Pore in leaves that regulates gas exchange.  

  Choose the letter of the best match:
A. abscisic acid
B. trichomes
C. aquaporin
D. endodermis
E. stoma


E. stoma

Biology & Microbiology

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In gram-positive Bacteria, the cell walls are composed mainly of thick ________ layers

A) protein B) poly-?-hydroxybutryic acid (PHB) C) lipopolysaccharides (LPS) D) peptidoglycan

Biology & Microbiology

In his book Principles of Geology, Lyell argued that:

What will be an ideal response?

Biology & Microbiology

The Meselson and Stahl experiment provided conclusive evidence for the semiconservative replication of DNA in E. coli. What pattern of bands would occur in a CsCl gradient for conservative replication?

What will be an ideal response?

Biology & Microbiology

Which is an example of vehicle disease transmission?

A) Touching a telephone with cold viruses on its surface B) The presence of Listeria on undercooked chicken served for dinner C) The bite of a mosquito containing malaria D) The transmission of MRSA from skin to skin contact

Biology & Microbiology