Which of the following pathways is affected in ced mutants of C. elegans?

A) mitogen signaling
B) apoptosis
C) cell cycle
D) terminal differentiation
E) stem cell division


Answer: B

Biology & Microbiology

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At about how many weeks of pregnancy is a chorionic villus sampling performed?

a. eight b. ten c. fourteen d. sixteen e. twenty

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In which of the following pairs are the organisms most closely related taxonomically?

A. mushroom...oak tree B. spider...crayfish C. Bacterium ... paramecium D. Sea star..clam E. rosebush..diatom

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Within eukaryotic cells, the ribosomes are the primary site for which of the following?

a) RNA synthesis b) peroxisome creation c) DNA replication d) protein assembly e) exocytosis

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Which of the following has NOT been a basis for classification of the protozoa?

A) means of locomotion B) genetic sequences C) photosynthetic ability D) habitat E) ability to form a dormant stage

Biology & Microbiology