Cells Question Preview (ID: 54961)
Transport.
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Which type of cell is typically smaller and less complex?
a) Prokaryote
b) Eukaryote
c)
d)
If temperature gets too low, the brain senses the change and signals are sent to the body to shiver, constrict arteries, and warm you back up. What type of feedback is this? *
a) Negative feedback loop
b) Positive feedback loop
c)
d)
During diffusion, molecules move...
a) from low to high concentration
b) from high to low concentration
c) nowhere
d)
What is equilibrium?
a) High amount of solute on the inside, lower on the outside
b) low amount of solute on the inside, higher on the outside
c) equal amounts of solute on both sides
d)
What type of protein performs active transport uses ATP (energy) to move molecules from low to high concentration?
a) Passive transport
b) Protein pump
c)
d)
Which solution has equal solute both inside and outside, and water will move equally in and out?
a) Hypertonic
b) Isotonic
c) Hypotonic
d)
What is the function of the: Ribosomes
a) assemble amino acids to make proteins
b) contains DNA
c) photosynthesis
d)
What is the function of the: Chloroplasts
a) Photosynthesis
b) gel-like fluid that holds things
c) contains DNA
d)
What is your body's ability to maintain a constant, stable, internal state?
a) Diffusion
b) Exocytosis
c) Homeostasis
d)
What process moves WATER molecules across the membrane of a cell? *
a) Endocytosis
b) Osmosis
c) Active transport
d)
Which type of cell has a cell wall?
a) Plant cell
b) Animal cell
c) Human cell
d)
What type of cell transport requires ENERGY?
a) Passive transport
b) diffusion
c) osmosis
d) Active transport
Which type of cell has numerous organelles?
a) Eukaryotes
b) Prokaryotes
c) none
d)
What is one way that your body maintains homeostasis when you are TOO cold??
a) sweating
b) crying
c) shivering
d)
Which type of solution has more solute outside the cell, water moves out, and the cell SHRINKS?
a) hypotonic solution
b) hypertonic solution
c) isotonic solution
d)
What is the function of the: Mitochondria
a) Converts energy from food into cellular energy (ATP) needed to carry out functions
b) Gel-like fluid where the organelles are found
c) assembles amino acids to make proteins
d)
Any process that involves active transport most often involves the...
a) movement of molecules from low to high concentration
b) movement of molecules from high to low concentration
c) no movement
d)
True or False: Diffusion requires energy.
a) True
b) False
c)
d)
Which part of the cell controls what enters or exits?
a) Ribosomes
b) Chloroplast
c) Cell Membrane
d)
True or False: Facilitated diffusion uses a PROTEIN to help molecules move from high to low concentration.
a) True
b) False
c)
d)
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