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Kin 223 Chapter 4 connect ?s

Terms in this set (58)

The three main components of the cell are 1) Plasma membrane (cell membrane), 2) Cytoplasm, 3) ____________
Nuclus
The "garbage disposals" for unwanted and/or excess protein in a cell are the ______.
Multiple choice question.
ribosomes
peroxisomes
centrosomes
proteasomes
proteasomes
The cytosol close to the plasma membrane contains relatively more ________ions than does the interstitial fluid that is close to the plasma membrane.
K+
What is a general term for all cellular contents between the plasma membrane and the nucleus?
Multiple choice question.
cytoplasm
matrix
cytosol
nucleoplasm
cytoplasm
True or false: Integral proteins extend through the plasma membrane while peripheral proteins do not.
True
Osmosis is a type of _______.
Multiple choice question.
active transport
passive transport
phagocytosis
pinocytosis
filtration
passive transport
The net movement of K+ and Na+ in maintaining the resting membrane potential is partially dependent upon the number of ______ channels.
Multiple choice question.
leak
continuous
gap
discontinuou
leak
Immune system cells differentiate healthy versus unhealthy cells in the body by examining the ______.
Multiple choice question.
nucleus
glycocalyx
ribosome
DNA
centrosome
glycocalyx
Membrane junctions are composed of ______.
Multiple choice question.
integral proteins only
both integral and peripheral proteins
peripheral proteins only
both integral and peripheral proteins
Transcription is the formation of ______.
Multiple choice question.
a specific protein
DNA
RNA
RNA
The plasma membrane also functions in establishing and maintaining an electrochemical gradient at the plasma membrane called the ______________potential.
Resting Membrane
The replication of the DNA molecule during interphase occurs during the ______ phase.
Multiple choice question.
gap 2
synthesis
gap 1
cytokinesis
mitotic
synthesis
Select all that apply
Sister chromatids are ______.

joined together by a centromere
derived from centrioles
structures that pull chromosomes apart
on separate chromosomes
replicated DNA strands
separated by spindle fiber during anaphase
joined together by a centromere
replicated DNA strands
separated by spindle fiber during anaphase
The process by which cells commit suicide is called ________
apoptosis
Cytology is the study of ______.
Multiple choice question.
tissues and organs
the urinary system
cells
cells
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