Which of the following statements best supports the claim that organisms share fundamental processes as a result of evolution?
(A) All organisms that are introduced into new environments have the capacity to fill vacant ecological roles.
(B) All organisms have the ability to utilize oxygen to harness energy from the chemical breakdown of organic compounds.
(C) All organisms share a genetic code organized into triplet codons, making it possible for one organism to express a gene from another organism.
(D) All organisms possess structures such as chloroplasts and mitochondria within their cells that reflect past symbiotic relationships between prokaryotic precursors.
Ans: (C) All organisms share a genetic code organized into triplet codons, making it possible for one organism to express a gene from another organism.
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In the figure above, which of the following statements is true?
A) All of the species of insects shown are in the order Hymenoptera. B) There are no true mimics in the insects shown. C) All of the insects are displaying Batesian mimicry. D) Half of the six insects shown are harmless.
Which of the following is a function of proteins in the plasma membrane?
a. protein synthesis b. transport c. lipid synthesis d. glycolysis
Which statement most accurately compares the recovery from fire in the mesquite community to that of the prairie dog community? a. The prairie dog community experienced a temporary disturbance and quick recovery, while themesquite community experienced a change in community structure
b. The prairie dog community experienced a change in community structure, while the mesquitecommunity experienced a temporary disturbance and quick recovery. c. Both communities experienced a quick recovery following a fire. d. Both communities experienced comparable, quick recovery following a fire.
This disease most commonly occurs because
an enzyme that crosslinks fibrin strands into a stable mesh is defective. This disease is
a. sickle-cell anemia. b. hemophilia. c. atherosclerosis. d. hypertension. e. emphysema