Adult stem cells are ______________¬ cells, whereas embryonic stem cells are ______________ cells
A. pluripotent / totipotent
B. unipotent / multipotent
C. multipotent / pluripotent
D. multipotent / totipotent
C
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Why was the determination of the actual sequence of the human genome considered to be descriptive science?
A. It did not involve deductive reasoning. B. It did not involve hypothesis-driven research. C. It involved hypothesis-driven research. D. It involved deductive reasoning.
Given that T cell receptors (TCRs) are randomly generated during the maturation process, how are new T cells selected that can recognize self-antigens and other immune cells appropriately?
What will be an ideal response?
The pattern of locomotion used by gibbons and siamangs, in which they use their arms to hang below branches and
swing forward, is called ____.
a. bipedal movement b. peristalsis c. gliding d. brachiation e. orthokinesis
In animal skeletal muscles, white muscle fibers ____
a. have an abundance of myoglobin b. make ATP by lactate fermentation c. produce ethanol d. are good for sustained activities e. are not found in chickens