Numbering about 120 million in each eye, which receptor cells allow us to see in dim light and are responsible for our seeing black and white images?

Which basic personality traits from the five-factor model seem most important in the development of histrionic personality disorder?

a. Low openness to feelings and high fantasy proneness b. High extraversion and high neuroticism c. High neuroticism and low agreeableness d. High conscientiousness and low assertiveness

According to the textbook, ____ is required for the development of male genital organs

a. androgens b. progestin c. Wolffianinhibiting substance d. estradiol