In the male, an enlarged ________ gland may squeeze the urethra, causing urinary retention
Fill in the blank(s) with correct word
prostate
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The filtration of wastes from the blood using artificial devices because of failure or impairment of the kidneys is known as ________
Fill in the blank(s) with correct word
Which situation most likely describes a recessive genetic disorder?
A) The mutant allele of the gene encodes a completely nonfunctional protein. B) The mutant allele of the gene encodes a protein that has both the normal function and a new, harmful function. C) The mutant allele of the gene encodes a protein that has a new, harmful function. D) The mutant allele of the gene encodes a protein with the normal function but twice the normal activity.
For each animal cell that begins oogenesis, the number of ova produced is four
__________________ Indicate whether the statement is true or false.
What feature allowed seed bearing plants to finally break with their need for moist environments?
A. Vascular tissue B. Spores C. Pollen D. Fruit