT:
• C. A prokaryotic cell that carries out photosynthesis
40
• Which of the following is an example of an organ?
• A. Heart
41
• All of the following are types of tissues EXCEPT:
• C. Digestive
42
• A group of similar cells that perform a particular function is
called a(an)L
• C. Tissue
43
• Which of the following is an organ of the digestive system?
• A. Stomach
44
• An organ system is a group of organs that:
• C. Work together to perform a specific function
45
• Which list represents the levels of organization in a
multicellular organism from the simplest level to the most
complex level?
• D. Cell, tissue, organ, organ system
46
• True or False:
• If a cell contains a nucleus, it must be a prokaryote.
• False. If a cell contains a nucleus, it must be a eukaryote