The start signal in an mRNA strand is:
1.UAG
2.GUA
3.AUG
4.TAG
5.ATG
3
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________ are carrier proteins embedded in the membrane that increase the rate of diffusion of specific molecules across selectively permeable membranes.
Fill in the blank(s) with the appropriate word(s).
Strictly speaking, mitosis and meiosis are
divisions of the a. nucleus. b. cytoplasm. c. chromosomes. d. nucleus and chromosomes. e. nucleus, cytoplasm, and chromosomes.
The process of molecules moving through water from areas of high concentration to areas of low concentration due to the random motion of molecules is called ________.
Fill in the blank(s) with the appropriate word(s).
The definition of transformation is
A) the shift of genetic information from DNA to protein. B) the genetic alteration of an organism. C) the uptake of genetic information by a cell from the environment. D) Both B and C E) None of these