Which vertebrates exhibits a "flow through" respiratory system?

A. mammals
B. birds
C. amphibians
D. fishes
E. birds and fishes


E. birds and fishes

Biology & Microbiology

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The few ancestors of the Galàpagos finches who colonized the islands would be an example of

A. a founder effect. B. a bottleneck. C. increased mutation rate. D. natural selection. E. gene flow.

Biology & Microbiology

The functional group -NH2 is called the ________ group.

A) methyl B) alcohol C) amino D) carboxyl

Biology & Microbiology

If the sequence of bases in a section of DNA is TAGGCTAA, what is the corresponding sequence of bases in mRNA?

A) ATCCGATT B) CGAAUCGG C) TAGGCTAA D) AATCGGAT E) AUCCGAUU

Biology & Microbiology

Your mother worries because every time you drink milk, you have abdominal discomfort and bloating. You tell her not to worry. Explain your problem and how you can treat it

What will be an ideal response?

Biology & Microbiology