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In a mesophyll cell of a leaf, the synthesis of ATP takes place in the mitochondria and which of the following other cell organelles?
The genes are located very close together on the same chromosome.
opening and closing of ligand-gated ion channels
a PO3 group, ribose, and uracil
8
Endosymbiosis
Chloroplasts
Evolution occurs in rapid bursts of change alternating with long periods in which species remain relatively unchanged
Energy from the sun is stored in green plants and transferred to consumers
Which of the following statements best expresses the concept of punctuated equilibrium?
The genes are located very close together on the same chromosome.
opening and closing of ligand-gated ion channels
a PO3 group, ribose, and uracil
8
Endosymbiosis
Chloroplasts
Evolution occurs in rapid bursts of change alternating with long periods in which species remain relatively unchanged
Energy from the sun is stored in green plants and transferred to consumers
From an evolutionary perspective, mitochondria and chloroplasts are the result of what process?
The genes are located very close together on the same chromosome.
opening and closing of ligand-gated ion channels
a PO3 group, ribose, and uracil
8
Endosymbiosis
Chloroplasts
Evolution occurs in rapid bursts of change alternating with long periods in which species remain relatively unchanged
Energy from the sun is stored in green plants and transferred to consumers
Which statement best describes energy transfer in a food web?
The genes are located very close together on the same chromosome.
opening and closing of ligand-gated ion channels
a PO3 group, ribose, and uracil
8
Endosymbiosis
Chloroplasts
Evolution occurs in rapid bursts of change alternating with long periods in which species remain relatively unchanged
Energy from the sun is stored in green plants and transferred to consumers
Which of the following explains a significantly low rate of crossing over between two genes?
The genes are located very close together on the same chromosome.
opening and closing of ligand-gated ion channels
a PO3 group, ribose, and uracil
8
Endosymbiosis
Chloroplasts
Evolution occurs in rapid bursts of change alternating with long periods in which species remain relatively unchanged
Energy from the sun is stored in green plants and transferred to consumers
In cell signaling, how is the flow of specific ions regulated?
The genes are located very close together on the same chromosome.
opening and closing of ligand-gated ion channels
a PO3 group, ribose, and uracil
8
Endosymbiosis
Chloroplasts
Evolution occurs in rapid bursts of change alternating with long periods in which species remain relatively unchanged
Energy from the sun is stored in green plants and transferred to consumers
A cell with a diploid number of 6 could produce gametes with how many different combinations of maternal and paternal chromosomes
The genes are located very close together on the same chromosome.
opening and closing of ligand-gated ion channels
a PO3 group, ribose, and uracil
8
Endosymbiosis
Chloroplasts
Evolution occurs in rapid bursts of change alternating with long periods in which species remain relatively unchanged
Energy from the sun is stored in green plants and transferred to consumers
Which list of components characterizes RNA?
The genes are located very close together on the same chromosome.
opening and closing of ligand-gated ion channels
a PO3 group, ribose, and uracil
8
Endosymbiosis
Chloroplasts
Evolution occurs in rapid bursts of change alternating with long periods in which species remain relatively unchanged
Energy from the sun is stored in green plants and transferred to consumers
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