EXPERT SOLUTIONS | 2026 LATEST UPDATED | GET A+
What is the function of the plasma membrane?-(answer)it regulates material moving into and out
of the cell (Selective permeability)
What molecules can pass through the plasma membrane?-(answer)hydrophobic molecules and
VERY SMALL hydrophilic molecules
acetyl CoA is a component in which of the following stages?
a) krebs cycle
b) calvin cycle
c)electron transport cycle
d) all of the above-(answer)Krebs cycle
which of the following can pass through a semipermeable membrane WITHOUT assistance from
integral proteins
a)water
b)charged molecules and ions
c)noncharged molecules
,d) macromolecules
e)both a&c-(answer)both a and c
facilitated diffusion is used to move all but which of the following...
a) glucose
b)amino acids
c) ions
d0 all of the above are moved-(answer)all of the above are moved
which is not found in the plasma membrane?
a)cholesterol
b)intergral and peripheral proteins
c)phospholipids
d)thylakoids-(answer)thylakoids
aquaporins which allow polar water to cross a nonpolar membrane are common examples of
_______ transport.
a)passive
b)active
, c)public-(answer)passive
which is NOT a characteristic of active transport
a)energy required
b)transport proteins
c)no ATP required
d)moves against concentration gradient-(answer)no ATP needed
which of the following is the base for our environment's energy?
a) autotrophs
b) decomposers
c)the sun
d) heterotrophs-(answer)the sun
a log burns at a campsite. the potential energy in the log is converted to heat.light, sound as the
mass of the log becomes ash and smoke. this is an example of what?
a)second law of thermodynamics
b)first law of thermodynamics
c)zeroth law of thermodynamics