Describe the molecular structure of starch.

There are 2 types; amylose and amylopectin which are both made of alpha glucose and are tightly coiled. while amylopectin has branches and 2 bonds, 1-4 and 1-6 glycosidic bonds, amylose only has 1-4 glycosidic bonds.

Related Biology A Level answers

All answers ▸

What is the difference between the genotype and the phenotype?


7 Albinism is a genetic trait resulting from the inheritance of recessive alleles. (a) (i) Distinguish between the terms allele and gene. (ii) Explain the meaning of the term recessive allele.


Describe the cardiac cycle, referring to the valves of the heart.


Explain how polymerase chain reaction is used in DNA fingerprinting