Due to the lack of an enzyme to break down lipids, excess accumulation of lipids in the brain leads to a human disease called Tay Sachs syndrome. Which organelle is likely to be the one that lacks the proper enzyme needed for lipid breakdown?
A. lysosome
B. tonoplast
C. mitochondrion
D. Golgi apparatus
E. peroxisome
A. lysosome
Biology & Microbiology
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Once in the female reproductive tract, sperm undergo ____ , a series of physiological changes that allow them to fertilize the egg
Fill in the blank with the appropriate word.
Biology & Microbiology
What advantage does phycoerythrin confer upon red algae?
What will be an ideal response?
Biology & Microbiology
Enzymes _____
a. are proteins, except for a few RNAs b. lower the activiation energy of a reaction c. are changed by the reactions they catalyze d. are proteins, except for a few RNAs and lower the activation energy of a reaction
Biology & Microbiology
In bryophytes, the rhizoids
a. serve as attachment structures. b. obtain nutrients. c. obtain water. d. lure possible prey. e. are involved in reproduction.
Biology & Microbiology