Top answers

Biology
A Level

Name the order of taxon classifications starting with domain and a key feature of each of the domains.

Domain-> Kingdom-> Phylum-> Class-> Order-> Family-> Genus-> Species

Bacteria- No membrane-bound organelles

Archaea- A cell wall lacking peptidoglycans

Eukarya- C...

BR
Answered by Bethan R. Biology tutor
2262 Views

What is the role of neurotransmitters at synpatic junctions?

Firstly, it is important to understand what a synaptic junction is and its purpose. A synaptic junction is a type of gap junction between the pre-synaptic and post-synaptic membran...

KD
Answered by Karin D. Biology tutor
2292 Views

Outline the process of DNA replication.

For organisms to grow and repair cells are constantly replicating, and therefore the DNA within cells is also constantly replicating. The process begins with the enzyme DNA helicase break...

LH
Answered by Leo H. Biology tutor
13889 Views

Why can enzymes only catalyse one specific reaction?

Because enzymes have a specific tertiary structure which defines the 3D shape of the active site. This means that only a substrate with a complimentary shape to the active site can bind to it and form an ...

JM
Answered by Jasmine M. Biology tutor
6233 Views

Explain the difference in the rates of reaction at 60 °C and 37 °C between 20 and 40 minutes.

"A technician investigated the effect of temperature on the rate of an enzyme-controlled reaction. At each temperature, he started the reaction using the same concentration of substrate. Explain the ...

EC
Answered by Ellie C. Biology tutor
9136 Views

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