In clonal selection, cells that have not interacted with antigen do not proliferate

Indicate whether the statement is true or false.


Answer: TRUE

Biology & Microbiology

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Coxiella burnetii reproduces in the ________ of a eukaryotic host cell.

A. nucleus B. phagolysosome C. cytoplasm D. endoplasmic reticulum

Biology & Microbiology

Based on fossil evidence, ____ is the oldest of the species listed

a. Homo habilis b. Homo erectus c. Australopithecus africanus

d. Australopithecus afarensis e. Homo neanderthalensis

Biology & Microbiology

What organelles transport proteins through the cell?

A. Lysosomes B. Ribosomes bound to rough endoplasmic reticulum C. Golgi apparatus D. Vesicles

Biology & Microbiology

The functions of the human nervous system include

A. sensory input. B. detection of stimuli. C. integration. D. generation of motor output. E. All of the choices characterize the human nervous system's functions.

Biology & Microbiology