The most common cause of low sperm count in males is _____
a. varicocele
b. undescended testicles
c. testicular failure
d. semen disorders
e. obstructions
a
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Which of the following is NOT a reaction pathway involved in the catabolism of arginine to generate ATP?
A. Citrulline + Pi ? ornithine + carbamyl-P B. Carbamyl-P + ADP ? ATP + CO2 + NH3 C. Arginine + 3 H2O ? CO2 + 4 ATP D. Arginine + H2O ? citrulline + NH3
The Kuna tribe, which inhabits islands off the coast of Panama, has almost no incidence of heart disease due to ____
a. the unusually large amount of cocoa they consume b. the unusually small amount of red wine they consume c. the unusually large amount of coffee they consume d. the absence of disease-carrying mosquitoes on the islands e. an allele that is unique to their tribe
Inherited changes in gene expression that are not the result of changes to the gene sequence itself are known as ________ changes
Fill in the blank with correct word.
Mitochondrial disorders can be caused by mutations in all the following except
A. cytoplasmic DNA B. nuclear DNA C. mitochondrial DNA