Cellular respiration requires fuel (glucose) and oxygen gas. The main process that produces these inputs is _____.

A. photosynthesis
B. glycolysis
C. electron transport
D. the citric acid cycle


Answer: A. photosynthesis

Biology & Microbiology

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Integumentary exchange of gases implies that the animal ____

a. has a shell b. has a tracheal system c. lives in a moist location d. has a siphon e. lives in an arid location

Biology & Microbiology

A chemical that inhibits beta-lactamase enzymes is ________.

A. aztreonam B. imipenem C. penicillinase D. clavulanic acid E. synercid

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Genes that are duplicated within a genome and later diverge in function, such as the RNASE1 and RNASE1B genes in douc langur monkeys, are described as ________

A) duplicated genes B) orthologous genes C) homologous genes D) paralogous genes E) derived genes

Biology & Microbiology

Which lineage of Echinoderms is made up of about 2000 species of brittle stars and basket stars, each with elongated, slender, somewhat snakelike arms surrounding a well-defined central disk?

a. Ophiuroidea b. Echinoidea c. Holothuroidea d. Crinoidea

Biology & Microbiology