Which of the following is an example of a polysaccharide?
A) glycogen
B) glucose
C) fructose
D) deoxyribose
E) sucrose
A
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An underwater volcano has erupted, and as the lava cools a new island has formed. Which types of animal species are likely to be among the first to colonize the island? (Check all that apply)
_____ annelids _____ bats _____ birds _____ insects _____ snails _____ snakes _____ tapirs _____ tortoises Clarify question: What is the key concept addressed by the question? What type of thinking is required? Gather Content: What do you already know about colonizing a new environment? What other information is related to the question? Choose Answer: Given what you now know, what information is most likely to produce the correct answer? Reflection on Process: Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Deforestation:a
retards soil erosion. b. releases carbon dioxide that may contribute to global warming. c. has no effect on the extinction of biological species. d. promotes the preservation of tropical birds. e. is only a threat to tropical rain forests.
In this sample of cells, what stage of the cell cycle are most of the cells in?
A) G1 B) S C) G2 D) mitosis
Researchers are trying to make a genetically modified (GM) pig that expresses bovine (cow) growth hormone to make it grow bigger. They isolated the bovine growth hormone gene, cut it and a plasmid with the same restriction enzyme, and mixed them
together. They inserted the mixture into pig zygotes, but only normal pigs, not GM pigs, grew. What did they likely do wrong? A) They are trying to make a GM animal, which is impossible. B) They forgot to add DNA ligase after mixing the plasmid and gene together. C) They should have used different restriction enzymes to cut the plasmid and the gene. D) They forgot to use PCR and make multiple copies of the growth hormone gene.