Which structures in the plant connect the cytoplasm of adjacent plant cells?
a. Lignin
b. Extracellular matrix
c. Cell membrane
d. Cell wall
e. Plasmodesmata
e
You might also like to view...
In an enzyme-catalyzed reaction, the reactant is called the
A. coenzyme B. catalyst C. substrate D. product
One group of fruit flies reproduces in August and one group reproduces in September. Which of the
following mechanisms is preventing them from cross breeding? a. hybrid sterility b. genetic isolation c. sexual isolation d. mechanical isolation e. temporal isolation
Forests and other natural ecosystems, such as wetlands, exhibit the "sponge effect," meaning that they
A) soak up water from runoff and rainfall, and thus accumulate pollutants B) soak up pollutants from runoff and rainfall, releasing it quickly into streams and rivers and raising their levels C) soak up water from runoff and rainfall, saturating nearby ecosystems D) soak up water from runoff and rainfall, releasing it at a regular rate that moderates flooding of streams and rivers E) draw water away from rivers and streams, lowering their levels
Defensive proteins can assist the immune response by ________
A) helping viruses reproduce B) directly destroying pathogens C) reducing inflammation D) increasing lymph production