Which organelle is responsible for degrading waste within the cell?

A) Golgi apparatus
B) lysosome
C) endoplasmic reticulum
D) ribosome
E) chloroplast


B) lysosome

Biology & Microbiology

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Claire lost the ability to completely empty her bladder following a stroke, and a nurse inserts a catheter into the open end of her urinary tract each day to remove the urine. Into what structure does the nurse insert the catheter?  

A.  collecting duct B.  ureter C.  bladder D.  urethra E.  renal pelvis F.  nephron

Biology & Microbiology

The _____ circuit carries blood to and from lungs

Fill in the blank(s) with correct word

Biology & Microbiology

Which London surgeon noted in 1775 that chimney sweeps exhibited frequent cancer of the scrotum?

A. Katsusaburo Yamagiwa B. Sir Percivall Pott C. Ernst Winder D. John Hill E. Richard Doll

Biology & Microbiology

What is the purpose of extrinsic control of arteriolar smooth muscle contractile activity?

A) regulate blood flow through specific capillary beds B) regulate mean arterial pressure C) regulate stroke volume D) regulate heart rate E) regulate cardiac output

Biology & Microbiology