Roses are red because of which pigment?
a. anthocyanin
b. chlorophyll b
c. beta-carotene
d. phycoerythrobilin
e. chlorophyll a
A
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You observe variation in the auditory signal that males use to attract females. Which of the following would be true if the signal is an accurate indicator of male quality?
a. The highest-quality males have the most common form of the signal. b. The highest-quality males have the most extreme form of the signal. c. Male quality is unrelated to signal variation. d. Only the highest-quality females prefer the highest-quality males. e. Females will use multiple signals to identify the highest-quality males.
Transcription factors like Pax6 interact with their target genes by binding short sequences adjacent to the 5' end of a gene sequence called ____ elements
Fill in the blank with the appropriate word.
The peripheral nervous system is composed of the ____
a. brain and spinal cord b. brain and somatic nerves c. spinal cord and somatic nerves d. spinal nerves and cranial nerves e. spinal cord and spinal nerves
When sperm and egg fuse, a ________ is formed.
Fill in the blank(s) with correct word