ASU BIO 181 EXAM 1 NEWEST ACTUAL
EXAM WITH COMPLETE QUESTIONS
AND DETAILED ANSWERS GRADED A |
BRAND NEW!!!
what is the difference between a triglyceride and a
phospholipid? - ✔✔✔ Correct Answer > triglyceride has 3 fatty
acids and phospholipid has 2
T/F the ER is contiguous with the nuclear envelope - ✔✔✔
Correct Answer > true
what are the functions of a membrane? - ✔✔✔ Correct Answer
> cell protection and controlling cell movement
T/F its a simple matter (ie thermodynamically) for vesicle to
form from the endoplasmic reticulum. - ✔✔✔ Correct Answer >
false
,is cholesterol good or bad to have in biological membranes -
✔✔✔ Correct Answer > good
the plasma membrane gets new lipids from - ✔✔✔ Correct
Answer > none of the above
consider the geography of cells. Actin filaments are present in
the cell's ____ and the microtubules are present in the cell's -
✔✔✔ Correct Answer > cortex
T/F chromosomes are made out of Euchromatin - ✔✔✔ Correct
Answer > false
Where is the histone H1 found? - ✔✔✔ Correct Answer > they
are found in eukaryotic cell nuclei
T/F the diameter of an intermediate filament is 25 nm. - ✔✔✔
Correct Answer > false
T/F the actin filament system is present in the nucleus - ✔✔✔
Correct Answer > false
, T/F to get into the nucleus a component has to have the correct
signal sequence and pass through a nuclear pore. - ✔✔✔
Correct Answer > True
which cytoskeleton filament system lines the inside of the
nucleus to protect it? - ✔✔✔ Correct Answer > microtublues
T/F cilia and microvilli contain a similar number of parallel actin
filaments - ✔✔✔ Correct Answer > false
T/F naked DNA does not exist in nature of parallel actin
filaments - ✔✔✔ Correct Answer > false
T/F naked DNA does not exist in Nature but scientists can make
naked DNA in a test tube. - ✔✔✔ Correct Answer > true
what does the nucleosomal core have in it (ie the basketball like
structure on the slides)? - ✔✔✔ Correct Answer > histones
T/F molecular motor use ATP as the energy source to power the
molecular motor. - ✔✔✔ Correct Answer > true
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