Answer the following statements true (T) or false (F)
1. The Calvin cycle produces ATP and NADPH.
2. When chlorophyll a absorbs light, electrons are "excited" and ejected from the chlorophyll a molecule.
3. For most lawn grasses to grow well in hot, dry weather, they must be watered so that their stomata will remain open for longer periods of time to let in O2.
4. C4 plants and CAM plants fix carbon twice during the photosynthetic reactions.
5. Aerobic respiration uses oxygen as its final electron acceptor at the end of the electron transport chain.
1.FALSE
2.TRUE
3.FALSE
4.TRUE
5.TRUE
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The Proteobacteria group contains:
A. bacteria species with similar rRNA sequences. B. anoxygenic photosynthetic bacteria. C. E. coli and salmonella. D. nitrogen-fixing bacteria. E. All of these answer options are correct.
The majority of animals caught in shrimp trawls are the shrimp themselves
Indicate whether the statement is true or false
According to Miller and other researchers, the most difficult condition to have been met in an "RNA world" was to
A. have converted clay particles into organic molecules. B. produce specialized molecules, such as enzymes, lipids, and carbohydrates that supported life functions. C. produce chemical reactions that would produce large molecules. D. synthesize molecules that would coalesce into the correct shape and structure of cells. E. have established molecules that reproduce themselves.
Which of the following is a transfer of genes
between non-homologous chromosomes? a. crossing over b. aneuploidy c. trisomy d. translocation e. duplication