Which of the following explains the function of a cuticle on land plants?
a. providing a waterproof cover to leaves and stems
b. facilitating the intake of carbon dioxide for photosynthesis
c. regulating the flow of gases and water vapor
d. deterring animals with poisonous secondary metabolites
a. providing a waterproof cover to leaves and stems
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Many plants are filled with toxins that kill or deter herbivores. Many plants sequester these compounds within the cell. Where in the plant cell are these toxic substances most likely stored?
A. Central vacuole B. Mitochondria C. The stroma D. Amyloplasts E. Lysosomes Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about about plant toxin sequestration? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Dolly, the sheep, was the first mammal to be cloned from an adult somatic cell. Unexpectedly, she aged prematurely and died at six years old. She had characteristics of a geriatric sheep. Why was this the case?
What will be an ideal response?
?A senescent cell is metabolically active but cannot divide because it has sustained some type of damage.
a. true b. false
The brain controls organ system function only through direct contact with sympathetic or parasympathetic nerves.
Answer the following statement true (T) or false (F)