A prokaryotic cell is primitive in organisation. It has an undefined nuclear region called nucleoid (nuclear membrane is absent) and membrane bound cell organelles are also absent. Show More | ShareSave Class 9BIOLOGYCELL-THE FUNDAMENTAL UNIT OF LIFE Topper's Solved these Questions CELL-THE FUNDA...
almost all prokaryotic cells have them, and they are chemically distinct from those of eukaryotes. The walls give the organism stability, protection and its overall shape. The walls of bacteria consist of substances called peptidoglycans. Some prokaryotes have an outer capsule outside the cell wall...
What are the two cell structures involved in protein synthesis? Which best describes the first organisms on Earth: a. simple prokaryotes b. multicellular prokaryotes c. simple eukaryotes d. archaea with simple DNA What are the three parts of an RNA nucleotide? How does chromatin interact with ot...
Watch complete video answer for “What is a mesosome in aprokaryotic cell? Mention the function” of Biology Class 11th. Get FREE solutions to all questions from chapter CELL FUNDAMENTAL UNIT OF LIFE.
Cells With & Without a Nucleus | Types & Structure from Chapter 8 / Lesson 29 75K Learn about cells and the cell nucleus in the body of a living organism. Understand the classification of cells as prokaryotic cells (cells that lack a nucleus) and eukaryotic cells (cells that contain ...
Many researchers today believe that the first cells or unicellularprokaryoticorganisms did not arise from any precursor cell. They were formed from a biological force still unknown to the human race today. Though highly disputed, this theory still violates the cell theory. Mitochondria and chloroplasts...
Every normal human cell comprises 23 pairs of chromosomes that mean a total of 46 chromosomes. A trait is any gene-determined characteristic. It is often determined by more than one gene. Whereas, some traits are also caused by mutated genes that are inherited or that are ...
What is the function of ribosomes in a cell? Explain. Describe the structure of prokaryotic cells (prokaryotes). A protein produced by a particular cell is made and secreted into the cell's environment. What best describes the journey of that protein? Name two proteins ...
Not present in all bacteria, this cell covering enables cells that possess it to resist the defenses of host organisms. What is this cell covering called? A) Cell wall. B) Capsule. C) Endospore. D) Flagellum. E) Sex pilus. Which of the following describes the...
All of the following describes organisms in the domains Bacteria and or Archaea except: O Cell wall O Single-celled O Prokaryotic O Multicellular Single-celled prokaryotes: A) are classified in the domains Bacteria and Archaea. B) are found in almost all parts of the earth. C) All of the...