Water molecules are polar with ends that exhibit partial positive and negative charges. These opposite charges allow water molecules to attract each other through
A. ionic bonds.
B. covalent bonds.
C. peptide bonds.
D. hydrogen bonds.
Answer: D
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Anticodons pair with ________
a. mRNA codons b. DNA codons c. RNA anticodons d. amino acids e. ribosomes
Which of the following occurs in the last stage of viral replication?
a. New viral particles are released into the host organism. b. Viral RNA is used to make viral proteins, which infect the host. c. The viral envelope fuses with the cell membrane. d. The viral capsid degrades and nucleic acid is released.
For a particular microarray assay (DNA chip), cDNA has been made from the mRNAs of a dozen patients' breast tumor biopsies. The researchers will be looking for _____
A) a particular gene that is amplified in all or most of the patient samples B) a pattern of fluorescence that indicates which cells are over proliferating C) a pattern shared among some or all of the samples that indicates gene expression differing from control samples D) a group of cDNAs that match those in non-breast cancer control samples from the same population
During mitosis, the centromeres _____, and daughter chromosomes go into _________.
Fill in the blank(s) with the appropriate word(s).