What group of molecules is represented in this structure?
a. structural proteins
b. polysaccharides
c. triacylglycerols
d. phospholipids
e. polypeptides
d
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In 2005, a spot that is one centimeter from the center of a woody stem of an oak tree is in the bark. In what tissue will a spot that is one centimeter from the center be in 2050?
A) bark B) secondary phloem C) vascular cambium D) secondary xylem
Which of the following is not a type of sequence identified by gene annotation?
A. topoisomerase B. noncoding RNA C. single copy gene D. tandem repeat E. simple sequence repeat
All evidence suggests that the Neanderthals did not interbreed with our ancestors
A. true B. false
Adaptations for deep diving in cetaceans include all the following except:
a. expelling air from the lungs. b. large lungs with large number of air sacs. c. rib cage that can collapse. d. sonar for detecting the depth. e. high red blood cell count