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cellstudystack
Question | Answer |
---|---|
single cell organisms without nucleus | |
multicellular organisms | |
bacteria is a | |
protozoa are | |
outermost layer of a mammalian cell | |
surrounds the nucleus | |
barrier between the environment and cytoplasm | |
governs movement of atoms and molecules in and out of cells | |
another name for two layers of phospholipid molecules | |
fatty acid tails are located | |
fatty acid tails are hydro phobic or philic? | |
heads are hydro phobic or philic | |
suspends proteins, constantly changing | |
lipid soluble materials pass through the membrane with EASE or DIFFICULTY | |
proteins that span the width of the membrane | |
membranes bound to one side or the other of the membrane | |
glycocalyx is made of what? | |
glycoproteins job is to | |
glycolipids job is to | |
cilia and flagella originate from | |
move in waves, propel fluid, mucus and debris | |
attached to individual cells to propel cell forward | |
give support to the cell | |
cytoskeleton is composed of | |
list 8 organelles | |
powerhouse of the cell, creates energy | |
site of protein synthesis for intracellular and extracellular use | |
has ribosomes on the surface | |
involved in protein production | |
involved in lipid production and storage | |
ER is continuous with what 2 things? | |
responsible for modification, packaging and storage of molecules | |
formed by golgi, breakdowns nutrients for use | |
contain enzymes for detoxification | |
convert free radicals to hydrogen peroxide | |
convert hydrogen peroide to water | |
engulfed metabolic stubstances | |
found in pairs, form bases of cilia & flagella, help organize spindle fibers | |
maintains heredity information and controls cell activity | |
4 parts of the nucleus | |
contains nuclear pores | |
made up of DNA and histones | |
location where ribosomal subunits are made | |
genetic material | |
intracellular | |
extracellular | |
interstitial | |
acids and bases are types of | |
excretory processes that require energy | |
excretory processes that do not require energy | |
movement of molecules from area of high concentration to low concentration | |
diffusion is dependent on what 3 things | |
movement of molecules through membrae with assistance of integral/carrier proten | |
does facilitated diffusion require energy? | |
movement of water through membrane from area of high water concentration to low water concentration | |
force of water moving from one side of the membrane to the other | |
osmosis or diffusion requires a selective membrane? | |
same concentration as intracellular fluid | |
fluid is more concentrated than cytoplasm | |
cytoplasm is more concentrated than fluid | |
cells burst qhen put in | |
cells crenate when put in | |
requires energy to move material | |
changes in distribution of charged particles on either side of a membrane | |
two types of endocytosis | |
cell engulfing solid material | |
cell engulfing liquid (cell drinking) | |
movement of material out of the cell via vesicles | |
process of cell division | |
phase when cell is growing, maturing and differentiating | |
period between cell divisions | |
interphase has 3 stages, what are they | |
when chromatin strands for chromosomes | |
when nuclear envelope breaks down | |
when chromosomes line up in center | |
when centromeres attach to spindle fibers | |
when chromatids are pulled apart | |
the thing that pulls the chromatids apart | |
where the cytoplasm constricts | |
when chromatin begins to unravel at the poles of the cell | |
when the nuclear envelope appears | |
the end of this phase is marked by cytokinesis | |
process by which genetic information on DNA is copied to mRna | |
process by which protein is created from mRNA | |
occur when there are errors in DNA replication | |
anything causing a genetic mutation |