Which of the following is the most effective
contraceptive approach of those listed?
a. withdrawal
b. diaphragm
c. condoms
d. douching
e. rhythm method
C
Biology & Microbiology
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What is the source of microtubules in animal cells?
a. cytoplasm b. ribosome c. centrosome d. endoplasmic reticulum
Biology & Microbiology
New polypeptide chains for proteins are assembled on
1.Golgi bodies. 2.lysosomes. 3.ribosomes. 4.peroxisomes. 5.centrosomes.
Biology & Microbiology
The liver converts the waste product ammonia to a much less toxic molecule of ____
a. alcohol b. bilirubin c. cholesterol d. bicarbonate e. urea
Biology & Microbiology
What passes through the nuclear pores?
A) RNA B) DNA C) DNA and RNA D) None of these
Biology & Microbiology