The answer is A. macromolecules
There are 4 types of macromolecules; lipids, proteins, carbs and nucleic acids
It is only active at a pH of around 2 because that is around the same pH as the gastric juices in the stomach which is where pepsin is used to break down proteins.
Marsupials are pest put some are not but some of them are mammals and some of them are not. I guessed it should be either way .
Homozygous is the condition that the offsprings would have, if both their parents contribute identical versions of a gene.
<h3>What is the difference between homozygous and heterozygous ?</h3>
- Homozygous and heterozygous are terms that are used to describe allele pairs.
- Individuals carrying two identical alleles (RR or rr) are known as homozygous.
- Individual organisms bearing different alleles (Rr) are known as heterozygous.
- Homozygous produce only one type of gamete whereas heterozygous produce two types of gametes.
To know more about homozygous trait refer :
brainly.com/question/11602235
#SPJ2
