Docsity
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Docsity AI
Docsity AI
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search for your university

Find the specific documents for your university's exams

Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

Biology notes on cells, Study notes of Biology

Biology

Biology notes on cell fundamental unit of life.

Typology: Study notes

2023/2024

Uploaded on 10/15/2023

janhavi-vanjari
janhavi-vanjari 🇧🇪

1 document

1 / 5

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
Title
:
The
Fundamental
unit
of
life
->
cell
as
the
basic
unit
of
life
.
->
cell
is
the
fundamental
unit
of
life
.
->
All
living
Organisms
are
composed
of
cells
-
->
Cells
are
the
smallest
structural
and
functional
units
of
life
.
->
Discovery
of
the
cells
:
->
Robert
Hooke
First
observed
and
named
"cells"
while
studying
cork
under
a
microscope
.
->
Anton
Van
Leeuwenhoek
observed
microorganisms
through
a
simple
microscope
.
->
Types
of
cells
.
cells
--
I
prokaryotic
Eukaryotic
pf3
pf4
pf5

Partial preview of the text

Download Biology notes on cells and more Study notes Biology in PDF only on Docsity!

Title :^ The^ Fundamental^ unit^ of^ life

-> cell as the basic unit of life.

-> cell is the fundamental unit of life.

-> (^) All living Organisms^ are (^) composed of^ cells-

-> Cells are the smallest structural and functional units of life.

-> Discovery of (^) the cells :

-> Robert Hooke First observed and named "cells" while

studying cork under a (^) microscope. -> Anton^ Van Leeuwenhoek (^) observed (^) microorganisms through a simple (^) microscope. -> Types of (^) cells. cells -- I prokaryotic Eukaryotic

-> (^) cells are broadly classified into two^ types. D (^) prokaryotic cells ⑫ (^) Eukaryotic cells^. -> Gokaryotic cells -> Eukaryotic

cells

(^1) They are simpler in^ structure^1. They are^ more^ complex and compared to eukaryotic cells. structurally organized .

They lack a (^) true, membrane-bound (^) 2) They

have a well-defined ,

nucleus. Instead their^ genetic membrane-bound nucleus that contains material is found (^) in a region called the genetic

material (DNA)-

the nucleoid.

prokaryotic cells (^) are ly

  1. (^) They are generally larger and smaller (^) in sizes .
  • pically

I

more compartmentalized,^ containing various membrane-bound^ organelles.

They are found^ in (^) domains (^) 4) They

are found^ in^ multicellular

Bacteria (^) and Archae- organisms

and in some

single- celled organisms . 5 E. g: E.^ coli^ and^ Cyanobacteria 5) E. g: Animals^ , (^) plants , (^) fungi and I profists .

-> plasma Membrane : -> (^) Also called as cell (^) membrane. -> (^) It is composed of a (^) lipid (^) bilayer that^ controls^ the^ movement^ of substances (^) in and out^ of the cell.

-> cell wall (In

plant cells)^ : -> Rigid outer layer providing structural support

-> (^) Made of Cellulose in (^) plant cells. -> comparison of plants^ and Animals (^) cells : plant cells^ Animal (^) Cells plant cells^ have^ cell^ walls^ ,^ Animal^ cells^ lack^ these^ features chloroplasts for photosynthesis , but may have small, (^) temporary large central vacuoles vacuoles^. Microorganisms : -> single-celled (^) organisms like^ bacteria^ and^ protists are^ composed of a single cell. -> They carry out^ all^ life processes within (^) a (^) single cell. -> (^) cell (^) Division -> (^) The process (^) by which^ cells^ reproduce .

-> Mitosis : Growth and

Repair,

-> Meiosis : For

formation of^ gametes^ (sex^ cells)^

-> cell Diversity and specialization : -> (^) cells in (^) multicellular Organisms are (^) specialized for different function^ . E.

g,^

Muscle cells , nerve cells , blood cells.

-> This^ specialization is called as cell (^) differentiation. -> Importance (^) of the cells : -> Understanding cells is fundamental to understanding life processes

and diseases.

-> (^) cellular studies (^) are crucial in fields like (^) genetics , biotechnology aud (^) medicine. -> (^) cells (^) as the functional

units :

-> (^) cells perform various^ functions^ such (^) as (^) respiration, (^) digestion , and Synthesis (^) of proteins and^ enzymes. -> Emerging Trends :

-> Advances in cell

biology ,^ genetic^ engineering , research (^) are (^) constantly expanding our understandin (^) and Stem ce^ their potential applications

-> (^) This chapter serves^ as the^ foundation for understanding

the structure I

function of (^) living Organisms .

  • The (^) End -x - (^) x - (^) x - x-x-