Drag the labels to their appropriate locations on the diagram below, indicating the function of each structure during muscle contraction filament that is pulled toward the center of the sarcomere protein that controls access to motor protein binding sites sites at which Ca2* ions are bound binding site for motor protein head filament that pulls the other filament toward the center of the sarcormère motor protein head that hydrolyzes ATP and drives contraction Adapted from Biology by Campbell and Reece 2008 Pearson Education

Asap timed! 1. ice core samples from glaciers ice caps contain bubbles of ancient atmosphere that are in layers based on age. what questions are scientists most interested in? a. how the amount of water vapor needed to make the ice has changed b. how the amount of ozone has changed over time.c. how the amount of ice in each layer has changed over time d. how the amount of carbon dioxide has changed over time 2. what produces milankovich cycles ? a. sunspots ams solar flare on the suns surface b. changes in the earths orbit c. gravitational changes bases on the position of the sun and the moond. cycles of vegetation that result in desert and rainforest conditions

Which of the following is a limitation of a clinical trial? a.)amount of random assignments b.)hospital cost c.)number of test tubes d.)amount of peer review

Which of the following is a responsibility of a scientist