OCR biology paper 2 2019 discussion

Onion was broken in mortal and pestle to break down cell wall.
The step missed was adding detergent to distrust cell membrane
Protease enzyme break down histones protein associated with DNA forming chromatin
Contamination of DNA with pineapple dna
Precipitation reaction
Idk whose answers are correct but will appreciate other people telling their answers too

Well I got 10,082 so yeah den

Onion was broken in mortal and pestle to break down cell wall.
The step missed was adding detergent to distrust cell membrane
Protease enzyme break down histones protein associated with DNA forming chromatin
Contamination of DNA with pineapple dna
Precipitation reaction
Idk whose answers are correct but will appreciate other people telling their answers too

What did people get for hardy Weinberg? I got D(45.3%)

What did people get for hardy Weinberg? I got D(45.3%)

I got 84 for the phospholipid question

Well I got 10,082 so yeah den

put C because square root of 0.12 and square root of C equalled to 1 so satisfied p+q

Percentage error was 12.5%
Percentage on the piechart would be around 10-15%
The spearmans rank answer was 0.649
Still birth percentages are 30.8% and 12.8
Number of phospholipids are 84.

This could be all wrong so don't take it as the bible

I got 83 i think .Did you find the diameter to be 4cm?

MULTIPLE CHOICE ANSWERS (these are mine only so correct me if I'm wrong

ACCADBACBCDCADAD

Yh the circle shown has 21 phospholipids. A circle is pie r2 so you just multiply by 4. People were getting 1,000 something but it didn't make sense since there's no measurements on the question.

i put 12.5%, did you use a protractor or something?

I got 0.625 for the index questions
11% for the percentage of the pie chart

Why was the age not shown on the X axis
I said it’s hard to tell the exact age of a nucleus because it’s taken from a body cell and you don’t know when it was produced by mitosis something like that