AQA A-level Biology paper 1 Q&A AQA A Level Biology Mock Paper 1 Q&A Biology AQA A level 7401/1 Paper 1 Q&A AQA A-Level Biology Paper 1 2023 Q&A AQA A-Level Biology: Paper 1 2021 questions and answers Biology AQA Summer 2021 assessment
[Show more]
8.2 define non-coding base sequences and describe where the non coding multiple repeats are positioned in the genome. - Correct answer-- DNA that does not code for protein - positioned between genes 4.1 use figure 5 to explain how human mass at birth is affected by stabilising selection. - Corr...
Preview 1 out of 4 pages
Add to cart8.2 define non-coding base sequences and describe where the non coding multiple repeats are positioned in the genome. - Correct answer-- DNA that does not code for protein - positioned between genes 4.1 use figure 5 to explain how human mass at birth is affected by stabilising selection. - Corr...
1.1 Describe the induced fit model of enzyme action and how an enzyme acts as a catalyst. - Correct answer-- The substrate binds to the active site and forms an ES complex. - The active site changes shape slightly so it's complimentary to the substrate. - This reduces the activation energy. 1....
Preview 2 out of 5 pages
Add to cart1.1 Describe the induced fit model of enzyme action and how an enzyme acts as a catalyst. - Correct answer-- The substrate binds to the active site and forms an ES complex. - The active site changes shape slightly so it's complimentary to the substrate. - This reduces the activation energy. 1....
1x sold
Describe the role of a ribosome in the production of a polypeptide. /3 - Correct answer1. mRNA binds to ribosome; 2. Idea of TWO codons/binding sites; 3. tRNA with ANTICODONS binds; 4. (Catalyses) formation of PEPTIDE bond between AMINO ACIDS (held by tRNA molecules); 5. Moves along (mRNA to th...
Preview 2 out of 8 pages
Add to cartDescribe the role of a ribosome in the production of a polypeptide. /3 - Correct answer1. mRNA binds to ribosome; 2. Idea of TWO codons/binding sites; 3. tRNA with ANTICODONS binds; 4. (Catalyses) formation of PEPTIDE bond between AMINO ACIDS (held by tRNA molecules); 5. Moves along (mRNA to th...
• The human cell then makes a complementary strand to the HIV DNA. The complementary strand is made in the same way as a new complementary strand is made during semi-conservative replication of human DNA. Describe how the complementary strand of HIV DNA is made. - Correct answer-- there are co...
Preview 1 out of 3 pages
Add to cart• The human cell then makes a complementary strand to the HIV DNA. The complementary strand is made in the same way as a new complementary strand is made during semi-conservative replication of human DNA. Describe how the complementary strand of HIV DNA is made. - Correct answer-- there are co...
Give the 2 types of molecule from which a ribosome is made (2) - Correct answer-1. ribosomal Proteins 2. ribosomal RNA Describe the role of a ribosome in the production of a polypeptide. Do not include transcription in your answer (3) - Correct answer-1. mRNA binds to ribosome 2. allows tRNA wi...
Preview 1 out of 3 pages
Add to cartGive the 2 types of molecule from which a ribosome is made (2) - Correct answer-1. ribosomal Proteins 2. ribosomal RNA Describe the role of a ribosome in the production of a polypeptide. Do not include transcription in your answer (3) - Correct answer-1. mRNA binds to ribosome 2. allows tRNA wi...
large molecules often contain carbon. why? - Correct answer-they can readily form bonds with other carbon atoms. this forms a 'backbone'. other atoms can then attach. describe benedicts test for reducing sugars - Correct answer-add equal volumes of the sugar sample and benedicts reagent. heat ...
Preview 2 out of 15 pages
Add to cartlarge molecules often contain carbon. why? - Correct answer-they can readily form bonds with other carbon atoms. this forms a 'backbone'. other atoms can then attach. describe benedicts test for reducing sugars - Correct answer-add equal volumes of the sugar sample and benedicts reagent. heat ...
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Stuvia is a marketplace, so you are not buying this document from us, but from seller professoraxel. Stuvia facilitates payment to the seller.
No, you only buy these notes for $21.99. You're not tied to anything after your purchase.
4.6 stars on Google & Trustpilot (+1000 reviews)
79650 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now