The flowers of seagrasses are small and inconspicuous, rather than large, colorful, and scented. Explain why these characteristics are useful in the marine environment
What will be an ideal response?
Seagrasses are hydrophytes that are usually submerged. In this under-water environment there are no ecological equivalents to insects, which transfer pollen from flower to flower of terrestrial plants. Instead, seagrasses rely on currents for pollination. As a result, there is no need for large conspicuous scented flowers to attract nonexistent insects.
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A high-energy electron from NADH entering the electron transport chain would travel among components of the chain in what sequence?
A. complex I, coenzyme Q, complex III, cytochrome C, complex IV, oxygen B. complex I, coenzyme Q, complex III, cytochrome C, ATP synthase, oxygen C. complex II, cytochrome C, complex IV, cytochrome C, oxygen D. complex II, coenzyme Q, complex IV, cytochrome C, ATP synthase, oxygen E. complex I, coenzyme Q, complex II, cytochrome C, complex III, coenzyme Q, complex IV, cytochrome C, oxygen
Which molecule is responsible for separating double-stranded DNA into single strands?
A. DNA primase. B. DNA helicase. C. topoisomerase. D. DNA ligase. E. single-stranded binding proteins.
Fats, proteins, and complex carbohydrates are all synthesized by
A. hydrolytic reactions. B. dehydration synthesis. C. exchange reactions. D. hydrogen bonding. E. catabolic reactions.
ALL of the following are processes involved in the assembly of the rabies virus EXCEPT
a. transcription of the rabies virus genome in the nucleus. b. migration of envelope proteins to the cytoplasmic membrane. c. migration of nucleocapsids to cytoplasmic membrane. d. coating of nucleocapsids with glycoproteins.