Bio 250 Final Exam 2024 BIO 250 FINAL EXAM: COMPREHENSIVE TEST BANK QUESTIONS, VERIFIED A+ ANSWERS AND GUARANTEED SUCCESS FOR BIOLOGY STUDENTS| GRADED A+

Bio 250 Final Exam
2024 BIO 250 FINAL EXAM:
COMPREHENSIVE TEST BANK
QUESTIONS, VERIFIED A+
ANSWERS AND GUARANTEED
SUCCESS FOR BIOLOGY
STUDENTS| GRADED A+


which of then following situations is NOT a way in which a baby acquires normal microbiota? - ANSWER-microbes cross the placenta during pregnancy

which of the following factors will influence the action of antimicrobial agents? - ANSWER-- the number of microorganisms -the type of microorganisms present
- temperature and ph
- mode and dosage of the agent

which of the following is NOT a target of drugs that inhibit protein synthesis? - ANSWER-interference with alanine - alanine bridges in tetrapeptide

an antibiotic is - ANSWER-a naturally occurring compound that kills microbes or inhibits their growth

An antimicrobial that inhibits cell wall synthesis will result in which of the following? - ANSWERcells become more susceptible to osmotic pressure

which of the following is NOT an approach to combat drug-resistant bacteria? - ANSWER-flood a patients system with healthy bacteria to quickly remove access to nutrients and starve the pathogen

the mechanism of action of the antibiotic rifampin (used to treat tuberculosis infections) is - ANSWERinhibition of nucleic acid synthesis

the mechanism of action of the antimicrobial amphotericin B id - ANSWER-disruption of the cytoplasmic membrane

which of the following statements about drug resistance is INCORRECT? - ANSWER-it is not found in gram-positive bacteria

drug-resistant populations of microbes arise when - ANSWER-exposure to drugs selectively kills sensitive cells, allowing overgrowth of resistant cells

a compound is extracted from a microbial culture and is modified in the laboratory for use as an oral medication. This product would be a - ANSWERsemisynthetic antimicrobial

Which group of synthetic antimicrobials act as anti-metabolic drugs because they are structural analogs of para-aminobenzoic acid (PABA)? - ANSWER-sulfonamides

which group of antimicrobials prevent the formation of a peptide bond in protein synthesis? - ANSWER-chloramphenicol

microbes known as resident microbiota are - ANSWER-microorganisms that remain with the person throughout most of their life

Biological transmission differs from mechanical transmission in that biological transmission - ANSWER-involves reproduction of a pathogen in an arthropod vector prior to transmission

the incidence (new cases) of scarlet fever in the year 2000 in the United States was 12.43/100,000 cases. This means - ANSWER-there were 12.43 new cases of scarlet fever for every 100,000 people in the United States in the year 2000


a potential antimicrobial drug is tested and found to strip away the capsules made by certain