Past Papers
Q2: AS & A Level Biology - 9700 Paper 1 2020 Summer Zone 1
1
0
Share
Questions: 2/40
Topic: CH2 - BIOLOGICAL MOLECULES
Solution

Solution is A

PRACTISE
Similar Questions
LEARN
Concepts with Sparky
Close Icon

More Questions from this Topic

MCQ
CH2 - BIOLOGICAL MOLECULES
Which statement about triglycerides is correct?
2024 Spring
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Two solutions, 1 and 2, each contained a mix of two different biological molecules. One solution contained starch and sucrose, and the other contained...
2024 Winter
5
MCQ
CH2 - BIOLOGICAL MOLECULES
The diagrams show parts of three pairs of amino acids within a protein. The pairs are labelled X, Y and Z. Which row shows the correct type of intera...
2024 Winter
5
MCQ
CH2 - BIOLOGICAL MOLECULES
Which row correctly identifies the weak and strong bonds in the tertiary and quaternary structure of a typical protein? [Table_1]
2024 Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
The diagram shows the structure of part of a peptidoglycan molecule. Which type of 1,4 linkage and how many peptide bonds are shown in this part of ...
2024 Spring
4
MCQ
CH2 - BIOLOGICAL MOLECULES
Which row correctly describes haemoglobin? [Table_1]
2024 Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Which row is correct for the structures present in typical plant cells and typical animal cells?[Table_1]
2024 Summer
4
MCQ
CH2 - BIOLOGICAL MOLECULES
Which row is correct for cellulose? [Table_1: rotation of alternate monomers by 180° shape of molecule hydrogen bonds between molecules]
2024 Summer
5
MCQ
CH2 - BIOLOGICAL MOLECULES
What is the maximum number of hydrogen bonds that can form between a single water molecule and other water molecules?
2024 Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Which statements about peptide bond formation are correct?1. The bond formation occurs between a carbon of one amino acid and a nitrogen of the next a...
2024 Summer
3

More Questions from year 2020

Theory
CH7 - TRANSPORT IN PLANTS
(a) The structure of a phloem sieve tube element is adapted to its function.Each of explanations A to F describes how a particular structural feature ...
2020 Spring
3
Theory
CH3 - ENZYMES
Phosphatidate phosphatase (PAP) enzymes have an important role in lipid metabolism.The reaction catalysed by PAP is shown in Fig. 2.1.Experiments were...
2020 Spring
3
Theory
CH8 - TRANSPORT IN MAMMALS
During one cardiac cycle:blood enters the heart from the lungs and from the rest of the bodyblood leaves the heart to be transported to the lungs and ...
2020 Spring
2
Theory
CH9 - GAS EXCHANGE AND SMOKING
(a) When a section of lung tissue is viewed using a light microscope, it is possible to identify the trachea, the bronchus, the bronchioles and the al...
2020 Spring
3
Theory
CH11 - IMMUNITY
Myasthenia gravis and HIV/AIDS both involve disorders of the immune system.(a) Outline why myasthenia gravis is described as a disorder of the immune ...
2020 Spring
3
Theory
CH1 - CELL STRUCTURE
Fig. 6.1 is a transmission electron micrograph of a plant parenchyma cell.(a) The external environment of the parenchyma cell has a higher water poten...
2020 Spring
3
Theory
CH14 - HOMEOSTASIS
(a) Fig. 1.1 represents part of the wall of a proximal convoluted tubule (pct) in a kidney nephron.[Image_1: Fig. 1.1](i) Name the features of the wal...
2020 Spring
1
Theory
CH11 - IMMUNITY
Severe combined immunodeficiency (SCID) is a group of life-threatening diseases. SCID is caused by mutations that prevent the normal function of the i...
2020 Spring
2
Theory
CH16 - INHERITED CHANGE
Flowers of the common morning-glory plant, Ipomoea purpurea, can have several different phenotypes. An example of these flowers is shown in Fig. 3.1.[...
2020 Spring
2
Theory
CH16 - INHERITED CHANGE
The rainbow trout, Oncorhynchus mykiss, is a fish that is bred in commercial fish farms. Rainbow trout that have a blue-silver colour are sold at a hi...
2020 Spring
1