Biology, 17.11.2020 19:40 jalenshayewilliams
Which of the following conclusions can be made based on the observed fact that stem cells can differentiate into any kind of cell in the human body
A. all cells can mutate into different forms when exposed to external conditions
B. Dna contains all the instructions necessary to build every kind of cell
C. Stem cells can only differentiate into specialized cells when exposed to internal conditions.
D. none of these
Answers: 1
Biology, 22.06.2019 00:50
What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.
Answers: 2
Biology, 22.06.2019 05:40
When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity
Answers: 3
Which of the following conclusions can be made based on the observed fact that stem cells can differ...
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