Which part of DNA is translated into protein?
Anonymous Quiz
18%
Introns and exons both
12%
Introns only
27%
Exons (after splicing)
43%
Mitochondrial DNA
π1
What is the region around a magnet where magnetic force acts called?
Anonymous Quiz
4%
Electric field
29%
Gravitational field
67%
Magnetic field
0%
Radiation field
What type of symbiosis is the relationship between sharks and pilot fish?
Anonymous Quiz
11%
Parasitism
39%
Mutualism
30%
Commensalism
20%
Predation
Media is too big
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What does Faraday's first law of electrolysis state?
Anonymous Quiz
7%
Current is proportional to voltage
77%
The mass deposited is proportional to the electric charge passed
10%
Resistance is inversely proportional to temperature
6%
EMF is proportional to the magnetic field
Which plant structure absorbs water and minerals from the soil?
Anonymous Quiz
4%
Leaves
4%
Stem
92%
Roots (root hairs)
0%
Flowers
β€1
What is surface tension?
Anonymous Quiz
6%
Internal pressure of a gas
85%
The force that tends to minimise the surface area of a liquid
3%
Viscosity of a fluid
7%
Friction between fluid layers
Which bond forms between amino acids in a protein?
Anonymous Quiz
11%
Ionic bond
78%
Covalent (peptide) bond
9%
Hydrogen bond
3%
Van der Waals bond
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Which organ produces red blood cells in adults?
Anonymous Quiz
14%
Liver
9%
Thymus
70%
Red bone marrow
7%
Spleen
β€2
What are planetary rings composed of?
Anonymous Quiz
21%
An asteroid belt around Saturn
64%
Discs of ice and dust orbiting a planet
7%
A nebula around a star
7%
A system of close moons
What is DNA transcription?
Anonymous Quiz
24%
DNA duplication before mitosis
61%
Synthesis of RNA from the DNA template
11%
Protein synthesis from mRNA
4%
Repair of damaged DNA strands
β€1
Which law describes the gravitational force between two masses?
Anonymous Quiz
13%
Coulomb's law
2%
Hooke's law
83%
Newton's law of universal gravitation
2%
Gauss's law