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WorksheetsAQA AS Biology Retrieval test (ch1,5 and 8)
Total questions: 25
Worksheet time: 15mins
Name the type of biological molecule represented by A
Protein
Glycoprotein
Polypeptide
Polysaccharide
Name the type of covalent bond labelled B.
Glycosidic
Peptide
Ester
Hydrogen
Disulphide
Name the region labelled D
variable region
constant region
light chain
heavy chain
This diagram shows the structure of HIV virus. What is the name of the enzyme unique to this virus?
RNA polymerase
DNA polymerase
Retroviral transcriptase
reverse transcriptase
Which of the following options is a primary defence mechanism against pathogens?
neutralisation
agglutination
phagocytosis
blood clotting
the diagram shows the structure of HIV. what is structure 7 made of?
Protein
carbohydrates
lipid
glycoprotein
An individual bitten by a rabid dog can be treated by an injection of human rabies antibodies. Which option describes the type of immunity provided by this treatment?
natural passive
natural active
artificial passive
artificial active
which of these cells is NOT involved in the primary immune response
T memory cells
T helper cells
T killer cells
plasma cells
the diagram shows the structure of isomaltulose, a disaccharide formed between alpha-glucose and fructose. Name the bond that holds the alpha glucose and fructose together.
glycosidic
peptide
phosphodiester
Ester
which of the following statements about the nature of the genetic code is incorrect?
it is a degenerate code
it is a triplet code
it is overlapping
it is universal
A group pf students have been given a 1% solution of an unknown digestive enzyme. They were also given 3tubes containing identical mixture of foods. The students carried out different biochemical tests, the results are shown in the table. Name the type of enzyme used.
protease
carbohydrase
lipase
cellulase
The diagram shows the structure of a biological molecule. which of the options below describes this molecule?
hexose monosaccharide glucose
hexose monosaccharide ribose
pentose monosaccharide glucose
pentose monosaccharide ribose
which of the following could be the product of breaking a peptide bond during an hydrolysis reaction?
A
B
C
D
What process is happening in the diagram?
transcription
translation
dna replication
mitosis
