Which type of lipid is most important to the structure of biological membranes?
a. fat
b. wax
c. phospholipid
d. neutral fat
e. triglyceride
ANSWER: c
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In conjugation, as the 5? end of the T strand begins to move across the pilus, what form of replication occurs in the donor cell?
What will be an ideal response?
Global climate change will cause deserts to become hotter and wetter
Indicate whether the statement is true or false
Insertion sequences are
A. are discrete genetic elements bounded at both ends with inverted repeats. B. normally relatively short (700 to 1,650 bp). C. capable of transposition. D. All of the choices are correct.
Repair of heteroduplex regions formed during recombination can result in a 1:3 or 3:1 segregation of parental alleles, which indicates that ________ has occurred.
A) allelic exchange B) gene conversion C) crossing over D) recombination E) DNA replication