pH 4 is ______________x more acidic than pH 7.
Fill in the blank(s) with the appropriate word(s).
1000
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Instead of being isolated by pure culture, SAR11 was discovered when researchers analyzed the gene sequences contained within seawater samples
A. true B. alse
The lungs lie within the ___ cavity
a. thoracic b. abdominal c. pelvic d. cranial e. spinal
When plants first colonized land, the space they occupied was two-dimensional: the surface of the land. Which adaptation allowed plants to occupy a three-dimensional environment?
A) double fertilization B) seeds C) vascular system D) flowers
Cellular respiration is an efficient process that captures approximately 35% of the energy in glucose. From 1 molecule of glucose, it yields:
a. 3 to 4 ATP, depending on the tissue and organism. b. 10 to 12 ATP, depending on the tissue and organism. c. exactly 40 ATP, in every tissue and organism. d. 30 to 32 ATP, depending on the tissue and organism. e. exactly 35 ATP, in every tissue and organism.