Identify the correct sequence of the following events.(a) myosin generates a power stroke.(b) ca+ binds to troponin.(c) atp recharges the myosin head.(d) troponin removes tropomyosin from g actin.(e) the sarcomere shortens.(f) myosin binds to actin. b, d, f, a, e, c

Why do carbohydrate molecules function so well as fuel for the body?

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating