Question:Determine if the statement is true or false if false replace the words in bold with the correct words. Please tell me if true or false 1.cells are the building blocks of life on earth 2.A group of cells is called an organ
3.prokaryotic cells have a nucleus
4. Blood cells have a rigid cell wall

1. True

Proteins are frequently called the building blocks of life because they are found everywhere: in our cells, bones, muscles, blood, hormones, enzymes and more. It is thanks to proteins that our body has any sort of structure to it.

2.False

Tissues are groups of similar cells that have a common function. An organ is a structure that is composed of at least two or more tissue types and performs a specific set of functions for the body. Many organs working together to accomplish a common purpose is called an organ system.

3. False

Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.

4.  False

False, blood cells don't have a rigid cell wall. Plants and Bacteria have rigid cell walls, but not blood cells!

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