When one bacterium transfers a copy of its plasmid to another bacterium, this is called... A: transformation B: transduction C: conjugation D: vertical gene transfer

When bacteria take up naked genetic material from the surrounding environment, this is called... A: transformation B: transduction C: conjugation D: vertical gene transfer

Who ______ the workers to take up the struggle A: called for B: called on C: called in D: called off

John<br/>_______ the office as he was passing, but Mary was out. A: called for B: called up C: called on D: called at

Because the chairman of the board was absent, the meeting had to be ______. A: called out B: called on C: called off D: called up

The meeting had to be ____ because of the absence of chairman of the board. A: called out B: called off C: called on D: called up

The plan had been ________, which made him very angry. A: called off B: called up C: called in D: called on

This organelle is not part of the endomembrane system. It can be found in plants and algae and is responsible for converting solar energy into chemical energy. This organelle is called... A: mitochondria. B: chloroplast. C: lysosome. D: vacuole.

Listen! Someone ________ for help! A: called B: is calling C: has called D: had called

I ______ Mr. Green last week and had a long talk with him. A: called on B: called forth C: called after D: called off