In the cytoplasm, microtubules serve as tracks along which vesicles and other organelles move due to
What will be an ideal response?
the action of specific motor molecules
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Anoxygenic phototrophs may or may not be autotrophs
Indicate whether the statement is true or false.
Diatoms have a special problem:
A. because their + and - mating strains are nonmotile and have to be dispersed by currents B. because their heavy siliceous shells impede conjugation C. because they must await a chemical signal from a fish before they can become mobile and search for mating partners D. because their two halves fit like the lid and body of a pillbox and on repeated cell divisions the half that is overlapped gets progressively smaller E. because the gametes experience difficulty in exiting the overlapping halves of their siliceous shells
Enzyme-linked immunosorbent assays (ELISAs) are available that can serologically identify which Bacillus species?
a. B. cereus b. B. subtilis c. B. thuringiensis d. B. anthracis
Prolactin appears to help us recognize familiar faces and trust other people. Indicate whether the statement is true or false