You received your genetic material from your parents in the form of DNA. Your DNA provides your cells with instruction for making ________
A) lipids
B) proteins
C) polysaccharides
D) cholesterol
B
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Sometimes atoms gain or lose particles. The loss of which of the following would result in a change of overall electrical charge?
A. protons or electrons B. protons only C. electrons only D. neutron only E. protons or neutrons F. neutrons or electrons
The first organisms
a. had to be aerobic. b. were pathogenic. c. had to be anaerobic. d. were heterotrophs. e. were multi-celled
The Antennapedia complex and the bithorax complex of genes all encode transcription factors that have a 180-bp DNA-binding domain. What is this domain called?
What will be an ideal response?
Trees often produce secondary chemicals to deter herbivores from feeding on their leaves; in turn, many herbivores have developed ways of avoiding or detoxifying these chemicals. This is an example of
A) competitive exclusion. B) coevolution. C) parasitic evolution. D) parasite predation. E) predatory avoidance.