who is credited with first observing cells?\nrobert hooke\nanton van leeuwenhoek\nrobert koch\nlouis…

who is credited with first observing cells?\nrobert hooke\nanton van leeuwenhoek\nrobert koch\nlouis pasteur\ncarolus linnaeus\nquestion 43 (1 point)\nthe main structural component of bacterial cell walls is:\npeptidoglycan\nchitin\ncellulose\nphospholipids
Answer
Brief Explanations:
Robert Hooke is credited with first observing cells. He used a microscope to look at a thin slice of cork and coined the term "cells". The main structural component of bacterial cell - walls is peptidoglycan. Chitin is in fungal cell - walls, cellulose in plant cell - walls, and phospholipids are in cell membranes.
Answer:
- A. Robert Hooke
- A. Peptidoglycan