What types and subtypes of photoreceptors are present in the retina?
What will be an ideal response?
Rods and Cones
Biology & Microbiology
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Which one of the following bones articulates with the metatarsal bones?
A) phalanges B) fibula C) patella D) tibia E) femur
Biology & Microbiology
To facilitate respiration, birds have extensions of their lungs called __________, which reach into all
parts of their bodies. a. tracheal tubes b. spiracles c. air bladders d. parabronchi e. air sacs
Biology & Microbiology
A teratogen is a drug that:a
increases fertility. b. prevents fertilization. c. prevents implantation of the embryo in the endometrium. d. induces labor. e. interferes with morphogenesis.
Biology & Microbiology
Which of the following is a phenotype?
a. Tt b. T c. Heterozygous d. Short
Biology & Microbiology