3.7 Nucleic Acids

3.7 Nucleic Acids

  • The schematic drawings do not depict the actual three-dimensional structures of the estrogen and androgen receptors, but emphasize that both are composed of a series of different domains.
    • The structures of the ligand-binding domains are shown in the inset.
    • There are two identical polypeptides that make up the estrogen and androgen receptors.
    • Only one polypeptide is shown.

  • The general features of DNA andRNA are discussed in greater detail in Chapter 11.
  • The strands of DNA are linked by conjugates.

  • The strands are held together by hydrogen bonds that are used to decode the information into instructions for linking purine base in one strand and a pyrimidine base in the opposite sequence of amino acids to form a polypeptide.
    • The ring structure of each base must be arranged in a precise way so that the correct dicular to the sugar-phosphate backbone can be read.
  • Unlike other macromolecules, only certain bases can pair with each other.
  • Predicting the relative amounts of the other bases is possible.
  • Similar to DNA, the strands of RNA are linked together.
  • There is a single strand of nucleotides in sugar.
  • T and G are linked with C.
  • If the sequence of bases is shown.
    • Can the base sequence of the opposite strand be uracil if it's double helix is not ribose?
  • Waxes are nonpolar and repel water.
    • The outer surfaces of animals' bodies are the subject of organic chemistry.
  • Carbon, hydrogen, oxygen, nitrogen, and small organic compounds are formed from relatively few chemical amounts of other elements, notably sulfur.
    • There are macromolecules elements in the pictures.
  • The different temperatures associated with the side chains of carbon bonds are stable.
  • Functional groups with specific carboxyl group of one amino acid to the amino group of another, structures and chemical properties can be found in organic compounds.
  • The isomers have a linear sequence of the amino acids.
    • There are different structures and characteristics of one or more polypeptides that have folded and twisted.
  • There are organic molecules.
    • The function of the polymers is determined by Figure 3.15, 3.16, 3.17, and 3.18.
  • The regions that are released from the polymers are called domains.
  • The storage, expression, and transmission of genetic information is done by nucleic acids.
    • Two of the major classes of organic molecules are deoxyribonucleic acid and ribonucleic acid.
  • Carbohydrates are made from carbon, hydrogen, and oxygen atoms.
    • The strand is formed by the bonds between the nucleotides.
    • The energy is stored in the bonds of the ATP.
  • Carbohydrates include monosaccharides, bonds between a purine base and one strand disaccharides.
    • The pyrimidine base in the other is used to store energy.
  • The structural function information in the sequence of their bases is served by some polysaccharides.
  • There is a single strand of nucleotides.
    • The instructions for linking the non-polar and very insoluble in water are contained in the Lipids, composed mostly of hydrogen and carbon atoms.
    • The major classes of lipids have a sequence to form a polypeptide.
  • All of the carbons are linked by bonds.
  • The structure of Phospholipids is similar to that of triglycerides.
  • Carbon makes phospholipids amphipathic.
  • Steroids are made from four rings of carbon atoms.
  • Carbon atoms have the ability to form four bonds.
  • Both a and d.
  • A ___________ is a part of the molecule with a structure and function.
  • Saturated fats are essential for the survival of life.

What is the difference between a saturated and an unsaturated fat?

  • Structural differences contribute to differences in their e.
  • The structures of three molecules are shown.
  • Discuss some of the roles that organisms play.
  • The study of life at the cellular level is called cell biology.
  • The structure and synthesis of cell membranes and the transport of substances in and out of the cell will be examined in Chapter 5.
  • metabolism is the sum of chemical reactions in a cell or organisms.
    • In Chapter 8, we will look at the process of photosynthesis, in which the energy of sunlight drives the synthesis of carbohydrates.
  • Chapters 9 and 10 look at how cells interact with each other.
  • We will look at how cells respond to signals, either those that come directly from their environment or those that are made by other cells.
    • In Chapter 10, we will look at how cells interact with each other.
  • At the beginning of this unit, we will look at the evolutionary origin of cells and the origin of organelles.
  • A cell is a system of interacting parts.
  • Many examples of how a cell's genome results in a proteome that largely determines cell structure and function can be found in this unit.
  • There is an Investigation that describes a pivotal experiment in every chapter of this unit.
  • Every chapter has a Modeling Challenging that source.