Thick, smooth muscle located at the junction of the bladder and urethra that aids in pushing stored urine into the urethra is called the ________
A) external urethral sphincter
B) internal urethral sphincter
C) urinary sphincter
D) medial urethral sphincter
B
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Astrobiology seeks to answer all of the following
questions EXCEPT a. What is necessary for life to persist.. b. Is there life on other planets. c. What conditions allowed life to form on earth. d. Can we colonize other planets with life from earth. e. All of these are true.
What is the term given to the theory which put forth the idea that living organisms could arise by incubating nonliving components?
A) preformation B) spontaneous generation C) evolution D) collective combination E) natural selection
How does fungal mitosis differ from animal mitosis?
A. Fungi only undergo meiosis, true mitosis is only found in animals. B. Cytokinesis only occurs in fungal mitosis. C. The nuclear envelope remains intact in fungal mitosis. D. The spindle apparatus is unique to fungal mitosis.
Viral genomes are composed of either DNA or ________.
Fill in the blank(s) with the appropriate word(s).