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Dental Admissions test biology Miscellanous Questions with 100% correct answers
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Dental Admissions test biology Miscellanous Questions with 100% correct answers

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  • June 16, 2024
  • 6
  • 2023/2024
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Dental Admissions test biology
Miscellaneous
ingestion -✅✅-aquisition of food
assimilation - ✅✅-building of new tissues from digested food

glucose + fructose = - ✅✅-sucrose

glucose + galctose= - ✅✅-lactose

glucose +glucose = - ✅✅-maltose

what are the three types of dissachrides? - ✅✅-glycogen (energy storage in
animals), starch (energy storage in plants), cellulose (polymer of beta glucose
structural component, (chitin (like cellulose, but glucose has a nitrogen/structural
molecules)

where is chitin found? - ✅✅-fungi, exoskeleton of insects, arthropods, and
mollusks

what do enzymes do? - ✅✅ -they lower activation energy and increase the rate of
the reaction. Does not affect the overall E.

competitive inhibitors -✅✅-compete with substrate for binding an active site; can
be overcome by adding more substrate; v max not affected

noncompetitive inhibitors - ✅✅-bind at allosteric site; diminshing vmax
holoenzyme - ✅✅-union of cofactor and apoenzyme
apoenyzme - ✅✅-a protein portion of an enzyme, inactive without a cofactor

cooperativity - ✅✅-enzyme more receptive to additional substrate after one
substrate molecule attaches to an active site

what is an example of cooperatvity? - ✅✅-hemoglobin is more capable of binding
to oxygen after already binding to one

prokaryotes - ✅✅
-bacteria,cell wall, nuleoid region-- (naked dna), ribosomes (not
membrane bound)(70S and 30S ) flagella not of microtubules

, fungi and plants both have -✅✅-cell wall, nucleus, membrane bound organelles
Eukaryotes contain what inside their nucleaus - ✅✅-nucleolus- components of
DNA in the process of manufacturing components of ribosomes

chromatin - ✅✅-the normal form of DNA, spread out in a threadlike matrix
rough er - ✅✅-creates glycoproteins by attaching polysaccharides to polypeptides

smooth er - ✅✅-synthesis of lipids and hormones for export (liver)

golgi appratus - ✅✅-modify (glycosylation), and package proteins and lipids into
vessicles

centrioles - ✅✅-microtubule involved in spindle organization during cell division/
No membrane

✅✅-EUKARYOTIC, chromosomes where spindle fibers attach
centrosomes -

lysosome - ✅✅-membrane bound, involved in ingestion/ hydrolytic enzymes. LOw
pH- inactive in cytosol and NOT IN PLANT CELLs

In plant cells, this modifies the by products of photo respiration - ✅✅-peroxisomes
this breakes down, H2O2, fatty acids, and amino acids - ✅✅-peroxisomes
this structure is common in liver and kidney cells - ✅✅-peroxisomes
✅✅
this organelle exhibits the pattern of maternal inheritance and carries out aerobic
respiration - -mitochondria

this structure carries out photosynthesis - ✅✅-chloroplasts
✅✅
Name of the order of the three items that compose the cytoskeleton -
-microtubules<intermediate filiaments< microfilaments

This item is found in spindle apparatus and flagella - ✅✅-microtubules
✅✅-int. filaments
this maintains cell shape -

this is made of actin - ✅✅-microfilaments


✅✅
this is involved in motility, and found in muscle cells and phagocytes -
-microfilaments

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