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.
C
Methods that use particle agglutination involve an antibody that is present in a specimen that binds to the antigen that is exposed on the surfaces of particles, such as latex beads or other car-rier particles.
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The seed coat of a pine seed
(a) is derived from the integuments. (b) is produced by the micropyle. (c) surrounds the male gametophyte. (d) is divided into the hypocotyl-root axis and epicotyl.
You discover a fungus that only makes sexual spores (no asexual spores). The spores are made in groups of four on
the tips of club-shaped structures. Into which group should you classify this fungus?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Which of the following describes the oxygen requirement of fungi?
a. obligate aerobes b. obligate anaerobes c. All of these are correct. d. facultative anaerobes
Answer the following questions true (T) or false (F)
1. The term "semiconservative replication" means that both strands of a DNA molecule are a mix of newly replicated and original template DNA. 2. Most bacteria have a natural ability to take up DNA from their environment. 3. The structure of DNA explains both its ability to encode genetic information and the way in which it is copied during cell reproduction.