How is it possible for water to defy gravity and travel from the roots to the tops of plants? Use the
tension-cohesion model to explain your answer. What will be an ideal response?
Concepts to Consider: Evaporative pull of transpiration extends from leaves to stems and roots,
drawing water upward; water is pulled up in an unbroken column due to the cohesive and adhesive
properties of water.
You might also like to view...
According to the Centers for Disease Control and Prevention, what percent of the population needs to be vaccinated?
a. 50 b. 60 c. 70 d. 80
Quaternary ammonium compounds are disinfectants effective against
A) endospores. B) mycobacteria. C) nonenveloped viruses. D) Pseudomonas aeruginosa. E) enveloped viruses.
Replication of the DNA occurs during
A) metaphase. B) prophase. C) telophase. D) anaphase. E) interphase.
Which of the following is unlikely to trigger degradation of a eukaryotic mRNA in the nucleus?
a. aberrant splicing b. presence of a nonsense codon c. lack of splicing d. misfolding of the mRNA e. lack of a poly(A) tail