PCB 3134 EXAM 1 - MARKS (FSU) QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
What is the cell theory? Ans✓✓✓All living things are made up of cells,
cells are the basic units of structure and function in living things, new
cells are produced from existing cells
What is cytology? Ans✓✓✓study of cell structure
What is biochemistry? Ans✓✓✓focuses on cellular structure and its
functions
What is genetics? Ans✓✓✓the study of heredity and the variation of
inherited characteristics.
Types of microscopes Ans✓✓✓light microscope and electron
microscope
types of electron microscopes Ans✓✓✓transmission and scanning
What is subcellular fractionation? Ans✓✓✓uses centrifugation to
separate different structures of molecules
What is X-Ray crystallography? Ans✓✓✓technique used to determine
the 3D structure of a molecule
, to do it, purified samples of DNA are crystallized and bombarded X-rays
What is recombinant DNA? Ans✓✓✓DNA produced by combining
DNA from different sources
What is DNA sequencing? Ans✓✓✓A process in which exact sequence
of nucleotides in a DNA segment is determined
What are the classes of proteins? Ans✓✓✓-enzymes: catalysts that
increase chemical reactions
-structural proteins: physical support
-motility proteins: contraction and movement
-regulatory proteins: control and coordinate function
-transport proteins: moving substances in and out of cells
-signaling proteins: communication between cells
-receptor proteins: responds to stimuli
-defensive proteins: protects against disease
-storage proteins: stores things within the cell
How many amino acids are there? Ans✓✓✓20 amino acids
what are the types of amino acids? Ans✓✓✓-nonpolar
-charged
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
ALREADY GRADED A+
What is the cell theory? Ans✓✓✓All living things are made up of cells,
cells are the basic units of structure and function in living things, new
cells are produced from existing cells
What is cytology? Ans✓✓✓study of cell structure
What is biochemistry? Ans✓✓✓focuses on cellular structure and its
functions
What is genetics? Ans✓✓✓the study of heredity and the variation of
inherited characteristics.
Types of microscopes Ans✓✓✓light microscope and electron
microscope
types of electron microscopes Ans✓✓✓transmission and scanning
What is subcellular fractionation? Ans✓✓✓uses centrifugation to
separate different structures of molecules
What is X-Ray crystallography? Ans✓✓✓technique used to determine
the 3D structure of a molecule
, to do it, purified samples of DNA are crystallized and bombarded X-rays
What is recombinant DNA? Ans✓✓✓DNA produced by combining
DNA from different sources
What is DNA sequencing? Ans✓✓✓A process in which exact sequence
of nucleotides in a DNA segment is determined
What are the classes of proteins? Ans✓✓✓-enzymes: catalysts that
increase chemical reactions
-structural proteins: physical support
-motility proteins: contraction and movement
-regulatory proteins: control and coordinate function
-transport proteins: moving substances in and out of cells
-signaling proteins: communication between cells
-receptor proteins: responds to stimuli
-defensive proteins: protects against disease
-storage proteins: stores things within the cell
How many amino acids are there? Ans✓✓✓20 amino acids
what are the types of amino acids? Ans✓✓✓-nonpolar
-charged
