The pigment responsible for the red-yellow coloration seen in leaves during the color change in autumn is
A. carotenoid.
B. chlorophyll a.
C. chlorophyll b.
D. phytol.
E. porphyrin.
Answer: A
You might also like to view...
The concept proven by the experiment in this
figure is that a. protein is not the encoding material. b. protein enters the host cell. c. protein denatures due to radiation. d. protein is composed of subunits with phosphate. e. all of these are correct
Surrogacy is legal in every state in the United States. Indicate whether the statement is true or false
A couple has four children; one is affected by SCD, and two are carriers of the disease. What can be said of the genotypes of the parents?
What will be an ideal response?
All trees belonging to species A have started to die mysteriously if left untreated. Affected trees that are treated with a fungicide recover. Also, trees in parks that have been treated with broad-spectrum insecticides will not get sick
Which of the following is the most parsimonious explanation for the dying of trees belonging to species A? a. The trees are killed by the feeding activity of insects alone. b. The disease is vectored by insects. c. All trees are killed by a wind-borne fungal disease. d. Some trees are killed by fungal infections while others are killed by insect feeding. e. A and B are equally parsimonious.