You coat a petri dish with fibronectin and proteoglycans and then culture cells on the dish. the cells adhere to the dish. you repeat the experiment, but this time you add rgd (arginine-glycine-aspartic acid) tripeptides to the culture dish as the cells are added. the result of this experiment is an example of what biochemical process?

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

Choose the molecule that is described by each phrase. energy used during long activities:

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment