Top answers


How is DNA transcribed into mRNA?

The gene to be transcribed s unwound and unzipped using the enzyme DNA helicase which breaks the hydrogen bonds between complementary bases. Activated RNA nucleotides then bind to the exposed complementry ba...
SJ
Answered by Shivali J. Biology tutor
8283 Views

What factors affect the rate of photosynthesis in plants?

Three main factors affect the rate of photosynthesis: Light intensity: Increasing light intensity will increase the rate of photosynthesis, until the maximum amount of light is being absorbed. The main photo...
BH
Answered by Brennen H. Biology tutor
32097 Views

What is the difference between DNA and RNA

DNA or DeoxyriboNucleic Acid, is a nucleic acid made of two polynulcleotide strands (double stranded). These polynucleotide strands consist of a phosphate group, five-carbon sugar (stable 2-deoxyribose) and ...
RD
Answered by Robyn D. Biology tutor
3943 Views

How are enzymes inhibited?

There are two types of enzyme inhibition: competitive and non-competitive. Competitive inhibition: This occurs when an enzyme's active site is filled by an inhibitor. The inhibitor will have a complementary ...
BM
Answered by Beth M. Biology tutor
6067 Views

What is the sliding filament theory?

At a neuromuscular junction , an impulse arrives, causing Ca 2+ to be released from the sarcoplasmic reticulum of your muscle cell (a system of membrane bound organelles around myofibril). 1. Ca 2+ diffuses ...
AL
Answered by Andie L. Biology tutor
7524 Views