Every ________ of latitude is equivalent to ________ of time
a. 5 degrees; 1 hour
b. 25 minutes; 1 hour
c. 15 degrees; 1 hour
d. 15 minutes; 1 hour
c
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Dmitri Ivanovski demonstrated that TMV was not spread via bacteria by
A. transmitting sap of infected plants from generation to generation. B. filtering sap from an infected plant through pores smaller than bacteria, and then applying it to a healthy plant. C. spraying sap from an infected plant onto a healthy plant. D. sterilizing sap from an infected plant and then applying it to a healthy plant. E. treating an infected plant with a broad spectrum of antibiotics before extracting sap.
A flower with petals, sepals, stamens, and one carpel is
a. perfect and incomplete. b. imperfect and complete. c. imperfect and incomplete. d. perfect and complete. e. sterile
Henrietta knows her arm's position as she lifts it away from her body in a completely darkened room because her brain is getting information from these general sense receptors
A) Merkel discs B) thermoreceptors C) hair cells D) Golgi tendon organs
Although MCF-10A breast cancer cells grow well on Matrigel-coated culture dishes, the cells will form cysts of polarized cells that produce milk only when
A) extra collagen is added to the Matrigel. B) extra fibronectin is added to the Matrgel. C) extra elastin is added to the Matrigel. D) the Matrigel layer is thick enough to form a 3D environment. E) the Matrigel layer is present as a very thin layer on the culture dishes.