The association of nitrogen fixing bacteria of the genus Rhizobium with legumes such as peas is an example of

mutualism. Indicate whether the statement is true or false.


True

Biology & Microbiology

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he nervous system of many species of flatworms:A

consists of a single, large ganglion in the anterior end. B. is sometimes referred to as tubelike. C. includes two dorsal nerve cords. D. is diffuse and netlike. E. is a “ladder-type.”

Biology & Microbiology

Muscle contraction accounts for over 75% of the heat generated by the body

Indicate whether the statement is true or false

Biology & Microbiology

Osmoregulatory adjustment via the renin-angiotensin-aldosterone system can be triggered by _____

A) sleeping for one hour B) severe sweating on a hot day C) eating a pizza with olives and pepperoni D) drinking several glasses of water

Biology & Microbiology

Assume that four polygenic gene pairs are involved in determining phenotypes of F2. How many phenotypic classes are expected?

A) 8 B) 9 C) 16 D) 4

Biology & Microbiology