Fossil fuels
a. are renewable natural resources.
b. may be commercially depleted within this century.
c. can be utilized without any environmental degradation.
d. are essentially pure carbon deposits.
e. are a renewable resource.
B
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All of the following are characteristics of RNA polymerase III promoters except:
A. the promoters contain two specific segments for transcription factor binding that lie within the coding sequences. B. the TATA box is for TFIIIB binding. C. promoter boxes A and B are bound by TFIIIC and lie downstream of the transcriptional start site. D. within a species, all core promoters are the same. E. All of the given characteristics are true of RNA polymerase III promoters.
What is required for a group of clones to be considered a contig?
A. the clones need to have nonoverlapping regions of DNA. B. the clones should contain identical regions of DNA. C. the clones should contain completely unique regions of DNA. D. the clones should have overlapping regions of DNA. E. the clones should have identical, nonoverlapping regions of DNA.
Your friend is trying to tell you that human teeth are not alive. You disagree. Why would you say that a tooth in an adult is alive?
What will be an ideal response?
Water molecules are attracted to one another by _____
A) nonpolar covalent bonds B) ionic bonds C) hydrogen bonds D) hydrophobic interactions