____ functions as a container or way to package substances in the cell.
A. Chloroplast
B. Chromosome
C. Vesicle
D. Ribosome
E. Centriole
Ans: C. Vesicle
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The first cells were
a. autotrophic. b. parasitic. c. anaerobic. d. aerobic. e. all of these.
DNA nucleotide sequences that indicate when RNA polymerase should finish making an RNA molecule are called
A. enhancer sequences. B. elongation sequences. C. genetic recombinant sequences. D. termination sequences.
A sample from a patient is prepared using the Gomori methenamine silver stain. What type of microbe is suspected of being present?
A. bacteria B. parasitic worm larva C. fungus D. protozoal parasite E. virus
In this experiment, step three uses a protease along with heat to denature and digest proteins within the cell. Does the protease or the heat digest the protein?
A) Protease digests proteins and heat denatures proteins B) Heat digest proteins and protease denatures proteins