Perchlorate contamination of waterways causes which of the following problems in frogs?

a. male frogs with both male and female sex organs
b. excessive growth
c. interference with the metabolism of iodine
d. low blood calcium and slowed bone formation


c

Biology & Microbiology

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Which of the following is in order from most inclusive to least inclusive?

A) kingdom, phylum, order, class, family, genus, species, domain B) domain, kingdom, phylum, class, order, family, species, genus C) kingdom, domain, class, phylum, family, order, genus, species D) domain, kingdom, phylum, class, order, family, genus, species

Biology & Microbiology

Savannas are tropical regions characterized by scant, seasonal rainfall that supports grasses and a few drought-resistant trees

Indicate whether the statement is true or false

Biology & Microbiology

The establishment of DNA as the genome of the cell may have resulted from the need to store genetic information in a more stable form than RNA

Indicate whether the statement is true or false.

Biology & Microbiology

Most ATP molecules are produced during which phase of aerobic respiration?

A) electron transport chain B) fermentation C) glycolysis D) Krebs cycle

Biology & Microbiology