Which sterilization technique involves cutting the vas deferens on each side to prevent sperm from leaving the body?
A) hysterectomy B) tubal ligation
C) testicular deactivation D) vasectomy
Answer: D
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Multiple alleles are common because
A) RNA is an informational molecule, and many sequences are possible for a particular gene. B) proteins are informational molecules, and many amino acid sequences are possible. C) a gene sequence can vary in different ways and still encode a functional protein. D) there are many humans on the planet.
Black bread mold is ____, which means that it is self-sterile
a. heterozygous b. heterothallic c. heterotrophic d. mycotoxic e. coenocytic
Draw a diagram of a typical neuron, label its parts, and list the function of each labeled structure. What will be an ideal response?
Eukaryotes generally do photosynthesis thanks to specialized cellular organelles called ___________ that originally resulted from endosymbiosis of cyanobacteria.
Fill in the blank(s) with the appropriate word(s).