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Biology
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If a car is travelling for 30 minutes at 40 miles per hour, how far will it travel in this time?

20 miles

LW
Answered by Lily W. Biology tutor
3711 Views

What techniques were employed in the 'Calvin Experiment' to elucidate the carboxylation of RuBP (IB-HL 8.3)?

Calvin carried out ‘feeding experiments’ where radioactive labelled carbon was fed to plants. 14CO2 is taken up the cells and is then fixed into photosynthesis. 14CO2...

AK
Answered by Adam K. Biology tutor
2983 Views

Describe the structure of the DNA of a eukaryotic cell

DNA is a double stranded helix. Each strand is held together by complementary base pairs or nucleotides. A nucleotide consists of a base, a deoxyribose sugar and a phosphate. The bases are A, T, C and G. ...

AE
Answered by Annie E. Biology tutor
4408 Views

Give 2 methods of transmission of disease and an example for each

Transmission is the way in which a disease is spread. Transmission of disease can occur in multiple ways. Two methods of this are:1)- vector transmission 2)- waterAn example of vector transmission is tube...

JS
Answered by Judith S. Biology tutor
2446 Views

Explain how skeletal muscle contracts.

Muscle fibers are comprised of elongated myofibrils. A myofibril is made of repeating chains of sarcomeres which have no nucleus but have myosin and actin filaments which are able to slide past each other...

DR
Answered by Daniel R. Biology tutor
1758 Views

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