Top answers

Describe the relationship between Arbuscular Myccorhyzal fungi and plants

Arbuscular Myccorhyzal fungi (AMF) are fungi which grow onto the roots of plants. In exchange for some carbon from the plant, the fungi act as an extension to the root space available to the plant. This prov...
JG
Answered by Jack G. • Biology tutor
2838 Views

Explain diffusion?

This is the net passive movement of molecules down the concentration gradient from an area of high concentration to an area of low er concentration, through a partially permeable membrane.
JN
Answered by Jack N. • Biology tutor
3062 Views

Explain multiple alleles with respect to ABO blood group in humans

An allele is a variant or alternate form of gene which are found on same gene loci. Humans are diploid organisms having two alleles for a given gene. However in nature more than two variants are possible. On...
HK
Answered by Hamsika K. • Biology tutor
10820 Views

What is the Bohr effect and how does it affect oxygen unloading?

The Bohr effect describes the change in affinity for oxygen haemoglobin has as a result of an increased partial pressure of CO2. It occurs due to the reaction between CO2 and H20, catalysed by carbonic anhyd...
TM
Answered by Tom M. • Biology tutor
15958 Views

What enzymes are used in the process of DNA replication and what are they used for?

The two enzymes used in DNA replication are DNA helicase and DNA polymerase.The DNA helicase is used to break the hydrogen bonds between the two DNA strands so that the strands can unzip. After free nucleoti...
SG
Answered by Seraphima G. • Biology tutor
3864 Views