Darwin's observations led to his proposal that evolution occurred due to ____
a. acquired characteristics
b. climatic changes
c. natural selection
d. migration
e. interaction of species
ANSWER: c
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When light is absorbed by rhodopsin, ____
a. discs from the outer segment of the rods and cones begin to grow b. discs from the outer segment begin to shed c. cis-retinal is converted to trans-retinal d. trans-retinal is converted to cis-retinal e. the inner segment of the rods and cones releases neurotransmitters
The force necessary to cause microtubules of cilia and flagella to slide alongside one another is
provided through the action of __________ proteins, which derive the energy to perform their work directly from __________ molecules. a. kinesin; ADP b. kinesin; glucose c. tubulin; ATP d. dynein; ATP e. dynein; ADP
If you were raising frying chickens, how much meat could you produce given a metric ton (1000 kg, or 2200 lb) of feed?
A) 200 kg B) 100 kg C) 800 kg D) 1000 kg
Compare and contrast the lytic and lysogenic cycles. Explain why a virus that follows the lytic cycle is often considered easier to manage.
What will be an ideal response?