The last question asks to "compare" so the response should only list similarities, correct? Based on this markscheme, the question should ask students to "contrast" rather than "compare."
Prokarotes IB style questions - model answersHi, Can we please have the answers for activity 1?
Gene Linkage 2 (2025)Thank you so much for the detailed clarification. It all makes sense now. Best wishes, Lara
C2.1 Chemical signalling HL - model answersDear Lara, Your question is a very good one. There are some hormones which bind to cell surface receptors and also affect gene expression, growth hormone is one example. So it is correct to say that binding to a cell surface receptor can...
C2.1 Chemical signalling HL - model answersSamantha On the left menu under New Style Mock Examinations.
Mock exam - Paper 1a - Standard levelHello, for Q.8 i was wondering why no mark point is given to cell surface receptor binding. the focus of the model answer was for steroid hormone. Please enlighten me. Lara
C2.1 Chemical signalling HL - model answersHi, I cant find the model answers for the new mock style standard level tests
Mock exam - Paper 1a - Standard levelHello, do you guys have the "Modes of nutrition vocabulary activity" model answers sheet?
Modes of nutrition (2025)Dear Monira,Thanks for your comment. You can find model answers in the left hand menu. I have added a link to the teachers note to make them easier to find.Best wishes, David
Asexual & Sexual reproduction
Richard
Site authorSonja Correct, it should be contrast, sorry for the typo.
Prokarotes IB style questions - model answers