Today the term "algae" is used primarily for
organisms in the group(s)
a. bacteria.
b. protista.
c. plantae.
d. bacteria and protista only.
e. bacteria, protista, and plantae
B
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The immunochemical test that involves the agglutination of an artificial carrier particle with the antigen bound to its surface and an antibody present in a specimen is referred to as:
a. double immunodiffusion. b. counterimmunoelectrophoresis. c. particle agglutination. d. enzyme immunoassay.
Young birds see objects flying overhead and respond by crouching down into the nest and remaining still. Over time some objects become familiar and the young birds do not crouch down. What is this type of learning?
A. sensitization B. associative learning C. operant conditioning D. habituation E. Pavlovian conditioning
Parallel evolution involves
A. any two organisms with the same trait. B. two organisms sharing the same trait because they have a common ancestor with that trait. C. two lineages acquiring the same trait independently without the trait being present in a common ancestor. D. possession of homologous structures. E. All of the choices are part of parallel evolution.
What is the function of DNA polymerase?
A) introducing mutations into DNA for evolutionary adaptation B) synthesizing nucleotides from free sugars, phosphates, and bases C) halting DNA replication if a cell becomes cancerous D) breaking sugar-phosphate bonds to release free nucleotides for DNA synthesis E) joining together nucleotides as they are base-paired during DNA replication