RNA is much larger than DNA
a. true
b. false
Answer: b. false
Biology & Microbiology
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Gene flow ____
a. has a homogenizing influence between two populations b. speeds up the divergence of two populations c. increases the genetic variation between populations
d. is promoted by isolating mechanisms e. promotes inbreeding
Biology & Microbiology
The feeding mode of leeches is described as
a. predaceous. b. internal parasitism. c. external bloodsucking. d. predaceous and external bloodsucking. e. predaceous, external bloodsucking, and internal parasitism.
Biology & Microbiology
Saline soils have a higher water potential than plant roots.
Answer the following statement true (T) or false (F)
Biology & Microbiology
The main structure for gas exchange in plants is called the
A. chloroplast. B. root. C. mesophyll. D. epidermis. E. stomata.
Biology & Microbiology