Radish plants under insect attack
A) produce bitter chemicals and grow spines on their leaves.
B) produce the defensive toxin nicotine.
C) rapidly fold their petioles together.
D) release salicin, which is converted to salicylic acid within the insect.
A
You might also like to view...
You are studying a population of geese in which there are two color phases, brown and gray. Color in this species is controlled by a single gene, with brown dominant to gray. A random sample of 250 geese shows that 210 are brown. What percentage of the brown geese are heterozygous? (Assume that the population is in Hardy-Weinberg equilibrium.)
A. 36% B. 43% C. 48% D. 57% E. 84% 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 the Hardy-Weinberg principle? 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?
The largest genus in the order Lactobacillales is ________ with around 100 species.
A. Streptococcus B. Leuconostoc C. Lactobacillus D. Listeria
Wherever there is an adenine on a DNA strand, during transcription it will be base-paired with a ________ on an RNA strand
A) adenine B) cytosine C) uracil D) guanine E) thymine
What are two inflammatory mediators secreted by basophils and mast cells?
A. immunoglobulins and antibodies B. antibodies and antigens C. histamines and prostaglandins D. allergens and antigens E. pyrogens and prostaglandins