When penicillin is used to treat foot rot disease in milk cows, the milk from that cow should be discarded for at least five days after the last treatment is performed
Indicate whether the statement is true or false
False
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Blood pressure is lowest in the
A) arteries. B) arterioles. C) capillaries. D) venules. E) veins.
Which of following properties of microtubules is correct?
A) made of myosin B) made of actin C) found only in the terminal web D) another term for microfilaments E) interact with dynein and kinesin
Which of the following statements about rods and cones in the retina is TRUE?
A. Rods provide higher visual acuity than do cones. B. Cones are found in highest density in the fovea; rods are more prevalent near the edges of the retina. C. Rods require brighter light to activate them than do cones. D. Rods and cones all have the same kind of opsin. E. Cones enable us to see in dim light; rods provide color vision.
Which statement is false?
a. Sound waves are produced by a disturbance pattern in air molecules. b. Sound waves gradually dissipate as they travel from the original sound source. c. Long sound waves vibrate more hair cells near the oval window than near the helicotrema. d. A sound at 60 decibels will always be louder than a sound at 50 cycles per second. e. Sound waves vibrate perilymph before they vibrate endolymph.