Which type of organism in this lab can get its nitrogen from nitrogen fixation (converting N2 gas into ammonia), allowing it to grow even if easily used forms of nitrogen are not available in its water or food?
a. Cyanobacteria
b. Daphnia
c. Bosmina
d. Trout
a. Cyanobacteria
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When DNA is replicated in eukaryotes,
A. a molecule of messenger RNA (mRNA) is constructed using DNA as a template. B. the new molecule of DNA includes the bases A, C, T, and U. C. the new molecule of DNA consists of two newly synthesized strands. D. each new molecule of DNA consists of one old strand and one new strand.
Which locations are composed of loose materials (not bedrock)?
A) 1 and 2
B) 2 and 3
C) 3 and 4
D) 1 and 3
E) 2 and 4
Answer the following statement(s) true (T) or false (F)
1. Osaka is Japan's busiest port. 2. North Korea is hillier than South Korea, where farming was and still is very important. 3. The best food in North Korea feeds the army and the rest of the people depend on donated food, ofter of lower quality. 4. The Cultural Revolution took place during the leadership of Sun Yat Sen. 5. Macau has acted as a buffer between China and Russia.
Demanufacturing refers to a process by which
A. consumer appliances and computers are dismantled and valuable materials are recovered. B. products are reused over and over rather than being remanufactured from recycled materials. C. consumers are simplifying their lives and purchasing less stuff.