Why are the male gonads held outside the body cavity?
A. Normal body temperature is too high for spermatogenesis.
B. Normal body pH is too low for spermatogenesis.
C. Gonadotropins are inactivated at normal body temperature.
D. Sperm development proceeds much slower at normal body temperature.
E. Leydig cells will die at normal body temperature.
A. Normal body temperature is too high for spermatogenesis.
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Rhizobium is considered an endosymbiont with plants
Indicate whether this statement is true or false.
If a codon in the mRNA is 5’-ACG-3’, then the anticodon of the proper tRNA will be
a. 5’-UGC-3’ b. 5’-CGU-3’ c. 5’-CGT-3’ d. 5’-TGC-3’ e. 5’-GCA-3’
Discuss permeability in plant cell walls?
What will be an ideal response?
In an autosomal dominant disorder such as Huntington's disease, two carrier parents have the probability of passing
the gene onto ____ percent of their children.
a. 0 b. 25 c. 50 d. 75 e. 100