An asymptomatic carrier (healthy carrier or just carrier) is a person or other organism that has become infected with a pathogen, but who display no signs nor symptoms. Although unaffected by the pathogen themselves, carriers can transmit it to others

a. true
b. false


Answer: a. true

Biology & Microbiology

You might also like to view...

Genes that encoded for polymerases, gyrases, ribosomal proteins, and other proteins essential to replication, transcription, and translation are present on

A) chromosomes. B) plasmids. C) chromosomes and plasmids. D) neither chromosomes nor plasmids.

Biology & Microbiology

Nonprotein coding pieces of pre-mRNA that are removed during RNA splicing are called ________

A) introns B) exons C) SNPs D) promoters E) poly(A) tails

Biology & Microbiology

As a result of the transition from daytime to nighttime, how will the relative concentrations of glyceraldehyde 3-phosphate (G3P) and ribulose 1,5-bisphosphate (RuBP) change in C3 plants?

A. The concentrations of G3P and RuBP would both decrease. B. G3P would decrease and RuBP would increase. C. The concentrations of G3P and RuBP would remain the same. D. G3P would increase and RuBP would decrease.

Biology & Microbiology

How many hydrogen bonds can a water molecule form?

A. 1 B. 2 C. 3 D. 4 E. 5

Biology & Microbiology