Which of the following statements best defines the two main differences existing between prokaryotic and eukaryotic cells?
|A.||Prokaryotic cells possess a nucleus but lack organelles while eukaryotes lack both a nucleus and organelles.|
|B.||Prokaryotic cells possess a nucleus and organelles while eukaryotes lack both a nucleus and organelles.|
|C.||Prokaryotic cells lack a nucleus and organelles while eukaryotes possess both a nucleus and organelles.|
Structures common to both plant and animal cells include all of the following except
All of the following are features of all cells except for
|E.||cell function determines cell size|
Which of the following structures was specific to the animal cell?
Which of the following structures was specific to the plant cell?
Centrioles function in
Chloroplasts are the site of __________.
The Golgi body is responsible for packaging __________ for the cell.
The smooth endoplasmic reticulum produces __________ for the cell.
The “ruffles” of the inner membrane of the mitochondrion are called __________.
The stacks of disk-like structures within chloroplasts are called __________.
Centrioles are only found in ____________ cells.
|D.||plant and bacterial|
|E.||plant and animal|
Lysosomes consist of a single membrane surrounding powerful __________ enzymes.
The nucleus is called the __________ of the cell.
The large solid spot within the nucleus is the __________.
The energy harvested via the light reaction is stored by forming a chemical called ___________________, a compound used by cells for energy storage.
The ___________________takes place in the stroma within the chloroplast.
The dark reactions do not directly need light to occur; however, they do need the following products of the light reactions to proceed.
|A.||H2O and CO2|
|B.||ATP and chlorophyll|
|C.||NADPH and H2O|
|D.||ATP and NADPH|
|E.||ATP and CO2|
The dark reaction involves a cycle called the ________________________________in which CO2 and energy from ATP are used to form sugar.
Stomates are for air exchange letting CO2 in and __________ out of leaves.
Chlorophyll looks ___________________ because it absorbs red and blue light, making these colors unavailable to be seen by our eyes.
The stomates are holes which occur primarily in the lower epidermis and are for ___________________.
|E.||capture of sunlight|
Plants lessen the amount of water that evaporates by keeping their stomates ___________________ during hot, dry weather.
The ___________________________happens in the thylakoid membrane and converts light energy to chemical energy.
|B.||carbon dioxide production|
The dark reaction converts ___________________ to sugar.
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