Bio Quiz 2 Flashcards
If a cell swells when placed in a solution, the solution is
hypertonic.
isotonic.
All of the listed answers are correct
saturated.
hexotonic.
None of the listed answers are correct
None of the listed answers are correct
But the answer is hypotonic
The diffusion of water through a selectively permeable membrane is called
exocytosis.
osmosis.
active transport.
endocytosis.
None of the listed answers are correct
All of the listed answers are correct
osmosis
Which of the following is the correct pairing of a process and its requirement for oxygen?
All of the listed answers are correct None of the listed answers are correct fermentation: oxygen required Krebs cycle: no oxygen required glycolysis: no oxygen required
glycolysis: no oxygen required
As a result of mitosis, each resulting cell
receives an exact copy of all of the chromosomes present in the original cell.
All of the listed answers are correct
receives exactly half the chromosomes from the original cell.
receives most of the chromosomes from the original cell.
None of the listed answers are correct
donates a chromosome to the original cell.
receives an exact copy of all of the chromosomes present in the original cell.
The binding of a signal molecule by a receptor protein can
change the permeability of the cell.
activate a second messenger inside the receiving cell.
None of the listed answers are correct
All of the listed answers are correct
trigger enzyme activity in the cell.
trigger enzyme activity in the cell.
When the concentration of a substance is the same throughout a space, the substance is
All of the listed answers are correct in equilibrium. undergoing active transport. undergoing passive transport. a hypertonic solution. None of the listed answers are correct
in equilibrium
During the metaphase stage of mitosis,
spindle fibers shorten, pulling chromosomes to the poles of the cell.
the cell membrane folds inward.
All of the listed answers are correct
chromosomes line up at the cell’s equator.
None of the listed answers are correct
chromosomes are at opposite ends of the cell.
chromosomes line up at the cell’s equator.
A pigment that causes a plant to look green is
All of the listed answers are correct chlorophyll. carotenoid. None of the listed answers are correct NADH. NAPH.
chlorophyll
When the cell cycle is not controlled, __________may result.
None of the listed answers are correct cancer All of the listed answers are correct binary fission a spindle Down syndrome
Cancer
In diffusion, a substance moves
from an area of lower concentration to an area of higher concentration.
against its concentration gradient.
down its concentration gradient.
independent of its concentration.
None of the listed answers are correct
All of the listed answers are correct
down its concentration gradient.
The oxygen produced during photosynthesis comes directly from the
mitochondrial membranes. absorption of light. splitting of carbon dioxide molecules. splitting of water molecules. All of the listed answers are correct None of the listed answers are correct
splitting of water molecules.
The electron transport chains of photosynthesis produces
glucose.
water.
None of the listed answers are correct
ATP and NADPH.
All of the listed answers are correct
pyruvate.
ATP and NADPH.
Substances enter or leave a cell through the
cell membrane. nucleus. None of the listed answers are correct Golgi apparatus. All of the listed answers are correct cytoplasm.
cell membrane.
The products of photosynthesis that begin cellular respiration are
None of the listed answers are correct NADP+ and hydrogen. ATP and water. All of the listed answers are correct organic compounds and oxygen carbon dioxide and water.
carbon dioxide and water.
Chromatids are
None of the listed answers are correct
structures that move chromosomes during mitosis.
All of the listed answers are correct
prokaryotic chromosomes.
two exact copies of DNA that make up each chromosome.
dense patches within the nucleus.
two exact copies of DNA that make up each chromosome.