Abigail is a technician extracting DNA for analysis. In which of the following would she expect to f

Abigail is a technician extracting DNA for analysis. In which of the following would she expect to find only a haploid number of chromosomes?

 

   A. Kidney cell.   
 

   B. Skin cell.   
 

   C. Sporophyte.   
 

   D. Zygote.   
 

   E. Spore.   


Darren had a cold and went to the doctor to obtain some antibiotics. The doctor told him that the cold was caused by a virus and antibiotics would be effective only against bacteria. Why? What feature of viruses may make them difficult to treat with drugs?

 

   A. Viruses can hide inside cells.   
 

   B. Viruses are transmissible via body fluids.   
 

   C. Viruses cause acute infections.   
 

   D. Viruses can reproduce using DNA.   
 

   E. Viruses are pathogenic.   



Chen is studying viral carbohydrates. Where would he expect to find these?

 

   A. Cell wall.   
 

   B. Capsid.   
 

   C. Envelope.   
 

   D. Nucleus.   
 

   E. Core.