All flagellated protozoans _____

a. lack mitochondria c. live as single cells
b. are photosynthetic d. cause disease


C

Biology & Microbiology

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Which of the following statements about hormone effects on behavior is not accurate?

A. Hormones are secreted into the circulation and thus have wide-ranging targets. B. Hormones can affect multiple cells in the target simultaneously. C. Compared to hormone action, neurons are much less specific in their actions. D. Target tissues must have receptors for a particular hormone in order for a response to be elicited. E. Hormone-mediated responses may be different between the sexes.

Biology & Microbiology

The blastopore develops into which structure in protostomes?

a. anus b. mouth c. limbs d. heart

Biology & Microbiology

Pedigrees ____

a. are usually constructed using the phenotypic information of one generation b. cannot determine whether a trait has a dominant or recessive pattern c. use squares to represent females and circles to represent males on their diagrams d. are not useful in deducing the genotypes of parents e. provide information on the patterns of inheritance of a trait

Biology & Microbiology

Plants that grow in ________ areas most likely do not require drying or exposure to cold to break dormancy were it to occur

A) desert B) northern temperate C) arctic D) subtropical or tropical

Biology & Microbiology