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Higher Biology Answers

DarrenC

I hate how the answers have to be written on the question paper. I've forgotten all the questions already so I wish I could've taken the paper home :frown:

WHAT QUESTION ABOUT DOGS?! :eek3:

I hope I didn't accidently skip a page!

it was multi choice gene cross, about the colour of a dogs fur i think

Reply 81

DarrenC

Crap. Think I put 1 in 4

Reply 82

isharif

DarrenC

Crap. Think I put 1 in 4

i put that too :|

Reply 83

Tobinobin

isharif

i put that too :|

me too!

Reply 84

DarrenC

did you get 4/16 then cancel it down? I'm rubbish with genetics so I didn't expect to get it right anyway...

Reply 85

jackwka

OP

DarrenC

did you get 4/16 then cancel it down? I'm rubbish with genetics so I didn't expect to get it right anyway...

The genotype had to be either:

llBB or llBb, sounds like you counted the llbb as well(as I did on my first attempt)

Reply 86

bescientific69

DarrenC

did you get 4/16 then cancel it down? I'm rubbish with genetics so I didn't expect to get it right anyway...

I did a punnett square and only 3 of the combinations matched whatever genotypes the question was asking for (i've forgotten :p:

) and there are sixteen combinations in a punnett square.

Reply 87

MySweetheartTheDrunk

8

isharif

i wrote that you can obtain it from food.. :frown:

i guessed though, i was really confused with that question aswell. :confused:

Yeah, you can get tyrosine from food, and the genes coding for enzymes 2 and 3 are unaffected, so tyrosine can still be broken down to the skin pigment thingy. About the thalidomide/alcohol/nicotine question, both nicotine and alcohol cause stunted growth AND problems wiht brain development, right? Don't have any books to look it up and check now!

Reply 88

ThisIsMyUserName12

anyone have a spare exam they got put up ?

Reply 89

JoshCurran

bescientific69

I did a punnett square and only 3 of the combinations matched whatever genotypes the question was asking for (i've forgotten :p:

) and there are sixteen combinations in a punnett square.

Same

Reply 90

DarrenC

MySweetheartTheDrunk

About the thalidomide/alcohol/nicotine question, both nicotine and alcohol cause stunted growth AND problems wiht brain development, right? Don't have any books to look it up and check now!

That's what I thought! But there was no option for it...

My book says alcohol causes "mental disability and poor growth" and nicotine causes "poor mental development and poor growth"

Judging from that I think I got it right but poor mental development and mental disability are almost the same thing... :s-smilie:

Reply 91

dan51

bescientific69

I did a punnett square and only 3 of the combinations matched whatever genotypes the question was asking for (i've forgotten :p:

) and there are sixteen combinations in a punnett square.

i got the same as you, i did the full punnet square on the work sheet :smile:

Reply 92

Tobinobin

Was nice - straight as I went into the exam I wrote out the full kreb and calvin cycles :smile:

Reply 93

ThisIsMyUserName12

anyone got a spare exam they could* put up?

Reply 94

RizzyI

MySweetheartTheDrunk

Yeah, you can get tyrosine from food, and the genes coding for enzymes 2 and 3 are unaffected, so tyrosine can still be broken down to the skin pigment thingy. About the thalidomide/alcohol/nicotine question, both nicotine and alcohol cause stunted growth AND problems wiht brain development, right? Don't have any books to look it up and check now!

Was the tyrosine thing worth two marks? Because I didn't mention the fact that enzymes 2 + 3 were unaffected...

And yeah, you're right about the thalidomide thing. I can't remember which letter it was but I put down that alcohol and nicotine caused poor mental developement and poor growth and only thalidomide caused limb deformities.

Reply 95

dan51

Tobinobin

and calvin cycles :smile:

unfortunatly im no good at the calvin cycle lol that page was a bit tricky for me, everything else was good though, i was pleased to get bee questions aswell :biggrin:

as for the essays i did ectotherms and endotherms, and then the mutations question.

Reply 96

G_C

RizzyI

Was the tyrosine thing worth two marks? Because I didn't mention the fact that enzymes 2 + 3 were unaffected...

Yeah I did the exact same thing :frown:

Reply 97

teendude

red_roses123

How did everyone find the Higher Biology Exam.

I have my answers to the multiple choice section, dont know how many are right though.

1.D
2.B
3.C
4.B
5.C
6.D
7.A
8.D
9.D
10.D
11.A
12.B
13.D
14.B
15.B
16.C
17.D
18.B
19.A
20.B
21.A
22.C
23.B
24.D
25.A
26.B
27.C
28.C
29.C
30.A

strawberryilicious

heres mine =x

DBABDDADDCABDBDCDDABCCCDABBCCA

i doubt i got many right tho

And mine:
DBCBCDADDDABDBC
CDDABACABABCACA

Reply 98

teendude

ok sorry for the double post but to make that clearer:

red roses got: DBCBCDADDD ABDBBCDBAB ACBDABCCCA
strawberrylicious got: DBABDDADDC ABDBDCDDAB CCCDABBCCA
I got: DBCBCDADDD ABDBCCDDAB ACABABCACA

We all matched 20 answers :smile:

(1 2 4 6 7 8 9
11 12 13 14 16 17 19 20
22 25 26 29 30 )

if anyone gets a list of correct answers please post :smile:

My friend got: DBCBCDADDD CBDBBCCBAB ACADABCACA

Reply 99

innerhollow

18

DarrenC

That's what I thought! But there was no option for it...

My book says alcohol causes "mental disability and poor growth" and nicotine causes "poor mental development and poor growth"

Judging from that I think I got it right but poor mental development and mental disability are almost the same thing... :s-smilie:

There was an option for that.

1. Limb deformation
2. Reduced Growth
3. Reduced mental development

The answer was: Thalomide- 1, Alcohol- 2&3 and Nicotine- 2&3, which corresponds to D

Higher Biology Answers

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