Which of the following is an example of an error in chromosome number?

a. inversion
b. deletion
c. trisomy
d. duplication


c. trisomy

Biology & Microbiology

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Stomatal pores function to allow which of the following?

A. loss of water vapor from leaves B. entry of CO2 into leaves C. prevention of water loss from leaves D. escape of O2 from leaves E. All of the choices are correct

Biology & Microbiology

Fish and crustaceans are similar in that both use _____________ for gas exchange.  

A.  tracheal tubes B.  gills C.  the walls of the mantle cavity D.  the moist surface of their skin E.  lungs

Biology & Microbiology

What is the counterstain used in acid fast staining?

What will be an ideal response?

Biology & Microbiology

Which of the following types of membrane proteins are responsible for facilitated diffusion?

A) Connection proteins B) Enzymes C) Transport proteins D) Receptor proteins E) Recognition proteins

Biology & Microbiology