The tube through which urine leaves the urinary bladder is called the ____

a. collecting duct
b. urethra
c. renal pelvis
d. ureter
e. renal vein


ANSWER: b

Biology & Microbiology

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The spontaneous mutation rate for autosomal genes can be estimated using the formula: number of de novo cases/________X.

A) 1 B) 2 C) 3 D) 4

Biology & Microbiology

pH is a measure of

a. an enzyme's effectiveness. b. enzyme concentration. c. hydrogen ion concentration. d. none of the above.

Biology & Microbiology

Assume that a dihybrid cross (AaBb × AaBb) is made in which the gene loci are autosomal, independently assorting, and incompletely dominant. What phenotypic ratio would you expect from such a cross? Just provide the ratio, not the phenotypes

What will be an ideal response?

Biology & Microbiology

Which of the following fields of study and its example are NOT correctly matched?

a. Parasitology—study of HIV b. Mycology—study of athlete's foot c. Immunology—study of vaccines d. Bacteriology—study of E. coli O157:H7

Biology & Microbiology