An indirect effect from ionizing radiation occurs on a _____ molecule.
a) target
b) DNA
c) water
d) free radical
Answer: c) water
You might also like to view...
Barnacles are sessile filter feeders but unlike bivalves they have internal fertilization. How do they solve this problem?
A. The filter sperm from the water column. B. They get fertilized during free living larval stages. C. They are only capable of asexual reproduction. D. They are hemaphrodites with especially long penises.
The use of SNPs for analyzing genomes is based on ____
a. the nucleotide base pairing in the SNPs b. the types of nucleotides in the SNPs c. differences in SNPs among individuals d. the ratio of purines to pyrimidines in SNPs e. bonding patterns between nucleotides in the SNPs
An sRNA is isolated from a bacterial cell. What would you do to determine whether it is a cis-encoded or a trans-encoded sequence?
A. Find out if the sRNA acts as a transcriptional or as a translational inhibitor. B. Determine whether the sRNA binds to mRNA or to tRNA. C. Analyze the molecular position of hydrogen atoms in the sRNA nucleotides. D. Identify whether or not the sRNA sequence is complementary to the coding strand of mRNA gene target.
If you wanted to compare the relative abundance of mRNA transcribed for a specific gene by two different strains of bacteria, you could perform
a. a Southern blot. b. a Northern blot. c. site-directed mutagenesis. d. either a or b.