Based on diversity, life is divided into Bacteria, Archaea, and Eukarya. These groupings are called
A. kingdoms
B. domains
C. species
D. class
Ans: B. domains
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Pr is located in the __________, and after it absorbs red light, the resulting Pfr moves to the
__________. a. endoplasmic reticulum; plasma membrane b. cytoplasm; nucleus c. plasma membrane; cytoplasm d. cytoplasm; plasma membrane e. nucleus; cytoplasm
The two most important factors that determine an area's climate are:a
temperature and wind. b. humidity and temperature. c. temperature and precipitation. d. cloud cover and wind. e. humidity and fog.
An insecticidal protein has been discovered in a bacterium known as
A. Bacillus thuringiensis. B. Aspergillus sp. C. Agrobacterium tumefaciens. D. Escherichia coli.
When the DNA of a bacterial phage is integrated into a host bacterial cell, that is called _________.
a) lysogenic b) a prophage c) attenuated d) competent