Through chemical digestion, nucleic acids are broken down into
A) fatty acids.
B) monosaccharides.
C) nucleotides.
D) amino acids.
Answer: C
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Which of the following techniques reveals
differences in the number of tandem repeats among individuals?
a. PCR b. DNA amplification c. DNA hybridization d. DNA profiling e. DNA probe analysis
What free-living organisms developed into both mitochondria and chloroplasts?
A) protists B) animals C) bacteria D) plants
In photosynthesis, gaseous molecular oxygen (O2) is released. This comes from a compound that goes into photosynthesis. Which compound is it?
a) glucose (C6H12O6) b) carbon dioxide (CO2) c) ATP d) gaseous molecular oxygen (O2) e) water (H2O)
During the day, an open stomata loses about ____ molecule(s) of water for every molecule of carbon dioxide it takes in.
A. 1 B. 10 C. 25 D. 100 E. 400