If photosynthetic eukaryotic cells are provided with CO2 synthesized with heavy oxygen (18O), the 18O label may be found in all but one compound. That compound is ____.
a. 3-phosphoglycerate
b. cellulose
c. glucose
d. O2 gas
e. RuBP (ribulose bisphosphate)
ANSWER: d
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Rheumatic fever is caused by infections from which genus of bacteria?
a. Streptococcus b. Staphylococcus c. Escherichia d. Micrococcus e. Mycobacterium
Which of the following questions is most appropriate to an investigation at the population level?
A) What is the effect of diminished resources on an individual's life span? B) What is the relationship between resource availability and birthrate? C) What factors influence the distribution of tropical forests? D) How long does it take for carbon to be cycled from the atmosphere into living tissue?
Human eggs undergo holoblastic cleavage during development.
Answer the following statement true (T) or false (F)
If the entropy in a biological system increases, ________________________ increases.
Fill in the blank(s) with the appropriate word(s).