A breath test assaying for radioactive carbon dioxide may be used to indicate the presence of
A. E. coli.
B. Pseudomonas.
C. Streptococcus pyogenes.
D. Helicobacter pylori.
D
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Choose the true statements about the genomes of plants (especially Arabidopsis and rice), animals, and fungi.
_____ Plants, animals, and fungi share most of the same genes for intermediary metabolism, genome replication, and protein synthesis. _____ "Plant" genes include those coding for photosynthetic pathways and morphology. _____ Plants generally have smaller genomes than those of animals and fungi. _____ Rice has fewer genes than humans.
Animals trapped and digested by "carnivorous" plants such as the cobra lily are used primarily as ____
a. an energy supplement during winter months b. a carbon source for the plant c. a nutrient supplement in nutrient-deficient environments d. food for bacteria and fungi that grow symbiotically with the plant roots e. an energy supplement for small plants growing in shady areas
Bone plays a critical role in providing ____ for the blood
a. sodium and calcium ions b. magnesium and phosphate ions c. carbon dioxide d. phosphate and calcium ions e. calcium ions and oxygen
The products of both the BRCA1 and BRCA2 genes bind to a protein involved in repair of
____________________ (what kind of DNA damage?). Fill in the blank(s) with the appropriate word(s).