Gloria’s doctor diagnoses her with hepatitis b, which is a viral infection. which body system will fight this infection? a. respiratory b. integumentary c. immune d. digestive e. circulatory

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Classify the structures as homologous or analogous, depending on their structure and function.

Which of th following best describes how genes produce traits in an organism?