Plastic bags may still be intact after
a. 100 years.
b. 500 years
c. 40?50 years.
d. 300 years
e. 75?100 years
C
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A microbial environment containing high nutrient concentrations is called an oligotrophic environment.
Answer the following statement true (T) or false (F)
Denitrifying bacteria are often facultative anaerobes, capable of performing other forms of respiration or fermentation as well as nitrate reduction
Indicate whether the statement is true or false.
Which of the following does NOT belong with the others?
A. replication fork B. single-stranded binding proteins C. DNA ligase D. topoisomerase E. helicase
When are the oocytes formed in a human female?
a. When she is pre-adolescent b. Each month as part of the menstrual cycle c. During puberty d. During her own embryonic development