Exam 2 Flashcards
The polar head of a phospholipid is considered to be _______.
hydrophilic
__________ energy is the energy of motion.
kinetic
________ is the practical use of scientific discovery.
technology
The membranes of cells are made up of modified fats called _____________.
phospholipids
_________ cells are the most primitive type of cell.
prokaryotic cells
Chlorophyll molecules are located in the _________.
chloroplast
The non-polar tails of a phospholipid is considered to be _________.
hydrophobic
________ is “energy currency” for a cell.
ATP
The purines that are found in the DNA and RNA include _____________.
adenine and guanine
The most widely accepted theory for the evolution of eukaryotic cells is the ________ theory.
endosymbiotic
DNA can be found in the _________ of a cell.
nucleus
ATP consists of a 5-carbon sugar, a nitrogenous base, and _________ phosphate group(s).
3
The structure of a specific membrane protein often dictates the ________ of that protein.
function
the tail of a human sperm is also known as a ________
flagellum
A pentose sugar contains ________ carbon atoms.
5
________ are linear, unbranched polymers of nucleotides
nucleic acids
Protein synthesis occurs in the ________ of a cell.
ribosomes
the basic units of the cell cytoskeleton are ______.
microtubules
which is not a nucleotide base in RNA.
- adenine
- thymine
- cytosine
- uracil
-thymine
a physical relationship called the _____ ratio constrains increases in cell size.
area to volume
