Place the following events in muscle contraction in the correct sequence from first to last. 1. atp binds to myosin head. 2. myosin head interacts with actin. 3. atp is converted to adp and pi. 4. myosin head is cocked back. 5. myosin head pivots in the power stroke. 6. adp and pi are released from myosin.

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other