Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 2, Problem 2CT
Draw a shell model of an uncharged nitrogen atom. Hint: Nitrogen has seven protons.
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Chapter 2 Solutions
Human Biology (MindTap Course List)
Ch. 2 - Distinguish between an element, an atom, and a...Ch. 2 - Explain the difference between an ionic bond and a...Ch. 2 - Ionic and covalent bonds join atoms into...Ch. 2 - Name three vital properties of water in living...Ch. 2 - Which small organic molecules make up...Ch. 2 - Which of the following is the carbohydrate, the...Ch. 2 - Describe the four levels of protein structure. How...Ch. 2 - Distinguish among the following: a....Ch. 2 - The backbone of organic compounds forms when...Ch. 2 - A carbon atom can form up ________ to bonds with...
Ch. 2 - All of the following except ________ are building...Ch. 2 - Prob. 4SQCh. 2 - Prob. 5SQCh. 2 - Prob. 6SQCh. 2 - Which phrase best describes what a functional...Ch. 2 - In ________ reactions, small molecules are linked...Ch. 2 - Match each type of molecule with its description....Ch. 2 - What kinds of bonds often control the shape (or...Ch. 2 - The pH of black coffee is 5, and that of milk of...Ch. 2 - Draw a shell model of an uncharged nitrogen atom....Ch. 2 - Prob. 3CTCh. 2 - Manufacturers make carbonated drinks by forcing...
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- Draw a diagram of a water molecule. Show all valence electrons, lone pairs, molecular geometry, and partial charges.arrow_forwardRefer to figure 2.15 to draw a picture of on NaCl molecule interacting with several water molecules. Label all molecules and ions appropriately and, as usual, use dotted lines to represent any hydrogen bonds.arrow_forwardPlease describe the characteristics of a phospholipid molecule. Where is the molecule foundarrow_forward
- explain how the Avery/Hershey Chase experiments proved that DNA is the genetic material. Is a “trans-fat” a saturated fat, an unsaturated fat or neither? Explain. Describe three properties of water, and how these properties play a role in the lives of living organisms.arrow_forwardIndicate whether the statement below is true or false.Any covalently bonded H atom can participate in a hydrogen bond if it comes in close proximity with an oxygen atom that forms part of a water molecule.arrow_forwardDraw a hydrogen bond between two water molecules.arrow_forward
- Create a concept map for Glycosides.arrow_forwardSome prokaryotic and all eukaryotic cells use oxygen to harvest energy from food molecules. In what form is that energy available to power cell work? a) b) c) glucose molecules d) fat molecules ATP molecules heat and light P Sunlight energy ECOSYSTEM Photosynthesis in chloroplasts Cellular respiration in mitochondria ATP (for cellular work) ww www Heat energyarrow_forwardPlace the following components in order from least to most complex (atom, proton, starch, glucose, hydroxyl grouparrow_forward
- Consider the following statement. “To produceone molecule of each possible kind of polypeptide chain,300 amino acids in length, would require more atoms thanexist in the universe.” Given the size of the universe, do yousuppose this statement could possibly be correct? Sincecounting atoms is a tricky business, consider the problemfrom the standpoint of mass. The mass of the observableuniverse is estimated to be about 1080 grams, give or takean order of magnitude or so. Assuming that the averagemass of an amino acid is 110 daltons, what would be themass of one molecule of each possible kind of polypeptidechain 300 amino acids in length? Is this greater than themass of the universe?arrow_forwardExplain why two atoms of hydrogen tend to combine into a molecule of hydrogen gas (H2).arrow_forwardWhich of the following combinations describes the electron in the modern model of an atom? O negative charge and located in orbitals surrounding the nucleus Opositive charge and located in orbitals surrounding the nucleus negative charge and located in the nucleus Ono charge and located in the nucleusarrow_forward
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