Transcription factor proteins contain regions called ______ that have specific functions
Fill in the blank(s) with the appropriate word(s).
Ans: domains
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Iron deficiency is often indicated by yellowing in newly formed leaves. This suggests that iron is _____
A) a relatively immobile nutrient in plants B) tied up in formed chlorophyll molecules C) concentrated in the xylem of older leaves D) concentrated in the phloem of older leaves E) found in leghemoglobin and reduces the amount available to new plant parts
If some bleached bones found lying in the desert were carefully examined, which of the following
would NOT be present? a. osteocytes b. Haversian (central) canals c. calcium d. marrow cavity e. compact bone
In "type 1 diabetes,"
a. blood glucose levels are too low. b. the body receptors are insensitive to insulin. c. insulin is no longer produced by the pancreas. d. diet modification will control the disease. e. mostly middle-aged persons are affected.
All of the following statements about cell suspension cultures are true EXCEPT
A. cell suspension cultures produce the same chemicals the entire plant produces. B. large numbers of plants are grown and collected from the natural environment to produce chemicals in the laboratory. C. chemicals are produced and extracted in high concentrations, sometimes from genetically modified cells. D. digitalis, digitoxin, and quinine are produced by cell suspension culture.