A free nucleotide has a five carbon sugar

(deoxyribose), __________ phosphate groups, and
one of four nitrogen-containing bases. Fill in the blank(s) with the appropriate word(s).


Answer: three

Biology & Microbiology

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The ____ are respiratory structures composed of moist evaginations

a. tracheal tubes b. lungs c. gills d. skin e. nasal passages

Biology & Microbiology

When phospholipids are mixed with water their interact with water and their are repelled, forming a lipid bilayer.


A. hydrophilic tails; hydrophobic heads
B. hydrophilic heads; hydrophobic tails
C. hydrophobic heads; hydrophilic tails
D. hydrophobic tails; hydrophilic heads
E. hydrophilic heads; hydrophilic tails

Biology & Microbiology

An individual with a genetic makeup of aa BB is

called a. pure-breeding. b. recessive. c. hybrid. d. dihybrid. e. heterozygous.

Biology & Microbiology

Bacteria that require special growth factors and complex nutrients are termed ________.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology