When George was younger, he had experienced a very painful tooth extraction. Because he developed an extreme fear of dentists, he has not had a checkup in years. To help George overcome his irrational fear, a behavioral therapist is likely to use:.
1. the bell and pad treatment.
2. systematic desensitization.
3. rational-emotive therapy.
4. antianxiety medication.

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

How does a lytic infection differ from a lysogenic infection?

What amino acid is coded for by this sequence after the mutation