The duct between a testis and a seminal vesicle used for the transport of sperm is the ____________________. Fill in the blank(s) with the appropriate word(s)
vas deferens
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Check all that apply: Members of the same biological species can
_____ have several isolated gene pools. _____ differ from other species in one or more characteristics. _____ generate fertile offspring with the members of a different species. _____ interbreed freely with each other.
Which hormone induces male secondary sex characteristics and when used excessively could lead to overly aggressive behavior.
A. estradiol B. progesterone C. testosterone D. cortisol E. growth hormone
All protists possess
a. multiple, circular chromosomes. b. mitochondria. c. microtubules and microfilaments. d. chloroplasts. e. cell walls.
The protein product of the E. coli dnaE gene is a component of ________
A) DNA polymerase I B) primase C) DNA polymerase III D) DNA ligase E) DNA helicase