Cell Test: Structure, function, membrane, and transport
Terms in this set (40)
Which of the following is TRUE of a cell membranes?
A. Cell membranes allow ALL substances to pass through easily
B. It is selectively permeable so only certain molecules can pass through it.
C. It acts more like a fluid than a solid because its molecules are constantly moving
D. Cell membranes surround all animal, plant, and bacterial cells.
E. It is a bilayer composed mainly of phospholipids and proteins
B, C, D, E
The nucleus includes all of the following EXCEPT ____________________
B. nuclear envelope
Substances produced in a cell and exported outside of the cell would pass through __________________
A. endoplasmic reticulum and Golgi apparatus
B. mitochondria and Golgi apparatus
C. nucleus and lysosomes
D. vacuoles and mitochondria
Cells like muscle cells which require lots of energy would probably have many ____________________.
Viruses, bacteria, and old organelles that a cell wants to get rid of are broken down in ______________
C. rough ER
Mitochondria store the energy released when they burn glucose as ______________________.
The structures that synthesize proteins in cells are the ____________________.
B. Golgi apparatus
The folded inner membrane in mitochondria which increases the surface area for chemical reactions to take place is called the ________________.
The dark spot seen in the nucleus in non-dividing cells where RNA for ribosomes is made is called the ______________________
The organelle that makes steroids in gland cells, regulates calcium in muscle cells, and
a break down toxins in liver cells is the __________________.
B. Golgi bodies
C. smooth ER
D. rough ER
The cells organelles that are surrounded by DOUBLE MEMBRANES and contain their OWN DNA are the _________________
A. nucleus, ER, and lysosomes
B. nucleus, vacuoles, and chloroplasts
C. nucleus, chloroplasts, and mitochondria
D. ER, Golgi bodies, and vacuoles
Which two molecules are used to make cell membranes?
A. carbohydrates and glycogen
B. polysaccharides and nucleic acids
C. phospholipids and starch
D. phospholipids and proteins
E. nucleic acids and lipids
Integral proteins with carbohydrates (sugars) attached that stick out on the exterior surface of cell membranes help recognize "self" and are called _______________________.
A. amino acids
One difference between eukaryotes and prokaryotes is that _____________________
A. prokaryotes are surrounded by a cell membrane and eukaryotes are not
B. prokaryotes have a nucleus and eukaryotes don't
C. eukaryotes have DNA and prokaryotes don't
D. eukaryotes have membranes around their nucleus and organelles and
Vacuoles are _______________ in plant cells than in animal cells.
Cell membranes form because the hydrophobic tails on phospholipids try to ________ water.
A. be near
B. stay away from
Which of the following organelles does the Endosymbiotic Theory suggest evolved from symbiotic relationships between prokaryotic cells?
B. Golgi bodies
Name two organelles found in plant cells that are NOT seen in animal cells.
Cell wall, Chloroplast
What are two ways that a chromatin and a chromosome are different?
Unfolded and uncondensed, coiled up and condensed.
Double-layered sheet that gives the cell membrane a strong, flexible barrier.
Some substances can pass through and others cannot.
Type of cellular transport that does not use cellular energy.
Process by which particles move randomly from high to low concentration until equilibrium is reached.
Process through which molecules pass through special protein channels in the cell membrane.
Facilitated diffusion of water through a selectively permeable membrane.
Type of cellular transport requiring cellular energy.
What are two similarities of diffusion and facilitated diffusion?
Don't require energy, go across cell membrane
What kind of cells don't have membrane-bound organelles?
What part of the membrane does the most work?
What process is used for oxygen to cross the membrane?
If integral proteins don't make contact with the cells around them, what will happen?
The cells will die
What is the process of making energy?
What is the Golgi's job?
To pack and send things away
What does the chloroplast do?
If phagocytosis is like eating, what is pinocytosis like?
What does saltwater do to cells?
Dehydrate and kill
In a hypotonic solution, cells will _____, or ___.
What is removed from ATP for cell energy? What process is this?
The last phosphate, hydrolisis
What will happen to cells without ATP?
They will die
What makes reactions faster and use less energy in the body?