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Cells
Test Description: Transport
Instructions: Answer all questions to get your test result.
1) Any process that involves active transport most often involves the...
A
movement of molecules from high to low concentration
B
no movement
C
movement of molecules from low to high concentration
2) What is the function of the: Mitochondria
A
Converts energy from food into cellular energy (ATP) needed to carry out functions
B
assembles amino acids to make proteins
C
Gel-like fluid where the organelles are found
3) Which type of solution has more solute outside the cell, water moves out, and the cell SHRINKS?
A
isotonic solution
B
hypertonic solution
C
hypotonic solution
4) What is one way that your body maintains homeostasis when you are TOO cold??
A
sweating
B
crying
C
shivering
5) Which type of cell has numerous organelles?
A
Eukaryotes
B
Prokaryotes
C
none
6) What type of cell transport requires ENERGY?
A
osmosis
B
Passive transport
C
Active transport
D
diffusion
7) What is your body's ability to maintain a constant, stable, internal state?
A
Exocytosis
B
Diffusion
C
Homeostasis
8) What process moves WATER molecules across the membrane of a cell? *
A
Endocytosis
B
Osmosis
C
Active transport
9) Which type of cell has a cell wall?
A
Animal cell
B
Plant cell
C
Human cell
10) What is the function of the: Chloroplasts
A
Photosynthesis
B
contains DNA
C
gel-like fluid that holds things
11) Which solution has equal solute both inside and outside, and water will move equally in and out?
A
Hypotonic
B
Hypertonic
C
Isotonic
12) What is the function of the: Ribosomes
A
contains DNA
B
assemble amino acids to make proteins
C
photosynthesis
13) What type of protein performs active transport uses ATP (energy) to move molecules from low to high concentration?
A
Protein pump
B
Passive transport
14) During diffusion, molecules move...
A
from low to high concentration
B
from high to low concentration
C
nowhere
15) What is equilibrium?
A
low amount of solute on the inside, higher on the outside
B
equal amounts of solute on both sides
C
High amount of solute on the inside, lower on the outside
16) Which type of cell is typically smaller and less complex?
A
Prokaryote
B
Eukaryote
17) 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
18) True or False: Diffusion requires energy.
A
True
B
False
19) Which part of the cell controls what enters or exits?
A
Chloroplast
B
Ribosomes
C
Cell Membrane
20) True or False: Facilitated diffusion uses a PROTEIN to help molecules move from high to low concentration.
A
True
B
False
*select an answer for all questions
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