How much of the human body weight is made up of fluids?
A. 50%
B. 55%
C. 60%
D. 65%
E. 70%
Answer: C
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Much of the world’s coal reserves were formed from the buried remains of ____, the dominant plants of the
Carboniferous period.
a. bryophytes b. seedless vascular plants c. gymnosperms d. angiosperms e. gymnosperms and angiosperms
During G2, a cell produces ________
a. daughter cells b. the bipolar spindle c. proteins that drive mitosis d. newly synthesized DNA
Which of the following is a potential mechanism through which proteins can acquire novel domain architectures over evolutionary time?
A) protein cleavage B) exon shuffling C) mutation in a pseudogene D) duplication and divergence E) de novo mutation
Which of the following is the last structure that urine
passes through? a. distal tubule b. urethra c. urinary bladder d. ureter e. loop of Henle