Cyanobacteria can be found in columns of fossils referred to as:
a. protobionts.
b. anaerobes.
c. stromatolites.
d. microspheres.
e. ribozymes
C
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Fast-twitch muscle fibers ________.
Fill in the blank(s) with the appropriate word(s).
The number of allele pairs that assort independently in an organism is generally much higher than the number of chromosome pairs. This phenomenon is due to
A. chromosome inactivation. B. independent assortment. C. crossing over. D. sex-linkage. E. segregation.
Transduction is a form of recombination in bacteria that involves ________
A) bacteriophages B) physical contact between the bacteria involved C) 5-bromouracil D) fertility factors E) plasmids
Which of the following characteristics is not a property of cells or living things?
A) All of the choices are not fundamental characteristics of living things B) Responds to stimulus C) Ability to replicate D) Cell boundary E) Nucleus