When considering whales and dolphins, the relative absence of hair is considered a __________
character within mammals.
a. plesiomorphic
b. ancestral
c. synapomorphic
d. phenetic
e. cladistic
A
Biology & Microbiology
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Capases are __________ that are active in the first stages of __________
a. genes; polarity establishment b. genes; cancer c. transcription factors; cancer d. hormones; apoptosis e. proteolytic enzymes; apoptosis
Biology & Microbiology
Which type of plant tissue is considered primarily photosynthetic?
a. vascular tissue b. dermal tissue c. ground tissue d. root tissue
Biology & Microbiology
Some bacteria form a capsule or slime layer around their cell wall in order to promote motility
Indicate whether the statement is true or false
Biology & Microbiology
The approximate diameter of an actin filament is
a. 8-12 nm. b. 7 nm. c. 25 nm. d. 5 mm.
Biology & Microbiology