Stem cells developed by inserting genes that regulate the transcription of specific genes into cells from an adult are ________ cells
A) induced pluripotent stem
B) embryonic disk
C) gastrula
D) chorionic villi
E) embryonic stem
A
Biology & Microbiology
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(a) is found only in the bryophytes. (b) is common to all land plants. (c) is typical of most green algae. (d) occurs in the liverworts but not mosses.
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Steroid hormones bind to receptors in the nucleus to activate or deactivate genes.
a. true b. false
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The chemoreceptors that are responsible for the sense of taste are located mainly on the tongue in structures called __________.
Fill in the blank(s) with correct word
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The fossil record shows that angiosperms evolved directly from the Gnetophytes.
Answer the following statement true (T) or false (F)
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