What role might clays have played in the formation of macromolecules before the evolution of cells?
What will be an ideal response?
Clays hold molecules by weak charges. This can align the components, allow them to react, and then release them.
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Which of the following statements does not describe a function of the lateral meristem?
A. Lateral meristems produce new cells. B. Lateral meristems allow plants to grow in diameter. C. New cells produced by lateral meristems grow in diameter and length. D. Lateral meristems produce the substance we commonly call wood. E. Lateral meristems are responsible for secondary growth.
Viruses are unable to multiply outside of a host cell.
Answer the following statement true (T) or false (F)
What is meant by the term "fluid mosaic model"?
a. It is the diffusion of lipid-soluble substances through the lipid bilayer. b. It is the movement of lipids and integral proteins within the lipid bilayer. c. It is the solubility of water in the membrane. d. It is the method of substance transport across the membrane. e. It is the movement of surface proteins through the membrane
Rank these plant types from those that undergo senescence soonest after seed germination to those that live longest.1. herbaceous perennial2. biennial3. annual4. woody perennial
Fill in the blank(s) with the appropriate word(s).