In the figure above, what absorbs photons of light only in the blue/violet range and not light in the red
portion of the spectrum?
a. 5 with 3
b. 5 with 4
c. 5, regardless of the R group
d. 6
e. 7
E
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Schizophrenia and bipolar disorder are caused by _____
a. one gene, plus environmental triggers b. the same gene c. many genes, plus environmental triggers d. copy number variants, without environmental triggers e. the same mutations that cause autism spectrum disorders
The carboxyl group can exist in an ionized form and also in a nonionized form
__________________ Indicate whether the statement is true or false.
An individual plant was discovered that could not grow towards light. After some research, it was determined that the reason was a defective gene that did not allow for the level of cell elongation necessary for a phototropic response. This mutation greatly reduces the fitness of the individual plant. Which reason best describes the reason for the loss of fitness?
A) The plant was too short to attract insects for pollination. B) The plant could not adjust to directional light, which reduced photosynthetic activity and therefore energy available for reproduction. C) Because the plant grew much taller and straighter, resources that could be used for reproduction were used for growth. D) The loss of a phototropic response meant that the plant's seeds could not germinate so reproduction would be unsuccessful.
Which of the following statements about the functions of a plant cell central vacuole is false?
A) The central vacuole of a plant cell may help increase the size of cells by absorbing water. B) The central vacuole of a plant cell may store waste products. C) The central vacuole of a plant cell may digest chemicals for recycling. D) The central vacuole of a plant cell may store poisons.