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Intro to cells LAB
Terms in this set (47)
Which of the following statements is NOT included in the cell theory?
Cells are not the smallest living units that perform physiological functions.
The following are all functions of the plasma membrane EXCEPT ____________.
Which of the following is NOT a membranous organelle?
How many pairs of chromosomes do human cells have?
The phase of mitosis where the separation of the chromosomes occurs is __________.
The Cell Theory is NOT _____.
Another name for the Germ Theory of Disease
Which of the following is NOT true of the cell membrane?
The cell membrane is a rigid barrier that cannot be penetrated by extracellular ions, proteins, or carbohydrates.
All of the following are non-membranous organelles EXCEPT _____.
One of the two combined cellular processes that result in the formation of two daughter cells that are the same as the parent cell is _____.
Which of the following is NOT considered to be part of the M phase of mitosis?
Which of the following nonmembranous organelles increases surface area?
Which organelle is involved in the synthesis of cholesterol?
smooth endoplasmic reticulum
Which organelles are filled with powerful enzymes that digest worn-out cell components and destroy microbes?
Which organelle controls the activities of the cell, such as protein synthesis, gene action, cell division, and metabolic rate?
The liquid that is inside the cell is called the ___________.
Which of the following is NOT a characteristic of human cells?
They possess the ability to convert light energy to chemical energy via the chloroplast.
The large and small subunits of a ribosome are produced in the _________.
Pancreatic beta cells produce insulin that is secreted from the cell to regulate serum glucose levels. What sequence of organelles might we examine for the origin of the secreted insulin?
Ribosome - lumen of rough endoplasmic reticulum - Golgi apparatus - transport vesicle
Which of the following cells would most likely have the greatest number of mitochondria?
Cardiac muscle cell (cell of the heart)
This phase of the cell cycle is a time for protein synthesis, growth, and replication of organelles, including the centriole pair.
What stage of mitosis do chromosomes become visible in the nucleus?
What phase of mitosis do the chromosomes line up in the middle of the cell?
What phase of the cell life cycle does replication of DNA occur?
What phase of interphase is a time for protein synthesis, growth, and replication of organelles, including the centriole pair?
Which of the following lists the correct sequence of the cell cycle phases?
G1 phase, S phase, G2 phase, mitosis, cytokinesis
The cellular process called mitosis will produce _____.
Two diploid cells identical to the parent cell
The total number of chromosomes in a human somatic cell is 46. Following mitosis there will be _____.
46 chromosomes in each daughter cell
Which is NOT correctly matched to its description?
Cleavage furrow - impingement of the plasma membrane, which marks the start of cytoplasmic division and begins in late anaphase
(Anaphase - the nuclear envelope fragments, the nucleolus disappears and the DNA condenses )
Cytokinesis - division of the cytoplasm
Centromere - point where sister chromatids remain attached
Sister chromatids - two identical chromosome strands attached at the centromere
A cancer cell has lost the normal regulation of the cell cycle and will divide uncontrollably, forming a large mass of cells called a neoplasm or a tumor.
The structure that holds sister chromatids together is called the ________.
To which portion of the chromosome do the mitotic spindle microtubules attach during the highlighted phase of mitosis?
When the solutes are evenly distributed throughout a solution, we say the solution has reached _______.
Which of the following is NOT a passive process?
Which of the following does NOT describe the plasma membrane?
Which of the following requires a membrane-bound carrier for transport?
Which of the following solutes would move the fastest?
For solutes that are membrane permeable, which of the following does NOT affect the rate of diffusion?
the kinetic energy of the solute
In this activity, the solutes were transported through the dialysis membrane by _______.
Through which membrane(s) would sodium chloride diffuse?
50 MWCO, 100 MWCO, and 200 MWCO
Which of the following statements about carrier proteins is FALSE?
They assist in simple diffusion.
Which of the following statements about facilitated diffusion is FALSE?
The movement of a given solute usually occurs in both directions (into and out of the cell).
Which of the following is NOT a reason why a solute would require facilitated diffusion?
The solute directly requires ATP for its transport.
Which of the following would increase the rate of facilitated diffusion?
increasing the steepness of the concentration gradient
Simple diffusion and facilitated diffusion both _______.
move solutes with their concentration gradient
Which of the following would decrease the rate of facilitated diffusion?
decreasing the number of carrier proteins
What happens to facilitated diffusion when the protein carriers become saturated?
The maximum rate of transport will occur
What happened when sodium chloride was added as a solute in the left beaker?
There was no change in the transport rate of glucose.
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