The structure labeled "C" is the
a. right ventricle.
b. left atrium.
c. left ventricle.
d. trunk of the pulmonary arteries.
e. right ventricle
E
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The big bang theory states that the universe began approximately ________ years ago
a. 3.5 billion b. 10,000 c. 1.2 million d. 120 million e. 13 billion
What type of metal associates with hemoglobin?
What will be an ideal response?
What is one characteristic of sensory receptors?
a. Sensory receptors consist of the endings of efferent neurons. b. Sensory receptors detect changes in the external or internal environment. c. Several sensory organs make up a sensory receptor. d. Sensory receptors produce small amounts of energy on a continual basis. e. Sensory receptors detect changes in the external but not the internal environment
When gene duplication occurs to its ultimate extent by doubling all genes in a genome, what has occurred?
A) pseudogene creation B) creation of a gene cluster C) creation of a polyploid D) creation of a diploid