Pests that eat the same type of food as humans are part of our
A. producers.
B. food web.
C. food chain.
D. All of these answers are true.
B. food web.
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Two probes, A and B, hybridize very near each other in a region of DNA that contains RFLPs when digested with HindIII
The four maps show the location and intervening distances of the HindIII restriction sites and the binding locations of probes A and B. The maps show alleles H1-H4 present in a population. What band(s) is/are seen in Southern blot analysis of a H2H3 heterozygote using probe B? A) 3 kb and 5 kb B) 3 kb and 8 kb C) 3kb, 2kb, and 8 kb D) 5 kb and 8 kb E) 2 kb, 3 kb, and 5 kb
The point at which one or more leaves attach to the stem of a plant is a
A. petiole. B. internode. C. anther. D. sieve tube. E. node.
Groups of related, but distinctly different genes that appear to have arisen from a single ancestral gene are referred to as
A. tandem clusters. B. pseudogenes. C. expressed sequences. D. multigene families. E. segmental duplications.
Which of the following is true of plants?
A) Plants can create their own sugars using fermentation. B) Plants can create their own sugars using photosynthesis. C) Plants can create their own sugars using anaerobic cellular respiration. D) Plants can create their own sugars using aerobic cellular respiration.