The chromatin structure in eukaryotic cells is much more complicated than that observed in prokaryotic cells. This is thought to be the reason that DNA replication occurs much faster in prokaryotes. How much faster is it?
(a) 2×
(b) 5×
(c) 10×
(d) 100×
(c)
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_____ can have similar effects on population sizes as predators; that is, keeping populations below carrying capacity and limiting competitive exclusion
A. Parasites B. Interspecific competitors C. Facultative mutualists D. Commensals E. Obligate mutualists
DNA nucleotides include ________
A) uracil, guanine, adenine, and cytosine B) thymine, guanine, adenine, and cytosine C) thymine, uracil, adenine, and cytosine D) thymine, guanine, adenine, and uracil
In water treatment, the purpose of flocculation is to remove microbes, such as Giardia and Cryptosporidium
Indicate whether the statement is true or false
An X-ray revealed that Josh's lungs were filled with fluid. What is the proper diagnosis of Josh's illness?
A. pneumonia B. pulmonary fibrosis C. asthma D. bronchitis E. emphysema