A filamentous organelle comprised of tubulins with a diameter of 25 nm is called

A. mycelia.
B. microtubule.
C. intermediate filament.
D. microfilament.


Answer: B

Biology & Microbiology

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Which of the following would be considered components of the complement system? Select all correct choices

A. C-reactive protein (CRP)-mediated opsonization B. the lysis of pathogens via membrane attack complexes (MACs) C. histamine production by mast cells

Biology & Microbiology

Refer to the accompanying figure. The line on the graph labeled B represents the ____


a. change in entropy
b. change in enthalpy
c. free energy of the reactants
d. activation energy with an enzyme
e. activation energy without an enzyme

Biology & Microbiology

Action potentials travel down nonmyelinated axons at ________ action potentials travel down myelinated axons.

A. variable speeds, sometimes faster and sometimes slower than B. slower speeds than C. faster speeds than D. the same speed

Biology & Microbiology

What is one advantage to using cladistics rather than phylogenetic systematics?

What will be an ideal response?

Biology & Microbiology