In a lysosomal storage disease, the hydrolases of lysosomes are released from the cells, rather than being isolated into vesicles. What is one possible mechanism for this result?
A) A proton gradient within vesicles was not generated.
B) The ER was unable to produce lysosomal vesicles.
C) Lysosomal enzymes were not phosphorylated in the rER.
D) There is a lack of mannose-6-phosphatase activity.
E) There is a mutation in all hydrolase genes that results in loss of the signal peptide.
D) There is a lack of mannose-6-phosphatase activity.
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Which sterilization technique involves cutting the vas deferens on each side to prevent sperm from leaving the body?
A) hysterectomy B) tubal ligation C) vasectomy D) testicular deactivation
If a haploid cell goes through mitosis it will generate
a)two haploid cells. b)two diploid cells. c)four haploid cells. d)four diploid cells. e)This is not possible.
The condition in which walls of the alveoli break down, thereby creating fewer and larger chambers, is called ________
A) TB B) bronchitis C) influenza D) emphysema
The work of (Needham/Redi/Spallanzani) using infusions in sealed vials provided strong evidence that spontaneous generation does not occur
What will be an ideal response?