Question 9 of 25 What difference between bacteria and viruses shows that bacteria are living
organisms and viruses are not?
A. Only bacteria have DNA with no nuclei.
B. Only bacteria can use conjugation.
C. Only bacteria can reproduce outside a host.
D. Only bacteria reproduce asexually.
SUBMIT

25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

Which part of cellular respiration must occur before any of the other steps can occur