Which of the following is true of deoxyribonucleic acid (DNA)?

A. It is a coil of the chromosome that consists of smaller segments called genes.
B. It is a reference point that shows the location of all human genes.
C. It determines the sex of a fetus.
D. It consists of four chemical units called bases.


Answer: D

Psychology

You might also like to view...

In the normal pattern of development, mother-infant interactions become increasingly

a. rigid. b. disengaged. c. fussy. d. coordinated.

Psychology

A teacher determines that Mark frequently fights with other children, because his friends praise him when he fights. The teacher would like to use extinction on his behavior, but she has no control over how Mark's friends react to his fighting. Which consideration in the use of extinction is being addressed?

a. ability to maintain consistency b. ability to eliminate the reinforcer c. whether it is safe to use extinction d. whether an extinction burst is tolerable

Psychology

José, who was adopted at birth, is found to have personality characteristics more similar to his biological mom than to his adoptive mom. How should you interpret this data? a. Personality appears to be a polygenetic characteristic. b. Personality characteristics are learned

c. Personality characteristics are influenced by genes. d. Personality characteristics appear to be recessive.

Psychology

Will went into a depression after his 3-year relationship ended. He reported thinking that no one wanted him and that he would be alone for the rest of his life. Will visited a therapist to treat his depression. The therapist focused on reminding Will of his other close relationships, such as friends and family, and getting him to see that he was not alone. Which kind of therapy did Will's

therapist use? A) cognitive restructuring B) psychodynamic therapy C) behaviour therapy D) transcranial magnetic stimulation

Psychology