Biology, 10.07.2019 20:30 TheOneandOnly003
Grassland ecosystems receive very little precipitation. the predominant plants are grasses, and drought and wildfire are common. temperatures in grasslands are warm in the summer and cold in the winter. which of the following describes a biotic component of a grassland ecosystem? a. grasses are common. b. temperatures are warm in the summer. c. there is little precipitation. d. wildfires are common. o_o
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Biology, 21.06.2019 23:00
Which image shows labeled organelles that are present only in plant cells?
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Biology, 21.06.2019 23:00
Neelaredoxin is a 15-kda protein that is a gene product common in anaerobic prokaryotes. it has superoxide-scavenging activity, and it is constitutively expressed. in addition, its expression is not further induced during its exposure to o2 or h2o2 (silva, g., et al. 2001. j. bacteriol. 183: 4413–4420). which of the following statements best describes neelaredoxin synthesis? a-neelaredoxin is produced at all times; levels are constant even when exposed to o2 or h2o2.b-neelaredoxin is produced at all times; exposure to o2 or h2o2 increases expression.c-neelaredoxin is produced at all times; exposure to o2 or h2o2 decreases or prevents expression.d-neelaredoxin is only produced when there is exposure to o2 or h2o2.
Answers: 3
Biology, 21.06.2019 23:10
When elements that form a mineral dissolve in hot water, they form a mixture called a(n) a)geode b)vein c)evaporation d)crystallization e)magma f)lava g)solution h)gem
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Biology, 22.06.2019 06:10
Which process of living things produces water that enters the water cycle
Answers: 1
Grassland ecosystems receive very little precipitation. the predominant plants are grasses, and drou...
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