Which of the following compounds may be polymers
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Which of the following compounds may be polymers?. carbohydrates nucleic acids proteins all of these. Carbon compounds that come from living organisms are called _____ compounds. water organic homogeneous biological.

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Which of the following compounds may be polymers?

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Which of the following compounds may be polymers?

  • carbohydrates

  • nucleic acids

  • proteins

  • all of these


Carbon compounds that come from living organisms are called _____ compounds.

  • water

  • organic

  • homogeneous

  • biological


How many electrons can a carbon atom share? Carbon has a total of 6 electrons

  • one

  • two

  • three

  • four


The nucleus of an atom contains _____.

  • protons and neutrons

  • neutrons and electrons

  • protons and electrons

  • protons, neutrons, and electrons


Electrons move about the nucleus of an atom in regions called _____.

  • electron clouds

  • nuclei

  • air

  • isotopes


What are the basic building blocks of proteins?

  • nucleic acids

  • peptide bonds

  • amino acids

  • glycerol and fatty acids


Water dissolves many ionic and molecular compounds because of its _____.

  • ionic bonding

  • polarity

  • covalent bonding

  • hydrogen bonding


When molecules of glucose and fructose combine to form sucrose, they do so by _____.

  • hydrolysis

  • electron clouds

  • condensation

  • radiation


The various enzymes in our bodies are _____.

  • lipids

  • carbohydrates

  • nucleotides

  • proteins


Glucose and fructose, with the formula C6H12O6, differ in _____.

  • numbers of atoms

  • arrangement of atoms

  • kinds of atoms

  • arrangement of electrons


A very strong base might have a pH of _____.

  • 3

  • 5

  • 9

  • 13


An atom of fluorine has nine electrons. Its second energy level has _____.

  • two electrons

  • eight electrons

  • seven electrons

  • nine electrons


Diffusion continues until there is no _____.

  • dynamic equilibrium

  • turgor pressure

  • concentration gradient

  • homeostasis


Brownian motion is evidence of _____.

  • polar ions

  • random motion of molecules

  • chemical energy

  • microorganisms


Which of the images in Figure 6-4 depicts dynamic equilibrium?

  • A

  • B

  • C

  • D


The smaller subunits that make up nucleic acids are ____________________.

  • Super tiny

  • Amino acids

  • Nucleotides

  • Carbohydrates


Two atoms that share electrons are held together by ____________________ bonds.

  • Diffusion

  • Isotonic

  • Covalent

  • Ionic


glucose polymer that forms the cell walls of plants

  • cellulose

  • polar molecule

  • nucleus

  • peptide bond

  • polymer

  • solution

  • enzyme

  • metabolism


large molecule formed when many smaller molecules bond together

  • cellulose

  • polar molecule

  • nucleus

  • peptide bond

  • polymer

  • solution

  • enzyme

  • metabolism


molecule with unequal distribution of charge

  • cellulose

  • polar molecule

  • nucleus

  • peptide bond

  • polymer

  • solution

  • enzyme

  • metabolism


protein that speeds up a chemical reaction

  • cellulose

  • polar molecule

  • nucleus

  • peptide bond

  • polymer

  • solution

  • enzyme

  • metabolism


bond formed between amino acids

  • cellulose

  • polar molecule

  • nucleus

  • peptide bond

  • polymer

  • solution

  • enzyme

  • metabolism


all the chemical changes that occur within an organism

  • cellulose

  • polar molecule

  • nucleus

  • peptide bond

  • polymer

  • solution

  • enzyme

  • metabolism


mixture in which one substance is distributed evenly in another

  • cellulose

  • polar molecule

  • nucleus

  • peptide bond

  • polymer

  • solution

  • enzyme

  • metabolism


center of an atom

  • cellulose

  • polar molecule

  • nucleus

  • peptide bond

  • polymer

  • solution

  • enzyme

  • metabolism


  • What are the 4 types of biomolecules/organic molecules?

  • Give an example of each.

CARBOHYDRATES: sugar, starch, pasta, crackers, potatoes etc

LIPIDS: oils, fats, chips, cheese, greasy foods

PROTEINS: meat, peanut butter, milk

NUCLEIC ACIDS: DNA, RNA


  • What are the tests to determine the presence of certain biomolecules/organic compounds?

BROWN PAPER: test for lipids

IODINE: test for starch

BENEDICT’S SOLUTION: test for sugars


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