Which of the following is required to detach myosin from actin?
A. calcium
B. ATP
C. phosphate
D. troponin
E. ADP
B. ATP
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Which of the following is the correct sequence of events during mitosis?
A. Sister chromatids split, nuclear membrane dissolves, nuclear membrane forms, chromosomes line up B. Nuclear membrane dissolves, chromosomes line up, sister chromatids split, nuclear membrane forms C. Nuclear membrane forms, chromosomes line up, sister chromatids split, nuclear membrane dissolves D. Chromosomes line up, nuclear membrane forms, nuclear membrane dissolves, sister chromatids split
Lipids that form membranes have what kind of structure?
A) completely nonpolar, because they are lipids B) completely polar, which allows them to dissolve in water C) polar heads and nonpolar tails; the nonpolar tails interact with water D) polar heads and nonpolar tails; the polar heads interact with water
There are three alleles controlling the ABO blood types. IA and IB are codominant genes so that the
combination IAIB produces the AB blood type. The third allele, IO, is recessive to the other two alleles. Indicate which of these parents could produce the given child:Parents Child Yes or No (a) A ? AB B (b) A ? O A (c) A ? B O (d) A ? AB O (e) A ? AB B (f) B ? B O Observing Patterns in Inherited Traits 115 (g) AB ? AB A What will be an ideal response?
Mitochondria are associated with the production of _____.
ATP Nucleic acids Lipids Protein