Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 16418
TLS Online TPP Program

#Question id: 4602

If the bacterium Staphylococcus aureus experiences a cost for maintaining one or more antibiotic-resistance genes, what would happen in environments that lack antibiotics?

#XL - S Microbiology

  1. These genes would be maintained in case the antibiotics appear.

  2. These bacteria would be outcompeted and replaced by bacteria that have lost these genes.

  3. These bacteria would try to make the cost worthwhile by locating and migrating to microenvironments where traces of antibiotics are present.

  4. The number of genes conveying antibiotic resistance would increase in these bacteria.

More Questions
TLS Online TPP Program

#Question id: 20140

#XL - P Chemistry

How fast an electron is moving if it has a wavelength equal to the distance it travel in one second?
TLS Online TPP Program

#Question id: 9602

#XL - S Microbiology

The legless condition that is observed in several groups of extant reptiles is the result of 
TLS Online TPP Program

#Question id: 1024

#XL - T Zoology

The cell wall of Gram-positive bacteria
TLS Online TPP Program

#Question id: 9277

#XL - Q Biochemistry

The light energy absorbed by the carotenoids is transferred to chlorophyll for photosynthesis; because of this role they are called
TLS Online TPP Program

#Question id: 11316

#XL - R Botany

Primary production generally determines the sizes of higher trophic levels. This observation provides support for __________ control of community structure.