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