Lichens are a symbiosis between ___ and ____
a. cyanobacteria and fungi
b. proteobacteria and fungi
c. firmicutes and amoebas
d. cyanobacteria and proteobacteria
Ans: a. cyanobacteria and fungi
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If a membrane is impermeable to water, the pressure measured by the osmometer will remain constant
a. True b. False
Homeostasis is ultimately regulated by the ____
a. brain b. endocrine glands c. oil glands d. exocrine glands e. circulatory system
Which of the following statements concerning the spinal cord is false?
a. It shows some plasticity and ability for training. b. It serves as a nerve corridor from the body to the brain. c. It is responsible for some reflexive actions. d. It is composed of cell bodies, dendrites, and axons but not glial cells. e. It contains both sensory and motor nerve
What are the conserved features of a bacterial promoter?
What will be an ideal response?