WHAT DOES NATURAL SELECTION RESULT IN
What will be an ideal response?
EVOLUTIONARY ADAPTION
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In the Morse code, a series of dots and dashes code for letters of the alphabet. How is this analogous to the genetic code?
A) There is complementarity in the genetic code (A is complementary to T, and C is complementary to G). B) The bases that make up DNA are coded by the sugar-phosphate backbone. C) The machinery involved in DNA synthesis is analogous to the telegraph equipment used in sending Morse code. D) The bases of DNA code for the more complex amino acid sequence of the proteins in cells.
A new experimental pesticide is being tested by a large agricultural chemical company. An unfortunate side effect in plants treated with this new product is a decrease in NADPH production in the chloroplasts
(Interestingly, reduction of NAD+ to NADH in the mitochondria is unaffected.) Given this observation, which of the following would you expect to observe in the chloroplasts of these plants? A. an increase in 3-phosphoglycerate levels and a decrease in RuBP production B. a decrease in 3-phosphoglycerate levels and an increase in RuBP C. an increase in glyceraldehyde-3- phosphate production D. an increase in 3-phosphoglycerate production and an increase in RuBP
Which stage has the longest life expectancy?
A) ex = 0 B) ex = 1 C) ex = 2 D) ex = 0.5
Glucose can be broken down to provide energy for the beating of cilia. Therefore, the glucose must contain:
A) entropy. B) potential energy. C) kinetic energy. D) heat energy.