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Cells (part 2)
Test Description: Cells (part 2)
Instructions: Answer all questions to get your test result.
1) nucleolus
A
small dense region within the nuclei in which the assembly of proteins begins
B
process that releases energy by breaking down glucose and other food molecules in the presense of oxygen
C
particle made up of nucleic acid, protein, and in some cases lipids that can replicate only by infecting living cells
D
domain of unicellular prokaryotes that have cell walls containing peptidoglycan
2) virus
A
particle made up of nucleic acid, protein , and in some cases lipids that can replicate only by infecting living cells
B
process that releases energy by breaking down glucose and other food molecules in the presense of oxygen
C
domain of unicellular prokaryotes that have cell walls containing peptidoglycan
D
(when comparing 2 solutions) the solution with the greater concentration of solutes
3) bacteria
A
(when comparing 2 solutions) the solution with the greater concentration of solutes
B
process that releases energy by breaking down glucose and other food molecules in the presense of oxygen
C
domain of unicellular prokaryotes that have cell walls containing peptidglycan
D
when the concentration of 2 solutions is the same
4) cellular respiration
A
process that releases energy by breaking down glucose and other food molecules in the presense of oxygen
B
diffusion of water through a selectively permeable membrane
C
when the concentration of 2 solutions is the same
D
(when comparing 2 solutions) the greater concentration of solutes
5) hypertonic
A
(when comparing 2 solutions) the solution with the greater concentration of solutes
B
diffusion of water through a selectively permeable membrane
C
when the concentration of a solute is the same throughout a solution
D
when the concentration of 2 solutions is the same
6) isotonic
A
when the concentration of 2 solutions is the same
B
when the concentration of a solute is the same throughout a solution
C
process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentr
D
diffusion of water theough a selectively permeable membrane
7) osmosis
A
process by which plants use light energy to convert water and CO2 into oxygen and high-energy carbs such as sugars and starch
B
when the concentration of a solute is the same throughout a solution
C
diffusion of water through a selectively permeable membrane
D
process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentr
8) equilibrium
A
process in which extentions of cytoplasm surround large particles and take them into the cell
B
when the concentration of a solute is the same throughout a solution
C
diffusion of water through a selectively permeable membrane
D
process by which plants use light energy to convert water and CO2 into oxygen and high-energy carbs such as sugars and starch
9) diffusion
A
process in which extentions of cytoplasm surround large particles and take them into the cell
B
process by which plants use light energy to convert water and CO2 into oxygen and high-energy carbs such as sugars and starch
C
process by which molecules tend to move from an area where they are more concentrated to an area where they are less concentr
D
energy-requiring process that moves material across cell membrane against a concentration difference
10) photosynthesis
A
movement of specific molecules across cell membranes through protein channels
B
process in which extentions of cytoplasm surround large particles and take them into the cell
C
process by which plants and use light energy to convert H2O and CO2 into O2 and high-energy carbs such as sugars and starc
D
energy-requiring process that moves material across a cell membrane against a concentration difference
11) phagocytosis
A
movement of specific molecules across cell membranes through protein channels
B
energy-requiring process that moves material across a cell membrane against a concentration difference
C
(when comparing 2 solutions) the solution with the lesser concentration of solutes
D
process in which extentions of cytoplasm surround large particles and take them into the cell
12) active transport
A
(when comparing 2 solutions) the solution wwith the lesser concentration of solutes
B
movement of specific molecules across cell membranes through protein channels
C
energy-requiring process that moves material across a cell membrane against a concentration difference
D
the center of the atom which contains the protons and neutrons; in cells, structure that contains DNA; controls cell activity
13) facilitated diffusion
A
(when comparing 2 solutions) the solution with the lesser concentration of solutes
B
movement of specific molecules across cell membranes through protein chennels
C
the center of the atom which contains the protons and neutrons; in cells, structure that contains DNA; controls cell activiti
D
unicellular organism lacking a nucleus
14) hypotonic
A
organism whose cells contain nuclei
B
the center of the atom which contains the protons and neutrons; in cells, structure that contains DNA; controls cell activiti
C
(when comparing 2 solutions) the solution with the lesser concentration of solutes
D
unicellular organism lacking a nucleus
15) nucleus
A
center of the atom which contains the protons and neutrons; in cells, structure contains DNA; controls cell's activities
B
organism whose cells contain nuclei
C
unicellular organism lacking a nucleus
D
collection of living matter enclosed by a barrier that separtes the cell from its surroundin; basic unit of all forms of life
16) prokaryote
A
unicellular organism lacking a nucleus
B
organism whose cells contain nuclei
C
threadlike structure within the nucleus containing the DNA that is passed from one generation of cells to the next
D
collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of all forms of l
17) eukaryote
A
granular material visible within the nucleus; consists of DNA tightly coiled around proteins
B
collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of all forms of l
C
organism whose cells contain nuclei
D
threadlike structure within the nucleus containing DN that is passed from one generation of cells to the next
18) cell
A
granular material visible within the nucleus; consists of DNA tightly coiled around proteins
B
collection of living matter enclosed by barrier that separates the cell from its surroundings; basic unit of all forms of lif
C
threadlike structure within the nucleus containing DNA that is passed from one generation of cells to the next
D
layer of 2 membranes that surrounds the nucleus of a cell
19) chromosome
A
granular material visible within the nucleus; consists of DNA tightly coiled around proteins
B
layer of 2 membranes that surrounds the nucleus of a cell
C
threadlike structure within the nucleus containing DN that is passed from one generation of cells to the next
D
material inside the cell membrane not including the nucleus
20) chromatin
A
material inside the cell membrane not including the nucleus
B
granular material visible within the nucleus; consists of DNA tightly coiled around proteins
C
specialized structure that performs important cellular functions within a eukaryotic cell
D
layer of 2 membranes that surrounds the nucleus of a cell
*select an answer for all questions
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