Select the option that best completes the following statement: Nonhomologous endjoining is a process by which a double-stranded DNA end is joined ___________________

(a) to a similar stretch of sequence on the complementary chromosome.
(b) after repairing any mismatches.
(c) to the nearest available double-stranded DNA end.
(d) after filling in any lost nucleotides, helping to maintain the integrity of the DNA sequence.


(c)

Biology & Microbiology

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Lysogeny is essential for the virulence of many pathogenic bacterial strains

Indicate whether the statement is true or false.

Biology & Microbiology

The domination of the flowering plants over

the past 100 million years appear to be their coevolution with

a. dinosaurs. b. gymnosperms. c. insects. d. mammals. e. humans

Biology & Microbiology

Which of the following statements is correct about passive diffusion?

A) It requires an expenditure of energy by the cell. B) It is a process in which molecules move from a region of higher concentration to a region of lower concentration (or down a concentration gradient). C) It is a process in which molecules move from a region of lower concentration to one of higher concentration (or up a concentration gradient). D) It may require a transport protein. E) It involves movement of molecules down a concentration gradient and may require a transport protein.

Biology & Microbiology

Female gametophytes develop specifically within what part of the flower?

A. anther B. central cell C. stamen D. ovule E. stigma

Biology & Microbiology