Stereochemistry - R S Configuration & Fischer Projections

Do we just ignore the fourth priority unless it is on a dash?

For Q3, the one assigning chiral centers for Cholesterol, would there not be a chiral carbon just below the 2nd chiral carbon? It is attached to a sp2 hybridized carbon, the carbon with a methyl group, and a ch2 carbon that eventually leads to an alcohol

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How does OH have a higher priority than br?

For question 3, how is the right part of the hexagon not a chiral center? It has four different groups?

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I didn't get cholesterol example

Am sorry I got confused, isn't clockwise S- configuration and counterclockwise R Configuration?

the cholestrol structure is wrong (position of double bond) with the given structure we get 9 chiral centres

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For the cholesterol molecule, shouldn't the double bond be going the other way towards the adjacent hexane?

You have a problem with the double in the cholesterol, that made me confused

you wrote wrong cholesterol molecule, duble bond should be on the left side

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how can i know which compound has the higher priority?????

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Why does Hydroxyl Group have Priority when naming the fisher projection molecule? If Bromine has a higher atomic mass?

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Thank you sir

Can we wrie 2-brom-2 methylbutane instead of 2-brombutane?