3. looking at some pond water under the microscope, you notice an unfamiliar rod-shaped cell about 200 mm long. knowing that some exceptional bacteria can be asbig as this or even bigger, you wonder whether your cell is a bacterium or aeukaryote. how will you decide? if it is not a eukaryote, how will you discoverwhether it is a bacterium or an archaeon? [20]

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

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?