The strands in a DNA molecule are: (choose all that apply)
A. antiparallel.
B. complementary.
C. identical.
D. perpendicular.
E. covalently bonded to each other.
Answer A,B
Biology & Microbiology
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Fertilization take place within a woman's body in which of the following ART techniques?
a. GIFT b. ICSI c. IVF d. ZIFT e. PGD
Biology & Microbiology
Parental care requires time and energy that an individual could otherwise invest in reproducing again. What determines how much parental care is given?
What will be an ideal response?
Biology & Microbiology
Opposable thumbs were an adaptation of primates that enabled them to live in trees
____________________ Indicate whether the statement is true or false.
Biology & Microbiology
The ability of a sponge cell to identify other such sponge cells is called ________.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology