Questions

In the given machings, Victoria falls is not in Australia. It is in South Africa between Zambia and Zimbabwe on the zambezi river.

Lysosome is found in nearly all types of eukaryotic cells (cells with a clearly defined nucleus) and is responsible for the digestion of macromolecules, old cell parts, and microorganisms. Each lysosome is surrounded by a membrane that maintains an acidic environment within the interior via a proton pump. Lysosomes contain a wide variety of hydrolytic enzymes (acid hydrolases) that break down macromolecules such as nucleic acids, proteins, and polysaccharides. So, they are known as storehouse of digestive enzymes.

Steroid hormones exert their action by entering the nucleus of a cell and initiating or altering the expression of a gene.

The error is in third part. “unease” is wrong expression because it is in noun form. Correct usage will be “with growing “uneasiness”, which is an adjective qualifying wait. Which means as time passed while I waited, I grew more and more uneasy.