The cell's series of tunnel-like membranes functioning in transport and storage are the
A. endoplasmic reticulum.
B. lysosomes.
C. mitochondria.
D. chloroplasts.
E. Golgi apparatus.
Answer: A
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Which of the following structures of the ear are
NOT involved with hearing?
a. the cochlea b. the organ of Corti c. the vestibular apparatus d. the oval window e. all of these structures of the ear are involved with hearing
Shortly after fertilization, successive cell divisions convert the zygote into a multicellular embryo
during a process known as a. meiosis. b. parthenogenesis. c. embryonic induction. d. cleavage. e. invagination.
The best model organism for studying cell fate from fertilized egg through adult is
A) Arabidopsis thaliana. B) Caenorhabditis elegans. C) Drosophila melanogaster. D) Mus musculus. E) Saccharomyces cerevisiae.
The total sum of squares is given by the sum of:
A. the squared difference between each observation Y and the average value for Y. B. squares for the treatment (or independent variable of your model). C. the squares for the outcome (or dependent variable of your model). D. squared residuals.