If a reaction releases free energy it is termed which of the following?

a. exergonic reaction
b. endergonic reaction
c. metabolic reaction
d. bioenergetic reaction


a. exergonic reaction

Biology & Microbiology

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Nucleic acid sequencing methods are based on:

a. the ability of two nucleic acid strands that have complementary base sequences to bond specifically with each other and form a double-stranded molecule. b. detecting phenotypic traits not detectable by conventional strategies. c. the principles of complementary nucleic acid hybridization with those of nucleic acid replication. d. determining the exact nucleotide sequence of a gene or gene fragment obtained from an organism.

Biology & Microbiology

Refer to Figure 31-1. The type of larva pictured at #4 is a:


A. planula.
B. miracidium.
C. cercaria.
D. polyp.
E. medusa

Biology & Microbiology

The ________ system is composed of the kidneys, ureters, bladder, and urethra

A) digestive B) reproductive C) urinary D) circulatory E) respiratory

Biology & Microbiology

Cladistic analysis of populations of blue wildebeest in Africa has helped to show that habitat fragmentation has led to a loss of ____.

A. evolution B. alleles C. genes D. gene flow E. mutations

Biology & Microbiology