Biology 111 UNCG, test 1 (Questions + Answers) Verified 100% Correct!!.

02,n2,ch4,nacl,h2 all have nonpolar bonds except which one? - nacl a single covalent chemcial bond represent the sharing of how many electrons? - two according to the scientific evidence, earth is approximately how old? - 4-5 billion years old after observing that fish live in clean water but not in polluted water, researchers state that polluted water kills fish. this statement is an example of what part of the scientific method? - hypothesis an element has weight of 131.3 the reason the number is not a whole number is because - atomic weight is the average of the mass numbers of all the elements isotopes an organelle consisting of a series of flattened sacks stacked somewhat like pancakes is the - golgi apparatus attached ribosomes - found attached to the endoplasmic reticulum, and produce proteins that are inserted into the endoplasmic reticulum. cilia are - shorter and more numerous then flagella free ribosomes - free ribosomes are in the cytoplasm, and they produce proteins in the cyctosol ionic bonds are - attractions between oppositely charged ions list steps of the hypothetico-deductive method - making an observation, forming a hypothesis, making a prediction, and testing a predictionlysosomes are important to eukaryotic cells because they contain - digestive enzymes microtubules are composed of monomers of - a- and b- tubulin most plant and animal cells are - large enough to be seen with a light microscope