Biology, 15.02.2021 03:10, kataldaine
1. The diagram below represents three steps in the digestion of the sugar O points
sucrose. In this diagram, structure X is most likely
-H2O
Х
Х
Х
Step 1
Step 2
Step 3
a molecule of oxygen
the end product
O
an enzyme molecule
O the sugar
Answers: 2
Biology, 22.06.2019 10:50, luisannavasquez6129
Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%
Answers: 2
Biology, 22.06.2019 11:20, gamallopatty
Archeologists have discovered three sites showing conclusive evidence for the mastery of fire in tanzania, from a period slightly after the time that homo habilis was present in africa. these sites clearly were founded by homo erectus, the descendent species of homo habilis that migrated north, out of africa and into asia. homo erectus was known to have mastered fire, from ample evidence at sites in asia. there is no reason to attribute mastery of fire to homo ergaster, the descendent species of homo habilis that remained in africa. which of the following is an assumption on which the argument depends? (a) before their migration, homo erectus occupied african territory as far south as tanzania.(b) the strain of migration provided the selective pressure motivating homo erectus‘ mastery of fire.(c) homo ergaster would not have derived as much benefit from the mastery of fire as did homo erectus.(d) homo ergaster inherited all cultural knowledge from homo habilis, a species that did not have mastery of fire.(e) homo ergaster did not occupy regions as far south as tanzania until well after the time of these three sites.
Answers: 2
1. The diagram below represents three steps in the digestion of the sugar O points
sucrose. In this...
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