Organic Molecules 3 Flashcards
Solution that contains the same concentration of solute and water as the cell
isotonic
Cholesterol is found in the ____________ of ____________ cells
plasma membrane, animal
A 5-carbon sugar is associated with
DNA
Movement of cell
Flagella
Polymer of many amino acids linked by peptide bonds
protein
Which of the following is not one of the three components of the cytoskeleton?
flagella
The rough ER
folds and processes proteins
The ingestion of liquid into a cell by the budding of small vesicles from the cell membrane
pinocytosis
Exocytosis involves
fusion with the plasma membrane
The mosaic part of the fluid-mosaic model of membrane structure refers to
the proteins
Organelle that processes, packages, and distributes molecules about or from the cell
Golgi apparatus
Lysosomes function in __________
intracellular digestion
Vacuoles are most prominent in
plant cells
If the pH in the blood drops below the normal 7.4,
H+ may have been added, and buffers may be able to help get back to pH 7.4
Pumps used in active transport are made of
proteins
When mixed together, water is a ___________, and dye is a _____________
solvent, solute
System of membranes in the cytoplasm, often with attached ribosomes
endoplasmic reticulum
Phosphate can be found in
DNA and RNA
Nucleotides contain
sugar, a nitrogen-containing base, and a phosphate molecule
The Golgi apparatus can be found in ___________ cells
animal and plant
Energy is used for
active transport
This organelle contains enzymes for digestion
lysosomes
Glucose is transported across a plasma membrane by facilitated transport
True
Sodium chloride contains covalent bonds
False
Cholesterol is the precursor of ______________________
testosterone and estrogen
