Which condition favors sexual reproduction over asexual reproduction?
a. a stable environment
b. uniform environments
c. sparsely settled populations
d. sessile animals
e. an unstable environment
ANSWER: a
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Starting from the outside and moving in toward the center, which list gives the correct order of tissues in the stem of a
young tree?
a. secondary phloem, primary phloem, primary xylem, secondary xylem b. primary xylem, secondary xylem, secondary phloem, primary phloem c. primary phloem, secondary xylem, secondary phloem, primary xylem d. secondary phloem, primary xylem, secondary xylem, primary phloem e. primary phloem, secondary phloem, secondary xylem, primary xylem
DNA polymerase I is thought to add nucleotides ________
A) to the 3' end of the primer B) to the 5' end of the primer C) in a 5' to 5' direction D) on single-stranded templates without need for an RNA primer E) in the place of the primer RNA after it is removed
Bacteria which have a spherical or round shape are called
What will be an ideal response?
Compare precise and imprecise excision of transposons
What will be an ideal response?