Where are calcium ions stored within muscle cells?
a. Golgi apparatus
b. sarcoplasmic reticulum
c. cisternae
d. nuclear envelope
b. sarcoplasmic reticulum
You might also like to view...
Quality control is set up to determine the validity of cetrimide agar. Which two organisms should be used?
a. B. bronchiseptica and Cupriavidus pau-culus b. A. denitrificans and Alcaligenes faecalis c. Achromobacter piechaudii and B. bron-chiseptica d. Centers for Disease Control and Preven-tion (CDC) Alcaligenes-like group 1 and C. pauculus
According to the _____, modern humans originated in, and migrated out of, East Africa
a. haplotype data of mitochondrial DNA sequences b. haplotype data of Y chromosome sequences c. out-of-Africa model d. multiregional model e. fossil record
What protein fibers help form the framework of structural support for cells?
A) centriole B) cholesterol C) chromatin D) cytoskeletal elements
A solution with a pH of 7 is
A) strongly acidic. B) weakly acidic. C) neutral. D) weakly basic.