Final Exam Review (2) Flashcards
Which of the following does not follow the proper singular, plural pattern?
B. Cilia (plural), Cilium (singular)
The movement of particles from areas of high concentration to an area of low concentration is called?
Diffusion
A substance that donates a hydrogen ion when placed in an aqueous solution?
An acid
Which portion of a phospholipid is hyrdrophobic?
Fatty acid tail
Which of the following is a polymer of glucose?
Glycogen
Which is a double-stranded molecule?
DNA
Who is credited with putting a number to the number of molecules in a mole?
Amedeo Avogadro
What is the name of a general class of molecules here? https://www.google.com/url?sa=i&url=https%3A%2F%2Fwww.researchgate.net%2Ffigure%2Famino-acid-structure_fig1_346573462&psig=AOvVaw1_ZAfaT1-_lCpnVd05kTYh&ust=1670476382114000&source=images&cd=vfe&ved=0CA8QjRxqFwoTCIiP4czf5vsCFQAAAAAdAAAAABAE
Amino Acid (drawn in either Chapter 2 or 3)
Placed in a hypertonic solution a red blood cell would?
B. become crenate
The concentration of solute is higher in the solution than in the cell which would suck the water out of the cell.
Which of the following composes a nucleotide?
E. A nitrogenous base, a 5-carbon sugar (pentose sugar), and a phosphate group.
In which class of molecules is nitrogen found?
Nucleic acid?? or Proteins (amino group)
Which are made up primarily of proteins?
(all of the above) Enzymes, muscle tissue, hemoglobin, and hair.
Saccharide is more closely related to??
Sugar
Cholesterol belongs to what class of macromolecules?
D. Lipid Class
A molecule has some regions that are hydrophilic and some regions that are hydrophobic. What is this called?
Amphipathic
Which makes up a phospholipid?
A glycerol, 2 fatty acid chains, and a phosphate group.
Which class of molecules contains the nitrogenous base uracil?
RNA
Which level of protein structure describes the sequence of amino acid?
Primary structure
How do the 20 amino acids used by life on earth differ from each other?
They are different on the R group or side chains.
Which are common in all cells found in life on Earth?
They all make their proteins from amino acids, genetic information is contained in DNA, ATP is the molecule that delivers energy in chemical reactions.
E. eco ?? (all of the above ?)
Which cell is named after a famous Italian scientist?
Golgi body
