What is the source of energy for plant roots?
What will be an ideal response?
Photosynthesis in the shoot (leaves) uses the sun's energy to form sugars. The sugar must be transported to the plant roots in the phloem. Cellular respiration then makes this energy available to the root.
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The "scientific creationism" view includes all of the following beliefs except that
A. biblical account of the origin of the earth is literally true. B. the earth is much younger than most scientists believe. C. all species of organisms were individually created. D. the organisms did not change from their original appearance. E. extinct species are replaced with new ones.
When calculating the probability of a given genotype in a trihybrid cross, you can generate a Punnett square. Which of the rules of probability can be used to calculate the joint probability of simultaneous inheritance of multiple alleles?
What will be an ideal response?
Which of the following is associated with sexual reproduction?
A) fission, only B) fragmentation, only C) budding, only D) None of these are associated with sexual reproduction.
Which of the following statements concerning steroids is FALSE?
a. They can function as hormones. b. They are exemplified by cholesterol. c. They consist of four attached carbon rings. d. They are synthesized from isoprene units. e. They contain phosphodiester linkages