When using a microscope to view cells you obtained from scraping under your
fingernails, you notice that the cells lack nuclei; therefore, you conclude that the cells
must be a type of ________ cell.
A) plant
B) eukaryotic
C) fungal
D) prokaryotic - CORRECT ANSWER-D) prokaryotic
The figure shows a Paramecium, a single-celled freshwater protist. The hairlike
structures visible on the Paramecium allow it to move. These structures are ________.
A) microfilaments
B) intermediate filaments
C) flagella
D) cilia - CORRECT ANSWER-D) cilia
Why do bacteria numbers start to decline when treated with antibiotic C but then begin
to increase as time goes on?
A) Some bacteria with resistance to antibiotic C were selected for over time.
B) Additional bacteria were added to the experimental group.
C) Antibiotic C degraded and thus was no longer effective.
D) This is the normal course of bacterial growth no matter which antibiotic is applied. -
CORRECT ANSWER-A) Some bacteria with resistance to antibiotic C were selected for
over time.
The structural combination of DNA and protein forms ribosomes.
True
False - CORRECT ANSWER-False
The figure shows a Paramecium, a single-celled freshwater protist. The hair like
structures visible on the Paramecium allow it to move. These structures are
microfilaments.
True
False - CORRECT ANSWER-False