Top answers

Biology
A Level

Genetics: How does our genotype influence our phenotype?

The human genome consists of 46 chromosomes, specifically 44 autosomal chromosomes, similar in both males and females, and 2 gender specific sex chromosomes (X and Y). It has been known for many years,...

PV
Answered by Phoebe V. Biology tutor
4266 Views

What is the difference between the humoral and cell-mediated immune repsonses?

The humoral repsonse removes the pathogenic microorganisms which don't enter the cells and requires antibodies produced by B lymphocyctes. Different B lymphocyte cells produce different antibodies, eac...

LC
Answered by Lily C. Biology tutor
38701 Views

When do mutations not cause a change in amino acid sequence?

The genetic code is degenerate- this means that amino acids can be coded for in more than one way. In an mRNA sequence coding for a protein, each amino acid in the protein is encoded b...

EP
Answered by Ellen P. Biology tutor
6008 Views

What is DNA replication and how does the cell cycle regulate cell division?

DNA replication is the production of two identical DNA strands from one original DNA molecule and is a nearly error-free process that occurs in all living organisms. This is because, in order for a cel...

AA
Answered by Azeem A. Biology tutor
10915 Views

What is the difference between interspecific competition and intraspecific competition?

Define competition: competition is an interaction between organisms where one organism has a negative effect on the fitness of the other organism

Define interspecific competitio...

ZG
Answered by Zoe G. Biology tutor
29008 Views

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