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Questions: Sickle-cell anaemia is an inherited condition caued by a dominant allele. Sickle cell anaemia is a disorder of the blood caused by an inherited abnormal haemoglobin the abnormal haemoglobin causes...
MS
Answered by Mark S. • Biology tutor
4289 Views

Describe the components of the fluid mosaic model (6).

The fluid mosaic model describes the typical plasma membrane as a phospolipid bilayer (1), composed of phosphates with fatty acid tails, which face each other inwardly. Within the phospholipid bilayer are di...
GC
Answered by Gregor C. • Biology tutor
14693 Views

1. Polydactyly is caused by a dominant allele, D. The recessive allele of the gene is represented by d. Use one genetic diagram to show the inheritance of the polydactyly gene by R and S.

P generation Father (P) Mother(Q) Phenotype Polydactyly Normal Genotype Dd dd Gamete D d d d Fertilization Punnett Square for F1 generation F/M d d D Dd Dd d dd dd Phenotypic ratio: 1:1 Affected: Unaffected ...
SC
Answered by Suman C. • Biology tutor
10894 Views

What causes a heart attack (also known as mycocardial infarction) and how are they treated?

During an individuals life arteries become covered in fatty plaque deposits. This causes the the inside (lumen) of the arteries to narrow. This narrowing increases the likelyhood of blockage of platelets and...
SC
Answered by Saskia C. • Biology tutor
3933 Views

Describe the process of protein transport via vesicles in eukaryotes

Proteins are synthesised in the ribosomes from mRNA and tRNA nucleotides. Proteins enter the rough ER and are bound to vesicles here. The vesicles detach from the rough ER and transport the proteins to the G...
DS
Answered by Devina S. • Biology tutor
2625 Views