Blood Glucose Strips

Anya Rainey asked:


1.
Which of the following does NOT describe a polymer?
(1 point)
Polymers are made of monomers.
Polymers are large molecules.
Polymers usually form by covalent bonding.
Polymers are broken down by the process of hydrogenation.
2.
How many electrons can a carbon atom share?
(1 point)
one
two
three
four
3.
Which of the following is a chemical reaction?
(1 point)
tearing paper into strips
burning paper
picking up iron filings with a magnet
mixing salt and sugar in the same container
4.
Carbon-12, carbon-13, and carbon-14 are _____.
(1 point)
isotopes
polymers
radioisotopes
macromolecules
5.
Unlike carbohydrates and fats, proteins contain _____.
(1 point)
nitrogen
carbon
hydrogen
oxygen
6.
Diffusion continues until there is no _____.
(1 point)
dynamic equilibrium
turgor pressure
concentration gradient
homeostasis
7.
Each of the following is a main idea of the cell theory except _____.
(1 point)
all organisms are composed of cells
the cell is the basic unit of organization of organisms
all cells are similar in structure and function
all cells come from preexisting cells
8.
In a chloroplast, the stacks of membranous sacs are called _____.
(1 point)
stroma
grana
grana
thylakoid membrane
9.
The fluid mosaic model describes a structure with ____.
(1 point)
polar layers on the outside and nonpolar layer on the inside
nonpolar layers on the outside and a polar layer on the inside
polar layers on both inside and outside
nonpolar layers on both inside and outside

Figure 8-5
16.
What cell process is responsible for the effect shown in Figure 8-5?
(1 point)
active transport
passive transport
facilitated diffusion
osmosis
17.
Chlorophyll traps _____ from sunlight.
(1 point)
oxygen
energy
hydrogen
glucose
18.
Energy is released from ATP when the bond is broken between _____.
(1 point)
two phosphate groups
adenine and ribose
ribose and a phosphate group
adenine and a phosphate group
19.
In respiration, the final electron acceptor in the electron transport chain is _____.
(1 point)
oxygen
ATP
hydrogen ions
H2O
20.
Kidneys use energy to move molecules and ions in order to keep the blood chemically balanced. This process is an example of cells using energy to _____.
(1 point)
carry on chemosynthesis
transmit impulses
control body temperature
maintain homeostasis

TORRANCE