Quiz 1 and 2 Review Flashcards
Which of the following transport processes always requires metabolic energy?
a) vesicular transport
b) osmosis
c) carrier mediated transport
d) facilitated diffusion
e) diffusion
a) vesicular transport
Exocytosis is to ______________, as endocytosis is to ______________
secretion, pinocytosis
Which of the following types of membrane proteins function by recognizing and binding to hormones and neurotransmitters?
a) linkers
b) cell identification markers
c) transporters
d) enzymes
e) receptors
e) receptors
Is diffusion passive or active transport?
passive transport
Is facilitated diffusion passive or active transport?
passive transport
Is vesicular transport passive or active transport?
active transport
Is phagocytosis passive or active transport?
active transport
Is osmosis passive or active transport?
passive transport
Is endocytosis passive or active transport?
active transport
Which transport process occurs in some WBCs and macrophages?
phagocytosis
Functions of the plasma membrane include all of the following EXCEPT:
a) separation of the cytoplasm from the ECF
b) sensitivity to chemical changes in the ECF
c) structural support
d) regulation of exchange of materials with the extracellular environment
e) thermal insulation
e) thermal insulation
Which of the following is arranged in the correct order from the most complex to the simplest?
a) molecular, cellular, tissue, organ, system, organism
b) organism, system, organ, tissue, cellular, molecular
c) tissue, cellular, molecular, organ, system, organism
d) cellular, tissue, molecular, system, organ, organism
e) organ, organism, molecular, cellular, tissue, system
b) organism, system, organ, tissue, cellular, molecular
Prokaryotes are also made up of cells, a defining feature is prokaryotes ____________________
do not have a nucleus
Proteins belong to which level of organization?
molecular
This process is often called cellular eating: _______________
phagocytosis
Histology is a branch of __________
anatomy
Hemolysis may occur when a blood cell is placed into a(n) ______________ solution
hypotonic
If the concentration of sodium chloride in the interstitial fluid surrounding cells decreases and the concentration of other solutes remains constant, then _________________________
the cells will swell
ECF stands for ________________
extracellular fluid
The sum of all chemical reactions within the human body is referred to as _______________
metabolism
The hydrophilic part of the plasma membrane is due to _______________
phosphate heads
Which of the following are needed to form microvilli?
a) microfilaments
b) transport vesicles
c) cilia
d) microtubules
e) intermediate filaments
a) microfilaments
Transport vesicles of packaged and folded proteins would be seen…? (choose best fit)
a) moving away from the mitochondria
b) on the trans face of the golgi
c) entering in sER
d) passing through nuclear pores
e) on the cis face of the golgi
b) on the trans face of the golgi
Is cilia made from microtubules, intermediate filaments, or microfilaments?
microtubules
Is microvilli made from microtubules, intermediate filaments, or microfilaments?
microfilaments
Are centrioles made from microtubules, intermediate filaments, or microfilaments?
microtubules
Is flagella made from microtubules, intermediate filaments, or microfilaments?
microtubules
What part/filament of the cytoskeleton compartmentalizes the cytoplasm?
intermediate filaments
Desmosomes are an example of ________________
adherens junctions
An organelle that oxidizes organic molecules so they don’t accumulate within a cell?
peroxisomes
An epithelial tissue located and designed for absorption would have which of the following modifications?
a) stratified cuboidal cells
b) flagellum
c) secretory merocrine cells
d) microvilli
e) cilia
d) microvilli
What is the function of the SER?
synthesizing lipids
What is the function of lysosomes?
intracellular digestion
What organelle forms cilia?
cytoskeleton
What is the function of the mitochondria?
production of cellular energy
Which organelle synthesizes lipids and steroid molecules?
SER
Zonulae occludens are a type of cell-cell adhesion also known as __________________
tight junctions
What structure is composed of 2 subunits and RNA?
ribosomes
Which organelle provides strength within a cell and organizes the cell contents?
intermediate filaments
Which of the following organelles is classified as nonmembranous?
a) ribosome
b) nucleus
c) lysosome
d) SER
e) mitochondria
a) ribosome
Briefly describe the difference between a chromosome and chromatin
chromosome= packaged/wrapped up DNA
chromatin= partially unwound DNA that is wrapped around histones (helper proteins)
The epithelia lining the blood vessels of the human body is ________________
endothelium
The protein and RNA of a ribosome is formed in the ____________ of the cell
nucleolus
Pseudostratified epithelia are classified based on which of the following characteristics?
a) the cells all being in contact with the basal lamina
b) cells of varying shapes and widths
c) presence of cilia
d) the ability to divide and regenerate
e) 10+ layers of squamous cells
a) the cells all being in contact with the basal lamina
DNA is found within the nucleus and the ________________ of a eukaryotic cells
mitochondria
This epithelium allows for distension and stretching
transitional epithelium
The thin extracellular matrix (ECM) found in epithelia tissue is called
basal lamina
