Biology, 28.09.2020 07:01 nataliaalejandradasi
Use your understanding of the scientific method to complete the following questions.
A group of scientists is testing a new chemical to determine if it will act as a sunscreen and
prevent sunburn. The same amount of lotion is applied to each person in the same size area and
the test subject's arm is exposed to direct sunlight. The amount of redness is measured every 5
minutes for a total of 30 minutes.
For each person tested, 3 different lotions are applied to the test subject's arm:
1. a lotion with the new sunscreen chemical called Sun X
2. a lotion with a different active sunscreen chemical that has been successfully used for many years
called Sun Kissed
3. a lotion that has all the same ingredients as the sunscreens except it has no active sunscreen
chemical
1. What question is being asked in the experiment above?
2.
What hypothesis is being tested in the experiment described above?
Answers: 3
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Pink fur (p) is dominant to purple fur (p) in hamsters. two heterozygous pink hamsters are crossed. what is the probability that these two parents will have an offspring with purple fur? 2/4, 1/2 or 50% 1/4 or 25% 3/4 or 75% 4/4 or 100% there is no chance for this type of offspring
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Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
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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
Biology, 22.06.2019 20:30, aliami0306oyaj0n
Which of the following sentences has a compound predicate?
Answers: 2
Use your understanding of the scientific method to complete the following questions.
A group of sci...
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