In an investigation of the cycling of environmental gases, a
student placed water and bromthymol blue in each of four test
tubes as shown in the diagrams below. no additional items were
placed in tube 1, a snail was placed in tube 2, an aquatic plant
(elodea) was placed in tube 3, and both a snail and an elodea
were placed in tube 4. the tubes were then stoppered and placed
in bright light for 24 hours.
tube 1 tube 2 tube 3 tube 4
how would the solution in tube 3 change after 24 hours?
a) it would change from yellow to blue.
b) it would change from blue to brick red.
c) it would contain more oxygen.
d) it would contain less nitrogen.
Answers: 1
Biology, 22.06.2019 04:10, zairaefh3200
Select the correct answer. tay-sachs disease is caused by a mutation in the hexa gene located on chromosome 15. tay-sachs follows an autosomal recessive pattern of inheritance. with the of the diagram, identify which of the offspring will be an unaffected carrier. a diagram showing the genes of parents who are carriers of tay-sachs disease a. a, b, and c b. b and c c. a and d d. a e. d
Answers: 3
Biology, 22.06.2019 14:00, yellowmiki6647
The more rapidly sedimentation occurs, the more likely it is that the remains will successfully form a fossil. as sedimentation continues, what happens to the amount of weight settling onto the organism? stays the same increases decreases cuts in half
Answers: 2
In an investigation of the cycling of environmental gases, a
student placed water and bromthym...
student placed water and bromthym...
Mathematics, 16.07.2020 01:01
Mathematics, 16.07.2020 01:01
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