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

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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?

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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).

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