Answer the following questions true (T) or false (F)
1. When an endospore germinates, it gives rise to two daughter cells called vegetative cells.
2. Various species of Streptomyces are important sources of antibiotics.
3. Halophiles grow equally well in the presence or absence of high salt concentrations.
1. FALSE
2. TRUE
3. FALSE
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Cellulose belongs to which of the following groups of macromolecules?
A) lipids B) carbohydrates C) proteins D) nucleic acids E) none of the above
Groups of cells that work together to provide a specific function are called
A. tissues. B. organs. C. organelles. D. tumors. E. organ systems.
Phospholipid molecules that prevent the alveoli from collapsing are known as ________
A) laryngitis B) surfactant C) mucus D) plasma
What do we call populations of organisms that are usually near the carrying capacity?
A. K-selected B. Parasites C. Perennials D. r-selected E. Predators