The plant pathogen ________ is a member of the alphaproteobacteria that alters plant cells by introducing DNA into them.
A. Azotobacter
B. Agrobacterium
C. Rhizobium
D. Pseudomonas
E. Bdellovibrio
Answer: B
Biology & Microbiology
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Which of the boxes marked 1-4 correspond to plants with a heterozygous genotype?
A) 1 B) 1 and 2 C) 1, 2, and 3 D) 2 and 3 E) 2, 3, and 4
Biology & Microbiology
Skill memories
a. are created when one consciously repeats an activity many times. b. involve the amygdala. c. involve the hippocampus. d. involve the corpus striatum. e. are created when one consciously repeats an activity many times and involve the cerebellum.
Biology & Microbiology
The closest relatives of fungi and animals are
a. amoebozoans. b. chlorophytes. c. alveolates. d. stramenopiles. e. none of these.
Biology & Microbiology
Which enzyme is used in medicine as a blood thinner?
A. Rennet B. Streptokinase C. Protease D. Cellulase E. Hemolysin
Biology & Microbiology