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

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

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