PBDEs have not been linked directly to cancer in test animals
a. True
b. False
True
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Which of the following is a nonrenewable resource?
a. copper and gold b. fresh water c. forests d. grasslands e. fish
The DNA sequence ATGCATGC will pair with which of the following DNA strands?
A. TACGTACG B. TACCTACC C. ATGCATGC D. TTGCATCC E. CGTACGTA
Which of the following statements about genes is incorrect?
A) Genes correspond to segments of DNA. B) Many genes contain the information needed for cells to synthesize enzymes and other proteins. C) During fertilization, both the sperm and the ovum contribute genes to the resulting fertilized egg. D) Under normal circumstances, each chromosome contains precisely one gene. E) Genetic differences can result from changes in the DNA called mutations
___________cells do not divide readily but can be stimulated to divide when needed.
Fill in the blank(s) with the appropriate word(s).