When non-sister chromatids exchange pieces of DNA, it is called _______.
a) independent assortment
b) mitosis
c) crossing over
d) fertilization
Ans: c) crossing over
Biology & Microbiology
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________-driven promoters are comprised of an Inr sequence and a TATA box with or without an associated BRE.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
Defend the argument that seedless vascular plants are among the most economically important plants that have ever
lived.
What will be an ideal response?
Biology & Microbiology
The flow of which of the following ions makes the largest contribution to the resting potential?
a. K+ b. Na+ c. H+ d. Ca2+
Biology & Microbiology
Algae can cause health problems because
A) they are parasitic. B) they inhabit animal tissues preferentially. C) they may produce toxins. D) all of the above are true.
Biology & Microbiology