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

Biology & Microbiology

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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

Biology & Microbiology

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.

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An insecticidal protein has been discovered in a bacterium known as

A. Bacillus thuringiensis. B. Aspergillus sp. C. Agrobacterium tumefaciens. D. Escherichia coli.

Biology & Microbiology

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

Biology & Microbiology