Human sperm cells first arise in the _____

A) prostate gland
B) vas deferens
C) seminiferous tubules
D) epididymis


C

Biology & Microbiology

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Which two are primary complexes for protein synthesis and degradation in eukaryotes?

A. ribosomes and proteasomes B. ribosomes and lysosomes C. proteases and lysosomes D. proteases and proteasomes E. ribosomes and mRNA

Biology & Microbiology

An 8-month-old female infant is admitted to the emergency department in respiratory distress on Christmas Eve. A nasopharyngeal aspirate is obtained and sent to the laboratory on ice for analy-sis. The most probable organism that would be isolated is:

a. varicella-zoster virus. b. respiratory syncytial virus (RSV). c. rotavirus. d. coxsackievirus.

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All perennials have secondary tissues

a. True b. False

Biology & Microbiology

What have you learned in the chapter about how humans can minimize their effects on food webs and

nutrient cycles?

What will be an ideal response?

Biology & Microbiology