A number of ____________ cover the rough ER. Fill in the blank(s) with the appropriate word(s)
ANS: ribosomes PTS: 1 DIF: Moderate
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Prokaryotes account for roughly half of terrestrial photosynthesis
A. false B. true
Indicate which of the following mechanisms are used by carnivorous plants to trap or attract prey: (check all that apply)
_____ Pitchers with slippery walls that collect water _____ Traps that are activated by touch _____ Sticky mucilage _____ Insertion of haustoria
A friend of yours is wondering about the differences between the words orientation and navigation when these two terms are used in descriptions of bird migrations. Since you have studied and know something about animal behavior, what do you tell your friend?
A. Orientation is adjusting a bearing, while navigation is actually following a bearing. B. Orientation and navigation are used interchangeably when referring to avian migrations. C. Orientation is following a bearing, while navigation is setting or adjusting a bearing. D. Orientation is following the sun in the day as starling do, while navigation is following a bearing with a small amount of magnetite, which is found in the heads of some migratory birds. E. Orientation is the ability to find true east, navigation is the ability to find a bearing while crossing water.
Sister chromatids are
A) found immediately after a cell divides. B) joined together at a centromere. C) made only of DNA. D) unique to prokaryotes.