Which T cell is responsible for releasing cytokines?

a. Cytotoxic T cells
b. Helper T cells
c. Regulatory cells
d. Memory Cells


Answer: b. Helper T cells

Biology & Microbiology

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Blood agar is an example of a(n) ________ medium

A) selective B) general-purpose C) enrichment D) differential

Biology & Microbiology

Organic molecules store _________ energy in their ______________ bonds

A. potential; ionic B. potential; covalent C. kinetic; ionic D. kinetic; covalent E. kinetic; hydrogen

Biology & Microbiology

Which of these biomes receives the least amount of rainfall, and therefore has low primary production, nutrient-poor soil, and plant species that are adapted for water-storage?

A. tundra B. alpine C. chaparral D. desert E. savannah

Biology & Microbiology

Prokaryotic cells are ____

a. found only in extreme habitats b. the least common organisms on earth c. easily seen with the naked eye d. stationary organisms e. widespread on the planet

Biology & Microbiology