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


D) prokaryotic

Biology & Microbiology

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Four of the five answers listed below assist in chromosome movement. Select the exception

a. microtubule b. spindle microtubules c. centromeres d. centriole e. nuclear envelope

Biology & Microbiology

The total energetic costs of reproduction per unit of time are referred to as an individual's ________

Fill in the blank(s) with correct word

Biology & Microbiology

Resistance of a microorganism to an antibiotic

A) means that the microorganism is susceptible to the antibiotic B) can be acquired by genetic changes as well as by non-genetic mechanisms C) leads to a disruption of cell membrane function D) leads to a disruption of normal microflora

Biology & Microbiology

An open system in which the growth rate is maintained by adding a nutrient (present in limiting quantities) at the same rate that medium containing microorganisms is removed is called a ________.

A. culturostat B. chemostat C. turbidostat D. manostat

Biology & Microbiology