The head of a sperm contains the
A) cell membrane.
B) cytoskeleton.
C) DNA.
D) testosterone.
C) DNA.
Biology & Microbiology
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The green sulfur bacteria are ________.
A. facultative anaerobes B. microaerophilic C. obligate anaerobes D. either obligate anaerobes or facultative anaerobes
Biology & Microbiology
In humans, an X-linked disorder called coloboma iridia (a fissure in the iris) is a recessive trait. A normal couple has
an afflicted daughter. The husband sues the wife for divorce on the grounds of infidelity. Would you find in his favor? What will be an ideal response?
Biology & Microbiology
The methanogenic archaeans are __________
a. aerobes b. facultative aerobes c. strict aerobes d. facultative anaerobes e. strict anaerobes
Biology & Microbiology
________ are disease-causing organisms that invade a person's body
Fill in the blank(s) with correct word
Biology & Microbiology