You have isolated a prokaryotic cell. the first step in identification is a(n) a) gram stain. b) lactose fermentation test. c) endospore stain. d) flagella stain. e) dna fingerprint.

Adoctor is trying to diagnose a patient with dry skin. which of the following resources would be the most ? a magazine ad about soft skin a growth chart online articles about dry skin medical books

Which worm has eyespots that are used to detect light? a fluke b marine worm c planarian d tapeworm

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow